WorldWideScience

Sample records for biochem biophys res

  1. Applications of the BIOPHYS Algorithm for Physically-Based Retrieval of Biophysical, Structural and Forest Disturbance Information

    Science.gov (United States)

    Peddle, Derek R.; Huemmrich, K. Fred; Hall, Forrest G.; Masek, Jeffrey G.; Soenen, Scott A.; Jackson, Chris D.

    2011-01-01

    Canopy reflectance model inversion using look-up table approaches provides powerful and flexible options for deriving improved forest biophysical structural information (BSI) compared with traditional statistical empirical methods. The BIOPHYS algorithm is an improved, physically-based inversion approach for deriving BSI for independent use and validation and for monitoring, inventory and quantifying forest disturbance as well as input to ecosystem, climate and carbon models. Based on the multiple-forward mode (MFM) inversion approach, BIOPHYS results were summarized from different studies (Minnesota/NASA COVER; Virginia/LEDAPS; Saskatchewan/BOREAS), sensors (airborne MMR; Landsat; MODIS) and models (GeoSail; GOMS). Applications output included forest density, height, crown dimension, branch and green leaf area, canopy cover, disturbance estimates based on multi-temporal chronosequences, and structural change following recovery from forest fires over the last century. Good correspondences with validation field data were obtained. Integrated analyses of multiple solar and view angle imagery further improved retrievals compared with single pass data. Quantifying ecosystem dynamics such as the area and percent of forest disturbance, early regrowth and succession provide essential inputs to process-driven models of carbon flux. BIOPHYS is well suited for large-area, multi-temporal applications involving multiple image sets and mosaics for assessing vegetation disturbance and quantifying biophysical structural dynamics and change. It is also suitable for integration with forest inventory, monitoring, updating, and other programs.

  2. Physically-based Canopy Reflectance Model Inversion of Vegetation Biophysical-Structural Information from Terra-MODIS Imagery in Boreal and Mountainous Terrain for Ecosystem, Climate and Carbon Models using the BIOPHYS-MFM Algorithm

    Science.gov (United States)

    Peddle, D. R.; Hall, F.

    2009-12-01

    The BIOPHYS algorithm provides innovative and flexible methods for the inversion of canopy reflectance models (CRM) to derive essential biophysical structural information (BSI) for quantifying vegetation state and disturbance, and for input to ecosystem, climate and carbon models. Based on spectral, angular, temporal and scene geometry inputs that can be provided or automatically derived, the BIOPHYS Multiple-Forward Mode (MFM) approach generates look-up tables (LUTs) that comprise reflectance data, structural inputs over specified or computed ranges, and the associated CRM output from forward mode runs. Image pixel and model LUT spectral values are then matched. The corresponding BSI retrieved from the LUT matches is output as the BSI results. BIOPHYS-MFM has been extensively used with agencies in Canada and the USA over the past decade (Peddle et al 2000-09; Soenen et al 2005-09; Gamon et al 2004; Cihlar et al 2003), such as CCRS, CFS, AICWR, NASA LEDAPS, BOREAS and MODIS Science Teams, and for the North American Carbon Program. The algorithm generates BSI products such as land cover, biomass, stand volume, stem density, height, crown closure, leaf area index (LAI) and branch area, crown dimension, productivity, topographic correction, structural change from harvest, forest fires and mountain pine beetle damage, and water / hydrology applications. BIOPHYS-MFM has been applied in different locations in Canada (six provinces from Newfoundland to British Columbia) and USA (NASA COVER, MODIS and LEDAPS sites) using 7 different CRM models and a variety of imagery (e.g. MODIS, Landsat, SPOT, IKONOS, airborne MSV, MMR, casi, Probe-1, AISA). In this paper we summarise the BIOPHYS-MFM algorithm and results from Terra-MODIS imagery from MODIS validation sites at Kananaskis Alberta in the Canadian Rocky Mountains, and from the Boreal Ecosystem Atmosphere Study (BOREAS) in Saskatchewan Canada. At the montane Rocky Mountain site, BIOPHYS-MFM density estimates were within ¬

  3. In medias res

    DEFF Research Database (Denmark)

    Foote, Jonathan

    2017-01-01

    nor does he begin the Trojan War ab ovo (with the egg) but always he hurries to the action and snatches the listener in medias res (into the middle of things) ¬† ¬† ¬†Horace, Ars Poetica 145‚Äď147 Good epic poets do not commence their tale from the beginning‚ÄĒab ovo (with the egg)‚ÄĒas Horace states, but...

  4. L√Ķhe Res Publicas / Eve Heinla

    Index Scriptorium Estoniae

    Heinla, Eve, 1966-

    2005-01-01

    Tallinna linnapea T√Ķnis Palts on vastu Tallinna volikogu Res Publica fraktsiooni esimehe Toomas Tautsi abikaasa Kristina Tautsi t√∂√∂leasumisele L√§√§ne-Tallinna keskhaigla haldusjuhina. T. Paltsi kirjast Res Publica Tallinna piirkonna juhatusele. Lisa: Kuidas lahvatas pealinna v√Ķimut√ľli. Kommenteerivad: Maret Maripuu, T√Ķnis Palts, Vladimir Maslov

  5. Res Publica aps / Erkki Bahovski

    Index Scriptorium Estoniae

    Bahovski, Erkki, 1970-

    2003-01-01

    Autori s√Ķnul tekitavad t√§navatel √ľlesseatud postrid, kus peaminister Juhan Parts kutsub √ľles √ľtlema "jah" Euroopa Liidule, kummastust, sest ehkki on tegemist Res Publica kampaaniaga, on tavainimesel raske vahet teha valitsuse justkui neutraalse referendumikampaania ja Res Publica "jah"-kampaania vahel

  6. A European Res publica

    Directory of Open Access Journals (Sweden)

    Ola Zetterquist

    2011-05-01

    Full Text Available The article analyses the fundamental constitutional enigma of the European Union (EU, namely whether the EU can be considered as a (from its Member States separate and independent constitutional legal order. The EU is often referred to as a legal order sui generis, i.e. of a unique character that defies traditional definitions. More specifically, the notion of an independent and separate EU is at odds with the idea of the sovereign state. The notion of the EU as a legal order sui generis is too much influenced by the models of the sovereign state and sovereignty (in the vein of Thomas Hobbes. The key component in the Hobbesian idea of sovereignty is freedom as non-interference. A sovereign state is consequently a state that is free from, i.e. not interfered with by, external actors like, for example, the EU. Put differently, either the EU is sovereign or the Member States are sovereign. By shifting the perspective to a neo-Roman republican understanding of freedom as non-domination the constitutional picture of the EU will become more nuanced. Res publica is best understood as what citizens hold in common and above their narrow self-interest. According to a republican notion of the constitution the purpose of the law is to eliminate the possibility of arbitrary domination. For that reason, not all interference is to be considered as a restriction of freedom but only those restrictions that cannot be justified according to the res publica. Viewed through the republican prism it can be argued that the EU represents an important advancement in securing freedom as non-domination without implying that the EU must become a state. The fundamental enigma can thus be rephrased as a clash between two diverging concepts of freedom. Whereas the EU will always be at odds with the idea of sovereignty (however framed it will be much easier to reconcile with the republican ideal. DOWNLOAD THIS PAPER FROM SSRN: http://ssrn.com/abstract=1837332

  7. Res Publica objedinjajetsja s Sojuzom Otetshestva

    Index Scriptorium Estoniae

    2006-01-01

    Res Publica ja Isamaaliidu liitumisel tekib uus erakond - Eesti Eest!. Ida-Viru Isamaaliidu ja Res Publica esimeeste Hans Pindre, Vladislav Ponjatovski ning Narva Res Publica endise liidri Nikolai Golubevi arvamused

  8. Res Publica v respublike / Roman Gornev

    Index Scriptorium Estoniae

    Gornev, Roman

    2002-01-01

    Järg 29. november nr. 48 lk. 7. Res Publica - uue poliitika partei. Res Publica Ida-Virumaal, partei juhtfiguurid, Res Publica Kohtla-Järvel. Koalitsioonileping Keskerakonnaga viis konfliktini partei juhtkonnaga. Kohtla-Järve Res Publica kohaliku organisatsiooni konflikti partei juhtkonnaga kommenteerib Hants Hint

  9. Res Publica kogub uut hoogu / Andres Jalak

    Index Scriptorium Estoniae

    Jalak, Andres, 1953-

    2005-01-01

    Kommenteerides Res Publica senise esimehe ja endise peaministri Juhan Partsi ning uueks esimeheks valitud Taavi Veskim√§e k√Ķnet Res Publica √ľldkogul, v√§ljendab Res Publica fraktsiooni aseesimees usku, et Res Publica juhtimisel suudetakse 2007. aasta parlamendivalimistel taastada tulevikku suunatud m√Ķtlemisega valitsus

  10. BioMagResBank.

    NARCIS (Netherlands)

    Ulrich, E.L.; Akutsu, H.; Doreleijers, J.; Harano, Y.; Ioannidis, Y.E.; Lin, J.; Livny, M.; Mading, S.; Maziuk, D.; Miller, Z.; Nakatani, E.; Schulte, C.F.; Tolmie, D.E.; Wenger, R.K.; Yao, H.; Markley, J.L.

    2008-01-01

    The BioMagResBank (BMRB: www.bmrb.wisc.edu) is a repository for experimental and derived data gathered from nuclear magnetic resonance (NMR) spectroscopic studies of biological molecules. BMRB is a partner in the Worldwide Protein Data Bank (wwPDB). The BMRB archive consists of four main data

  11. Res√ļmenes Conferencias Magistrales

    Directory of Open Access Journals (Sweden)

    Editor Gabriel Vargas Arana

    2015-12-01

    Full Text Available En este art√≠culo se pueden encontrar los res√ļmenes de las conferencias magistrales del III Congreso Latinoamericano de Plantas Medicinales, desarrollado del 12 al 14 de agosto de 2015 en la ciudad de Iquitos, Per√ļ.

  12. Res√ļmenes Presentaciones Orales

    Directory of Open Access Journals (Sweden)

    Editor Gabriel Vargas Arana

    2015-12-01

    Full Text Available En este art√≠culo se pueden encontrar los res√ļmenes de las presentaciones orales del III Congreso Latinoamericano de Plantas Medicinales, desarrollado del 12 al 14 de agosto de 2015 en la ciudad de Iquitos, Per√ļ.

  13. Res Publica esitas avalduse kaposse / Virkko Lepassalu

    Index Scriptorium Estoniae

    Lepassalu, Virkko, 1971-

    2003-01-01

    Kaposse j√Ķudis Res Publica avaldus, milles palutakse uurida erakonda seadusvastaselt anon√ľ√ľmselt sponsoreerima kutsuva kirja tagamaid. Vt. ka √Ąrip√§ev 19. veebruar lk. 6 "Kapo ei alustanud Res Publica avalduse peale kriminaalmenetlust"

  14. Padenije Res Publica / Viktoria J√ľrmann

    Index Scriptorium Estoniae

    J√ľrmann, Viktoria

    2005-01-01

    Res Publica √ľks rajajatest, Rein Taagepera, lahkus parteist, s√ľ√ľdistades erakonda paremtsentristlikust maailmavaatest loobumises. Res Publica Riigikogu fraktsioon tahab avaldada umbusaldust haridus- ja teadusminister Mailis Repsile

  15. Rahvaliit likvideerib Res Publica veeuputust / Janno Reiljan

    Index Scriptorium Estoniae

    Reiljan, Janno, 1951-2018

    2005-01-01

    Ilmunud ka: Molodjozh Estonii 1. august lk. 5. Selgitused Res Publica esimehe Taavi Veskim√§gi artiklile 25. juuli Postimehes "P√§rast meid tulgu v√Ķi veeuputus". Res Publica ja Rahvaliidu poliitika v√Ķrdlus

  16. Miks Res Publica kaotas / Juhan Parts

    Index Scriptorium Estoniae

    Parts, Juhan, 1966-

    2004-01-01

    Ilmunud ka: Severnoje Poberezhje, 29. juuni 2004, lk. 2; Koit, 29. juuni 2004, lk. 6. Europarlamendi valimiste tulemused erakonnale Res Publica. Juhan Partsi k√Ķne 26. juunil P√§rnus toimunud Res Publica volikogul. L√ľhendatult

  17. Mida ootame Res Publica poliitikutelt? / Andreas Kaju

    Index Scriptorium Estoniae

    Kaju, Andreas

    2003-01-01

    Res Publica Juventus on piirkondadele saadetud k√ľsitlustega otsinud vastuseid mitmetele probleemidele. Eesm√§rk Res Publica poliitilise k√§itumise raamide m√§√§ramine. Tabel: Juventuse k√ľsimused piirkondadele

  18. 10 teesi Res Publica valitsemisprogrammist aastani 2007

    Index Scriptorium Estoniae

    2004-01-01

    Ilmunud ka: Ottshjot narodu Estonii. Res Publica 2003, 2004, lk. 4-5, 8-9. Res Publica valitsemisprogrammi lubadustest ja t√§itmisest. Vt. lk. 8-9 Res Publica ministrite olulisemad tegevused 2004. aastal - l√ľhi√ľlevaate teevad Ken-Marti Vaher, Taavi Veskim√§gi, Marko Pomerants, Toivo Maimets

  19. Teine Res Musica ilmunud / Jaan Ross

    Index Scriptorium Estoniae

    Ross, Jaan, 1957-

    2010-01-01

    Artiklikogumikust: Res musica [2] : Eesti Muusikateaduse Seltsi ja Eesti Muusika- ja Teatriakadeemia muusikateaduse osakonna aastaraamat / peatoimetaja Urve Lippus. Tallinn : Eesti Muusika- ja Teatriakadeemia, 2010

  20. Res Publica otsib kandepinda / Mirko Ojakivi

    Index Scriptorium Estoniae

    Ojakivi, Mirko

    2004-01-01

    Res Publica peasekret√§ri Ott Lumi s√Ķnul on erakond teinud t√Ķsised j√§reldused Euroopa Parlamendi valimiste tulemusest. Res Publica parlamendifraktsiooni v√§ljas√Ķidul pidas kriitilise k√Ķne erakonna esimees Juhan Parts

  1. Res Publica soolo rikkus tavasid / Kai Kalamees

    Index Scriptorium Estoniae

    Kalamees, Kai

    2005-01-01

    Riigikogu aseesimeheks valiti Res Publica liige Taavi Veskim√§gi, n√ľ√ľd on Riigikogu juhatuses kaks √ľhe partei liiget. Riigikogu aseesimeheks tagasi valitud Toomas Vareki hinnangul n√§itab see samm nii Res Publica kogenematust kui ka Eesti poliitilise kultuuri kehva taset

  2. Isamaaliidu √ľhinemisjutt ajas Res Publica keema / Toomas Sildam

    Index Scriptorium Estoniae

    Sildam, Toomas, 1961-

    2005-01-01

    Ilmunud ka: Postimees : na russkom jaz√Ķke 14. nov., lk 3. Isamaaliidu esimehe T√Ķnis Lukase ettepanekut Isamaaliidu ja Res Publica √ľhinemiseks pooldavad ka Res Publica eestseisuse liikmed Juhan Parts ja T√Ķnis Palts, kuid Res Publica esimehe Taavi Veskim√§e kinnitusel l√§heb Res Publica 2007. aasta parlamendivalimistele vastu iseseisvalt. Lisa: Isamaaliit ja Res Publica

  3. Kui piiluda Res Publica hinge / Alar Oppar

    Index Scriptorium Estoniae

    Oppar, Alar

    2005-01-01

    Autori s√Ķnul soovib Res Publica Reformierakonna koalitsioonist eemaldada, et viia ellu oma projektid. Selleks on vaja l√Ķplikult erastada riigi varad ja avalikud teenused ning viia avalik v√Ķim miinimumini

  4. Tere tulemast, Res Publica 2? / T√Ķnis K√Ķiv

    Index Scriptorium Estoniae

    K√Ķiv, T√Ķnis, 1970-

    2006-01-01

    Ilmunud ka: J√§rva Teataja 18. apr. lk. 2, Vooremaa 20. apr. lk. 2, Meie Maa 21. apr. lk. 2, Paremad Uudised nr. 2 lk. 3. Autor loodab, et Res Publica ja Isamaaliidu √ľhinemisel tekkiv partei Eesti Eest! saab Reformierakonna koost√∂√∂partneriks

  5. Regulation of Chemokine Expression by Lipopolysaccharide In Vitro and In Vivo

    Science.gov (United States)

    2002-06-10

    McMurray, D. Smith, J. Sims, 194 T. Bird , and L. O’Neil. 2001. Mal (MyD88-adapter-like) is required for Toll-like receptor-4 signal transduction. Nature...HuMig: a new human member of the chemokine family of cytokines. Biochem. Biophys. Res. Commun. 192:223. 128. Cole, K., C. Strick, T. Paradis , K

  6. Regulatory single nucleotide polymorphisms at the beginning of ...

    Indian Academy of Sciences (India)

    2015-11-28

    Nov 28, 2015 ... 1988 Beta-thalassemia due to a T‚ÄďA mutation within the. TATA box. Biochem. Biophys. Res. Commun. 153 741‚Äď747. Fleming JD, Pavesi G, Benatti P, Imbriano C, Mantovani R and. Struhl K 2013 NF-Y coassociates with FOS at promoters, en- hancers, repetitive elements, and inactive chromatin regions,¬†...

  7. Fulltext PDF

    Indian Academy of Sciences (India)

    in human and animal tissues (fat). In humans, the half- life of TCDD is estimated to be 7‚Äď10 ... account dioxin accumulation in fat tissue and the important role of pork in human nutrition as well as the fact that ...... carbon receptor polymorphisms that result in loss of CYP1A1 induction. Biochem. Biophys. Res. Commun. 288¬†...

  8. RESEARCH ARTICLE

    Indian Academy of Sciences (India)

    Navya

    solubility and chemical stability, TCDD easily accumulates in human and animal tissues (fat). In humans, the half-life of ... fat tissue and the important role of pork in human nutrition as well as the fact that AhR and. ARNT genes in the pig are ..... polymorphisms that result in loss of CYP1A1 induction. Biochem. Biophys. Res.

  9. Pattern of change in histone 3 lysine 9 acetylation and histone ...

    Indian Academy of Sciences (India)

    2014-08-11

    Aug 11, 2014 ... Kim Y. S., Kim M. J., Koo T. H., Kim J. D., Koun S., Ham H. J. et al. 2012 Histone deacetylase is required for the activation of Wnt/ő≤- catenin signaling crucial for heart valve formation in zebrafish embryos. Biochem. Biophys. Res. Commun. 423, 140‚Äď146. Kratz A., Arner E., Saito R., Kubosaki A., Kawai J.,¬†...

  10. Single-nucleotide variations associated with Mycobacterium ...

    Indian Academy of Sciences (India)

    surveillance, planning, financing (Geneva: World Health. Organization). Wu X, Jornvall H, Berndt K and Oppermann U 2004 Codon optimization reveals critical factors for high level expression of two rare codon genes in Escherichia coli: RNA stability and secondary structure but not tRNA abundance; Biochem. Biophys. Res ...

  11. Fulltext PDF

    Indian Academy of Sciences (India)

    2012-01-24

    Jan 24, 2012 ... Jackson JH, George R and Herring PA 2000 Vectors of Shannon information from Fourier signals characterizing base periodicity in genes and genomes. Biochem. Biophys. Res. Commun. 268. 289‚Äď292. Jurka J, Kapitonov VV, Pavlicek A, Klonowski P, Kohany O and. Walichiewicz J 2005 Repbase Update,¬†...

  12. Res Publica meelitab valla- ja linnajuhte / Henrik Roonemaa

    Index Scriptorium Estoniae

    Roonemaa, Henrik

    2001-01-01

    Valitsusliidu regionaalpoliitikas pettunud 30 omavalitsusjuhti on astunud √ľhenduse Res Publica liikmeks, lootes selle p√Ķhjal tekkiva partei abil kohaliku ja riigiv√Ķimu taas omavahel suhtlema panna. Vt. samas Res Publica liikmetest omavalitsusjuhid

  13. Parts ei soovi Res Publica esimehe ametit / Tuuli Koch

    Index Scriptorium Estoniae

    Koch, Tuuli

    2005-01-01

    K√Ķige t√Ķen√§olisem kandidaat Res Publica juhi kohale on Taavi Veskim√§gi, aseesimeesteks kandideerivad Marko Mihkelson ja Henn P√§rn. Res Publica fraktsiooni koosolekul leidis Mihhail Lotman, et erakond v√Ķiks olla feminiinsem

  14. The purifying bridge of Res Publica / Rein Taagepera

    Index Scriptorium Estoniae

    Taagepera, Rein, 1933-

    2004-01-01

    Res Publica edust Eesti poliitilisel maastikul. Autor k√§sitleb Res Publicat kui puhastava toimega ja silla funktsiooni t√§itvat parteid, mis √ľritab siduda tervikuks Keskerakonna ja Reformierakonna seisukohad

  15. Theology and Rhetoric: Redefining the relationship between Res ...

    African Journals Online (AJOL)

    linguistic form, verba) and theology (content, res) in scholarship's history (part I), a theoretical discussion attempts to further undergird the third model according to which verba produce res (part II). As a first step, the inseparable intertwinement of res ...

  16. Juhan Parts soovib Res Publica tagasi tippu viia / Toomas Sildam

    Index Scriptorium Estoniae

    Sildam, Toomas, 1961-

    2004-01-01

    Res Publica esimees peaminister Juhan Parts plaanib minna oma erakonnaga kohalikele valimistele ning uurib v√Ķimalusi paremerakondade √ľhinemiseks. Rakveres toimunud erakonna √ľldkogust. Lisad: Peaministri neli rasket hetke; Res Publica ministrid said parteilt toetuse. Vt. samas: Reformierakond kiitis Res Publicat hea koost√∂√∂ eest; Parts: 191 vastuh√§√§lt on hea tulemus

  17. Kes tegelikult l√Ķid Res Publica? / Valeri Kalabugin

    Index Scriptorium Estoniae

    Kalabugin, Valeri

    2005-01-01

    Enne erakonnaks kuulutamist oli Res Publica Eesti iseseisvust ja demokraatiat taotlev √ľhendus, kuhu on kuulunud mitmed poliitika- ning √ľhiskonnategelased. Vt. samas: √úhendus Res Publica avaldus. K√ľsimustele vastavad Res Publica avalike suhete juht Riina V√§ndre, Riigikogu liige Mart Nutt, ajakirjanik Toomas K√ľmmel

  18. Ressources Minières En Afrique

    International Development Research Centre (IDRC) Digital Library (Canada)

    Ressources mini√®res en Afrique: quelle r√©glementation pour le d√©veloppement? Traduction de: Mining in Africa. Comprend des r√©f. bibliogr. et un index. Publ. en collab. avec: Centre de recherches pour le d√©veloppement international. ISBN 978-2-7605-2521-4. 1. Mines ‚Äď Industrie ‚Äď Afrique. 2. Mines ‚Äď Droit ‚Äď Afrique. 3.

  19. Farm Shop : Augmenter l'accès aux matières premières agricoles au ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    Farm Shop est un mod√®le de franchise social novateur qui permet d'obtenir des mati√®res premi√®res d'excellente qualit√© √† des prix abordables gr√Ęce √† des √©conomies d'√©chelle. Il forme √©galement des franchis√©s et des agriculteurs sur la fa√ßon d'utiliser les mati√®res premi√®res. Au cours de ses trois premi√®res ann√©es¬†...

  20. RES-E-NEXT: Next Generation of RES-E Policy Instruments

    Energy Technology Data Exchange (ETDEWEB)

    Miller, M.; Bird, L.; Cochran, J.; Milligan, M.; Bazilian, M. [National Renewable Energy Laboratory, Golden, CO (United States); Denny, E.; Dillon, J.; Bialek, J.; O’Malley, M. [Ecar Limited (Ireland); Neuhoff, K. [DIW Berlin (Germany)

    2013-07-04

    The RES-E-NEXT study identifies policies that are required for the next phase of renewable energy support. The study analyses policy options that secure high shares of renewable electricity generation and adequate grid infrastructure, enhance flexibility and ensure an appropriate market design. Measures have limited costs or even save money, and policies can be gradually implemented.

  1. RES MARCH COV 07 PRINT DP

    Indian Academy of Sciences (India)

    the translation of other RNAs. This class of enzymes has ... of DNA to form nucleosomes. His studies helped to establish correspondence between the beads-on-a-string ap- pearance of chromatin in electron micrographs and the biochemi- ... accelerated the biochemical studies of yeast transcription and helped establish the ...

  2. Afrique : ressources minières, environnement et gouvernance ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    25 janv. 2011 ... ils regorgent de richesses inou√Įes ¬Ľ, assure Bonnie Campbell, directrice du Groupe de recherche sur les activit√©s mini√®res en Afrique (GRAMA) et titulaire de la Chaire C.-A. Poissant de recherche sur la gouvernance et l'aide au d√©veloppement, faisant r√©f√©rence aux ressources mini√®res et p√©troli√®res dont¬†...

  3. Farm Shop : Augmenter l'accès aux matières premières agricoles au ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    Il forme également des franchisés et des agriculteurs sur la façon d'utiliser les matières premières. Au cours de ses trois premières années d'existence, Farm Shop a créé 25 magasins, lesquels ont servi plus de 60 000 petits exploitants agricoles (dont 48 % étaient des femmes). Ces magasins ont permis de valider les ...

  4. Les Lumières à Manhattan

    OpenAIRE

    Goehr, Lydia

    2017-01-01

    La Dialectik der Aufkl√§rung in Amerika n‚Äôest pas la m√™me chose que la Dialectique des Lumi√®res aux √Čtats-Unis. La diff√©rence tient sans doute au fait qu‚Äôon regarde les choses de l‚Äôext√©rieur ou de l‚Äôint√©rieur du pays. Le titre de cette conf√©rence est volontairement ambigu. Il nous invite √† consid√©rer la r√©ception aux √Čtats-Unis du livre d‚ÄôHorkheimer et Adorno, Die Dialektik der Aufkl√§rung, et son r√īle dans la d√©finition du concept d‚Äô¬ę¬†Amerika¬†¬Ľ avec un k √† la Kafka. Et √† nous demander s‚Äôil a v...

  5. Res Publica Euroopas / Eiki Berg, Marko Mihkelson ; interv. Lauri Lugna

    Index Scriptorium Estoniae

    Berg, Eiki, 1970-

    2003-01-01

    Res Publica v√§lispoliitika eksperdid Eiki Berg ja Marko Mihkelson vastavad k√ľsimustele, mis k√§sitlevad Res Publica saamist Euroopa Rahvapartei (ERP) liikmeks, koost√∂√∂d ERP-ga, EL-i p√Ķhiseaduslikku lepet

  6. Res Publica viskab Oleg Rebase välja

    Index Scriptorium Estoniae

    2006-01-01

    Res Publica Tallinna piirkonna juhatus leidis, et Oleg Rebane l√§ks Keskerakonna provokatsiooniga kaasa minnes vastuollu Res Publica p√Ķhim√Ķtetega. Tallinna linnapea J√ľri Ratase suhtes algatatud umbusaldush√§√§letuse p√Ķhjustest. Sven Sester vastab k√ľsimusele, mis seotud Oleg Rebase ja T√Ķnis Bittmani juhtumiga

  7. Measures of Biochemical Sociology

    Science.gov (United States)

    Snell, Joel; Marsh, Mitchell

    2008-01-01

    In a previous article, the authors introduced a new sub field in sociology that we labeled "biochemical sociology." We introduced the definition of a sociology that encompasses sociological measures, psychological measures, and biological indicators Snell & Marsh (2003). In this article, we want to demonstrate a research strategy that would assess…

  8. Biochemical Education in Brazil.

    Science.gov (United States)

    Vella, F.

    1988-01-01

    Described are discussions held concerning the problems of biochemical education in Brazil at a meeting of the Sociedade Brazileira de Bioquimica in April 1988. Also discussed are other visits that were made to universities in Brazil. Three major recommendations to improve the state of biochemistry education in Brazil are presented. (CW)

  9. Res Publica l√ľkkas tagasi Isamaaliidu √ľhinemisettepaneku / Mirko Ojakivi

    Index Scriptorium Estoniae

    Ojakivi, Mirko

    2005-01-01

    Kuigi Res Publica juhid l√ľkkasid tagasi idee √ľhineda Isamaaliiduga, on Res Publica valmis koost√∂√∂ks nii Isamaaliidu kui ka k√Ķigi teiste erakondadega. Res Publica parlamendifraktsiooni esimehe Marko Pomerantsi arvamus

  10. ReS2-based interlayer tunnel field effect transistor

    Science.gov (United States)

    Mohammed, Omar B.; Movva, Hema C. P.; Prasad, Nitin; Valsaraj, Amithraj; Kang, Sangwoo; Corbet, Chris M.; Taniguchi, Takashi; Watanabe, Kenji; Register, Leonard F.; Tutuc, Emanuel; Banerjee, Sanjay K.

    2017-12-01

    In this study, we report the fabrication and characterization of a vertical resonant interlayer tunneling field-effect transistor created using exfoliated, few-layer rhenium disulfide (ReS2) flakes as the electrodes and hexagonal boron nitride as the tunnel barrier. Due to the őď-point conduction band minimum, the ReS2 based system offers the possibility of resonant interlayer tunneling and associated low-voltage negative differential resistance (NDR) without rotational alignment of the electrode crystal orientations. Substantial NDR is observed, which appears consistent with in-plane crystal momentum conserving tunneling, although considerably broadened by scattering consistent within low mobility ReS2 flakes.

  11. Homocystein: A new biochemical marker in livestock sector

    Directory of Open Access Journals (Sweden)

    Suleyman Kozat

    2017-12-01

    Full Text Available The livestock sector is making great contributions to the world economy. Many different diseases, such as cardiovascular diseases, kidney and mineral substance insufficiency, cause huge losses in yield and production in the livestock sector. Early diagnosis is essential to combat these diseases. Today, homocysteine levels are used as biochemical markers in the diagnosis of the functions and diseases of many different organs in human medicine. Homocysteine is an amino acid that occurs in the process of methionine metabolism and does not enter the primary structure of proteins. Homocysteine is a biochemical marker used in the assessment of cardiovascular and renal diseases as well as other organ functions. In this review, homocysteine determination methods and detailed information about which organ and system diseases can be used in livestock sector will be given. [J Adv Vet Anim Res 2017; 4(4.000: 319-332

  12. Isamaa ja Res Publica Liidu plaan / Juhan Parts

    Index Scriptorium Estoniae

    Parts, Juhan, 1966-

    2008-01-01

    Ilmunud ka: Eesti Eest = Za Estoniju : Izdanije objedinenija "Sojuz Otetshestva i Res Publica" 15. mai 2008, lk. 4-5. Eesti majanduse uutest √ľlesannetest. Kommenteerib: Mart Laar. Vt. samas: IRL-i ettepanekud koalitsioonileppe t√§ienduseks

  13. Coment√°rio sobre as Res Gestae Divi Avgvsti

    Directory of Open Access Journals (Sweden)

    Maria Luiza Corassin

    2004-12-01

    Full Text Available This article studies an epigraphic source, Augustus's Res gestae, which provides elements that elucidate the construction of the imperial power system and the relationship between ruler and ruled.

  14. CRIT√ąRES DE CHOIX DE L‚Äô INVESTISSEMENT

    Directory of Open Access Journals (Sweden)

    CEAUŇěESCU Aurelian Ionut

    2009-12-01

    Full Text Available Les critères du choix de l’investissement sont liés à sa nature (investissement technique, investissement financier, investissement de sécurité, investissement de prestige, etc.. Nous allons raisonner sur un investissement technique dont les conséquences sont mesurables par des flux financiers. Mais, on ne peut pas estimer les conséquences financières d’un investissement de prestige ou de sécurité. Les critères financiers du choix des investissements reposent tous sur un principe commun: l’actualisation Ses principaux critères sont : 1 la durée (le délai de récupération du capital investi 2 le flux net de trésorerie actualisé ; 3 l’indice de profitabilité et le taux interne de rentabilite

  15. ResBoost: characterizing and predicting catalytic residues in enzymes

    Directory of Open Access Journals (Sweden)

    Freund Yoav

    2009-06-01

    Full Text Available Abstract Background Identifying the catalytic residues in enzymes can aid in understanding the molecular basis of an enzyme's function and has significant implications for designing new drugs, identifying genetic disorders, and engineering proteins with novel functions. Since experimentally determining catalytic sites is expensive, better computational methods for identifying catalytic residues are needed. Results We propose ResBoost, a new computational method to learn characteristics of catalytic residues. The method effectively selects and combines rules of thumb into a simple, easily interpretable logical expression that can be used for prediction. We formally define the rules of thumb that are often used to narrow the list of candidate residues, including residue evolutionary conservation, 3D clustering, solvent accessibility, and hydrophilicity. ResBoost builds on two methods from machine learning, the AdaBoost algorithm and Alternating Decision Trees, and provides precise control over the inherent trade-off between sensitivity and specificity. We evaluated ResBoost using cross-validation on a dataset of 100 enzymes from the hand-curated Catalytic Site Atlas (CSA. Conclusion ResBoost achieved 85% sensitivity for a 9.8% false positive rate and 73% sensitivity for a 5.7% false positive rate. ResBoost reduces the number of false positives by up to 56% compared to the use of evolutionary conservation scoring alone. We also illustrate the ability of ResBoost to identify recently validated catalytic residues not listed in the CSA.

  16. Proliferation of reticuloendothelial system (RES) in rats with altered vision or smell (to the hypothetic neural regulation of the RES).

    Science.gov (United States)

    Jansa, P; Urb√°nek, K; Riegrov√°, D

    1993-12-01

    A long-term administration of an azo-dye, trypan blue, induced a reactive proliferation of RES in rats. Reaction of the RES was followed in rats whose optical analyzer was eliminated by enucleation of bulbs after the birth, in rats whose smell analyzer was altered by a repeated long-term exposition to ammoniac and in normal rats. Blind rats showed a striking proliferation of histiocytes of the RES in the liver, while the reaction was weak in the spleen and lymph nodes. In contrary to that, rats with altered smell and also the normal rats exhibited standard reactive changes in the spleen and lymph nodes and distinctly weaker reaction in the liver. The obtained results support an idea that vegetative neural mechanisms play a role in control and coordination of RES reactions.

  17. Biochemical Hypermedia: Galactose Metabolism.

    Directory of Open Access Journals (Sweden)

    J.K. Sugai

    2013-05-01

    Full Text Available Introduction: Animations of biochemical processes and virtual laboratory environments lead to true molecular simulations. The use of interactive software’s in education can improve cognitive capacity, better learning and, mainly, it makes information acquisition easier. Material and Methods: This work presents the development of a biochemical hypermedia to understanding of the galactose metabolism. It was developed with the help of concept maps, ISIS Draw, ADOBE Photoshop and FLASH MX Program. Results and Discussion: A step by step animation process shows the enzymatic reactions of galactose conversion to glucose-1-phosphate (to glycogen synthesis, glucose-6-phosphate (glycolysis intermediary, UDP-galactose (substrate to mucopolysaccharides synthesis and collagen’s glycosylation. There are navigation guide that allow scrolling the mouse over the names of the components of enzymatic reactions of via the metabolism of galactose. Thus, explanatory text box, chemical structures and animation of the actions of enzymes appear to navigator. Upon completion of the module, the user’s response to the proposed exercise can be checked immediately through text box with interactive content of the answer. Conclusion: This hypermedia was presented for undergraduate students (UFSC who revealed that it was extremely effective in promoting the understanding of the theme.

  18. Electricity market models and RES integration: The Greek case

    International Nuclear Information System (INIS)

    Simoglou, Christos K.; Biskas, Pandelis N.; Vagropoulos, Stylianos I.; Bakirtzis, Anastasios G.

    2014-01-01

    This paper presents an extensive analysis of the Greek electricity market for the next 7-year period (2014‚Äď2020) based on an hour-by-hour simulation considering five different RES technologies, namely wind, PV, small hydro, biomass and CHP with emphasis on PV integration. The impact of RES penetration on the electricity market operation is evaluated under two different models regarding the organization of the Greek wholesale day-ahead electricity market: a mandatory power pool for year 2014 (current market design) and a power exchange for the period 2015‚Äď2020 (Target Model). An integrated software tool is used for the simulation of the current and the future day-ahead market clearing algorithm of the Greek wholesale electricity market. Simulation results indicate the impact of the anticipated large-scale RES integration, in conjunction with each market model, on specific indicators of the Greek electricity market in the long-term. - Highlights: ‚ÄĘ Analysis of the Greek electricity market for the next 7-year period (2014‚Äď2020) based on hour-by-hour simulation. ‚ÄĘ Five different RES technologies are considered with emphasis on PV integration. ‚ÄĘ A power pool (for 2014) and a power exchange (for 2015‚Äď2020) are considered. ‚ÄĘ Various market indicators are used for the analysis of the impact of the RES integration on the Greek electricity market. ‚ÄĘ Two alternative tariff schemes for the compensation of the new ground-mounted PV units from 2015 onwards are investigated

  19. Carnitine prevents the early mitochondrial damage induced by methylglyoxal bis(guanylhydrazone) in L1210 leukaemia cells.

    OpenAIRE

    Nikula, P; Ruohola, H; Alhonen-Hongisto, L; Jänne, J

    1985-01-01

    We previously found that the anti-cancer drug methylglyoxal bis(guanylhydrazone) (mitoguazone) depresses carnitine-dependent oxidation of long-chain fatty acids in cultured mouse leukaemia cells [Nikula, Alhonen-Hongisto, Seppänen & Jänne (1984) Biochem. Biophys. Res. Commun. 120, 9-14]. We have now investigated whether carnitine also influences the development of the well-known mitochondrial damage produced by the drug in L1210 leukaemia cells. Palmitate oxidation was distinctly inhibited in...

  20. Biomarker Discovery and Mechanistic Studies of Prostate Cancer Using Targeted Proteomic Approaches

    Science.gov (United States)

    2012-07-01

    epithelium of benign pathology) was generously provided by Dr. Simon W. Hayward (Department of Urological Surgery, Vanderbilt University Medical Center...Western blotting. Stable tansfectants were cloned under Geneticin selection (Invitrogen) (300¬Ķg/ml), the generated clones were maintained in RPMI 1640...Kuno N, Muramatsu H, et al. Abnormalities of sensory and memory functions in mice lacking Bsg gene. Biochem Biophys Res Commun 1997; 236:733-7. 9

  1. Human Pregnancy-Specific Glycoproteins Function as Immunomodulators In Vitro by Inducing Secretion of IL-10 and IL-6 in Human Monocytes

    Science.gov (United States)

    2000-02-29

    antigen gene family members in submandibular salivary gland : demonstration ofpregnancy-specific glycoproteins by cDNA cloning. Biochem Biophys Res...presence ofCEA in serum has been used diagnostically to monitor progression ofpatients with colon cancer (Shively and Beatty, 1985). CEA transcripts...levels ofserum PSGs have also been associated with non-trophoblastic tumors like ovarian cancer (Searle et. aI., 1978), tumors ofthe breast (Home et. aI

  2. Applicability of the doctrine of Res Ipsa Loquitur in medical ...

    African Journals Online (AJOL)

    However, majority of medical negligence/malpractice cases are difficult to prove by the plaintiff, hence, the latter relies on the doctrine of Res Ipsa Loquitur which shifts the onus of proof to the defendant. Thus, this paper examines the elements of negligence in tort; and medical negligence; the concepts of vicarious liability, ...

  3. Pettumus Res Publicas algas kirikus antud vandest / Margus Tsahkna

    Index Scriptorium Estoniae

    Tsahkna, Margus, 1977-

    2005-01-01

    Autori s√Ķnul on Res Publica petnud inimeste p√Ķhiv√§√§rtustele tuginevaid ootusi, Eesti riik kaugeneb kodanikust ja tema elulistest huvidest. Isamaaliit paneb ette asuda tegelike probleemide lahendamisele ning kutsub erakondi √ľles kaitsma rahvuslikke huve

  4. Medical negligence and res ipsa loquitur in South Africa | Patel ...

    African Journals Online (AJOL)

    The inter-relationship between Medicine and Law is most commonly brought to the fore by cases involving medical negligence. This relationship needs to protect all parties concerned based on the probability of reasonableness in terms of who performs the act as well as the patient affected by the act in question. The res ...

  5. Reinsalu : Res Publica lisab kiirust / Urmas Reinsalu ; interv. Lauri Tankler

    Index Scriptorium Estoniae

    Reinsalu, Urmas, 1975-

    2004-01-01

    Ilmunud ka: V√Ķta V√Ķim : na russkom jaz√Ķke, 28. apr. 2004, lk. 4. Res Publica esikandidaat Urmas Reinsalu erakonna valimiskampaania eesm√§rkidest, v√Ķimalustest nende eesm√§rkide saavutamiseks ja erakonna valimisprogrammi ning kandidaatide eelistest konkurentide ees

  6. Manufactured Residential Utility Wall System (ResCore),

    Energy Technology Data Exchange (ETDEWEB)

    Wendt, Robert [Oak Ridge National Lab., TN (United States); Lundell, Clark; Lau, Tin Man [Auburn Univ., AL (United States)

    1997-12-31

    This paper describes the design and development of a manufactured residential utility wall system referred to as ResCore. ResCore is a self contained, manufactured, residential utility wall that provides complete rough-in of utilities (power, gas, water, and phone) and other functions (exhaust, combustion make-up air, refrigerant lines, etc.) to serve the kitchen, bath, utility, and laundry rooms. Auburn University, Department of Industrial Design faculty, students, supported by a team of graduate student researchers and the project`s advisory team, developed the ResCore. The project was accomplished through a research subcontract from the U.S. Department of Energy administered by the Oak Ridge National Laboratory. The ResCore wall system features a layered manufacturing technique that allows each major component group: structural, cold water, hot water, drain, gas, electric, etc. to be built as a separate subassembly and easily brought together for final assembly. The two structural layers are reinforced with bridging that adds strength and also permits firm attachment of plumbing pipes and other systems to the wall frame.

  7. Manufactured residential utility wall system (ResCore), overview

    Energy Technology Data Exchange (ETDEWEB)

    Wendt, R. [Oak Ridge National Lab., TN (United States); Lundell, C.; Lau, T.M. [Auburn Univ., AL (United States)

    1997-05-01

    This paper provides an overview of the design and development of a manufactured residential utility wall system referred to as ResCore. ResCore is a self-contained, manufactured, residential utility wall that provides complete rough-in of utilities (power, gas, water, and phone) and other functions (exhaust, combustion make-up air, refrigerant lines, etc.) to serve the residential kitchen, bath, utility, and laundry rooms. Auburn University, Department of Industrial Design faculty and students, supported by a team of graduate student researchers and the project`s advisory team, developed the ResCore. The project was accomplished through a research subcontract from the US Department of Energy administered by the Oak Ridge National Laboratory. The ResCore wall system features a ``layered`` manufacturing technique that allows each major component group--structural, cold water, hot water, drain, gas, electric, etc.--to be built as a separate subassembly and easily brought together for final assembly. The two structural layers are reinforced with bridging that adds strength and also permits firm attachment of plumbing pipes and other systems to the wall frame.

  8. Au Cern, premières collisions de protons hier

    CERN Multimedia

    Galeazzi, Juliette

    2009-01-01

    "Hier, les scientifiques du monde entier ont salué le redémarrage du LHC, grand collisionneur de hadrons, au Cern à Genève. Après quatorze mois d'arrêt, à la suite d'une panne, les expériences ont pris et les premières collisions ont eu lieu" (2 pages)

  9. Res Publica : Don Kihhot pobedil Karlsona / Jevgenija Garanzha

    Index Scriptorium Estoniae

    GaranŇĺa, Jevgenija, 1979-

    2005-01-01

    Res Publica esimeesteks kandideerinud Taavi Veskim√§gi ja Jaanus Rahum√§gi tutvustasid erakonna √ľldkogul oma programmi. Uus juht Taavi Veskim√§gi v√Ķttis partei √ľle 4 protsendilise reitinguga, p√Ķhim√Ķtted kohalikeks valimisteks valmistumisel

  10. Res√ļmenes Presentaciones de P√≥steres

    Directory of Open Access Journals (Sweden)

    Editor Gabriel Vargas Arana

    2015-12-01

    Full Text Available En este art√≠culo se pueden encontrar los res√ļmenes de las presentaciones de p√≥steres del III Congreso Latinoamericano de Plantas Medicinales, desarrollado del 12 al 14 de agosto de 2015 en la ciudad de Iquitos, Per√ļ.

  11. Res Publica asutaja Taal asus Reiljani poolele / Tuuli Koch

    Index Scriptorium Estoniae

    Koch, Tuuli

    2006-01-01

    Ilmunud ka: Postimees : na russkom jaz√Ķke 16. veebr. lk. 2. Opositsiooni poolt Riigikogus l√§bi viidud umbusaldus keskkonnaminister Villu Reiljani vastu ei kogunud piisavalt h√§√§li. Umbusalduse p√Ķhjuseks t√Ķid Isamaaliit ja Res Publica puuduliku ettevalmistuse merereostusega tegelemiseks, selle tulemusena tekkinud infosulu ning valitsuse t√§ieliku tegevusetuse reostuse ilmnemisel

  12. 167 APPLICABILITY OF THE DOCTRINE OF RES IPSA LOQUITUR ...

    African Journals Online (AJOL)

    Fr. Ikenga

    Keywords: Medical Negligence/Malpractice, Duty of Care, Breach of Duty, Damages, Res Ipsa. Loquitur ... This pathetic story is one out of the numerous medical negligent/malpractice cases encountered by patients ..... and Dental Practitioners in Nigeria, also known as Code of Medical Ethics in Nigeria23 provides for acts.

  13. Res Publica presidendikandidaatide nimed selguvad neljap√§evaks / Rauno Veri, Urmo K√ľbar

    Index Scriptorium Estoniae

    Veri, Rauno, 1978-

    2006-01-01

    Res Publica, Isamaaliit, Reformierakond, SDE ja Keskerakond otsivad √ľhist presidendikandidaati, ainsa parlamendierakonnana ei osale l√§bir√§√§kimistel Rahvaliit. Reformierakonna, SDE presidendikandidaatidest; Res Publica naiskogu ja V√§√§rikate Kogu √ľhisavaldusest

  14. Res Publica k√§rbiks v√Ķimuorganite koosseise / Argo Ideon

    Index Scriptorium Estoniae

    Ideon, Argo, 1966-

    2002-01-01

    Res Publica taotleb Riigikogu kärpimist 61 liikmeni, lubab kahandada kohalike volikogude koosseise, Tallinna abilinnapeade arvu ja kaotada portfellita ministrite kohad. Vt. samas: Res Publica valimisnimekiri Tallinnas

  15. Res Publica t√§histab s√ľnnip√§eva konverentsiga / Lauri Tankler

    Index Scriptorium Estoniae

    Tankler, Lauri

    2003-01-01

    Ilmunud ka: V√Ķta V√Ķim : na russkom jaz√Ķke 3. dets. lk. 3. Res Publica saab 2-aastaseks, mille puhul korraldatakse konverents "Riik ja Res Publica". Vt. samas: Selle aasta veebruaris said kuldm√§rgid

  16. Siset√ľlides Res Publica heitis liidu Keskerakonnaga k√Ķrvale / Urmas Seaver

    Index Scriptorium Estoniae

    Seaver, Urmas, 1973-

    2005-01-01

    Res Publica juhatus otsustas toetada senise koalitsiooni j√§tkamist Tallinnas. Res Publica ja Reformierakonna t√§iendatud koalitsioonileppest. Reformierakonna Tallinna piirkonna juhi Keit Pentuse hinnang v√Ķimut√ľlile. Lisa: V√Ķimuleppe lisa

  17. Res Publica hakkab kaaluma Kohtla-J√§rve v√Ķimuliidust lahkumist / Erik Gamzejev

    Index Scriptorium Estoniae

    Gamzejev, Erik, 1967-

    2002-01-01

    Ilmunud ka: Severnoje Poberezhje 19. nov. lk. 1. Res Publica eestseisuse ettepanek Kohtla-Järve osakonnale lahkuda koalitsioonist. Osakonna juhatuse otsus esitada Hants Hint volikogu esimehe kandidaadiks. Res Publica liikmete käitumise arutelu aukohtus

  18. Res Publica andis kolmele poliitikule fiktiivse elukoha / Kärt Karpa

    Index Scriptorium Estoniae

    Karpa, Kärt, 1973-

    2002-01-01

    V√§idetavalt lasi Res Publica enne kohalikke valimisi √ľhte Pirita eramajja sisse registreerida Jaanus Rahum√§e ja veel kaks Res Publica liiget, et nad saaksid kandideerida Tallinna volikogusse ja Pirita halduskogusse

  19. Res Publica asus Reformierakonda Tallinna v√Ķimuliidust t√Ķrjuma / Mirko Ojakivi

    Index Scriptorium Estoniae

    Ojakivi, Mirko

    2005-01-01

    Res Publica Tallinna piirkonna juhatuse liikme Siim Roode s√Ķnul teeb Res Publica Keskerakonna Tallinna piirkonna juhatusele ettepaneku koalitsioonil√§bir√§√§kimiste alustamiseks. Lisa: Paltsu ettek√§√§ndeks Unicom

  20. Res Publica : umbusaldamine v√Ķib l√Ķpetada senise koalitsiooni / Villy Paimets

    Index Scriptorium Estoniae

    Paimets, Villy, 1972-

    2005-01-01

    Res Publica erakorraline volikogu avaldas toetust justiitsministrile ja andis peaministrile volitused l√Ķpetada justiitsministri umbusaldamise korral senine koalitsioon ning alustada l√§bir√§√§kimisi Isamaaliiduga. Lisa: Res Publica toetab Vaherit

  1. Pöördumine Res Publica Tallinna juhatuse ning liikmete poole

    Index Scriptorium Estoniae

    2005-01-01

    2002. aastal Tallinna linnavolikogusse valitud Res Publica liikmete p√∂√∂rdumine piirkonna juhatuse ning liikmete poole, milles taunitakse Reformierakonna k√§itumist Tallinna koalitsioonis ning nimetatakse p√Ķhim√Ķtteid, mille eest Res Publica peab praegu seisma

  2. Bilan des flux de matières particulaires et dissoutes du Sassandra à ...

    African Journals Online (AJOL)

    Méthodes de calcul des flux de matières. Les méthodes de calculs des flux de matières en suspension sont .... Ces variations montrent que les périodes de crue correspondent aux fortes concentrations, alors que .... Variations mensuelles des matières en suspension. Les fortes concentrations en matières en suspension ...

  3. Ouroboros - Playing A Biochemical

    Directory of Open Access Journals (Sweden)

    D. T. Rodrigues

    2014-08-01

    Full Text Available Ouroboros: Playing A Biochemical RODRIGUES,D.T.1,2;GAYER, M.C.1,2; ESCOTO, D.F.1; DENARDIN, E.L.G.2, ROEHRS, R.1,2 1Interdisciplinary Research Group on Teaching Practice, Graduate Program in Biochemistry, Unipampa, RS, Brazil 2Laboratory of Physicochemical Studies and Natural Products, Post Graduate Program in Biochemistry, Unipampa, RS, Brazil Introduction: Currently, teachers seek different alternatives to enhance the teaching-learning process. Innovative teaching methodologies are increasingly common tools in educational routine. The use of games, electronic or conventional, is an effective tool to assist in learning and also to raise the social interaction between students. Objective: In this sense our work aims to evaluate the card game and "Ouroboros" board as a teaching and learning tool in biochemistry for a graduating class in Natural Sciences. Materials and methods: The class gathered 22 students of BSc in Natural Sciences. Each letter contained a question across the board that was drawn to a group to answer within the allotted time. The questions related concepts of metabolism, organic and inorganic chemical reactions, bioenergetics, etc.. Before the game application, students underwent a pre-test with four issues involving the content that was being developed. Soon after, the game was applied. Then again questions were asked. Data analysis was performed from the ratio of the number of correct pre-test and post-test answers. Results and discussion: In the pre-test 18.1% of the students knew all issues, 18.1% got 3 correct answers, 40.9% answered only 2 questions correctly and 22.7% did not hit any. In post-test 45.4% answered all the questions right, 31.8% got 3 questions and 22.7% got 2 correct answers. The results show a significant improvement of the students about the field of content taught through the game. Conclusion: Generally, traditional approaches of chemistry and biochemistry are abstract and complex. Thus, through games

  4. Res Publicas käärib mäss / Hants Hint

    Index Scriptorium Estoniae

    Hint, Hants

    2002-01-01

    Res Publica eestseisuse liige ja Ida-Viru piirkonna esimees Hants Hint vastab k√ľsimustele Res Publica ja Keskerakonna v√Ķimuliidu moodustamisega tekkinud skandaali, Res Publica esimehe Juhan Partsiga kohtumise kohta. Vt. samas: "Korbi toetajaid ootab hukkam√Ķist"

  5. Res Publica pakub sponsoritele anon√ľ√ľmsust / Virkko Lepassalu

    Index Scriptorium Estoniae

    Lepassalu, Virkko, 1971-

    2003-01-01

    M√Ķnede t√Ķen√§oliselt Res Publica l√§hedaste ettev√Ķtjate seas levib erakonna nimel rahapalumiskiri, mis lubab sponsorile anon√ľ√ľmsust. Vt. samas: Telefonik√Ķne ettev√Ķtja ja Res Publica aseesimehe Ken-Marti Vaheri vahel ; Teisedki on saanud rahaallikaid varjates ; Res Publica on loobunud reklaamibroneeringutest

  6. Res Publica ladvikus h√Ķ√Ķgub v√Ķimut√ľli / Tuuli Koch

    Index Scriptorium Estoniae

    Koch, Tuuli

    2006-01-01

    22. aprillil kogunenud Res Publica volikogu toetas 60 poolth√§√§lega √ľhe vastu Res Publica ja Isamaaliidu √ľhinemist. T√Ķnis Palts teatas volikogul esinedes, et Taavi Veskim√§gi ei sobi Res Publica poolseks l√§bir√§√§kimiste juhiks

  7. Res Publica toetus pole aastaga √ľle viie protsendi t√Ķusnud / Tuuli Koch

    Index Scriptorium Estoniae

    Koch, Tuuli

    2006-01-01

    Emori jaanuarikuu k√ľsitluse p√Ķhjal on 22 protsendiga suurim toetajaskond Keskerakonnal, Res Publica reiting on aasta aega p√ľsinud viie ja kolme toetusprotsendi vahel. Vt. samas: Taavi Veskim√§gi. 2 k√ľsimust. Diagrammid: Res Publica valiks riigikogusse tagasi vaid kolm protsenti valijaist; Toetus Res Publicale

  8. Res Publica aukohus heidab juhtidele ette eetikavääratust / Toomas Mattson

    Index Scriptorium Estoniae

    Mattson, Toomas, 1970-

    2002-01-01

    Ilmunud ka: P√Ķhjarannik ; Severnoje Poberezhje 22. november lk. 3;4. Res Publica aukohus arvab, et Res Publica juhid on rikkunud erakonna p√Ķhikirja, sisekorda ja eetikakoodeksit Kohtla-J√§rve juhtumi lahendamisel. Kohtla-J√§rvel sai linnapeaks riisumiskahtlusega uurimise all olev Valeri Korb t√§nu Keskerakonna ja Res Publica koalitsioonileppele. Kommenteerib Juhan Kivir√§hk

  9. Further developments of the RES3T sorption database

    International Nuclear Information System (INIS)

    Brendler, V.

    2002-01-01

    RES 3 T - the Rossendorf expert system for surface and sorption thermodynamics currently under development has been expanded towards the provision of comprehensive sorption data sets suitable for complex natural systems of rocks and soils. Also a statistical evaluation of the available SCM (surface complexation model) data is now implemented. Finally, a normalization of SCM parameters to a standard site density has been incorporated. (orig.)

  10. Res Publica keeldub minemast Ansipi valitsusse / Kai Kalamees

    Index Scriptorium Estoniae

    Kalamees, Kai

    2005-01-01

    Res Publica peasekret√§r Ott Lumi peab j√§tkuvalt v√Ķimalikuks paremerakondade koalitsiooni teket. Ka Reformierakonna fraktsiooni esimehe Peep Aru s√Ķnul on alati v√Ķimalik kokku leppida, kui on tahet. Isamaaliidu aseesimehe T√Ķnis Lukase s√Ķnul peab enne koalitsioonik√Ķneluste j√§tkamist selgeks saama, kes juhib l√§bir√§√§kimisi

  11. MYRINGOPLASTIE PAR LA TECHNIQUE DES BOUTONNI√ąRES

    African Journals Online (AJOL)

    Le but de ce travail est de rapporter nos résultatsde myringoplastie par la technique des boutonnières, chez des patients porteurs ... (4,08%), la latéralisation dans 1 cas (2,04%), le blunting ou comblement de l'angle antérieur tympano-méatal dans 1 cas. (2,04%) ..... permettent qu'un contact limité entre le greffon et les reli-.

  12. Infrastructures financières et croissance économique

    OpenAIRE

    Bruno Amable; Jean-Bernard Chatelain

    1999-01-01

    International audience; Dans cet article, les infrastructures financi√®res augmentent l'efficacit√© du secteur bancaire: elles diminuent le pouvoir de march√© des interm√©diaires financiers (provenant de co√Ľts de transactions et d'une diff√©rentiation spatiale horizontale), elles diminuent le co√Ľt du capital, augmentent le nombre de d√©posants et le montant total de l'√©pargne collect√©e par les banques. Ces facteurs augmentent le taux de croissance et peuvent permettre √† des pays de sortir d'un pi√®g...

  13. Res√ļmenes de los trabajos sobre las Enfermedades Neuromusculares

    OpenAIRE

    Congreso Nacional de Neurología

    2010-01-01

    Las enfermedades neuromusculares constituyen un conjunto de afectaciones que afectan las neuronas motoras perif√©rica, las v√≠as motoras eferentes o los efectores (m√ļsculos esquel√©ticos). Sus manifestaciones cl√≠nicas son muy variadas y dependen de la causa y de los niveles de afectaci√≥n. En este ac√°pite se pueden encontrar los res√ļmenes de trabajos relacionados con el s√≠ndrome de Guillain Barre, polineuropat√≠a diab√©tica, Atrofia Muscular Espinal, Distrofia miot√≥nica y otros todos presentados en...

  14. Autotaxin : biochemical and functional studies

    NARCIS (Netherlands)

    Houben, Anna Jacoba Sara

    2012-01-01

    This thesis focuses on autotaxin (ATX), the main enzyme responsible for the production of lysophosphatidic acid (LPA). The ATX-LPA receptor axis has a wide implication in health and disease. The studies described in this thesis aim at characterizing the biochemical and functional properties of ATX,

  15. Serum biochemical changes accompanying prolonged ...

    African Journals Online (AJOL)

    Jane

    2010-10-18

    Oct 18, 2010 ... Toxicological evaluation of the whole fruit of Lagenaria breviflora was carried out using the serum biochemical changes accompanying prolonged administration of the ethanolic extract of the fruit in ... glucose in rats administered with the extract of 8000 mg/kg body weight increased two and half-fold.

  16. Renewables portfolio, individual preferences and social values towards RES technologies

    International Nuclear Information System (INIS)

    Kontogianni, Areti; Tourkolias, Christos; Skourtos, Michalis

    2013-01-01

    The massive deployment of renewable energy sources represents a high priority for Greece in order to comply with the Directive 2009/28/EC on the promotion of the use of energy from renewable sources by 2020. In this perspective, Aegean islands especially Lesvos, are endowed with a considerable potential of a portfolio of renewables, a fact that the entrepreneurial interest has already been targeted. However, regulatory attempts for a massive penetration of renewables do not take seriously into account preferences and risk perceptions of local communities where the proposed projects are to be installed. The aim of this study is to investigate individual preferences and social values towards specific technologies of renewables in Lesvos island. We apply an open-ended contingent valuation survey in order to analyze factors shaping public attitudes towards a portfolio of renewable technologies and estimate the economic welfare (Willingness To Pay) of the preferred technologies. We argue that such information is relevant for energy policy design and the establishment of effective measures for the promotion of renewable energy sources. - Highlights: ‚Ėļ We investigate individual preferences and attitudes towards a portfolio of RES technologies. ‚Ėļ We elicit public acceptance for investing in specific RES technologies. ‚Ėļ We analyze factors shaping public preferences of the preferred technologies. ‚Ėļ We estimate the economic welfare of the preferred technologies

  17. Res Dec 07 Final 05-12-07

    Indian Academy of Sciences (India)

    client1

    2007-12-05

    Dec 5, 2007 ... relation to biodiversity, radiation in classification, ultrastructure in cell biology, genome organiza- tion, physico‚Äďbiochemical aspects of animals, evolution of receptors, molecular genetics, global warming, biodiversity and conservation. The lectures will be supplemented by discussion and practicals.

  18. Inventaire des Plantes Mellifères du Sud Ouest Algérien | Laallam ...

    African Journals Online (AJOL)

    Cette √©tude nous a permis de mettre en √©vidence l‚Äüexistence d‚Äüune flore diversifi√©e, compos√©e de plantes cultiv√©es (cultures mara√ģch√®res et fourrag√®res ; arbres fruitiers et forestiers ; palmier dattier ‚Ķ) mais surtout d‚Äüesp√®ces spontan√©es vivaces et √©ph√©m√®res. Nous avons recens√© 66 esp√®ces mellif√®res dans les¬†...

  19. Biochemical markers of bone turnover

    International Nuclear Information System (INIS)

    Kim, Deog Yoon

    1999-01-01

    Biochemical markers of bone turnover has received increasing attention over the past few years, because of the need for sensitivity and specific tool in the clinical investigation of osteoporosis. Bone markers should be unique to bone, reflect changes of bone less, and should be correlated with radiocalcium kinetics, histomorphometry, or changes in bone mass. The markers also should be useful in monitoring treatment efficacy. Although no bone marker has been established to meet all these criteria, currently osteocalcin and pyridinium crosslinks are the most efficient markers to assess the level of bone turnover in the menopausal and senile osteoporosis. Recently, N-terminal telopeptide (NTX), C-terminal telopeptide (CTX) and bone specific alkaline phosphatase are considered as new valid markers of bone turnover. Recent data suggest that CTX and free deoxypyridinoline could predict the subsequent risk of hip fracture of elderly women. Treatment of postmenopausal women with estrogen, calcitonin and bisphosphonates demonstrated rapid decrease of the levels of bone markers that correlated with the long-term increase of bone mass. Factors such as circadian rhythms, diet, age, sex, bone mass and renal function affect the results of biochemical markers and should be appropriately adjusted whenever possible. Each biochemical markers of bone turnover may have its own specific advantages and limitations. Recent advances in research will provide more sensitive and specific assays

  20. Biochemical markers of bone turnover

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Deog Yoon [College of Medicine, Kyunghee Univ., Seoul (Korea, Republic of)

    1999-08-01

    Biochemical markers of bone turnover has received increasing attention over the past few years, because of the need for sensitivity and specific tool in the clinical investigation of osteoporosis. Bone markers should be unique to bone, reflect changes of bone less, and should be correlated with radiocalcium kinetics, histomorphometry, or changes in bone mass. The markers also should be useful in monitoring treatment efficacy. Although no bone marker has been established to meet all these criteria, currently osteocalcin and pyridinium crosslinks are the most efficient markers to assess the level of bone turnover in the menopausal and senile osteoporosis. Recently, N-terminal telopeptide (NTX), C-terminal telopeptide (CTX) and bone specific alkaline phosphatase are considered as new valid markers of bone turnover. Recent data suggest that CTX and free deoxypyridinoline could predict the subsequent risk of hip fracture of elderly women. Treatment of postmenopausal women with estrogen, calcitonin and bisphosphonates demonstrated rapid decrease of the levels of bone markers that correlated with the long-term increase of bone mass. Factors such as circadian rhythms, diet, age, sex, bone mass and renal function affect the results of biochemical markers and should be appropriately adjusted whenever possible. Each biochemical markers of bone turnover may have its own specific advantages and limitations. Recent advances in research will provide more sensitive and specific assays.

  1. √Čcuy√®res and "doing gender"

    DEFF Research Database (Denmark)

    Hedenborg, Susanna; Pfister, Gertrud Ursula

    2012-01-01

    The purpose of this article is to analyse gender relations in equestrianism from the beginning of the 19th to the first decades of the 20th century. Focus will be on the female horse riding circus artists, the écuyères. The fact that women were circus riders at this time is interesting as in many...... parts of the world and in many epochs, horses have played a significant role in the lives of men. Traditionally men used horses in agriculture, forestry, the transport sector and in the army and a real man was a horseman. Widespread practices and, in particular, the symbolic correlation between...... masculinity and horsemanship conveys the impression that women had nothing to do with horses. This is true for many situations. The circus arena, however, seems to have been an exception as women could perform there. At the heart of the performances was not only equestrianism, but also the notion of gender...

  2. Physiological and biochemical responses of halophyte Kalidium ...

    African Journals Online (AJOL)

    In this study, the physiological and biochemical responses of a halophyte Kalidium foliatum to salinity were studied. In order to reflect salt-tolerance in K. foliatum and to analyze the physiological and biochemical mechanism for its salt tolerance, salinity threshold and biochemical parameters were studied. A halophyte ...

  3. Biochemical adaptation to ocean acidification.

    Science.gov (United States)

    Stillman, Jonathon H; Paganini, Adam W

    2015-06-01

    The change in oceanic carbonate chemistry due to increased atmospheric PCO2  has caused pH to decline in marine surface waters, a phenomenon known as ocean acidification (OA). The effects of OA on organisms have been shown to be widespread among diverse taxa from a wide range of habitats. The majority of studies of organismal response to OA are in short-term exposures to future levels of PCO2 . From such studies, much information has been gathered on plastic responses organisms may make in the future that are beneficial or harmful to fitness. Relatively few studies have examined whether organisms can adapt to negative-fitness consequences of plastic responses to OA. We outline major approaches that have been used to study the adaptive potential for organisms to OA, which include comparative studies and experimental evolution. Organisms that inhabit a range of pH environments (e.g. pH gradients at volcanic CO2 seeps or in upwelling zones) have great potential for studies that identify adaptive shifts that have occurred through evolution. Comparative studies have advanced our understanding of adaptation to OA by linking whole-organism responses with cellular mechanisms. Such optimization of function provides a link between genetic variation and adaptive evolution in tuning optimal function of rate-limiting cellular processes in different pH conditions. For example, in experimental evolution studies of organisms with short generation times (e.g. phytoplankton), hundreds of generations of growth under future conditions has resulted in fixed differences in gene expression related to acid-base regulation. However, biochemical mechanisms for adaptive responses to OA have yet to be fully characterized, and are likely to be more complex than simply changes in gene expression or protein modification. Finally, we present a hypothesis regarding an unexplored area for biochemical adaptation to ocean acidification. In this hypothesis, proteins and membranes exposed to the

  4. Barri√®res contre les ravageurs √† faible hauteur de vol dans les cultures mara√ģch√®res

    OpenAIRE

    Wyss, Eric; Daniel, Claudia

    2005-01-01

    Beaucoup des revageurs des cultures mara√ģch√®res volent tr√®s pr√®s du sol. Ils se d√©placent √† hauteur de culture ou juste au-dessus. On peut barrer √† ces ravageurs l'acc√®s √† la culture au moyen de filets verticaux, que l'on nomme barri√®res √† insectes.

  5. Res Publica seisab vastu homse arvel elamisele / Siim Männik

    Index Scriptorium Estoniae

    Männik, Siim

    2005-01-01

    Ilmunud ka: Vabariik (venek.) 30. august lk. 1. Res Publica koostab praegu kohalikeks valimisteks nimekirju. Erakond ei plaani korraldada mitte √ľhte √ľleriigilist valimiskampaaniat, vaid 120 kohalikku kampaaniat, peale selle on kavas √ľleriigiline n.-√∂. foonikampaania. Lisa: Miks valida Res Publica? Vt. samas: Sisevalimised 1.-3. septembrini

  6. Res Publica Ida-Viru piirkond valis uue juhatuse / Erik Gamzejev

    Index Scriptorium Estoniae

    Gamzejev, Erik, 1967-

    2002-01-01

    Ilmunud ka: Severnoje Poberezhje 4. dets. lk. 1. Res Publica Ida-Viru piirkonna √ľldkogul valiti uus juhatus, Vladimir Sarantsevi s√Ķnul oli koosolek enamiku Kohtla-J√§rve osakonna liikmete arvates √Ķigust√ľhine. Res Publica peasekret√§ri T√Ķnis Konsi kommentaare

  7. Ühendpartei Res Publica tiib oli häältekogumisel Isamaast pisut edukam

    Index Scriptorium Estoniae

    2007-01-01

    √úhenderakonna Res Publica tiiva kandidaadid said Riigikogu valimistel umbes tuhat h√§√§lt rohkem kui Isamaaliidu tiiva kandidaadid, samas oli IRL-i valimisnimekirjas Res Publica tiiva kandidaate ka m√Ķne inimese v√Ķrra rohkem. Isamaaliidu edukaimad h√§√§letoojad

  8. Res Publica lihtliikmed t√Ķrjuvad Veskim√§ge / Tuuli Koch

    Index Scriptorium Estoniae

    Koch, Tuuli

    2006-01-01

    Ilmunud ka: Pärnu Postimees 17. okt. lk. 6. Isamaa ja Res Publica liidu peaministrikandidaadiks sai Mart Laar, kuid pinged erakondade sees kestavad edasi. Res Publica opositsioon toetab isamaaliitlast Mart Laari ja on Taavi Veskimäe vastu. Lisa: Otsitakse peaministrit

  9. Presidendilossis pidutses ka √ľks Res Publica liige / Kadri Jakobson

    Index Scriptorium Estoniae

    Jakobson, Kadri, 1970-

    2006-01-01

    SL √ēhtulehele presidendilossis toimunud noortepidudest r√§√§kinud neiu on Res Publica liige, kuid tema s√Ķnul pole tema parteiline kuuluvus pidudega seotud. Arvamust avaldavad Res Publica juhatuse liige Andreas Kaju, erakonna esimees Taavi Veskim√§gi, ERL-i pressiesindaja Agu Uudelepp jt.

  10. Res Publica mängis topeltmängu / Risto Berendson

    Index Scriptorium Estoniae

    Berendson, Risto, 1975-

    2005-01-01

    Res Publica j√§tkab koost√∂√∂d Tallinna linnavalitsuses Reformierakonnaga. Tallinna linnapea T√Ķnis Paltsi s√Ķnul oli paralleelsete l√§bir√§√§kimiste pidamine Keskerakonna ja Reformierakonnaga Res Publica Tallinna piirkonna juhatuse valitud taktika. Kommenteerib Jaanus Piirsalu

  11. Res Publica k√Ķrvaldas m√§ssaja / Kristjan Roos

    Index Scriptorium Estoniae

    Roos, Kristjan, 1978-

    2005-01-01

    Tallinna linnavolikogu Res Publica fraktsiooni juhi kohalt, Res Publica Tallinna piirkonna juhatusest ja erakonna eestseisusest end taandanud Toomas Tautsi s√Ķnul esitati talle erakonna eestseisuses mitmeid s√ľ√ľdistusi, mis kokkuv√Ķtvalt olid etteheited tema vastuseisule v√Ķimalikule koalitsioonile Keskerakonnaga. Lisa: Abilinnapeadeks saavad Promm, Reivik ja Pevkur

  12. Epidemiology of Chronic Wasting Disease: PrP(res) Detection, Shedding, and Environmental Contamination

    National Research Council Canada - National Science Library

    Williams, Elizabeth S; Miller, Michael W; Lewis, Randolf V; Raisbeck, Merl F; Cook, Walter W

    2004-01-01

    .... The specific goals of these studies are to develop sensitive as says for PrP(exp res) as a marker for infectivity, and use these techniques to monitor the dynamics and modes of shedding of PrP(exp res...

  13. 78 FR 54669 - Draft Environmental Impact Statement for the Proposed RES Americas Moapa Solar Energy Center...

    Science.gov (United States)

    2013-09-05

    ... Environmental Impact Statement for the Proposed RES Americas Moapa Solar Energy Center, Clark County, Nevada... environmental impact statement (DEIS) for the proposed RES Americas Moapa Solar Energy Center on the Moapa River... Progress and on the following Web site: www.MoapaSolarEnergyCenterEIS.com . In order to be fully considered...

  14. Les dynamiques transfrontalières en Afrique de l'Ouest : Analyse ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    Ouest (CSAO / OCDE) et la Direction Nationale des Frontières du Mali (DNF), de l'initiative Frontières et Intégrations en Afrique de ... In Africa as elsewhere, the past decade has seen rapid growth in the private security industry.

  15. The Fundamentals Principle Of Legal Certaintly And Equality, And Inovations, Of Res Judicate On New Civil Procedure Code

    Directory of Open Access Journals (Sweden)

    Ailene de Oliveira Figueiredo

    2016-12-01

    Full Text Available The fundamental principles of legal certainty and equality. Conceptand legal nature of res judicata. Elements of the constitutional construction of res judicata. The limits and mechanisms for review of res jucata. The provisional guardian shipand res judicata. The resolution incident repetitive demand sand res judicata. Changes of institute of res judicata with advent of the New Civil Procedure Code at the light of the constututional principles of equality na security. New tools provided by the new law. The constitucional foundations of procedural nature of security em contemporary litigation.

  16. Hi-Res scan mode in clinical MDCT systems: Experimental assessment of spatial resolution performance.

    Science.gov (United States)

    Cruz-Bastida, Juan P; Gomez-Cardona, Daniel; Li, Ke; Sun, Heyi; Hsieh, Jiang; Szczykutowicz, Timothy P; Chen, Guang-Hong

    2016-05-01

    The introduction of a High-Resolution (Hi-Res) scan mode and another associated option that combines Hi-Res mode with the so-called High Definition (HD) reconstruction kernels (referred to as a Hi-Res/HD mode in this paper) in some multi-detector CT (MDCT) systems offers new opportunities to increase spatial resolution for some clinical applications that demand high spatial resolution. The purpose of this work was to quantify the in-plane spatial resolution along both the radial direction and tangential direction for the Hi-Res and Hi-Res/HD scan modes at different off-center positions. A technique was introduced and validated to address the signal saturation problem encountered in the attempt to quantify spatial resolution for the Hi-Res and Hi-Res/HD scan modes. Using the proposed method, the modulation transfer functions (MTFs) of a 64-slice MDCT system (Discovery CT750 HD, GE Healthcare) equipped with both Hi-Res and Hi-Res/HD modes were measured using a metal bead at nine different off-centered positions (0-16 cm with a step size of 2 cm); at each position, both conventional scans and Hi-Res scans were performed. For each type of scan and position, 80 repeated acquisitions were performed to reduce noise induced uncertainties in the MTF measurements. A total of 15 reconstruction kernels, including eight conventional kernels and seven HD kernels, were used to reconstruct CT images of the bead. An ex vivo animal study consisting of a bone fracture model was performed to corroborate the MTF results, as the detection of this high-contrast and high frequency task is predominantly determined by spatial resolution. Images of this animal model generated by different scan modes and reconstruction kernels were qualitatively compared with the MTF results. At the centered position, the use of Hi-Res mode resulted in a slight improvement in the MTF; each HD kernel generated higher spatial resolution than its counterpart conventional kernel. However, the MTF along the

  17. Regulatory design for RES-E support mechanisms: Learning curves, market structure, and burden-sharing

    International Nuclear Information System (INIS)

    Batlle, C.; Pérez-Arriaga, I.J.; Zambrano-Barragán, P.

    2012-01-01

    Drawing from relevant experiences in power systems around the world, this paper offers a review of existing policy support mechanisms for RES-E, with a detailed analysis of their regulatory implications. While recent studies provide an account of current RES-E support systems, in this paper we focus on some of the impacts these mechanisms have on the overall energy market structure and its performance. Given the rising importance of RES-E in systems everywhere, these impacts should no longer be overlooked. - Highlights: ‚Ėļ This paper offers a critical review of RES-E support mechanisms and their regulatory implications. ‚Ėļ The discussion focuses on how the different schemes impact the performance of the energy markets. ‚Ėļ We propose to redesign of current RES-E mechanisms to optimize incentives and market performance. ‚Ėļ Our recommendation is also to gradually move from price-based mechanisms to auctions.

  18. Thermodynamic analysis of biochemical systems

    International Nuclear Information System (INIS)

    Yuan, Y.; Fan, L.T.; Shieh, J.H.

    1989-01-01

    Introduction of the concepts of the availability (or exergy), datum level materials, and the dead state has been regarded as some of the most significant recent developments in classical thermodynamics. Not only the available energy balance but also the material and energy balances of a biological system may be established in reference to the datum level materials in the dead state or environment. In this paper these concepts are illustrated with two examples of fermentation and are shown to be useful in identifying sources of thermodynamic inefficiency, thereby leading naturally to the rational definition of thermodynamic efficiency of a biochemical process

  19. Biochemical structure of Calendula officinalis.

    Science.gov (United States)

    Korakhashvili, A; Kacharava, T; Kiknavelidze, N

    2007-01-01

    Calendula officinalis is a well known medicinal herb. It is common knowledge that its medicinal properties are conditioned on biologically active complex substances of Carotin (Provitamin A), Stearin, Triterpiniod, Plavonoid, Kumarin, macro and micro compound elements. Because of constant need in raw material of Calendula officinalis, features of its ontogenetic development agro-biological qualities in various eco regions of Georgia were investigated. The data of biologically active compounds, biochemical structure and the maintenance both in flowers and in others parts of plant is presented; the pharmacological activity and importance in medicine was reviewed.

  20. Enzyme and biochemical producing fungi

    DEFF Research Database (Denmark)

    L√ľbeck, Peter Stephensen; L√ľbeck, Mette; Nilsson, Lena

    2010-01-01

    We are developing a biorefinery concept for biological production of chemicals, drugs, feed and fuels using plant biomass as raw material in well-defined cell-factories. Among the important goals is the discovery of new biocatalysts for production of enzymes, biochemicals and fuels and already our...... screening of a large collection of fungal strains isolated from natural habitats have resulted in identification of strains with high production of hydrolytic enzymes and excretion of organic acids. Our research focuses on creating a fungal platform based on synthetic biology for developing new cell...

  1. Biochemical Abnormalities in Batten's Syndrome

    DEFF Research Database (Denmark)

    Clausen, Jytte Lene; Nielsen, Gunnar Gissel; Jensen, Gunde Egeskov

    1978-01-01

    The present data indicate that a group of ten patients with Batten's syndrome showed reduced activity of erythrocyte glutathione (GSH) peroxidase (Px) (glutathione: H2O2 oxidoreductase, EC 1.1.1.9.) using H2O2 as peroxide donor. Assay of erythrocyte GSHPx using H2O2, cumene hydroperoxide and t......-butyl hydroperoxide as donors also makes it possible biochemically to divide Batten's syndrome into two types: (1) one type with decreased values when H2O2 and cumene hydroperoxide are used, and (2) one type with increased values when t-butyl hydroperoxide is used. Furthermore an increased content of palmitic, oleic...

  2. Bistability in biochemical signaling models.

    Science.gov (United States)

    Sobie, Eric A

    2011-09-20

    This Teaching Resource provides lecture notes, slides, and a student assignment for a two-part lecture on the principles underlying bistability in biochemical signaling networks, which are illustrated with examples from the literature. The lectures cover analog, or graded, versus digital, all-or-none, responses in cells, with examples from different types of biological processes requiring each. Rate-balance plots are introduced as a method for determining whether generic one-variable systems exhibit one or several stable steady states. Bifurcation diagrams are presented as a more general method for detecting the presence of bistability in biochemical signaling networks. The examples include an artificial toggle switch, the lac operon in bacteria, and the mitogen-activated protein kinase cascade in both Xenopus oocytes and mammalian cells. The second part of the lecture links the concepts of bistability more closely to the mathematical tools provided by dynamical systems analysis. The examples from the first part of the lecture are analyzed with phase-plane techniques and bifurcation analysis, using the scientific programming language MATLAB. Using these programs as a template, the assignment requires the students to implement a model from the literature and analyze the stability of this model's steady states.

  3. Biochemical abnormalities in Pearson syndrome.

    Science.gov (United States)

    Crippa, Beatrice Letizia; Leon, Eyby; Calhoun, Amy; Lowichik, Amy; Pasquali, Marzia; Longo, Nicola

    2015-03-01

    Pearson marrow-pancreas syndrome is a multisystem mitochondrial disorder characterized by bone marrow failure and pancreatic insufficiency. Children who survive the severe bone marrow dysfunction in childhood develop Kearns-Sayre syndrome later in life. Here we report on four new cases with this condition and define their biochemical abnormalities. Three out of four patients presented with failure to thrive, with most of them having normal development and head size. All patients had evidence of bone marrow involvement that spontaneously improved in three out of four patients. Unique findings in our patients were acute pancreatitis (one out of four), renal Fanconi syndrome (present in all patients, but symptomatic only in one), and an unusual organic aciduria with 3-hydroxyisobutyric aciduria in one patient. Biochemical analysis indicated low levels of plasma citrulline and arginine, despite low-normal ammonia levels. Regression analysis indicated a significant correlation between each intermediate of the urea cycle and the next, except between ornithine and citrulline. This suggested that the reaction catalyzed by ornithine transcarbamylase (that converts ornithine to citrulline) might not be very efficient in patients with Pearson syndrome. In view of low-normal ammonia levels, we hypothesize that ammonia and carbamylphosphate could be diverted from the urea cycle to the synthesis of nucleotides in patients with Pearson syndrome and possibly other mitochondrial disorders. © 2015 Wiley Periodicals, Inc.

  4. Intelligent energy buildings based on RES and nanotechnology

    Energy Technology Data Exchange (ETDEWEB)

    Kaplanis, S., E-mail: kaplanis@teipat.gr; Kaplani, E. [R.E.S. Laboratory, Mechanical Engineering Dept., Technological Educational Institute of Western Greece M. Alexandrou 1, Koukouli 26 334, Patra (Greece)

    2015-12-31

    The paper presents the design features, the energy modelling and optical performance details of two pilot Intelligent Energy Buildings, (IEB). Both are evolution of the Zero Energy Building (ZEB) concept. RES innovations backed up by signal processing, simulation models and ICT tools were embedded into the building structures in order to implement a new predictive energy management concept. In addition, nano-coatings, produced by TiO2 and ITO nano-particles, were deposited on the IEB structural elements and especially on the window panes and the PV glass covers. They exhibited promising SSP values which lowered the cooling loads and increased the PV modules yield. Both pilot IEB units were equipped with an on-line dynamic hourly solar radiation prediction model, implemented by sensors and the related software to manage effectively the energy source, the loads and the storage or the backup system. The IEB energy sources covered the thermal loads via a south façade embedded in the wall and a solar roof which consists of a specially designed solar collector type, while a PV generator is part of the solar roof, like a compact BIPV in hybrid configuration to a small wind turbine.

  5. Intelligent energy buildings based on RES and nanotechnology

    Science.gov (United States)

    Kaplanis, S.; Kaplani, E.

    2015-12-01

    The paper presents the design features, the energy modelling and optical performance details of two pilot Intelligent Energy Buildings, (IEB). Both are evolution of the Zero Energy Building (ZEB) concept. RES innovations backed up by signal processing, simulation models and ICT tools were embedded into the building structures in order to implement a new predictive energy management concept. In addition, nano-coatings, produced by TiO2 and ITO nano-particles, were deposited on the IEB structural elements and especially on the window panes and the PV glass covers. They exhibited promising SSP values which lowered the cooling loads and increased the PV modules yield. Both pilot IEB units were equipped with an on-line dynamic hourly solar radiation prediction model, implemented by sensors and the related software to manage effectively the energy source, the loads and the storage or the backup system. The IEB energy sources covered the thermal loads via a south façade embedded in the wall and a solar roof which consists of a specially designed solar collector type, while a PV generator is part of the solar roof, like a compact BIPV in hybrid configuration to a small wind turbine.

  6. Les frontières de la violence au Kenya

    Directory of Open Access Journals (Sweden)

    Claire Médard

    2008-03-01

    Full Text Available Au cours des violences post électorales récentes, au Kenya, de nombreux observateurs ont été surpris par la forme prise par les protestations partisanes. Elle nous rappelle que la fabrique territoriale de l’ethnicité est toujours d’actualité dans ce pays. La réactivation de frontières internes qui portent la marque des violences du passé, certaines héritées de la colonisation et d’autres renégociées depuis l’indépendance, ont mis en péril l’Etat.During the recent post electoral crisis in Kenya, the turn of the protest took many by surprise. We were reminded that the making of ethnicity is on ongoing process in which violence plays a part. New boundaries have appeared, re-enacting old divisions and creating new rifts. Once the mark of administration, internal boundaries now threaten the existence of the State.

  7. Persone e cose: res communes omnium: prospettive sistematiche tra diritto romano e tradizione romanistica

    OpenAIRE

    Sini, Francesco

    2008-01-01

    Sommario: 1. La summa divisio rerum di Marciano e dell‚ÄôImperatore Giustiniano: res e forme di appartenenza tra universalismo e particolarismo giuridico. ‚Äď 2. Res communes omnium nel Diritto romano (aria, acqua, mare e litora maris). ‚Äď 3. Brevi cenni alle vicende storiche della categoria res communes omnium. ‚Äď 4. Le res publicae. ‚Äď 5. Diritto romano nella Sardegna medioevale e moderna. ‚Äď 6. Uomini e forme comunitarie di appartenenza della terra nel diritto e nella storia del Popolo Sardo. ‚Äď 7....

  8. Res Publica jäi järjekordselt ilma mitmest nimekast liikmest / Tuuli Koch, Kärt Anvelt

    Index Scriptorium Estoniae

    Koch, Tuuli

    2005-01-01

    Oma lahkumiset Res Publicast teatasid erakonna esimene esimees Rein Taagepera, tema abikaasa Mare Taagepera, akadeemik Jaan Einasto ja 2002. aastal erakonna esimeheks kandideerinud Lauri Aasp√Ķllu. Rein Taagepera p√Ķhjendas otsust Res Publica liikumisega paremtsentrist parem√§√§rmusse. Lisa: Tuntud inimesi, kes seni Res Publicast lahkunud. Vt. samas l√ľhiintervjuud Jaan Einastoga: Res Publica peab tegema koost√∂√∂d

  9. Cloning and Biochemical Characterization of HIV Integrase

    Science.gov (United States)

    1989-12-15

    biochemical assays for the interaction of the HIV Intebration protein, IN, with a specific DNA target, the viral LTRs. The gene encoding IN has been subcloned ...FILE COPY CO CONTRACT NO.: DAMD7-88-C-8126 r TITLE: CLONING AND BIOCHEMICAL CHARACTERIZATION OF HIV INTEGRASE I- SPRINCIPAL INVESTIGATOR: ELLEN...ELEMENT No. NO. 392- NO. IACCESSION NO. 1 . TITLE (indude Security Classification)630A I315D49C08 (U) Cloning and Biochemical Characterization of the HIV

  10. Res Publicat on täna vaja rohkem kui kunagi varem / Taavi Veskimägi

    Index Scriptorium Estoniae

    Veskimägi, Taavi, 1974-

    2005-01-01

    Res Publica esimees seab erakonnale √ľlesandeks selgitada inimestele, et Res Publicat v√Ķib usaldada. Ta selgitab, et Res Publica parempoolne poliitika t√§hendab ka hoolimist nendest, kes ei saa endaga hakkama. Vt. samas: Viimased kampaaniap√§evad

  11. Biochemical adaptation of phytopathogenic fungi, Sclerotium rolfsii ...

    African Journals Online (AJOL)

    Biochemical adaptation of phytopathogenic fungi, Sclerotium rolfsii, in response to temperature stress. Natthiya Buensanteai, Kanjana Thumanu, Khanistha Kooboran, Dusit Athinuwat, Sutruedee Prathuangwong ...

  12. Biochemical Markers in Neurocritical Care

    Directory of Open Access Journals (Sweden)

    Omidvar Rezae

    2016-07-01

    Full Text Available During the past two decades, a variety of serum or cerebrospinal fluid (CSF biochemical markers in daily clinical practice have been recommended to diagnose and monitor diverse diseases or pathologic situations. It will be essential to develop a panel of biomarkers, to be suitable for evaluation of treatment efficacy, representing distinct phases of injury and recovery and consider the temporal profile of those. Among the possible and different biochemical markers, S100b appeared to fulfill many of optimized criteria of an ideal marker. S100b, a cytosolic low molecular weight dimeric calciumbinding protein from chromosome 21, synthesized in glial cells throughout the CNS, an homodimeric diffusible, belongs to a family of closely related protein, predominantly expressed by astrocytes and Schwann cells and a classic immunohistochemical marker for these cells, is implicated in brain development and neurophysiology. Of the 3 isoforms of S-100, the BB subunit (S100B is present in high concentrations in central and peripheral glial and Schwann cells, Langerhans and anterior pituitary cells, fat, muscle, and bone marrow tissues. The biomarker has shown to be a sensitive marker of clinical and subclinical cerebral damage, such as stroke, traumatic brain injury, and spinal cord injury. Increasing evidence suggests that the biomarker plays a double function as an intracellular regulator and an extracellular signal of the CNS. S100b is found in the cytoplasm in a soluble form and also is associated with intracellular membranes, centrosomes, microtubules, and type III intermediate filaments. Their genomic organization now is known, and many of their target proteins have been identified, although the mechanisms of regulating S100b secretion are not completely understood and appear to be related to many factors, such as the proinflammatory cytokines, tumor necrosis factor alpha (TNF-a, interleukin (IL-1b, and metabolic stress. 

  13. Dynamique de fréquentation des grands mammifères dans une ...

    African Journals Online (AJOL)

    SARAH

    31 juil. 2016 ... R√ČSUM√Č. Objectifs : Dans le but de connaitre les animaux fr√©quentant les clairi√®res (ou Ba√Į) foresti√®res au Gabon, une √©tude sur la fr√©quentation du Ba√Į de Momba par les grands mammif√®res a √©t√© conduite durant la petite saison des pluies pendant deux mois du 19 f√©vrier au 13 mars 2012. M√©thodologie¬†...

  14. Relatório de Projeto - Gestão de Resíduos Hospitalares

    OpenAIRE

    Martins, Daniela

    2015-01-01

    Devido √† natureza, diversidade e perigosidade dos res√≠duos hospitalares (RH) √© necess√°rio adotar procedimentos espec√≠ficos na sua gest√£o. A exist√™ncia deste tipo de res√≠duos acarreta um importante problema de sa√ļde p√ļblica e ambiental devido aos perigos potenciais de contamina√ß√£o qu√≠mica e biol√≥gica. Este facto conduziu ao aumento das preocupa√ß√Ķes com os cuidados a ter com os res√≠duos hospitalares, pondo em pr√°tica opera√ß√Ķes da gest√£o de res√≠duos de forma a prevenir ou reduzir a produ√ß√£o d...

  15. Res Publica ja Isamaaliit √ľhendavad j√Ķud / Urmo K√ľbar, Rauno Veri

    Index Scriptorium Estoniae

    K√ľbar, Urmo, 1978-

    2006-01-01

    Res Publica esimees Taavi Veskim√§gi ja Isamaaliidu esimees T√Ķnis Lukas kirjutasid alla √ľhiste kavatsuste deklaratsioonile, milles nad teevad ettepaneku moodustada √ľhine erakond. Lisad: Erakonna Eesti Eest deklaratsioon; L√ľhi√ľlevaade ajaloost

  16. Res Publica √ľldkogu h√§√§letab poliitilisi resolutsioone / Lauri Tankler

    Index Scriptorium Estoniae

    Tankler, Lauri

    2004-01-01

    Res Publica √ľldkogul h√§√§letusele pandavate resolutsioonide eesm√§rgiks on teavitada avalikkust erakonna seisukohtadest. Olulisemad resolutsioonid on ette valmistatud ideoloogia, majanduse, hariduse ja sotsiaalpoliitika valdkonnas

  17. Isamaaliit t√ľhistab paljud Res Publica teod / Kai Kalamees

    Index Scriptorium Estoniae

    Kalamees, Kai

    2006-01-01

    Isamaaliidu esimehe T√Ķnis Lukas peab vajalikuks kohtunike ja politseinike parteistumist soodustava seaduses√§tte t√ľhistamist. Isamaaliit ja Res Publica on eri meelt presidendi valimiskorra k√ľsimuses. Lisa: Reiljan: 2007. aastal v√Ķidavad vasakparteid

  18. Languses Res Publica otsib kohalike valimiste eel uusi partnereid / Tuuli Koch

    Index Scriptorium Estoniae

    Koch, Tuuli

    2005-01-01

    Res Publica otsib koost√∂√∂v√Ķimalusi teiste erakondadega, et v√Ķita valitsusliidu kaaslast Reformierakonda suuremates linnades s√ľgisestel kohalikel valimistel. Lisa: Ripakil saadikud Reformierakonda?

  19. Isamaaliit ja Res Publica sammuvad edasi käsikäes / Hannes Krause

    Index Scriptorium Estoniae

    Krause, Hannes

    2006-01-01

    Isamaaliit ja Res Publica kiitsid P√§rnus toimunud suurkogudel erakondade √ľhinemise heaks, j√§tkub t√∂√∂ programmiga ning √ľhise peaministrikandidaadi leidmine. Lisa: V√§ljakutse: peaministrikandidaat

  20. RES-E Support Policies In The Baltic States: Development Aspect (Part I

    Directory of Open Access Journals (Sweden)

    Bobinaite V.

    2015-02-01

    Full Text Available Despite quite similar conditions (natural resources for electricity production from renewable energy sources (RES-E in three Baltic States (Estonia, Latvia and Lithuania, significant differences exist in these countries as to the RES-E production volume. In Latvia this volume is the highest, while in Estonia and Lithuania it is half as high. One of the factors that determine the RES-E production volumes is support policies, which in the Baltic States are different. The main objective of this work was to analyze and compare these support policies. The results have shown that for rapid RES-E development the most effective policy is to be market-oriented (as in Estonia, whereas for more stable development such policy should be producer-oriented (as in Lithuania.

  1. S. Res. 445: Senate Committee Reorganization for Homeland Security and Intelligence Matters

    National Research Council Canada - National Science Library

    Rundquist, Paul S; Davis, Christopher M

    2004-01-01

    .... Following four days of debate and amendment, on October 9, 2004, the Senate passed S.Res. 445, a resolution that implemented a number of the working group's suggestions regarding Senate Committee reorganization...

  2. Res Publica tahab muuta Riigikogu kuluh√ľvitiste s√ľsteemi / Alari Rammo

    Index Scriptorium Estoniae

    Rammo, Alari

    2003-01-01

    Riigikogu Res Publica fraktsiooni ettepanekutest reformida Riigikogu liikmetele ette n√§htud kuluh√ľvitiste s√ľsteemi. Tabel: Kasutatud kuluh√ľvitised seisuga 15. oktoober 2003. Kommenteerib Urmo K√ľbar

  3. immunological arthritis Prevalence of biochemical and abnormalities ...

    African Journals Online (AJOL)

    1991-02-02

    Feb 2, 1991 ... Tile prevalence of biochemical and immunological abnormali- ties was studied in a group of 256 patients with rheumatoid arthritis (104 coloureds, 100 whites and 52 blacks). The most common biochemical abnormalities detected were a reduction in the serum creatinine value (43,4%), raised globulins (39 ...

  4. Prevalence of biochemical and immunological abnormalities in ...

    African Journals Online (AJOL)

    Tile prevalence of biochemical and immunological abnormalities was studied in a group of 256 patients with rheumatoid arthritis (104 coloureds, 100 whites and 52 blacks). The most common biochemical abnormalities detected were a reduction in the serum creatinine value (43,4%), raised globulins (39,7%), raised serum ...

  5. Evaluation of Haematological and Biochemical Parameters of ...

    African Journals Online (AJOL)

    After 84 days of exposure, blood was collected and used in conducting haematological and biochemical analyses. Exposure of water to crude oil caused increased levels in chloride, conductivity, salinity, magnesium, biochemical oxygen demand, chemical oxygen demand, turbidity and Nitrate. The crude oil contaminated ...

  6. Serum Biochemical Phenotypes in the Domestic Dog.

    Directory of Open Access Journals (Sweden)

    Yu-Mei Chang

    Full Text Available The serum or plasma biochemical profile is essential in the diagnosis and monitoring of systemic disease in veterinary medicine, but current reference intervals typically take no account of breed-specific differences. Breed-specific hematological phenotypes have been documented in the domestic dog, but little has been published on serum biochemical phenotypes in this species. Serum biochemical profiles of dogs in which all measurements fell within the existing reference intervals were retrieved from a large veterinary database. Serum biochemical profiles from 3045 dogs were retrieved, of which 1495 had an accompanying normal glucose concentration. Sixty pure breeds plus a mixed breed control group were represented by at least 10 individuals. All analytes, except for sodium, chloride and glucose, showed variation with age. Total protein, globulin, potassium, chloride, creatinine, cholesterol, total bilirubin, ALT, CK, amylase, and lipase varied between sexes. Neutering status significantly impacted all analytes except albumin, sodium, calcium, urea, and glucose. Principal component analysis of serum biochemical data revealed 36 pure breeds with distinctive phenotypes. Furthermore, comparative analysis identified 23 breeds with significant differences from the mixed breed group in all biochemical analytes except urea and glucose. Eighteen breeds were identified by both principal component and comparative analysis. Tentative reference intervals were generated for breeds with a distinctive phenotype identified by comparative analysis and represented by at least 120 individuals. This is the first large-scale analysis of breed-specific serum biochemical phenotypes in the domestic dog and highlights potential genetic components of biochemical traits in this species.

  7. Diversity in Biochemical Characteristics and Antibiotics Resistant ...

    African Journals Online (AJOL)

    In this study, biochemical and antibiotic susceptibility tests were carried out on one hundred and fifty poultry isolates of Escherichia coli using Microscan¬ģ Dried Gram-negative Breakpoint Combo Pannels. The microscan panel analysed bacterial isolates for 24 biochemical tests and 23 to 25 antimicrobial agents following¬†...

  8. Utilisation et gestion des pesticides en cultures mara√ģch√®res : cas de ...

    African Journals Online (AJOL)

    SARAH

    30 nov. 2017 ... Mises √† part ces deux raisons majeures, un des mara√ģchers enqu√™t√©s a √©galement √©voqu√© la grande valeur marchande des cultures mara√ģch√®res, notamment les l√©gumes fruits dont la tomate, le poivron. Tableau 2 : Principales cultures mara√ģch√®res cultiv√©es, et les principales raisons de leurs choix par les¬†...

  9. Rationales for technology-specific RES support and their relevance for German policy

    International Nuclear Information System (INIS)

    Gawel, Erik; Lehmann, Paul; Purkus, Alexandra; Söderholm, Patrik; Witte, Katherina

    2017-01-01

    In order to achieve cost-effective RES-E deployment it is often argued that technology-neutral support schemes for renewables are indispensable. Against this background, RES-E support policies making widely use of technology differentiation in remuneration settings, e.g. across the EU, are frequently criticized from a theoretical point of view. However, in this paper we provide a systematic critique of the technology neutrality concept as a foundation for designing policy support schemes in the RES-E technology field. Specifically, the main objective of the paper is to scrutinize the arguments for technology-neutrality, and discuss three conceptual arguments for why technology-specific support schemes could in fact help minimize the societal costs of reaching future RES-E targets. We also briefly address different political economy concerns, which could constrain the choice of cost-effective policy support schemes, and that have to be taken into account for economic policy advice. For empirical illustration of the key arguments we refer to the case of German RES-E policy-making. The central conclusion from this paper is that technology-specific RES-E support schemes may generate significant economic benefits, particularly if technology markets work imperfectly and in second-best policy settings with additional non-internalized market failures. - Highlights: ‚ÄĘ Three theoretical cost-effectiveness reasons for technology-specific RES-E support. ‚ÄĘ German case study to show relevance of theoretical arguments for policy-making. ‚ÄĘ Political economy constraints to technology-neutral support are demonstrated. ‚ÄĘ Technology-specific RES-E support may generate significant economic benefits.

  10. Ressources minières en Afrique : Quelle réglementation pour le ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    Ressources minières en Afrique : Quelle réglementation pour le développement ? Couverture du livre Ressources minières en Afrique : Quelle réglementation pour le développement ? Directeur(s):. Bonnie Campbell. Maison(s) d'édition: Presses de l'Université du Québec, CRDI. 6 juillet 2009. ISBN : 9782760525214.

  11. The performances of standard and ResMed masks during bag-valve-mask ventilation.

    Science.gov (United States)

    Lee, Hyoung Youn; Jeung, Kyung Woon; Lee, Byung Kook; Lee, Seung Joon; Jung, Yong Hun; Lee, Geo Sung; Min, Yong Il; Heo, Tag

    2013-01-01

    A tight mask seal is frequently difficult to obtain and maintain during single-rescuer bag-valve-mask (BVM) ventilation. The ResMed mask (Bella Vista, NSW, Australia) is a continuous-positive-airway-pressure mask (CM) designed for noninvasive ventilation. In this study, we compared the ventilation performances of a standard mask (SM) and a ResMed CM using a simulation manikin in an out-of-hospital single-rescuer BVM ventilation scenario. Thirty emergency medical technicians (EMTs) performed two 2-minute attempts to ventilate a simulation manikin using BVM ventilation, alternatively, with the SM or the ResMed CM in a randomized order. Ventilation parameters including tidal volume and peak airway pressure were measured using computer analysis software connected to the simulation manikin. Successful volume delivery was defined as delivery of 440-540 mL of tidal volume in accord with present cardiopulmonary resuscitation guidelines. BVM ventilation using the ResMed CM produced higher mean (¬Ī standard deviation) tidal volumes (452 ¬Ī 50 mL vs. 394 ¬Ī 113 mL, p = 0.014) and had a higher proportion of successful volume deliveries (65.3% vs. 26.7%, p < 0.001) than that using the SM. Peak airway pressure was higher in BVM ventilation using the ResMed CM (p = 0.035). Stomach insufflation did not occur during either method. Twenty-nine of the participants (96.7%) preferred BVM ventilation using the ResMed CM. BVM ventilations using ResMed CM resulted in a significantly higher proportion of successful volume deliveries meeting the currently recommended range of tidal volume. Clinical studies are needed to determine the value of the ResMed CM for BVM ventilation.

  12. Isamaa ja Res Publica liit t√Ķotab neile k√Ķrget kohta edetabelis / Rasmus Kagge

    Index Scriptorium Estoniae

    Kagge, Rasmus, 1977-

    2006-01-01

    Ilmunud ka: Postimees : na russkom jaz√Ķke 10. apr. lk. 7. TNS Emori m√§rtsikuu erakondade populaarsusuuringu tulemused n√§itavad, et Res Publicaga liituda otsustanud Isamaaliit on t√Ķusnud poliitedetabelis kolmandale kohale. Res Publica reiting on endiselt madal, edetabelit juhib Keskerakond. Diagrammid: Isamaaliit kogub toetajaid t√Ķusvas tempos. Vt. samas: √úhendpartei Eesti Eest! otsib endale uut nime

  13. Inventaire floristique et écologie des algues des rivières Kambo et ...

    African Journals Online (AJOL)

    L'objectif général de l'étude est de contribuer à la connaissance des algues des rivières Kambo et Longmayagui de Douala. Les objectifs spécifiques ont consisté à mesurer les paramètres physico-chimiques des rivières, de faire les inventaires des algues et d'en dégager les variations spatio-temporelles en relation avec ...

  14. Aerosol reduction/expansion synthesis (A-RES) for zero valent metal particles

    Science.gov (United States)

    Leseman, Zayd; Luhrs, Claudia; Phillips, Jonathan; Soliman, Haytham

    2016-04-12

    Various embodiments provide methods of forming zero valent metal particles using an aerosol-reductive/expansion synthesis (A-RES) process. In one embodiment, an aerosol stream including metal precursor compound(s) and chemical agent(s) that produces reducing gases upon thermal decomposition can be introduced into a heated inert atmosphere of a RES reactor to form zero valent metal particles corresponding to metals used for the metal precursor compound(s).

  15. Biossorção de azul de metileno utilizando resíduos agroindustriais

    Directory of Open Access Journals (Sweden)

    Andressa C. Honorato

    2015-07-01

    Full Text Available O presente trabalho avaliou a capacidade de adsor√ß√£o do corante azul de metileno nos res√≠duos da palha de milho e da bainha do palmito pupunha in natura. A caracteriza√ß√£o dos res√≠duos foi determinada utilizando-se a microscopia eletr√īnica de varredura e espectroscopia na regi√£o do infravermelho a qual indicou a presen√ßa de grupos carbox√≠licos, hidroxila e carbonila. O tempo necess√°rio para que o sistema atingisse o equil√≠brio para ambos os res√≠duos foi de 240 min, seguindo uma cin√©tica descrita pelo modelo de pseudo-segunda ordem. A capacidade m√°xima de adsor√ß√£o foi de 102,8 mg g-1 para o res√≠duo da palha de milho, seguindo o modelo de isoterma de Langmuir e 50,9 mg g-1 para o res√≠duo de palmito pupunha, sendo que o modelo que melhor se ajusta foi Freundlich. Desta forma, esses res√≠duos s√£o promissores para a adsor√ß√£o do corante azul de metileno em efluentes.

  16. Mastery of Content Representation (CoRes) Related TPACK High School Biology Teacher

    Science.gov (United States)

    Nasution, W. R.; Sriyati, S.; Riandi, R.; Safitri, M.

    2017-09-01

    The purpose of this study was to determine the mastery of Content Representation (CoRes) teachers related to the integration of technology and pedagogy in teaching Biology (TPACK). This research uses a descriptive method. The data were taken using instruments CoRes as the primary data and semi-structured interviews as supporting data. The subjects were biology teacher in class X MIA from four schools in Bandung. Teachers raised CoRes was analyzed using a scoring rubric CoRes with coding 1-3 then categorized into a group of upper, middle, or lower. The results showed that the two teachers in the lower category. This results means that the control of teachers in defining the essential concept in the CoRes has not been detailed and specific. Meanwhile, two other teachers were in the middle category. This means that the ability of teachers to determine the essential concepts in the CoRes are still inadequate so that still needs to be improved.

  17. Organic and biochemical synthesis group

    International Nuclear Information System (INIS)

    Anon.

    1976-01-01

    Stable isotopes, because of their unique properties and non-radioactive nature, have great potential for many fields of science and technology. In particular, isotopes of carbon, nitrogen, oxygen, and sulfur (the basic building blocks of all biological molecules) would be widely used in biomedical and environmental research if they were economically available in sufficient quantities and in the required chemical forms. The major objective of our program continues to be stimulation of the widespread utilization of stable isotopes and commercial involvement through development and demonstration of applications which have potential requirements for large quantities of isotopes. Thus, demand will be created which is necessary for large-scale production of stable isotopes and labeled compounds and concomitant low unit costs. The program continues to produce a variety of labeled materials needed for clinical, biomedical, chemical, and environmental applications which serve as effective demonstrations of unique and advantageous utilization of stable isotopes. Future commercial involvement should benefit, and is a consideration in our research and development, from the technology transfer that can readily be made as a result of our organic and biochemical syntheses and also of various techniques involved in applications

  18. Daily marathon running for a week-the biochemical and body compositional effects of participation

    DEFF Research Database (Denmark)

    Karstoft, Kristian; Solomon, Thomas; Laye, Matthew J

    2013-01-01

    effects were observed. The homeostasis model assessment of insulin resistance decreased markedly, and an improved lipid profile was found. A decrease in fat mass and increase in lean body mass was observed, resulting in no overall weight changes. In summary, the race did not cause any major adverse......Karstoft, K, Solomon, TP, Laye, MJ, and Pedersen, BK. Daily marathon running for a week-The biochemical and body compositional effects of participation. J Strength Cond Res 27(11): 2927-2933, 2013-Although long-distance running, such as ultramarathons and multistage races, is increasingly popular......, it maybe potentially harmful to health, despite sparse evidence. We studied 8 experienced recreational runners participating in a multiple-marathon running event in which 7 marathons were completed on consecutive days. Fasting blood chemistry and body composition were assessed before and 20-24 hours after...

  19. Benefits of the HiRes 120 coding strategy combined with the Harmony processor in an adult European multicentre study.

    Science.gov (United States)

    B√ľchner, Andreas; Lenarz, Thomas; Boermans, Peter-Paul; Frijns, Johan H M; Mancini, Patrizia; Filipo, Roberto; Fielden, Claire; Cooper, Huw; Ekl√∂f, Martin; Freijd, Anders; Lombaard, Suryn; Meerton, Leah; Pickerill, Margaret; Vanat, Zebunnisa; Wesarg, Thomas; Aschendorff, Antje; Kienast, Barbara; Boyle, Patrick; Arnold, Laure; Meyer, Bernard; Sterkers, Olivier; M√ľller-Deile, Joachim; Ambrosch, Petra; Helbig, Silke; Frachet, Bruno; Gallego, St√©phane; Truy, Eric; Jeffs, Ellen; Morant, Antonio; Marco, Jaime

    2012-02-01

    The Harmony processor was found to be reliable, comfortable and offered a substantially increased battery life compared with the previous generation processor. No significant improvement in speech understanding with HiRes was demonstrated from objective measures, but the majority of subjects showed a clear subjective preference for the combination HiRes 120/Harmony processor. To evaluate experience with the Harmony‚ĄĘ sound processor, together with the HiRes 120 strategy. Postlingually deafened adults implanted with a CII or HiRes 90K were included and divided into three groups: (1) experienced users using the Platinum body-worn processor; (2) experienced users who had been using other processors; (3) new users with the Harmony processor from first fitting. The latter group entered a randomized crossover protocol where half were initially fitted with HiRes and half with HiRes 120. The initial strategy was used for 3 months and the alternative for a further 3 months. Speech perception tests and questionnaires were performed. The study included 65 subjects. Implementing HiRes 120 was straightforward. The speech test group results did not show significant differences between HiRes and HiRes 120. However, the questionnaires showed significantly higher ratings for HiRes 120 in some instances. Subjects were highly satisfied with the Harmony processor.

  20. Blocking Blood Supply to Breast Carcinoma With a DNA Vaccine Encoding VEGF Receptor-2

    Science.gov (United States)

    2006-03-01

    vaccination: an update. Methods Mol Med 2003;87:377‚Äď90. 14. Ambrosini G, Adida C, Altieri DC. A novel anti- apoptosis gene, survivin, expressed in cancer...endothelial cells. Biochem Biophys Res Commun 1999;264:781‚Äď8. 26. O‚ÄôConnor DS, Schechner JS, Adida C, et al. Control of apoptosis during angiogenesis by...minigene DNA vaccine protects mice from tumors of different origins by inducing a T cell-mediated suppression of tumor angiogenesis. From the Department of

  1. Unbiased Combinatorial Genomic Approaches to Identify Alternative Therapeutic Targets within the TSC Signaling Network

    Science.gov (United States)

    2015-09-01

    double strand breaks in Escherichia coli DNA. Biochem Biophys Res Commun 93, 1110-1113 (1980); published online EpubApr 29 ( 59. M. R. Koelle, W. S...round of PCR amplification using Precision Melt Supermix (Bio-Rad) and nested primers to generate a product bp in length (95¬įC 3min, 50 rounds of [95...analyzed using HRMAnalyzer, available at www.flyrnai.org/HRMA. See Table S6 for primer sequences. Sequence verification of clones Genomic DNA was

  2. Molecular cloning and genomic organization of a second probable allatostatin receptor from Drosophila melanogaster

    DEFF Research Database (Denmark)

    Lenz, C; Williamson, M; Grimmelikhuijzen, C J

    2000-01-01

    We (C. Lenz et al. (2000) Biochem. Biophys. Res. Commun. 269, 91-96) and others (N. Birg√ľl et al. (1999) EMBO J. 18, 5892-5900) have recently cloned a Drosophila receptor that was structurally related to the mammalian galanin receptors, but turned out to be a receptor for a Drosophila peptide...... with a Drosophila genomic database clone that contained a DNA sequence coding for a protein having, again, structural similarities with the rat galanin receptors. Using PCR with primers coding for the presumed exons of this second Drosophila receptor gene, 5'- and 3'-RACE, and Drosophila cDNA as template, we...

  3. Biochemical features of genetic Creutzfeldt-Jakob disease with valine-to-isoleucine substitution at codon 180 on the prion protein gene.

    Science.gov (United States)

    Ito, Yoko; Sanjo, Nobuo; Hizume, Masaki; Kobayashi, Atsushi; Ohgami, Tetsuya; Satoh, Katsuya; Hamaguchi, Tsuyoshi; Yamada, Masahito; Kitamoto, Tetsuyuki; Mizusawa, Hidehiro; Yokota, Takanori

    2018-02-19

    Valine-to-isoleucine substitution at codon 180 of the prion protein gene is only observed in patients with Creutzfeldt-Jakob disease and accounts for approximately half of all cases of genetic prion disease in Japan. In the present study, we investigated the biochemical characteristics of valine-to-isoleucine substitution at codon 180 in the prion protein gene, using samples obtained from the autopsied brains of seven patients with genetic Creutzfeldt-Jakob disease exhibiting this mutation (diagnoses confirmed via neuropathological examination). Among these patients, we observed an absence of diglycosylated and monoglycosylated forms of PrP res at codon 181. Our findings further indicated that the abnormal prion proteins were composed of at least three components, although smaller carboxyl-terminal fragments were predominant. Western blot analyses revealed large amounts of PrP res in the cerebral neocortices, where neuropathological examination revealed marked spongiosis. Relatively smaller amounts of PrP res were detected in the hippocampus, where milder spongiosis was observed, than in the cerebral neocortex. These findings indicate that abnormal prion proteins in the neocortex are associated with severe toxicity, resulting in severe spongiosis. Our findings further indicate that the valine-to-isoleucine substitution is not a polymorphism, but rather an authentic pathogenic mutation associated with specific biochemical characteristics that differ from those observed in sporadic Creutzfeldt-Jakob disease. Copyright © 2018 Elsevier Inc. All rights reserved.

  4. haematological, lipid profile and other biochemical parameters

    African Journals Online (AJOL)

    hi-tech

    2006-01-01

    Jan 1, 2006 ... HAEMATOLOGICAL, LIPID PROFILE AND OTHER BIOCHEMICAL PARAMETERS IN NORMAL AND HYPERTENSIVE SUBJECTS AMONG THE ... Hypertensive individuals had significantly higher serum sodium, chloride and calcium levels but a .... exposed to urbanisation and associated changes in diet,.

  5. Biochemical and immunohistochemical characterisation of mucins in ...

    African Journals Online (AJOL)

    Biochemical and immunohistochemical characterisation of mucins in 8 cases of colonic disease - a pilot study. N Chirwa, A Mall, M Tyler, B Kavin, P Goldberg, JEJ Krige, Z Lotz, D Khan, D Govender, A Hunter ...

  6. Biochemical, haematological and morphological variations in ...

    African Journals Online (AJOL)

    Biochemical, haematological and morphological variations in juvenile Clarias gariepinus exposed to Carbendazim¬ģ fungicide. ... protein levels and neutrophil numbers. Consequently, the use and environmental concentrations of CBZ should be closely monitored to safeguard fish health condition in aquatic ecosystems.

  7. Morphological, physiological and biochemical studies on Pyricularia ...

    African Journals Online (AJOL)

    SARAH

    2014-02-28

    Magnaporthe grisea) causes significant yield loss in Ethiopia. This study was conducted to isolate, identify and characterize the pathogen (using morphological, physiological and biochemical methods). Methodology and ...

  8. Raman spectroscopic biochemical mapping of tissues

    Science.gov (United States)

    Stone, Nicholas; Hart Prieto, Maria C.; Kendall, Catherine A.; Shetty, Geeta; Barr, Hugh

    2006-02-01

    Advances in technologies have brought us closer to routine spectroscopic diagnosis of early malignant disease. However, there is still a poor understanding of the carcinogenesis process. For example it is not known whether many cancers follow a logical sequence from dysplasia, to carcinoma in situ, to invasion. Biochemical tissue changes, triggered by genetic mutations, precede morphological and structural changes. These can be probed using Raman or FTIR microspectroscopy and the spectra analysed for biochemical constituents. Local microscopic distribution of various constituents can then be visualised. Raman mapping has been performed on a number of tissues including oesophagus, breast, bladder and prostate. The biochemical constituents have been calculated at each point using basis spectra and least squares analysis. The residual of the least squares fit indicates any unfit spectral components. The biochemical distribution will be compared with the defined histopathological boundaries. The distribution of nucleic acids, glycogen, actin, collagen I, III, IV, lipids and others appear to follow expected patterns.

  9. A Program on Biochemical and Biomedical Engineering.

    Science.gov (United States)

    San, Ka-Yiu; McIntire, Larry V.

    1989-01-01

    Presents an introduction to the Biochemical and Biomedical Engineering program at Rice University. Describes the development of the academic and enhancement programs, including organizational structure and research project titles. (YP)

  10. Short Report Biochemical derangements prior to emergency ...

    African Journals Online (AJOL)

    diagnoses frequently associated with biochemical derangement. A substantial proportion displayed clinically significant derangements in their blood tests. These derangements can result in anorexia, nausea, muscle weakness, paralytic ileus, and ...

  11. Biochemical genetics of some Indian fishes

    Digital Repository Service at National Institute of Oceanography (India)

    Menezes, M.R.; Qasim, S.Z.

    Studies on biochemical genetics of fishes, using electrophoretic methods, are relatively of recent origin. Earlier serum and eye lens protein were used to identify marine populations. This technique showed that closely related species have...

  12. [Biochemical diagnostics of fatal opium intoxication].

    Science.gov (United States)

    Papyshev, I P; Astashkina, O G; Tuchik, E S; Nikolaev, B S; Cherniaev, A L

    2013-01-01

    Biochemical diagnostics of fatal opium intoxication remains a topical problem in forensic medical science and practice. We investigated materials obtained in the course of forensic medical expertise of the cases of fatal opium intoxication. The study revealed significant differences between myoglobin levels in blood, urine, myocardium, and skeletal muscles. The proposed approach to biochemical diagnostics of fatal opium intoxication enhances the accuracy and the level of evidence of expert conclusions.

  13. Low-Dimensional ReS2/C Composite as Effective Hydrodesulfurization Catalyst

    Directory of Open Access Journals (Sweden)

    Juan Antonio Aliaga

    2017-12-01

    Full Text Available Single-layer, ultrasmall ReS2 nanoplates embedded in amorphous carbon were synthesized from a hydrothermal treatment involving ammonium perrhenate, thiourea, tetraoctylammonium bromide, and further annealing. The rhenium disulfide, obtained as a low dimensional carbon composite (ReS2/C, was tested in the hydrodesulfurization of light hydrocarbons, using 3-methylthiophene as the model molecule, and showed enhanced catalytic activity in comparison with a sulfide CoMo/ő≥-Al2O3 catalyst. The ReS2/C composite was characterized by X-ray diffraction (XRD, Raman spectroscopy, N2 adsorption‚Äďdesorption isotherms, scanning electron microscopy (SEM, scanning transmission electron microscopy (STEM, energy-dispersive X-ray spectroscopy (EDS, and X-ray photoelectron spectroscopy (XPS. The improved catalytic performance of this ReS2/C composite may be ascribed to the presence of a non-stoichiometric sulfur species (ReS2‚ąíx, the absence of stacking along the c-axis, and the ultra-small basal planes, which offer a higher proportion of structural sulfur defects at the edge of the layers, known as a critical parameter for hydrodesulfurization catalytic processes.

  14. Como realizar o correto descarte de resíduos de medicamentos?

    Directory of Open Access Journals (Sweden)

    Elda Falqueto

    Full Text Available A destina√ß√£o final dos res√≠duos de origem farmac√™utica √© tema relevante para a sa√ļde p√ļblica, devido √†s diferentes propriedades farmacol√≥gicas dos medicamentos que inevitavelmente se tornar√£o res√≠duos. Dessa forma, n√£o poder√£o mais ser utilizados e dever√£o receber um tratamento espec√≠fico. No Brasil, o correto descarte dos res√≠duos s√≥lidos de origem farmac√™utica √© normatizado tanto pelo Minist√©rio da Sa√ļde quanto pelo do Meio Ambiente, que devem fornecer instrumentos para que os atores envolvidos em atividades que geram res√≠duos dessa natureza possam dar-lhes a disposi√ß√£o final adequada. No entanto, existem dificuldades que apenas poder√£o ser superadas com a integra√ß√£o de todos os envolvidos nessa quest√£o. O objetivo deste artigo √© fazer um levantamento cr√≠tico dos instrumentos legais disponibilizados pelos √≥rg√£os reguladores, situando cada ator e suas responsabilidades para o correto descarte de res√≠duos de medicamentos, protegendo assim a sa√ļde p√ļblica e o meio ambiente.

  15. Improving Marine Ecosystem Models with Biochemical Tracers

    Science.gov (United States)

    Pethybridge, Heidi R.; Choy, C. Anela; Polovina, Jeffrey J.; Fulton, Elizabeth A.

    2018-01-01

    Empirical data on food web dynamics and predator-prey interactions underpin ecosystem models, which are increasingly used to support strategic management of marine resources. These data have traditionally derived from stomach content analysis, but new and complementary forms of ecological data are increasingly available from biochemical tracer techniques. Extensive opportunities exist to improve the empirical robustness of ecosystem models through the incorporation of biochemical tracer data and derived indices, an area that is rapidly expanding because of advances in analytical developments and sophisticated statistical techniques. Here, we explore the trophic information required by ecosystem model frameworks (species, individual, and size based) and match them to the most commonly used biochemical tracers (bulk tissue and compound-specific stable isotopes, fatty acids, and trace elements). Key quantitative parameters derived from biochemical tracers include estimates of diet composition, niche width, and trophic position. Biochemical tracers also provide powerful insight into the spatial and temporal variability of food web structure and the characterization of dominant basal and microbial food web groups. A major challenge in incorporating biochemical tracer data into ecosystem models is scale and data type mismatches, which can be overcome with greater knowledge exchange and numerical approaches that transform, integrate, and visualize data.

  16. Sabrina Cauchy, Les bouquetières-chapelières en fleurs à Paris sous l’Ancien Régime

    Directory of Open Access Journals (Sweden)

    Sabrina Cauchy

    2008-07-01

    Full Text Available Une bouqueti√®re est une femme qui ¬ę¬†fait ou agence des bouquets de fleurs naturelles¬†¬Ľ, telle est la d√©finition donn√©e par Hurtaut et Magny dans le Dictionnaire historique de la ville de Parisau XVIIIe si√®cle. Profession existant d√®s le Moyen Age sous une autre forme, les chapeli√®res de fleurs, c‚Äôest un m√©tier enti√®rement f√©minin d√©j√† ancien, bien que peu connu. Travaillant probablement pour les jardiniers, les bouqueti√®res se sont constitu√©es progressivement d‚Äôelles-m√™mes en communaut√© disti...

  17. The Response Regulator ResD Plays a Role in Metabolism of Listeria monocytogenes

    DEFF Research Database (Denmark)

    Larsen, Marianne Halberg; S√łrensen, Martine; Ingmer, Hanne

    to be transmitted to food processing plants from where it can establish and survive for extended periods of time contaminating processed food products. Recently we have identified the response regulator ResD of L. monocytogenes and showed that it is important for growth in laboratory media and for sugar uptake......Listeria monocytogenes is a serious food borne pathogenic bacterium that can cause listeriosis with high mortality rate. L. monocytogenes is commonly found in the environment particularly in association with decaying plant material.  From the environmental niche the bacterium is believed...... (Larsen et al., 2006). The aim of this study was to investigate in more detail the role of the response regulator ResD in metabolisme of Listeria monocytogenes EGD. The role of ResD was first  investigated by microarray analysis. This analysis resulted in identification of genes repressed under aerobic...

  18. Co-Compostagem de resíduos avícolas e de resíduos florestais : Um estudo na região de Viseu

    OpenAIRE

    Silva, Maria Elisabete Ferreira

    2003-01-01

    Dissertação apresentada para obtenção do grau de Mestre em Engenharia do Ambiente (ramo de Gestão e Tratamento de Resíduos Industriais), na Faculdade de Engenharia da Universidade do Porto, sob a orientação na FEUP da Profs. Doutora Olga Cristina Pastor Nunes e na Escola Superior de Tecnologia de Viseu do Prof. Doutor Luís Eugénio Teixeira de Lemos

  19. Revisiting support policies for RES-E adulthood: Towards market compatible schemes

    International Nuclear Information System (INIS)

    Huntington, Samuel C.; Rodilla, Pablo; Herrero, Ignacio; Batlle, Carlos

    2017-01-01

    The past two decades of growth in renewable energy sources of electricity (RES-E) have been largely driven by out-of-market support policies. These schemes were designed to drive deployment on the basis of specific subsidies sustained in time to allow for the larger costs as well as to limit investor risk. While these policies have proven to be effective, the way they have been designed to date has led to costly market distortions that are becoming more difficult to ignore as penetrations reach unpreceded levels. In the context of this growing concern, we provide a critical analysis of the design elements of RES-E support schemes, focusing on how they affect this trade-off between promoting and efficiently integrating RES-E. The emphasis is on the structure of the incentive payment, which in the end turns to be the cornerstone for an efficient integration. We conclude that, while needed, a well-designed and further developed capacity-based support mechanism complemented with ex-post compensations defined for reference benchmark plants, such as the mechanism currently implemented in Spain, is an alternative with good properties if the major goal is truly market integration. The approach is robust to future developments in technology cost, performance and market penetration of RES-E. - Highlights: ‚ÄĘ Market distortions due to RES support mechanisms are becoming difficult to ignore. ‚ÄĘ This paper provides a critical analysis of the design elements of RES support schemes. ‚ÄĘ The emphasis is on the structure of the incentive, key for an efficient integration. ‚ÄĘ We argue in favor of a further developed capacity-based support mechanism. ‚ÄĘ The incentive should be combined with the design of a set of reference plants.

  20. Energy and climate hand-in-hand: Financing RES-E support with carbon revenues

    International Nuclear Information System (INIS)

    Verde, Stefano F.; Pazienza, Maria Grazia

    2016-01-01

    In Italy, the cost of support for renewable electricity (RES-E) is largely recovered through the ‚ÄúA3 surcharge‚ÄĚ, which weighs heavily on electricity bills. Using household survey data, we show the A3 surcharge is markedly regressive. Carbon taxation in the non-ETS sector is envisaged as a means to reduce CO 2 emissions cost-effectively and generate revenue to lower the A3 surcharge. A non-ETS carbon tax would be less regressive than the A3 surcharge and its cost would be more evenly distributed across households. We calculate the revenue of a ‚ā¨20/tCO 2 non-ETS carbon tax would have allowed a cut in the A3 surcharge of about 68% in 2011, and 39% in 2012. The impact of the carbon tax plus the reduced A3 surcharge would have been less regressive, but the cost higher for most households. The restrictions imposed in the simulations mean the results are only appropriate to render first-round effects of the reform. Policy relevance: In the vast majority of the EU Member States, the cost of RES-E support is largely paid by electricity consumers, most often through specific surcharges. Rising electricity prices are a common concern given the implications for competitiveness and equity. The Member States facing this issue could conveniently address it through environmental tax reforms consistent with the Climate and Energy Package. Replacing RES-E surcharges with carbon taxes in the non-ETS sector would permit cost-effective reduction of CO 2 emissions while allocating the cost of RES-E support more equitably. The difference in regressivity would stem from the different consumption patterns of home fuels (including electricity) and motor fuels across income distribution. A cross-country comparison of energy household budget shares proves the structural nature of this difference between home fuels and motor fuels. Moreover, the notion that electricity consumers should pay for RES-E support is questioned on the grounds that electricity is a basic necessity good and RES

  1. Gerenciamento de resíduos industriais em Pernambuco : viabilidade técnica e ambiental

    OpenAIRE

    Costa Gadêlha, Marivan

    2005-01-01

    Este trabalho focaliza o tema Gerenciamento de Res√≠duos Industriais: Viabilidade T√©cnica e Ambiental, a partir de uma an√°lise cr√≠tica da aplicabilidade pr√°tica, de toda a legisla√ß√£o ambiental, principalmente a n√≠vel federal e estadual, relacionada √† coleta seletiva, triagem e destina√ß√£o final dos res√≠duos industriais no √Ęmbito do estado de Pernambuco. Para tanto, √© considerado e analisado o hist√≥rico da evolu√ß√£o das preocupa√ß√Ķes ambientais da atividade industrial a n√≠vel global...

  2. Diversité floristique, structure et dynamique des jachères post ...

    African Journals Online (AJOL)

    Les jach√®res post-culturales sont une composante fondamentale des paysages agraires en C√īte d'Ivoire. La succession secondaire post-culturale a √©t√© √©tudi√©e le long d'une chronos√©quence de 31 jach√®res incluses dans une matrice de for√™t dense semi-d√©cidue (for√™t de Bamo, C√īte d'Ivoire). Apr√®s analyse de la flore¬†...

  3. Gestão de resíduos sólidos em restaurante escola

    Directory of Open Access Journals (Sweden)

    Bianca Peruchin

    2013-01-01

    Full Text Available Um dos maiores problemas ambientais da atualidade √© a excessiva gera√ß√£o de res√≠duos e a sua destina√ß√£o final ambientalmente adequada. As Institui√ß√Ķes de Ensino Superior (IES s√£o importantes fontes geradoras devido √† diversidade de atividades de ensino, pesquisa e extens√£o realizadas no seu √Ęmbito. Os Restaurantes Escola (RE atendem √† comunidade acad√™mica dos campi universit√°rios, e caracterizam-se por produzir res√≠duos similares aos dom√©sticos, mas em maior quantidade. Este estudo foi realizado com o objetivo de investigar a composi√ß√£o gravim√©trica dos res√≠duos produzidos em um RE de uma IES localizada no sul do pa√≠s, bem como conhecer a situa√ß√£o atual do gerenciamento dos res√≠duos. Os dados foram obtidos atrav√©s da caracteriza√ß√£o dos res√≠duos do RE durante cinco dias, de entrevista com os gestores respons√°veis pelo estabelecimento e da observa√ß√£o direta no local. Averiguou-se a inexist√™ncia de um Plano de Gerenciamento dos Res√≠duos S√≥lidos no RE, bem como a aus√™ncia de pr√°ticas efetivas relacionadas ao manejo destes. A segrega√ß√£o dos res√≠duos √© prejudicada devido √† falta de lixeiras espec√≠ficas e a sobrecarga dos funcion√°rios quanto √†s atividades desempenhadas. Ao longo do per√≠odo experimental foram caracterizados 547,068 Kg de res√≠duos, dos quais mais de 80% corresponderam √† mat√©ria org√Ęnica. Conclui-se que o montante de res√≠duo org√Ęnico gerado pode ser destinado √† compostagem. Recomenda-se a implanta√ß√£o de uma infraestrutura adequada para o manejo dos res√≠duos, que pode ser feita atrav√©s da elabora√ß√£o e aplica√ß√£o de um plano de gest√£o integrada dos res√≠duos s√≥lidos no RE.Abstract Nowadays, the amount of waste generated and its proper final destination is one of the greatest environmental issues. Higher education institutions are an important source of waste due to the diversity of teaching, researching and extension activities performed in their facilities. The university

  4. Biochemical characterization of the phospholipase A2 purified from the venom of the Mexican beaded lizard (Heloderma horridum horridum Wiegmann).

    Science.gov (United States)

    Sosa, B P; Alagón, A C; Martin, B M; Possani, L D

    1986-05-20

    A phospholipase A2 was isolated from the venom of the mexican beaded lizard (Heloderma horridum horridum) by phenyl-Sepharose chromatography followed by Sephadex G-75 gel filtration and two additional steps on ion exchange resins (DE-32 cellulose). The affinity chromatographic method (PC-Sepharose 4B) reported for the isolation of other phospholipases [Rock, Ch. O., & Snyder, F. (1975) J. Biol. Chem. 250, 2564-2566; King, T. P., Alagon, A. C., Kwan, J., Sobotka, A. K., & Lichteinstein, L. M. (1983) Mol. Immunol. 20, 297-308; King, T. P., Kochoumian, L., & Joslyn, A. (1984) Arch. Biochem. Biophys. 230, 1-12] was uneffective for the separation of this enzyme. The monomeric form of the Heloderma phospholipase has an apparent Mr of 18 000 by sodium dodecyl sulfate-polyacrylamide gel electrophoresis and 19 060 as calculated from amino acid analysis. It also contains on the order of 7% carbohydrates per mole of enzyme. The N-terminal amino acid sequence was shown to be very different from that of phospholipases isolated from mammalian pancreas and crotalids and elapids snake venoms. The first 39 amino acid residues at the N-terminal region have 56% homology with bee venom phospholipase but differ from the bee phospholipase in that its isoelectric point is acidic (pI = 4.5), instead of basic, and it has approximately 50 amino acid residues more in the molecule. The specificity of the enzyme is mainly A2 type with possible residual B-type activity. The enzymatic activity is Ca2+-dependent. Half-cystine alignment of the Heloderma phospholipase sequence with those of other known phospholipases shows the lack of an octadecapeptide at the N-terminal region, the existence of an extra hexapeptide at positions 42-47, and an exact correspondence of Heloderma Gly-12, Gly-14, His-36, and Asp-37 with Gly-30, Gly-32, His-48, and Asp-49 from other phospholipases shown to be important for Ca2+ binding (( Dijkstra, B. W., Drenth, J., Kalk, K. H., & Vandermaalen, P. J. (1978) J. Mol. Biol

  5. Biochemical Removal of HAP Precursors From Coal

    Energy Technology Data Exchange (ETDEWEB)

    Olson, G.; Tucker, L.; Richards, J.

    1997-07-01

    This project addresses DOE`s interest in advanced concepts for controlling emissions of air toxics from coal-fired utility boilers. We are determining the feasibility of developing a biochemical process for the precombustion removal of substantial percentages of 13 inorganic hazardous air pollutant (HAP) precursors from coal. These HAP precursors are Sb, As, Be, Cd, Cr, Cl, Co, F, Pb, Hg, Mn, Ni, and Se. Although rapid physical coal cleaning is done routinely in preparation plants, biochemical processes for removal of HAP precursors from coal potentially offer advantages of deeper cleaning, more specificity, and less coal loss. Compared to chemical processes for coal cleaning, biochemical processes potentially offer lower costs and milder process conditions. Pyrite oxidizing bacteria, most notably Thiobacillusferrooxidans, are being evaluated in this project for their ability to remove HAP precursors from U.S. coals.

  6. Biochemical Removal of HAP Precursors From Coal

    International Nuclear Information System (INIS)

    Olson, G.; Tucker, L.; Richards, J.

    1997-07-01

    This project addresses DOE's interest in advanced concepts for controlling emissions of air toxics from coal-fired utility boilers. We are determining the feasibility of developing a biochemical process for the precombustion removal of substantial percentages of 13 inorganic hazardous air pollutant (HAP) precursors from coal. These HAP precursors are Sb, As, Be, Cd, Cr, Cl, Co, F, Pb, Hg, Mn, Ni, and Se. Although rapid physical coal cleaning is done routinely in preparation plants, biochemical processes for removal of HAP precursors from coal potentially offer advantages of deeper cleaning, more specificity, and less coal loss. Compared to chemical processes for coal cleaning, biochemical processes potentially offer lower costs and milder process conditions. Pyrite oxidizing bacteria, most notably Thiobacillusferrooxidans, are being evaluated in this project for their ability to remove HAP precursors from U.S. coals

  7. eQuilibrator‚ÄĒthe biochemical thermodynamics calculator

    Science.gov (United States)

    Flamholz, Avi; Noor, Elad; Bar-Even, Arren; Milo, Ron

    2012-01-01

    The laws of thermodynamics constrain the action of biochemical systems. However, thermodynamic data on biochemical compounds can be difficult to find and is cumbersome to perform calculations with manually. Even simple thermodynamic questions like ‚Äėhow much Gibbs energy is released by ATP hydrolysis at pH 5?‚Äô are complicated excessively by the search for accurate data. To address this problem, eQuilibrator couples a comprehensive and accurate database of thermodynamic properties of biochemical compounds and reactions with a simple and powerful online search and calculation interface. The web interface to eQuilibrator (http://equilibrator.weizmann.ac.il) enables easy calculation of Gibbs energies of compounds and reactions given arbitrary pH, ionic strength and metabolite concentrations. The eQuilibrator code is open-source and all thermodynamic source data are freely downloadable in standard formats. Here we describe the database characteristics and implementation and demonstrate its use. PMID:22064852

  8. Biochemical and serological properties of Streptococcus uberis.

    Science.gov (United States)

    Lämmler, C

    1991-12-01

    The Strep-Zym identification system, a combination of 23 enzymatic tests, allowed a rapid biochemical characterization of Streptococcus uberis. The biochemical profiles of the S. uberis cultures clearly differed from those of S. agalactiae and S. dysgalactiae. Serological grouping of S. uberis revealed polysaccharide antigens of groups E, G, P and U. Some cultures of S. uberis demonstrated CAMP-like synergistic hemolytic activities on sheep blood agar and reacted specifically with the lectins of Helix pomatia and Dolichos biflorus. The occurrence of group polysaccharides, CAMP-like reactivities, and the lectin agglutination reactions were obviously not related to each other or to any of the biochemical properties. These reactions, possibly of importance as virulence factors, might serve as epidemiological markers.

  9. Quantificação dos resíduos potencialmente infectantes presentes nos resíduos sólidos urbanos da regional sul de Belo Horizonte, Minas Gerais, Brasil

    OpenAIRE

    Cussiol,Noil Amorim de Menezes; Rocha,Gustavo Henrique Tetzl; Lange,Liséte Celina

    2006-01-01

    O objetivo da pesquisa foi o de conhecer a parcela de res√≠duos potencialmente infectantes ¬≠ aqueles contendo fezes, urina, sangue e fluidos corp√≥reos ¬≠ de origem domiciliar, presentes nos res√≠duos s√≥lidos urbanos. Em agosto e setembro de 2002, os res√≠duos da regi√£o Sul de Belo Horizonte foram coletados e levados ao Centro de Tratamento e Disposi√ß√£o Final de Res√≠duos S√≥lidos da BR 040, para segrega√ß√£o e quantifica√ß√£o. Os "perfurocortantes" contribu√≠ram com 0,02¬Ī0,02% dos res√≠duo...

  10. Res Publica alustas Tallinnas koostööd Keskerakonnaga / Siim Männik

    Index Scriptorium Estoniae

    Männik, Siim

    2005-01-01

    Ilmunud ka: Vabariik (venek.) 18. apr. lk. 2. Koalitsioonivahetusest Tallinnas. Linnavolikogu Res Publica fraktsiooni esimehe Andres Korgi, linnapea T√Ķnis Paltsi n√Ķuniku Jaano Martin Otsa kommentaare. Tallinna linnapea hinnangul on s√ľgisel koalitsiooni asudes seatud eesm√§rgid praeguseks peaaegu saavutatud

  11. Res Publica murrab l√§bi / Urmo K√ľbar

    Index Scriptorium Estoniae

    K√ľbar, Urmo, 1978-

    2004-01-01

    Ilmunud ka: V√Ķta V√Ķim : na russkom jaz√Ķke, 28. apr. 2004, lk. 1. 18. aprillil 2004 Tallinnas toimunud Res Publica valimiskonverentsist, kus kinnitati programm ja kandidaadid Euroopa Parlamendi valimisteks. Esinesid Urmas Reinsalu ja Juhan Parts. Vt. samas: Kust tuli 'Murrame l√§bi'?

  12. Aplikace práva ES národními soudy a res judicata

    Czech Academy of Sciences Publication Activity Database

    ҆ejvl, Michal

    2008-01-01

    Rońć. 147, ńć. 7 (2008), s. 713-737 ISSN 0231-6625 R&D Projects: GA ńĆR GA407/06/1467 Institutional research plan: CEZ:AV0Z70680506 Keywords : EC law * Application of EC law * Res judicata * National procedural autonomy Subject RIV: AG - Legal Sciences

  13. Modèles de gestion des ressources forestières du massif ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    Expérimentation Participative et Adaptative de Modèles de Gestion des Ressources Forestières dans la Chaine Montagneuse de l'Atlas (Algérie, Maroc, Tunisie) : rapport final (17 mars 2009 au 18 septembre 2012). Download PDF. Reports. Unité de transformation de cire d'abeille (Commune de M'Sara). Download PDF ...

  14. Carotenoides totais em resíduos do camarão Litopenaeus vannamei

    Directory of Open Access Journals (Sweden)

    Larissa Mont'Alverne Juc√° Seabra

    2014-02-01

    Full Text Available Considerando-se o poss√≠vel aproveitamento dos res√≠duos, provenientes do beneficiamento do camar√£o, realizouse, neste trabalho, a determina√ß√£o da concentra√ß√£o de carotenoides totais dos res√≠duos do camar√£o Litopenaeus vannamei e da farinha obtida ap√≥s secagem. As an√°lises foram realizadas nos res√≠duos in natura e na farinha rec√©mprocessada (dia 0 e aos 60, 120 e 180 dias de armazenamento sob congelamento. Os res√≠duos frescos apresentaram, no dia 0, teores de 42,74 ¬Ķg/g de carotenoides totais e, a farinha rec√©m-processada, de 98,51 ¬Ķg/g. Ap√≥s 180 dias de armazenamento, sob congelamento, os teores de carotenoides totais diminu√≠ram significativamente, quando comparados com os do dia 0 (p < 0,05.

  15. Res Publica lubas vene koolihariduse jätku / Agnes Kuus

    Index Scriptorium Estoniae

    Kuus, Agnes

    2004-01-01

    Ilmunud ka: Infopress, 1. okt. 2004, nr. 40, lk. 23. Eestis saab venekeelset haridust ka p√§rast 2007. aastat, kui venekeelsed g√ľmnaasiumid peaksid alustama √ľleminekut eesti keelele, lubas Res Publica oma laup√§evasel √ľldkogul vastuv√Ķetud resolutsioonis

  16. Hyperemesis gravidarum avec troubles ioniques sévères: à propos ...

    African Journals Online (AJOL)

    aménorrhée non traité et vu tardivement avec des troubles ioniques sévères associés à des répercussions cliniques dans un contexte de cytolyse, de cholestase et d'insuffisance rénale aigue. Ce cas a bien répondu au traitement médical.

  17. Influence de la rotation culturale avec apport de matières ...

    African Journals Online (AJOL)

    Influence de la rotation culturale avec apport de matières organiques exogènes et d'une fertilisation minérale sur les nématodes phytoparasites en culture du sorgho au Centre Ouest du Burkina Faso.

  18. Proposta de um desenho da cadeia reversa para res√≠duos eletroeletr√īnicos

    Directory of Open Access Journals (Sweden)

    Reinaldo Alves de S√° Ferreira J√ļnior

    2016-12-01

    Full Text Available Com o crescimento da demanda dos equipamentos eletroeletr√īnicos e de sua r√°pida obsolesc√™ncia, gera-se grande volume de res√≠duos, os quais possuem metais pesados altamente t√≥xicos, como o merc√ļrio, cobre, chumbo, ars√™nio, entre outros. A implanta√ß√£o da Log√≠stica Reversa (LR tem sido uma forma de gest√£o de grande sucesso, tanto no contexto internacional como nacional, e aliada a Politica Nacional de Res√≠duos S√≥lidos (PNRS tornou-se uma forma mais eficaz para o gerenciamento desses res√≠duos. Este artigo teve como objetivo, a partir da revis√£o na literatura referente √† LR, PNRS e REEE apresentar atores, atribui√ß√Ķes e processos associados, propondo, desta forma, uma estrutura geral para a cadeia de suprimentos reversa de p√≥s-consumo associada aos REEE. A principal contribui√ß√£o do artigo √© proposi√ß√£o de um desenho da cadeia reversa para res√≠duos Eletroeletr√īnicos.

  19. Médecins Sans Frontières moves to protect refugee healthcare

    African Journals Online (AJOL)

    As Médecins Sans Frontières (MSF) spurned all European Union (EU) fund ing for its projects worldwide after a series of cynical EUcountry moves to choke inward refugee flow, South African. (SA) activists in Johannesburg this June protes ted the proposed stiffening of local refugee laws. The People's Coalition Against ...

  20. Etude de la Relation entre l'abondance des grands mammifères ...

    African Journals Online (AJOL)

    ... grands mammif√®res frugivores et celle des fruits dans le Parc National de Moukalaba-Doudou, Gabon. Fred Lo√Įque Mindonga Nguelet, Christophe Roland Zinga Koumba, Jacques Fran√ßois Mavoungou, Ephrem Nzengue, Etienne Fran√ßois Akomo-Okoue, Yoshihiro Nakashima, Shun Hongo, Ghislain Wilfried Ebang Ella,¬†...

  1. Miks ma Res Publicast ära ei lähe / Siiri Sisask

    Index Scriptorium Estoniae

    Sisask, Siiri, 1968-

    2005-01-01

    Ilmunud ka: Hiiu Leht 13. september lk. 2, L√§√§ne Elu 13. september lk. 2, Meie Maa 13 september lk. 2, Koit 13 september lk. 6, Valgamaalane 15. september lk. 2, Vali Uudised 16. september lk. 2. Parlamendiliige Siiri Sisask t√Ķstab esile Res Publica saavutused

  2. Profil des métaux lourds contenus dans les plantes vivrières ...

    African Journals Online (AJOL)

    Conclusion et application des résultats: Les plantes Manihot esculenta (Sombe); Amaranthus (Lengalenga); et Psidium guajava L. (Mapela) se trouvant aux alentours des zones minières de la province du Katanga, renferment les métaux lourds. Dans la plupart des cas, ces métaux sont au delà des seuils normaux. Ce qui ...

  3. Res Publica n√Ķuab rea v√Ķimulubaduste t√§itmist / Rasmus Kagge

    Index Scriptorium Estoniae

    Kagge, Rasmus, 1977-

    2005-01-01

    Res Publica lubas koalitsioonipartneritele mitte minna koalitsioonileppe kallale, kui nad toetavad toppama j√§√§nud lubaduste t√§itmist - haridusreformi, presidendi otsevalimiste seadustamist, riigikontrollile ka omavalitsuste kontrollimiseks √Ķiguse andmist ja lapsevanema tulumaksuvaba miinimumi kahekordistamist alates pere teisest lapsest. Lisa: V√Ķimuliitlaste soovid

  4. Biochemical activity of fullerenes and related derivatives

    International Nuclear Information System (INIS)

    Huczko, A.; Lange, H.; Calko, E.

    1999-01-01

    An astonishing scientific interest, embodied in over 15000 research articles so far, has been encountered since 1985 when fullerenes were discovered. From new superconductors to a rich electrochemistry and reaction chemistry, fullerene nanostructures continue to excite the scientific world, and new findings continue at record pace. This review presents many examples of the biochemical activities of fullerenes and derivatives, e. g. cytotoxic activity, selective DNA cleavage and antiviral activity against HIV. We also present some results of our testing which show that, despite its chemical and biochemical activity, fullerene matter does not present any health hazard directly related to skin irritation and allergic risks. (author)

  5. Res Publica soovib riigikogulaste kuluh√ľvitiste korra muutmist / Siim-Valmar Kiisler ; interv. Kalle Muuli

    Index Scriptorium Estoniae

    Kiisler, Siim, 1965-

    2003-01-01

    Res Publica saadikud teevad Riigikogu juhatusele ettepaneku muuta kuluh√ľvitiste korda, teatas intervjuus Res Publica saadikur√ľhma esimees Siim-Valmar Kiisler. Kommenteerivad: Jaanus M√§nnik, Toomas Varek. Vt. samas: Riigikogu liikmete vastuseid k√ľsimustele t√∂√∂ga seotud kulude kohta: Robert Lepikson, Reet Roos, Janno Reiljan

  6. Experience of the Canary Islands in the development of insular 100% RES systems and micro-grids

    Energy Technology Data Exchange (ETDEWEB)

    Piernavieja, Gonzalo; Suarez, Salvador; Henriquez, Daniel [Instituto Tecnologico de Canarias (Canary Islands Institute of Technology - ITC), Las Palmas, Gran Canaria (Spain). RandD Div.

    2010-07-01

    Given the mentioned circumstances, conventional energy planning in the Canary Islands is a very complex task. The Regional Energy Plan PECAN (2007-2015) tries to correct the existing critical situation setting, among others, the ambitious goal of >25% electricity from RES (mostly wind) for 2015. In parallel to this conventional energy planning, outstanding initiatives in the distributed generation field are underway. ITC vision is that the Canarian Archipelago, given its particular characteristics (insular systems of different sizes, abundant RES potential -different sources-, important natural and biodiversity heritage, etc.), are a laboratory for testing and demonstrating new energy technologies in real conditions, as well as their commercial implementation. These new technologies include energy storage (particularly for excess RES that cannot be absorbed by the grids), development of 100% energy self- sufficiency models (with exclusive use of RES) and micro-/minigrids with high RES penetration and RES forecasting, including advanced ICTs and sustainable mobility concepts (e.g. V2G technologies). Given the high conventional generation costs and the relatively low RES costs (wind electricity production cost is less than 0.03 Euro/kWh), the Canary Islands could in the short term achieve grid parity, and in this sense pioneer the change to a RES based energy system. Models tested on the islands could be exported or extrapolated to our islands, regions of developing countries and even other regions in continental Europe. (orig.)

  7. Haematological And Biochemical Effects Of Sulphadimidine In ...

    African Journals Online (AJOL)

    Haematological and biochemical efects of sulphadmidine were studied in Nigerian mongrel dogs. Five Nigerian mongrel dogs of either sex weighing between 7 and 12 kg were used for the study. The pretreatment blood and serum samples were collected and the weight of animals taken before the administraton of 100 ...

  8. Haematological and biochemical responses of starter broiler ...

    African Journals Online (AJOL)

    A study was conducted to investigate the haematological and biochemical responses of starter broiler chickens fed copper and probiotics supplemented diets. A total of 180-day old Marshal broiler chicks were randomly allotted to six treatment groups of 30 birds each. The treatments were divided into three replicates of ten ...

  9. Estimation of biochemical variables using quantumbehaved particle ...

    African Journals Online (AJOL)

    Due to the difficulties in the measurement of biochemical variables in fermentation process, softsensing model based on radius basis function neural network had been established for estimating the variables. To generate a more efficient neural network estimator, we employed the previously proposed quantum-behaved ...

  10. Biochemical Markers of Joint Tissue Turnover

    DEFF Research Database (Denmark)

    Bay-Jensen, Anne-Christine; Sondergaard, Bodil Cecilie; Christiansen, Claus

    2009-01-01

    Recent disappointments in late stage developments of anti-osteoarthritic drugs have reinforced efforts to develop better biomarkers for application in both the drug development process as well as in the routine management of these patients. Here we provide a brief review of biochemical tests...

  11. EDITORIAL A CASCADE OF BIOCHEMICAL AND PHYSIOLOGICAL ...

    African Journals Online (AJOL)

    pharm-chem

    A CASCADE OF BIOCHEMICAL AND PHYSIOLOGICAL MARKERS IN PATHOLOGICAL. DISORDERS. A few years ago, a neurophysiology lecturer in the Department of Medical Physiology, University of. Nairobi, was doing ... from haemolysis of RBC is rapidly distributed into cells and excreted in kidney. It would have been.

  12. Isolation, molecular and biochemical characterization of oil ...

    African Journals Online (AJOL)

    Biochemical and physiological characterization performed on the 34 bacterial isolates, revealed the presence of oil biodegrading bacterial genera and species of Pseudomonas Acidovorans, P. aerugi-nosa, P. alcaligenes, P. fluorescens, P. cepacia, P. mallei, P. maltophilia, P. oleovorans, P. putida, P. stutzeri P. vesicularis, ...

  13. Some haematological, biochemical and zootechnical parameters of ...

    African Journals Online (AJOL)

    biochemical and zootechnical parameters of a colony of fruit eating bats (Eidolon helvum) in Morogoro region, Tanzania. A total of 50 bats were captured using hand held hooks and quickly transported to the laboratory where the various parameters were measured. Zootechnical parameters (body length, wing span and ...

  14. Biochemical Applications in the Analytical Chemistry Lab

    Science.gov (United States)

    Strong, Cynthia; Ruttencutter, Jeffrey

    2004-01-01

    An HPLC and a UV-visible spectrophotometer are identified as instruments that helps to incorporate more biologically-relevant experiments into the course, in order to increase the students understanding of selected biochemistry topics and enhances their ability to apply an analytical approach to biochemical problems. The experiment teaches…

  15. Reference Physiological Ranges for Serum Biochemical Parameters ...

    African Journals Online (AJOL)

    clinical trials and scaling up of ARV drugs among AIDS patients. ... parametric and non parametric statistics for analyses with 2.5 and 97.5 percentiles considered ..... Physiological Ranges for Plasma Biochemical Parameters among Adult Healthy Cameroonians. Urban. Rural. Males. Females. Males. Females. Parameter.

  16. Biochemical and Kinetic Characterization of Geranylgeraniol 18 ...

    African Journals Online (AJOL)

    This enzyme and its gene are an attractive target for development of plaunotol production and its detailed biochemical properties need to be understood. Recently, even though the gene (CYP97C27) coding for GGOH 18-hydroxylase has been identified, cloned, and expressed in Escherichia coli system, the enzyme activity ...

  17. Characterizing multistationarity regimes in biochemical reaction networks.

    Directory of Open Access Journals (Sweden)

    Irene Otero-Muras

    Full Text Available Switch like responses appear as common strategies in the regulation of cellular systems. Here we present a method to characterize bistable regimes in biochemical reaction networks that can be of use to both direct and reverse engineering of biological switches. In the design of a synthetic biological switch, it is important to study the capability for bistability of the underlying biochemical network structure. Chemical Reaction Network Theory (CRNT may help at this level to decide whether a given network has the capacity for multiple positive equilibria, based on their structural properties. However, in order to build a working switch, we also need to ensure that the bistability property is robust, by studying the conditions leading to the existence of two different steady states. In the reverse engineering of biological switches, knowledge collected about the bistable regimes of the underlying potential model structures can contribute at the model identification stage to a drastic reduction of the feasible region in the parameter space of search. In this work, we make use and extend previous results of the CRNT, aiming not only to discriminate whether a biochemical reaction network can exhibit multiple steady states, but also to determine the regions within the whole space of parameters capable of producing multistationarity. To that purpose we present and justify a condition on the parameters of biochemical networks for the appearance of multistationarity, and propose an efficient and reliable computational method to check its satisfaction through the parameter space.

  18. Probabilistic sensitivity analysis of biochemical reaction systems.

    Science.gov (United States)

    Zhang, Hong-Xuan; Dempsey, William P; Goutsias, John

    2009-09-07

    Sensitivity analysis is an indispensable tool for studying the robustness and fragility properties of biochemical reaction systems as well as for designing optimal approaches for selective perturbation and intervention. Deterministic sensitivity analysis techniques, using derivatives of the system response, have been extensively used in the literature. However, these techniques suffer from several drawbacks, which must be carefully considered before using them in problems of systems biology. We develop here a probabilistic approach to sensitivity analysis of biochemical reaction systems. The proposed technique employs a biophysically derived model for parameter fluctuations and, by using a recently suggested variance-based approach to sensitivity analysis [Saltelli et al., Chem. Rev. (Washington, D.C.) 105, 2811 (2005)], it leads to a powerful sensitivity analysis methodology for biochemical reaction systems. The approach presented in this paper addresses many problems associated with derivative-based sensitivity analysis techniques. Most importantly, it produces thermodynamically consistent sensitivity analysis results, can easily accommodate appreciable parameter variations, and allows for systematic investigation of high-order interaction effects. By employing a computational model of the mitogen-activated protein kinase signaling cascade, we demonstrate that our approach is well suited for sensitivity analysis of biochemical reaction systems and can produce a wealth of information about the sensitivity properties of such systems. The price to be paid, however, is a substantial increase in computational complexity over derivative-based techniques, which must be effectively addressed in order to make the proposed approach to sensitivity analysis more practical.

  19. Histopathological and biochemical disrupting effects of Escravos ...

    African Journals Online (AJOL)

    user

    2014-02-27

    Feb 27, 2014 ... The aim of this study was to investigate the histological and biochemical disrupting effects of Escravos ... rupturing or leaking of production infrastructures that are described as, “very old and lack regular ... crude oil were measured in weight on an electronic weighing balance and given orally (oral gavage) ...

  20. Structural and biochemical characterization of autotaxin

    NARCIS (Netherlands)

    Hausmann, Jens

    2013-01-01

    Autotaxin (ATX) was originally discovered as an ‚Äúautocrine motility factor‚ÄĚ from melanoma cells, more than two decades ago, but its biochemical function remained elusive. It took another decade to show that ATX functions as a lysophospholipase D that generates the lipid growth factor

  1. Biochemical and serological characterization of Escherichia coli ...

    African Journals Online (AJOL)

    This study was designed to determine the isolation rate, serotypes and biochemical profiles of E. coli from colibacillosis and dead-in-shell embryos in Zaria, Northern-Nigeria. The isolation rate of E. coli from hatcheries studied were 4.67% and 7.50% from farms of Simtu Agricultural Company and National Animal Production ...

  2. Biochemical and secondary metabolites changes under moisture ...

    African Journals Online (AJOL)

    The study showed the importance of carbohydrate and nitrogen cycle related metabolites in mediating tolerance in cassava by affecting their phenotypic expression in the plant. Keywords: Hydrothermal stress, bio-chemicals, pigments, secondary metabolites, cassava. African Journal of Biotechnology, Vol 13(31) 3173-3186 ...

  3. Growth, haematological and biochemical responses of growing ...

    African Journals Online (AJOL)

    Growth, haematological and biochemical responses of growing lambs injected. A.N.M Nour El-Din, S.Z El-Zarkouny, S.Z El-Zarkouny, H Ghobashy, H Ghobashy, E.I Abdel-Gawad, E.I Abdel-Gawad, D.J Kesler, D.J Kesler ...

  4. Reference Physiological Ranges for Serum Biochemical Parameters ...

    African Journals Online (AJOL)

    Background: A valid scientific evaluation of the efficacy of HIV vaccines or antiretroviral drugs includes measurement of changes in physiological parameters of subjects from known established baseline reference ranges. This study was designed to establish reference ranges for biochemical parameters among healthy ...

  5. Biochemical analysis of Brachystegia aurycoma harms seeds ...

    African Journals Online (AJOL)

    A biochemical analysis of Brachystegia aurycoma harm seeds was conducted. Brachystegia, of the family Leguminosae sub-family Caesalpinioidae is a timber tree whose seeds ‚Äúachi‚ÄĚ, are relished as soup condiment by the lgbo-speaking people of Nigeria. The seed were subjected to oil extraction using Soxhlet method.

  6. Haematological and Biochemical Studies on some Ruminants ...

    African Journals Online (AJOL)

    Michael Horsfall

    CHUKU, L C; *UWAKWE, A A. Department of Biochemistry, University of Port Harcourt, Rivers State, Nigeria. ABSTRACT: Haematological studies of ruminant vertebrates (cow, sheep and goat) present one acceptable method of understanding the ecological biochemical and physiological relationship between lower and ...

  7. Some hematological and biochemical parameters in smokeless ...

    African Journals Online (AJOL)

    The effect of Jharda powder (smokeless tobacco) on some hematological and biochemical parameters in consumers was investigated. Hematological parameters including hemoglobin content and white blood cell and leukocyte counts were higher in jharda powder consumers, while monocytes and basophiles counts were ...

  8. Some hematological and biochemical parameters in smokeless ...

    African Journals Online (AJOL)

    AJB SERVER

    2007-01-04

    Jan 4, 2007 ... The effect of Jharda powder (smokeless tobacco) on some hematological and biochemical parameters in consumers was investigated. Hematological parameters including hemoglobin content and white blood cell and leukocyte counts were higher in jharda powder consumers, while monocytes and.

  9. Biochemical reference values in elderly black subjects

    African Journals Online (AJOL)

    1990-09-01

    Sep 1, 1990 ... the resulting estimate of normal range. Clin Chem 1971; 17: 275-284. 13. Wooton IDO, King E]. Normal values for blood constituents: inter-hospital differences. Lancer 1953; I: 70. 14. Chen FWK, Millard PH. The effect of ageing on certain biochemical values. Mod Geriarrics 1972; 2: 92. IS. Forbes GB, Reina ...

  10. Preliminary biochemical and haematological effects of aqueous ...

    African Journals Online (AJOL)

    Some biochemical and haematological parameters were assayed in rats fed aqueous pulp suspension of hyphaene thebaica (L) mart. Sixteen white albino rats of the wistar strain weighing between 90-110g were grouped into four groups of four rats each. Group 1 served as control while groups 2, 3 and 4 were given ...

  11. Biochemical applications of FT-IR spectroscopy

    NARCIS (Netherlands)

    Pistorius, A.M.A.

    1996-01-01

    This thesis describes the use of (FT-)IR spectroscopy in general biochemical research. In chapter 3, IR spectroscopy is used in the quantitation of residual detergent after reconstitution of an integral membrane protein in a pre-defined lipid matrix. This chapter discusses the choice of the

  12. Histopathological and biochemical disrupting effects of Escravos ...

    African Journals Online (AJOL)

    The histological findings include: lymphocytic infiltration, cirrhosis, fibrosis, hemosiderin, oedema, mild tissue scaring and tissue necrosis. Thus, this result suggests that Escravos crude oil is a potential biochemical disruptor and can also affect the micro-architecture of liver and heart. Key words: Escravos crude oil, liver, ...

  13. Selected plasma biochemical parameters in improved indigenous ...

    African Journals Online (AJOL)

    This study was to assess the biochemical parameters of apparently healthy NIGERHYB pigs and comparison of age and sex related differences in these parameters. One hundred and thirty five NIGERHYB pigs (35 boar, 35 sow, 30 weaned boar piglets and 35 weaned gilt piglets) obtained from intensively managed pig ...

  14. Discordant results between biochemical and molecular transthyretin

    Indian Academy of Sciences (India)

    Discordant results between biochemical and molecular transthyretin assays: lessons learned from a unique testing algorithm at the Mayo Clinic. Honey V. Reddi Brittany C. Thomas Kurt S. Willkomm Matthew J. Ferber Kandelaria M. Rumilla Kimiyo M. Raymond John F. O'Brien W. Edward Highsmith. Research Note Volume ...

  15. 2009 Biochemical Conversion Platform Review Report

    Energy Technology Data Exchange (ETDEWEB)

    Ferrell, John [Office of Energy Efficiency and Renewable Energy (EERE), Washington, DC (United States)

    2009-12-01

    This document summarizes the recommendations and evaluations provided by an independent external panel of experts at the U.S. Department of Energy Biomass Program’s Biochemical Conversion platform review meeting, held on April 14-16, 2009, at the Sheraton Denver Downtown, Denver, Colorado.

  16. Characterization of biochemical behavior of sorghum ( Sorghum ...

    African Journals Online (AJOL)

    The aim of this research was to characterize the biochemical behavior of sorghum plants under saline stress using multivariate statistical analysis methods for efficient management of Sorghum bicolor [Moench.]). The experimental design was completely randomized design composed of three saline concentrations (0, 1.5 ...

  17. Drinking patterns: biochemical and haematological findings in ...

    African Journals Online (AJOL)

    Administrator

    drinking patterns on biochemical and haematological parameters in alcohol consumers in Ile-Ife. Conigrave et al. (1995) stated that a variety of blood tests have been used to aid the assessment of drinking history and that more recently, laboratory tests based on urine, breath and sweat analyses have been investigated.

  18. Biochemical characterization of sea buckthorn ( Hippophae ...

    African Journals Online (AJOL)

    Sea buckthorn is a valuable medicinal plant, cultivated and naturally grown in northern Pakistan. The plant produces berry with small hard seed in the centre. The seed is the source of all nutrients and phytochemcials. However, there is lack of literature regarding the biochemical and physico-chemical quality of the seed.

  19. Effects Of Ceftriaxone On Haematological And Biochemical ...

    African Journals Online (AJOL)

    Short-term effects of ceftriaxone on haematological and biochemical parameters of Nigerian local turkey poults were studied. The pre-treatment blood and serum samples were collected and the weight of animals taken before the administration of body weight for a period of 4 days. The animals were weighed daiy.

  20. Growth performance, hematological and serum biochemical ...

    African Journals Online (AJOL)

    A twelve (12) weeks feeding trial was carried out to determine the effect of varying dietary inclusions of Microdesmis puberula leaf meal (MPLM) on the growth performance, hematological indices and serum biochemical constituents of growing rabbits. Four grower rabbit diets were formulated to contain the leaf meal at ...

  1. Evaluation of Haematological and Biochemical Parameters of ...

    African Journals Online (AJOL)

    ADOWIE PERE

    Evaluation of Haematological and Biochemical Parameters of Juvenile Oreochromis niloticus after Exposure to Water Soluble Fractions of ... niloticus were evaluated. After a preliminary determination of the 96 h-LC50 of ... evaporation, dissolution, emulsion, photolysis and biodegradation which generate a water soluble.

  2. Biochemical and microstructural characteristics of meat samples ...

    African Journals Online (AJOL)

    This study was conducted to compare the efficiency of different plant proteases for changing biochemical and microstructural characteristics in muscle foods. The meat samples from chicken, giant catfish, pork and beef were treated with four types of proteolytic enzymes: Calotropis procera latex proteases, papaya latex ...

  3. Copépodes, Cladocères et Rotifères du lac Sidi M'hamed Benali (Algérie Nord-Occidentale

    Directory of Open Access Journals (Sweden)

    Mohamed Ali Bouzidi

    2010-03-01

    Full Text Available En 2008, 33 esp√®ces de Cladoc√®res, Cop√©podes et Rotif√®res ont √©t√© observ√©es dans le lac Sidi M'hamed Benali (contre 12 seulement en 1992.Les Cop√©podes dominent en mars, avril, juillet, ao√Ľt et septembre, avec respectivement des dominances (Do √©gales √†¬†: 56,6¬†%, 55,0¬†%, 55,0¬†%, 46,4¬†% et 90,0¬†%. Les Cladoc√®res dominent en f√©vrier (Do¬†= 37,2¬†%, mai (Do¬†= 47,4¬†% et d√©cembre (Do¬†= 48,6¬†%. Les Rotif√®res sont extr√™mement abondants et pr√©sentent une large dominance en janvier (Do¬†= 95,3¬†%. La population zooplanctonique est tr√®s faible en juillet et en ao√Ľt. Au cours de l'ann√©e le peuplement varie en fonction de la temp√©rature, des conditions hydrologiques, de l'abondance de la nourriture et de la pr√©dation par les poissons.In 2008, 33 species of Cladocers, Copepods and Rotifers have been observed in Sidi M‚Äôhamed Benali Lake (against only 12 species in 1992. The Copepods dominate in March, April, July, August and September, respectively with dominance (Do equal to 56.6¬†%, 55.0¬†%, 55.0¬†%, 46.4¬†% and 90.0¬†%. Cladocers dominated in February (Do = 37.2¬†%, May (Do = 47.4¬†% and December (Do = 48.6¬†%. The rotifers are extremely abundant and have a wide dominance in January (Do = 95.3%. The zooplankton population is very low in July and August. During the year, the population varies with temperature, water conditions, abundance of food and predation by fishes.

  4. Soil as a Sustainable Resource for the Bioeconomy - BonaRes

    Science.gov (United States)

    Wollschl√§ger, Ute; Amelung, Wulf; Br√ľggemann, Nicolas; Brunotte, Joachim; Gebbers, Robin; Grosch, Rita; Heinrich, Uwe; Helming, Katharina; Kiese, Ralf; Leinweber, Peter; Reinhold-Hurek, Barbara; Veldkamp, Edzo; Vogel, Hans-J√∂rg; Winkelmann, Traud

    2017-04-01

    Fertile soils are a fundamental resource for the production of biomass and provision of food and energy. A growing world population and latest climate targets lead to an increasing demand for bio-based products which require preserving and - ideally - improving the long-term productivity of soils as a bio-economic resource. At the same time, other soil functions and ecosystem services need to be maintained: filter for clean water, carbon sequestration, provision and recycling of nutrients, and habitat for biological activity. All these soil functions result from the interaction of a multitude of physical, chemical and biological processes which are insufficiently understood. In addition, we lack understanding about the interplay between the socio-economic system and the soil system and how soil functions benefit human wellbeing, including SDGs. However, a solid and integrated assessment of soil quality requires the consideration of the ensemble of soil functions and its relation to soil management. To make soil management sustainable, we need to establish a scientific knowledge base of complex soil system processes that allows for developing models and tools to quantitatively predict the impact of a multitude of management measures on soil functions. This will finally allow for the provision of options for a site-specific, sustainable soil management. To face this challenge, the German Federal Ministry of Education and Research (BMBF) recently launched the funding program "Soil as a Sustainable Resource for the Bioeconomy - BonaRes". In a joint effort, ten collaborative projects and the coordinating BonaRes Centre are engaged to close existing knowledge gaps for a profound and systemic assessment and understanding of soil functions and their sensitivity to soil management. In BonaRes, the complete process chain of sustainable soil use in the context of a sustainable bio-economy is being addressed: from understanding of soil processes using state-of the art and

  5. The diverse roles of transverse filaments of synaptonemal complexes in meiosis

    NARCIS (Netherlands)

    Boer, de E.; Heyting, C.

    2006-01-01

    In most eukaryotes, homologous chromosomes (homologs) are closely apposed during the prophase of the first meiotic division by a ladderlike proteinaceous structure, the synaptonemal complex (SC) [Fawcett, J Biophys Biochem Cytol 2:403-406, 1956; Moses, J Biophys Biochem Cytol 2:215-218, 1956]. SCs

  6. Kombucha tea fermentation: Microbial and biochemical dynamics.

    Science.gov (United States)

    Chakravorty, Somnath; Bhattacharya, Semantee; Chatzinotas, Antonis; Chakraborty, Writachit; Bhattacharya, Debanjana; Gachhui, Ratan

    2016-03-02

    Kombucha tea, a non-alcoholic beverage, is acquiring significant interest due to its claimed beneficial properties. The microbial community of Kombucha tea consists of bacteria and yeast which thrive in two mutually non-exclusive compartments: the soup or the beverage and the biofilm floating on it. The microbial community and the biochemical properties of the beverage have so far mostly been described in separate studies. This, however, may prevent understanding the causal links between the microbial communities and the beneficial properties of Kombucha tea. Moreover, an extensive study into the microbial and biochemical dynamics has also been missing. In this study, we thus explored the structure and dynamics of the microbial community along with the biochemical properties of Kombucha tea at different time points up to 21 days of fermentation. We hypothesized that several biochemical properties will change during the course of fermentation along with the shifts in the yeast and bacterial communities. The yeast community of the biofilm did not show much variation over time and was dominated by Candida sp. (73.5-83%). The soup however, showed a significant shift in dominance from Candida sp. to Lachancea sp. on the 7th day of fermentation. This is the first report showing Candida as the most dominating yeast genus during Kombucha fermentation. Komagateibacter was identified as the single largest bacterial genus present in both the biofilm and the soup (~50%). The bacterial diversity was higher in the soup than in the biofilm with a peak on the seventh day of fermentation. The biochemical properties changed with the progression of the fermentation, i.e., beneficial properties of the beverage such as the radical scavenging ability increased significantly with a maximum increase at day 7. We further observed a significantly higher D-saccharic acid-1,4-lactone content and caffeine degradation property compared to previously described Kombucha tea fermentations. Our

  7. Management Options for Biochemically Recurrent Prostate Cancer.

    Science.gov (United States)

    Fakhrejahani, Farhad; Madan, Ravi A; Dahut, William L

    2017-05-01

    Prostate cancer is the most common solid tumor malignancy in men worldwide. Treatment with surgery and radiation can be curative in organ-confined disease. Unfortunately, about one third of men develop biochemically recurrent disease based only on rising prostate-specific antigen (PSA) in the absence of visible disease on conventional imaging. For these patients with biochemical recurrent prostate cancer, there is no uniform guideline for subsequent management. Based on available data, it seems prudent that biochemical recurrent prostate cancer should initially be evaluated for salvage radiation or prostatectomy, with curative intent. In selected cases, high-intensity focused ultrasound and cryotherapy may be considered in patients that meet very narrow criteria as defined by non-randomized trials. If salvage options are not practical or unsuccessful, androgen deprivation therapy (ADT) is a standard option for disease control. While some patients prefer ADT to manage the disease immediately, others defer treatment because of the associated toxicity. In the absence of definitive randomized data, patients may be followed using PSA doubling time as a trigger to initiate ADT. Based on retrospective data, a PSA doubling time of less than 3-6 months has been associated with near-term development of metastasis and thus could be used signal to initiate ADT. Once treatment is begun, patients and their providers can choose between an intermittent and continuous ADT strategy. The intermittent approach may limit side effects but in patients with metastatic disease studies could not exclude a 20% greater risk of death. In men with biochemical recurrence, large studies have shown that intermittent therapy is non-inferior to continuous therapy, thus making this a reasonable option. Since biochemically recurrent prostate cancer is defined by technological limitations of radiographic detection, as new imaging (i.e., PSMA) strategies are developed, it may alter how the disease is

  8. Hierarchical architecture of ReS2/rGO composites with enhanced electrochemical properties for lithium-ion batteries

    Science.gov (United States)

    Qi, Fei; Chen, Yuanfu; Zheng, Binjie; He, Jiarui; Li, Qian; Wang, Xinqiang; Lin, Jie; Zhou, Jinhao; Yu, Bo; Li, Pingjian; Zhang, Wanli

    2017-08-01

    Rhenium disulfide (ReS2), a two-dimensional (2D) semiconductor, has attracted more and more attention due to its unique anisotropic electronic, optical, mechanical properties. However, the facile synthesis and electrochemical property of ReS2 and its composite are still necessary to be researched. In this study, for the first time, the ReS2/reduced graphene oxide (rGO) composites have been synthesized through a facile and one-pot hydrothermal method. The ReS2/rGO composites exhibit a hierarchical, interconnected, and porous architecture constructed by nanosheets. As anode for lithium-ion batteries, the as-synthesized ReS2/rGO composites deliver a large initial capacity of 918 mAh g-1 at 0.2 C. In addition, the ReS2/rGO composites exhibit much better electrochemical cycling stability and rate capability than that of bare ReS2. The significant enhancement in electrochemical property can be attributed to its unique architecture constructed by nanosheets and porous structure, which can allow for easy electrolyte infiltration, efficient electron transfer, and ionic diffusion. Furthermore, the graphene with high electronic conductivity can provide good conductive passageways. The facile synthesis approach can be extended to prepare other 2D transition metal dichalcogenides semiconductors for energy storage and catalytic application.

  9. Mechanism for action of electromagnetic fields on cells.

    Science.gov (United States)

    Panagopoulos, Dimitris J; Karabarbounis, Andreas; Margaritis, Lukas H

    2002-10-18

    A biophysical model for the action of oscillating electric fields on cells, presented by us before [Biochem. Biophys. Res. Commun. 272(3) (2000) 634-640], is extended now to include oscillating magnetic fields as well, extended to include the most active biological conditions, and also to explain why pulsed electromagnetic fields can be more active biologically than continuous ones. According to the present theory, the low frequency fields are the most bioactive ones. The basic mechanism is the forced-vibration of all the free ions on the surface of a cell's plasma membrane, caused by an external oscillating field. We have shown that this coherent vibration of electric charge is able to irregularly gate electrosensitive channels on the plasma membrane and thus cause disruption of the cell's electrochemical balance and function [Biochem. Biophys. Res. Commun. 272(3) (2000) 634-640]. It seems that this simple idea can be easily extended now and looks very likely to be able to give a realistic basis for the explanation of a wide range of electromagnetic field bioeffects.

  10. Gerenciamento de res√≠duos odontol√≥gicos no servi√ßo p√ļblico

    Directory of Open Access Journals (Sweden)

    Lídia Regina da Costa Hidalgo

    Full Text Available OBJETIVO: Verificar o processo de gerenciamento dos res√≠duos odontol√≥gicos do servi√ßo p√ļblico de sa√ļde em 11 munic√≠pios brasileiros. MATERIAL E M√ČTODO: Uma √ļnica pesquisadora realizou as visitas e as observa√ß√Ķes foram anotadas em um roteiro previamente elaborado e testado. RESULTADO: Foram visitadas 50 unidades de sa√ļde, sendo que nenhuma apresentou c√≥pia do plano de gerenciamento de res√≠duos. Do total de estabelecimentos, 62% realizavam a correta segrega√ß√£o dos res√≠duos no momento da sua gera√ß√£o. A presen√ßa de recipientes adequados a cada tipo de res√≠duo gerado no consult√≥rio odontol√≥gico foi observada em 74% dos estabelecimentos e, destes, 94% apresentavam capacidade adequada ao tipo de res√≠duo gerado. A identifica√ß√£o do tipo de res√≠duo nas embalagens pl√°sticas bem como anota√ß√Ķes identificando o estabelecimento gerador dos res√≠duos foram encontradas em 8% e 6%, respectivamente. Somente 21% dos estabelecimentos apresentavam locais apropriados, de acordo com as normas vigentes, para o armazenamento dos res√≠duos at√© que fosse feita a coleta externa. CONCLUS√ÉO: Constatou-se na presente pesquisa que a rotina adotada pela rede p√ļblica de sa√ļde bucal, no que tange ao gerenciamento de res√≠duos de sa√ļde, apresentou falhas.

  11. ResStock - Targeting Energy and Cost Savings for U.S. Homes

    Energy Technology Data Exchange (ETDEWEB)

    Wilson, Eric J [National Renewable Energy Laboratory (NREL), Golden, CO (United States)

    2017-09-29

    The ResStock analysis tool is helping states, municipalities, utilities, and manufacturers identify which home upgrades save the most energy and money. Across the country there's a vast diversity in the age, size, construction practices, installed equipment, appliances, and resident behavior of the housing stock, not to mention the range of climates. These variations have hindered the accuracy of predicting savings for existing homes. Researchers at the National Renewable Energy Laboratory (NREL) developed ResStock. It's a versatile tool that takes a new approach to large-scale residential energy analysis by combining: large public and private data sources, statistical sampling, detailed subhourly building simulations, high-performance computing. This combination achieves unprecedented granularity and most importantly - accuracy - in modeling the diversity of the single-family housing stock.

  12. Radio-controlled xenon flashers for atmospheric monitoring at the HiRes cosmic ray observatory

    CERN Document Server

    Wiencke, L R; Al-Seady, M; Belov, K; Bird, D J; Boyer, J; Chen, G F; Clay, R W; Dai, H Y; Dawson, B R; Denholm, P; Gloyn, J; He, D; Ho, Y; Huang, M A; Jui, C C H; Kidd, M J; Kieda, D B; Knapp, B; Ko, S; Larson, K; Loh, E C; Mannel, E J; Matthews, J N; Meyer, J R; Salman, A; Simpson, K M; Smith, J D; Sokolsky, P; Steenblik, D; Tang, J K K; Taylor, S; Thomas, S B; Wilkinson, C R

    1999-01-01

    Stable, robust ultraviolet light sources for atmospheric monitoring and calibration pose a challenge for experiments that measure air fluorescence from cosmic ray air showers. One type of light source in use at the High Resolution Fly's Eye (HiRes) cosmic ray observatory features a xenon flashbulb at the focal point of a spherical mirror to produce a 1 mu s pulse of collimated light that includes a strong UV component. A computer-controlled touch tone radio system provides remote operation of bulb triggering and window heating. These devices, dubbed 'flashers', feature stand-alone operation, +-5% shot-to-shot stability, weather proof construction and are well suited for long-term field use. This paper describes the flashers, the radio control system, and a 12-unit array in operation at the HiRes cosmic ray observatory

  13. Connection of small RES and CHP power generation units to the electricity systems

    International Nuclear Information System (INIS)

    Groseva, V.

    2008-01-01

    The EU member states have to ensure to the producers of 'green' electricity guaranteed access to the electrical grid including for small installations - Directive (2001/77/EC) of EC. For this reason the European Commission (EC) supports the project 'Production of Electricity with RES and CHP for Homeowners' - PERCH, in the framework of the program 'Intelligent Energy - Europe'. In the report the issues of connection (technical, contractual, tariff and metering) are investigated for small installations using RES and micro CHP, which are owned by individual family houses, small enterprises, etc. It is pointed out that small installations, mainly PV-systems, wind generators and small CHP, as well as combination of these technologies are rapidly applied on the European market. In Bulgaria the application of small PV-systems and wind generators, as well as CHP at present is limited. The elements for encouragement of such systems are defined, as well as the barriers for their wider application. (author)

  14. Structures et dynamiques forestières en milieu tempéré

    Directory of Open Access Journals (Sweden)

    B. Julien-Laferrière

    2000-05-01

    Full Text Available Le travail a été réalisé à l’atelier PASTEL, structure commune à l’EHESS, au CNRS et à l’ENS de Fontenay, établie dans les locaux de l’UMR 180 CNRS, laboratoire de biogéographie de l’ENS de Fontenay Problématique Le thème de recherche porte sur les structures forestières et leur dynamique. Les objectifs thématiques poursuivis sont les suivants : caractérisation des structures forestières par télédétection et estimation de leur productivité en terme de biomasse, analyse des dynamiques intra et...

  15. Defect formation and electronic structure regulated by strain engineering in ReS2

    Science.gov (United States)

    Min, Y. M.; Wang, A. Q.; Ren, X. M.; Liu, L. Z.; Wu, X. L.

    2018-01-01

    By using first-principles calculations, we investigated the monolayer ReS2 with vacancies under strain engineering, specifically focusing on its energy of formation, band gap, electron density of states, effective mass and optical properties. The calculated results disclose that S4 defect is more likely to form than other kinds of vacancies. Asymmetric deformation induced by strain makes its band structure transformation from direct band gap to indirect band gap. The analysis of the partial density of states indicates that the Re-d and S-p orbitals are the major components of the defect states, being different from MoS2, the defect states locate both above and below the Fermi level. Moreover, the effective mass was sensitive and anisotropic under the external strain. The reflection spectrum can be greatly tuned by the external strains, which indicates that the ReS2 monolayer has promising applications in nanoscale strain sensor and conductance-switch FETs.

  16. Biochemical changes during aging of soybean seed

    Directory of Open Access Journals (Sweden)

    BaleŇ°evińá-Tubińá Svetlana

    2009-01-01

    Full Text Available Biochemical changes that occur in the seed as a result of ageing are very significant for seed quality and longevity. Because of its characteristic composition, processes occurring in the seed of oil crops during storage will be typical as well. Six soybean varieties developed in Institute of field and vegetable crops Novi Sad, submitted to accelerated and natural aging, under controlled and conventional storage conditions were used in these trials. The content of malondialdehyde, superoxide dismutase and peroxidase activities were studied. The biochemical processes i.e. lipid peroxidation, as well as the decrease in supeoxide dismutase and peroxidase activities (especially pronounced by applied accelerated aging were caused by both type of aging. The degree of seed damage and the ability of seed to resist the negative consequences of aging were influenced, beside duration of aging period, by type of storage and characteristics of soybean varieties. .

  17. Gestion de la douleur chronique par les infirmières des Groupes de médecine de famille

    Science.gov (United States)

    Bergeron, Dave A; Bourgault, Patricia; Gallagher, Frances

    2015-01-01

    INTRODUCTION : Des milliers de personnes souffrent actuellement de douleur chronique (DC) pour laquelle la prise en charge s‚Äôav√®re souvent inad√©quate. Au Qu√©bec, les infirmi√®res qui oeuvrent dans les Groupes de m√©decine de famille (GMF) jouent un r√īle cl√© dans le suivi des personnes aux prises avec des probl√®mes de sant√© chroniques dont la DC. OBJECTIFS : Cette √©tude a pour objectifs de d√©crire les activit√©s r√©alis√©es par les infirmi√®res Ňďuvrant en GMF en lien avec la gestion de la douleur chez la client√®le souffrant de DC, ainsi que les barri√®res √† ces activit√©s. M√ČTHODE : Un dispositif descriptif corr√©lationnel transversal de type enqu√™te postale a √©t√© utilis√©. La population accessible √† l‚Äô√©tude comprend les infirmi√®res qui figurent sur la liste des membres de l‚ÄôOrdre des infirmi√®res et infirmiers du Qu√©bec travaillant en GMF. L‚Äôensemble des infirmi√®res figurant sur cette liste ayant consenti √† √™tre contact√©es √† leur domicile pour des fins de recherche ont √©t√© contact√©es. Un questionnaire postal auto-administr√© (Pain Management Activities Questionnaire) a √©t√© compl√©t√© par 53 infirmi√®res travaillant en GMF. R√ČSULTATS : Les trois activit√©s le plus souvent r√©alis√©es par les infirmi√®res sont d‚Äô√©tablir une relation th√©rapeutique avec le client; de discuter avec le m√©decin de l‚Äôefficacit√© des mesures th√©rapeutiques et de faire un enseignement personnalis√© au client. Les infirmi√®res ont la perception qu‚Äôelles rencontrent en moyenne 2,68 personnes par semaine qui souffrent de DC. La m√©connaissance des interventions possibles en douleur (71,7%) et la non-disponibilit√© de l‚Äôinformation sur la gestion de la douleur (52,8%) constituent les principales barri√®res selon les infirmi√®res sond√©es. CONCLUSION : Les infirmi√®res au sein des GMF font actuellement peu d‚Äôactivit√©s en gestion de la DC probablement en raison du manque de reconnaissance de la DC. PMID:25848847

  18. Ecovalorização de Resíduos Florestais (Casca e ramos de Eucalyptus globulus)

    OpenAIRE

    Fernandes, Ana Paula Augusta Raposo

    2017-01-01

    A planta√ß√£o da folhosa Eucalyptus globulus atinge mundialmente cerca de cerca de 18 milh√Ķes de hectares, em 90 pa√≠ses, e destina-se fundamentalmente √† produ√ß√£o de pasta de papel. Promover uma ecovaloriza√ß√£o dos res√≠duos florestais da biomassa de Eucalytptus globulus, principalmente das cascas e dos ramos, mediante o desenvolvimento de poss√≠veis aplica√ß√Ķes de valor acrescentado, para estes res√≠duos √© o objetivo principal deste trabalho. Para tal, os res√≠duos florestais, cascas e...

  19. Notice sur les L√©pidopt√®res des √ģles Natuna

    NARCIS (Netherlands)

    Snellen, P.C.T.

    1895-01-01

    Mr. Ritsema, Conservateur de la collection d‚ÄôInsectes du Mus√©e de Leyde, ayant re√ßu quelques L√©pidopt√®res que Mr. A. L. van Hasselt, R√©sident de Riouw et de ses d√©pendances, avait recueillis aux √ģles Natuna, me pria d‚Äôen dresser la liste, parce que jusqu‚Äôici rien n‚Äôavait √©t√© publi√© sur les insectes

  20. Bajenu Gox : une approche communautaire pour la santé des mères ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    initiative de Bajenu Gox à l'amélioration de la santé des mères et des enfants dans tout le Sénégal. L'ancien président Abdoulye Wade a fondé ce programme communautaire destiné aux travailleurs de la santé en vue de donner à des femmes ...

  1. Emplois aux frontières : Quelles politiques peuvent-elles favoriser l ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    Mais parce que ces zones sont situées dans des régions frontalières, elles présentent à la fois des possibilités et des risques en créant un milieu de travail ... L'étude aura recours à la collecte de données tant quantitatives que qualitatives pour l'analyse comparative entre les sexes, abordant des questions telles que : Le ...

  2. Bourse de recherche ‚Äď Sant√© des m√®res et des enfants | CRDI ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    7 sept. 2016 ... ... moiti√© de son temps √† la r√©alisation de ses propres travaux de recherche. Le reste du temps, il ex√©cute diverses t√Ęches au sein de l'√©quipe du programme Sant√© des m√®res et des enfants. Le boursier contribue, entre autres, √† la gestion d'un portefeuille de projets de recherche sur les syst√®mes de sant√©.

  3. Resíduos de aves e suínos: Potencialidades

    Directory of Open Access Journals (Sweden)

    Tiago Luan Hachmann

    2014-05-01

    Full Text Available O crescimento intenso da popula√ß√£o mundial aumenta a demanda por alimentos. As carnes de frango e de su√≠no s√£o as fontes mais exploradas de prote√≠na na alimenta√ß√£o humana. Por√©m, com os m√©todos intensivos de produ√ß√£o, esses sistemas tem gerado insatisfa√ß√£o quanto ao aspecto ambiental e tem sido questionados quanto √† sua sustentabilidade. A disposi√ß√£o inadequada dos res√≠duos gerados nos criat√≥rios de su√≠nos e aves afeta diretamente a qualidade do meio ambiente e a sa√ļde p√ļblica. Assim deve-se buscar alternativas para minimizar os impactos causados ao meio, melhorando o aproveitamento e destina√ß√£o desses res√≠duos. A aplica√ß√£o desses res√≠duos nas √°reas de produ√ß√£o agr√≠cola √© favor√°vel √†, tendo em vista que s√£o uma fonte de nutrientes de grande demanda pelas culturas. Al√©m disso √© uma forma sustent√°vel para destina√ß√£o dos res√≠duos, j√° que promove seu reaproveitamento de forma a n√£o poluir o ambiente e com alto retorno econ√īmico. Dessa forma √© poss√≠vel aliar preserva√ß√£o ambiental com progresso econ√īmico, promovendo uma produ√ß√£o sustent√°vel.

  4. VoxResNet: Deep voxelwise residual networks for brain segmentation from 3D MR images.

    Science.gov (United States)

    Chen, Hao; Dou, Qi; Yu, Lequan; Qin, Jing; Heng, Pheng-Ann

    2018-04-15

    Segmentation of key brain tissues from 3D medical images is of great significance for brain disease diagnosis, progression assessment and monitoring of neurologic conditions. While manual segmentation is time-consuming, laborious, and subjective, automated segmentation is quite challenging due to the complicated anatomical environment of brain and the large variations of brain tissues. We propose a novel voxelwise residual network (VoxResNet) with a set of effective training schemes to cope with this challenging problem. The main merit of residual learning is that it can alleviate the degradation problem when training a deep network so that the performance gains achieved by increasing the network depth can be fully leveraged. With this technique, our VoxResNet is built with 25 layers, and hence can generate more representative features to deal with the large variations of brain tissues than its rivals using hand-crafted features or shallower networks. In order to effectively train such a deep network with limited training data for brain segmentation, we seamlessly integrate multi-modality and multi-level contextual information into our network, so that the complementary information of different modalities can be harnessed and features of different scales can be exploited. Furthermore, an auto-context version of the VoxResNet is proposed by combining the low-level image appearance features, implicit shape information, and high-level context together for further improving the segmentation performance. Extensive experiments on the well-known benchmark (i.e., MRBrainS) of brain segmentation from 3D magnetic resonance (MR) images corroborated the efficacy of the proposed VoxResNet. Our method achieved the first place in the challenge out of 37 competitors including several state-of-the-art brain segmentation methods. Our method is inherently general and can be readily applied as a powerful tool to many brain-related studies, where accurate segmentation of brain

  5. Les jachères de légumineuses arborescentes : sources potentielles ...

    African Journals Online (AJOL)

    SARAH

    30 sept. 2014 ... RESUME. Objectifs : Ce travail étudie les aptitudes des jachères de légumineuses arborescentes à produire du bois ..... une pile de bois d'Acacia mangium issu de l'abattage des peuplements étudiés et destiné à la carbonisation. Tableau 2 .... palmes et les bourres de coco comme combustibles. (Lekadou ...

  6. Reaproveitamento de res√≠duos de MDF da ind√ļstria moveleira

    Directory of Open Access Journals (Sweden)

    Aline Freitas da Silva

    2010-12-01

    Full Text Available Esta pesquisa √© o estudo do reaproveitamento de res√≠duos de MDF da Cimol, uma ind√ļstria do Polo Moveleiro de Linhares, Esp√≠rito Santo, e apresenta conceitos como design sustent√°vel, Ecodesign, Cradle to Cradle e outros. Dentro do contexto abordado, o designer tem contribu√≠do para a busca de solu√ß√Ķes, analisando custo-benef√≠cio de produtos que atendam as necessidades de seus usu√°rios, sem que isso deixe de garantir √†s gera√ß√Ķes futuras os recursos necess√°rios para a manuten√ß√£o da vida. Com base no conjunto de informa√ß√Ķes coletadas, observou-se uma preocupa√ß√£o do Polo Moveleiro de Linhares com as quest√Ķes ambientais, refor√ßando a relev√Ęncia desta pesquisa e a necessidade de um levantamento de res√≠duos, que √© uma das metas descritas no Planejamento do Arranjo Produtivo Local para o pr√≥ximo tri√™nio, segundo o sindicato da regi√£o. Os res√≠duos da ind√ļstria podem ser aproveitados de forma mais efetiva, evitando o descarte e a extra√ß√£o desnecess√°ria de mat√©ria-prima da natureza. Foi demonstrada, atrav√©s do projeto de uma mesa de centro, a possibilidade de produzir um mobili√°rio com qualidade semelhante ao que utiliza a chapa inteira de MDF, empregando princ√≠pios do design sustent√°vel, bem como a possibilidade de projetar uma linha de produtos aproveitando os tamanhos variados dos res√≠duos da ind√ļstria.

  7. Culture et exercice du pouvoir par les femmes dans les sphères de ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    Culture et exercice du pouvoir par les femmes dans les sphères de décisions en Afrique de l'Ouest. Cette recherche s'inscrit dans le contexte d'une superposition de deux faits : l'existence d'un arsenal juridique et de dispositions nationales et internationales favorables à une intégration des femmes dans les instances de ...

  8. Representation of Turkish-Greek relations; "Birds without Wings" by Louis de Berniéres

    OpenAIRE

    JEŇė√ĀBKOV√Ā, Silvie

    2013-01-01

    This bachelor thesis deals with Turkish-Greek relations portrayed in the novel "Birds without Wings" by Louis de Berniéres. It focuses not only on the events of the 20th century in the area of modern day Turkey, where Greeks and Turks used to live in harmony together, but also on the story of the individual inhabitants. These two parallel threads are associated with the universal topics such as war, nationalism, religion and multiculturalism.

  9. Croissance et production de matières de Typha australis (SCHUM ...

    African Journals Online (AJOL)

    Objectifs : Les plantes invasives entra√ģnent un dysfonctionnement des √©cosyst√®mes particuli√®rement dans les zones humides √† vocation agricole comme celle des ¬ę Niayes ¬Ľ o√Ļ le niveau de l'eau fluctue au cours de l'ann√©e. La pr√©sente √©tude a pour but d'appr√©cier la croissance et la production de mati√®res des plants de¬†...

  10. Des collectivités forestières du Nigeria prennent des mesures pour ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    Des collectivités forestières du Nigeria prennent des mesures pour réduire les émissions de carbone. 08 juin 2016. Image. Deforestation in Nigeria. Foreign and Commonwealth Office. En Afrique subsaharienne, il est crucial de conserver et de protéger les forêts pour assurer la durabilité des moyens de subsistance des ...

  11. The future has come: the 100% RES driven power system is reality

    International Nuclear Information System (INIS)

    Orths, Antje; Borre Eriksen, Peter

    2016-01-01

    The Danish political energy and climate targets fixed in the RES (Renewable Energy Sources) directive require Denmark to reach a 30 % RES share of its total energy consumption in 2020. Besides, Danish national targets aim at wind power production to correspond to 50 % of domestic gross electricity consumption (status in 2015: 42 %). For 2050, the political target is to be free of fossil fuels in the whole energy sector - i.e. including transportation. The major part of variable RES in Denmark is wind energy, the remaining power consumption mainly based on biomass, gas and coal fired central power stations and local CHP plants. Some key figures: at the end of 2015, 5,076 MW wind power capacity and 783 MW of solar power capacity were installed in Denmark, with Danish peak load at ‚ąľ6.400 MW and the total electricity consumption at 33.6 TWh. Wind power is split into 3,805 MW onshore and 1.272 MW offshore installations. In 2015, wind power produced 14.1 TWh electricity (9.3 TWh onshore, 4.8 TWh offshore), which made a ‚ąľ42 % share of the Danish electricity consumption, while solar power produced 0.6 TWh. The high RES level is already today challenging the system e.g. concerning the need for flexibility on the one hand, or by pushing power plants delivering important system services out of the market on the other hand. To fulfill the political ambitions, new arrangements concerning the technical and market design incentivizing flexibility or ancillary services, such as frequency control and voltage control, are needed and currently under development. This article gives examples and illustrates the urgency by showing a real dispatch in a windy week. (authors)

  12. Fitness effects of fluctuations in biochemical networks

    Science.gov (United States)

    Tanase-Nicola, Sorin

    2009-03-01

    The concentration of many cellular components fluctuates not only as a response to external and internal inputs but also due to random birth and death events of individual molecules. This biochemical noise affects the capacity of every individual cell in a population to respond and adapt to the environment. While the sources and effects of biochemical fluctuations on individual cells have been intensively studied, the effects of noise on the growth rate of a population of cells are much less understood. We present a model of the cell cycle in which the growth and division of individual cells are coupled with the noisy dynamics of their internal components. The model allows us to compute the contribution of the biochemical noise to the average growth rate of a population of cells as a function of the noise strength and the correlation time of the fluctuations. We show that, due to fluctuations, the growth rate of a population of cells is always larger than the average growth rate of a individual cell and can be larger even than a corresponding deterministic model. In most relevant cases it is assumed that the average concentration of a cellular component is close to a value that maximizes the population growth as given by the external, environmental, conditions and the internal cellular regulation. In such cases we show that contribution of fluctuations to the growth rate is negative and increases with the sensitivity of the biochemical networks to the noise sources and the noise correlation time. We also discuss how the selection pressure due to fluctuations affects the structure and parameters of genetic regulatory networks.

  13. Innovative method of RES integration into the regional energy development scenarios

    International Nuclear Information System (INIS)

    Klevas, Valentinas; BiekŇ°a, Kestutis; Murauskaitńó, Lina

    2014-01-01

    Scarcity or abundance of energy resources usually depends on physical and geographical conditions in the region. However, the energy flow in the region also depends on the efficient use of energy resources, the consumption rate of energy and the possibility to use local renewable and non-renewable energy resources. Production, distribution and the use of energy resources in the region are the challenges for central and local government, business and social service, customers and other stakeholders. Development of regional energy economy should be optimized according to the available energy flow in the region using a network system analysis method, which provides solutions for developing sustainable energy economy models. The network system analysis method enables to optimize the use of local and renewable resources at the regional level and reveals available local energy resources. An efficient use of available regional resources and the use of renewable energy sources (RES) should be the main goals for the development of regional energy system. RES can compete with traditional fossil fuel with the condition that all hidden aspects are revealed. The network system analysis method enables to indicate energy flows in the region as well as indicate pros and cons of using renewable energy technologies. - Highlights: ‚ÄĘ RES integration into the regional energy development scenarios is done. ‚ÄĘ Innovative process network system (PNS) analysis method is used. ‚ÄĘ PNS method is used to optimize the use of local and renewable resources. ‚ÄĘ Analysis of energy flow in region using PNS method is done

  14. Perspective foucauldienne de la surveillance en sciences infirmières face aux risques biologiques

    Directory of Open Access Journals (Sweden)

    LAURENCE BERNARD

    2009-10-01

    Full Text Available Ces derni√®res ann√©es, les risques biologiques reli√©s au bioterrorisme sont devenus des pr√©occupations grandissantes dans le domaine de la sant√© pour les infirmi√®res. Leur r√īle d'agent de surveillance et de r√©gulation est primordial afin de prot√©ger la population dans une lutte contre les maladies infectieuses afin d'assurer la s√©curit√© du vivant. Actuellement, les mod√®les et th√©ories en sciences infirmi√®res ne permettent pas de saisir les enjeux sociopolitiques li√©s √† la construction de risques biologiques et √† leur gestion afin de pr√©venir les pand√©mies. Examin√© sous un angle foucauldien, le corps de l'infirmi√®re devient le lieu d'articulation du pouvoir entre les normes de s√©curit√© et de surveillance √©pid√©miologique constituant le bio-politique d'une part et les m√©canismes disciplinaires li√©s √† la surveillance panoptique constituant l'anatomo-politique d'autre part. Celle-ci participe activement √† la production d'un savoir assurant le gouvernement des corps individuel, social et politique.

  15. Multidimensional biochemical information processing of dynamical patterns.

    Science.gov (United States)

    Hasegawa, Yoshihiko

    2018-02-01

    Cells receive signaling molecules by receptors and relay information via sensory networks so that they can respond properly depending on the type of signal. Recent studies have shown that cells can extract multidimensional information from dynamical concentration patterns of signaling molecules. We herein study how biochemical systems can process multidimensional information embedded in dynamical patterns. We model the decoding networks by linear response functions, and optimize the functions with the calculus of variations to maximize the mutual information between patterns and output. We find that, when the noise intensity is lower, decoders with different linear response functions, i.e., distinct decoders, can extract much information. However, when the noise intensity is higher, distinct decoders do not provide the maximum amount of information. This indicates that, when transmitting information by dynamical patterns, embedding information in multiple patterns is not optimal when the noise intensity is very large. Furthermore, we explore the biochemical implementations of these decoders using control theory and demonstrate that these decoders can be implemented biochemically through the modification of cascade-type networks, which are prevalent in actual signaling pathways.

  16. Explorations into Chemical Reactions and Biochemical Pathways.

    Science.gov (United States)

    Gasteiger, Johann

    2016-12-01

    A brief overview of the work in the research group of the present author on extracting knowledge from chemical reaction data is presented. Methods have been developed to calculate physicochemical effects at the reaction site. It is shown that these physicochemical effects can quite favourably be used to derive equations for the calculation of data on gas phase reactions and on reactions in solution such as aqueous acidity of alcohols or carboxylic acids or the hydrolysis of amides. Furthermore, it is shown that these physicochemical effects are quite effective for assigning reactions into reaction classes that correspond to chemical knowledge. Biochemical reactions constitute a particularly interesting and challenging task for increasing our understanding of living species. The BioPath.Database is a rich source of information on biochemical reactions and has been used for a variety of applications of chemical, biological, or medicinal interests. Thus, it was shown that biochemical reactions can be assigned by the physicochemical effects into classes that correspond to the classification of enzymes by the EC numbers. Furthermore, 3D models of reaction intermediates can be used for searching for novel enzyme inhibitors. It was shown in a combined application of chemoinformatics and bioinformatics that essential pathways of diseases can be uncovered. Furthermore, a study showed that bacterial flavor-forming pathways can be discovered. © 2016 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

  17. Multidimensional biochemical information processing of dynamical patterns

    Science.gov (United States)

    Hasegawa, Yoshihiko

    2018-02-01

    Cells receive signaling molecules by receptors and relay information via sensory networks so that they can respond properly depending on the type of signal. Recent studies have shown that cells can extract multidimensional information from dynamical concentration patterns of signaling molecules. We herein study how biochemical systems can process multidimensional information embedded in dynamical patterns. We model the decoding networks by linear response functions, and optimize the functions with the calculus of variations to maximize the mutual information between patterns and output. We find that, when the noise intensity is lower, decoders with different linear response functions, i.e., distinct decoders, can extract much information. However, when the noise intensity is higher, distinct decoders do not provide the maximum amount of information. This indicates that, when transmitting information by dynamical patterns, embedding information in multiple patterns is not optimal when the noise intensity is very large. Furthermore, we explore the biochemical implementations of these decoders using control theory and demonstrate that these decoders can be implemented biochemically through the modification of cascade-type networks, which are prevalent in actual signaling pathways.

  18. 40 CFR 158.2000 - Biochemical pesticides definition and applicability.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 23 2010-07-01 2010-07-01 false Biochemical pesticides definition and applicability. 158.2000 Section 158.2000 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PESTICIDE PROGRAMS DATA REQUIREMENTS FOR PESTICIDES Biochemical Pesticides § 158.2000 Biochemical pesticides...

  19. Dactylifera L) on the biochemical indicators of lead poisoning in ...

    African Journals Online (AJOL)

    ... in the biochemical parameters. Thus, the treatment by the pectin of dates reduced the high concentration of these parameters. Our results show that the pectins of dates may have a corrective effect on the biochemical disturbances induced by the lead. Keywords: Phoenix Dactylifera, Pectin, Lead, Biochemical parameters ...

  20. Resíduos sólidos e lixo hospitalar: uma discussão ética

    Directory of Open Access Journals (Sweden)

    Jo√£o Alberto Ferreira

    1995-06-01

    Full Text Available O presente artigo trata da quest√£o dos res√≠duos s√≥lidos, discutindo os problemas decorrentes de um modo de ser e de agir, resultante das rela√ß√Ķes entre Primeiro Mundo e Terceiro Mundo e as perspectivas para o meio ambiente se n√£o ocorrer uma √©tica renovada de solidariedade entre seres humanos e de respeito √† vida. A partir dessa vis√£o mais geral, o artigo trata, ent√£o, das quest√Ķes espec√≠ficas dos res√≠duos hospitalares, as interfer√™ncias e imposi√ß√Ķes da "cultura" de Primeiro Mundo nos sistemas de manuseio, tratamento e disposi√ß√£o dos res√≠duos, no Brasil, procurando problematizar a quest√£o da periculosidade (ou n√£o de tais res√≠duos.

  1. Rahvastikuministri tulevane n√Ķunik oli sunnitud Isamaa ja Res Publica Liidust v√§lja astuma / Tiia Linnard

    Index Scriptorium Estoniae

    Linnard, Tiia, 1962-

    2007-01-01

    Ilmunud ka: Severnoje Poberezhje, 28. juuli 2007, lk. 1. Isamaa ja Res Publica Liidu volikogu liige Erika Kruup lahkus erakonnast, et asuda t√∂√∂le sotsiaaldemokraadist rahvastikuministri Urve Palo n√Ķunikuna

  2. Comment on Giuseppe Genchi et al. Mercury Exposure and Heart Diseases. Int. J. Environ. Res. Public Health 2017, 14, 74

    Directory of Open Access Journals (Sweden)

    S. M. J. Mortazavi

    2017-07-01

    Full Text Available Cenchi et al. [1] have recently published an article entitled ‚ÄúMercury Exposure and Heart Diseases‚ÄĚ that is published in Int. J. Environ. Res. Public Health 2017, 14, 74; doi:10.3390/ijerph14010074.[...

  3. Isamaaliit ja Res Publica √ľhendavad j√Ķud / T√Ķnis Lukas, Taavi Veskim√§gi

    Index Scriptorium Estoniae

    Lukas, T√Ķnis, 1962-

    2006-01-01

    Ilmunud ka: Hiiu Leht 7. apr. lk. 2. Isamaaliidu ja Res Publica juhatused on teinud teineteisele √ľhinemisettepaneku, mida peavad arutama volikogud ja l√Ķpuks otsustama k√Ķik erakondade liikmed √ľhiselt suurkogudel

  4. Power utility generation portfolio optimization as function of specific RES and decarbonisation targets ‚Äď EPBiH case study

    International Nuclear Information System (INIS)

    Kazagic, Anes; Merzic, Ajla; Redzic, Elma; Music, Mustafa

    2014-01-01

    Highlights: ‚ÄĘ Guidelines for power utilities to reach specific decarbonisation targets offered. ‚ÄĘ Optimization model of RES share to be introduced into power system is proposed. ‚ÄĘ Single criteria analysis and multicriteria sustainability assessment are applied. ‚ÄĘ The optimization method has been demonstrated on a real power system. ‚ÄĘ In the considered case, HIGH RES scenario showed to be the preferable one. - Abstract: This paper provides guidelines and principles for power utilities to reach specific energy and decarbonisation targets. Method of power generation portfolio optimization, as function of sustainability and decarbonisation, along with appropriate criteria, has been proposed. Application of this optimization method has been demonstrated on a real power system ‚Äď power utility JP Elektroprivreda BiH d.d. ‚Äď Sarajevo (EPBiH), a typical example of South East European power system. The software tool WASP IV has been employed in the analysis, in order to define the dynamics and an optimized expansion of generation portfolio of the power system under consideration for the next period. The mid-term generation portfolio development plan for the EPBiH power system until year 2030 has been made during this research, taking into account the shutdown dynamics of existing power units and commissioning new ones, in order to provide safe supply of electric and heat energy for local consumers. Three basic scenario of renewable energy sources (RES) expansion have been analysed to reach specific RES and decarbonisation targets set for 2030, including RES share increase from the current level of 18% up to 35% (LOW RES), 45% (MID RES) and 55% (HIGH RES). Effects to the sustainability are considered through environmental, economic and social indicators. Multicriteria sustainability assessment gave an advantage to the HIGH RES, under assumption of equal weighting factors of economic and environment groups of indicators. Also, single criteria analysis has been

  5. Impact des jach√®res sur la flore adventice au Nord de la C√īte d\\'Ivoire

    African Journals Online (AJOL)

    Les familles les plus représentées dans la flore adventice sont les Poaceae (30 % des espèces) et les Asteraceae (14 %). La régénération d\\'espèces arborescentes est plus abondante dans les jachères artificielles. Inversement, les espèces adventices sont numériquement plus importantes dans les jachères naturelles (76 ...

  6. 107 Etude des facteurs de variation des prix d'intérêt des matières ...

    African Journals Online (AJOL)

    DELL

    Imen BELHADJ SLIMEN et Taha NAJAR. Etude des facteurs de variation des prix d'intérêt des matières premières de substitution utilisées dans les aliments concentrés des animaux d'élevage. Imen BELHADJ SLIMEN1,2* et Taha NAJAR1,2. 1Institut National Agronomique de Tunisie, Département Ressources Animales, ...

  7. Innovation pour la santé des mères et des enfants d'Afrique | CRDI ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    L'initiative Innovation pour la sant√© des m√®res et des enfants d'Afrique (ISMEA) cherche √† am√©liorer la sant√© des m√®res, des nouveau-n√©s et des enfants en ... Cette initiative de 36 millions de dollars sur sept ans ‚Äď financ√©e conjointement par les Instituts de recherche en sant√© du Canada, Affaires mondiales Canada et le¬†...

  8. Mobilidade de metais pesados em solo tratado com res√≠duo sider√ļrgico √°cido

    Directory of Open Access Journals (Sweden)

    N. M. B. Amaral Sobrinho

    1998-06-01

    Full Text Available Amostras do horizonte Bt de um Podz√≥lico Vermelho-Amarelo (PV, predominante no aterro-piloto de res√≠duos industriais (ARSI da Companhia Sider√ļrgica Nacional (CSN, foram acondicionadas, em 1992, em colunas de vidro com 5,4 cm de di√Ęmetro e 37 cm de altura. Sobre essas amostras de solo foram colocadas amostras de um res√≠duo √°cido da CSN na propor√ß√£o solo-res√≠duo de 4:1 (conforme a concep√ß√£o b√°sica do projeto do ARSI. Tal sistema res√≠duo-solo foi lixiviado com 50 volumes-poro de √°gua deionizada, com pH 4,5, com o objetivo de avaliar a movimenta√ß√£o de Cr, Mn, Ni, Cu, Zn, Cd e Pb nas colunas. Depois da lixivia√ß√£o, removeu-se o res√≠duo do topo das colunas, e seccionaram-se as amostras de solo em 4 partes iguais. Os metais pesados das amostras do res√≠duo e do solo foram extra√≠dos seq√ľencialmente. 0 Pb, Cu e Cr mobilizados do res√≠duo ficaram retidos nos primeiros 5 cm da coluna de solo. 0 Zn, Mn, Ni e Cd tiveram aumento da concentra√ß√£o em profundidade. Nos efluentes das colunas com o res√≠duo, foram observadas concentra√ß√Ķes de Mn e Ni bem superiores aos padr√Ķes permitidos pela Funda√ß√£o Estadual de Engenharia do Meio Ambiente (FEEMA, 1985.

  9. 195 Evaluation de la charge polluante des rivières des eaux usées ...

    African Journals Online (AJOL)

    kapepula

    ressources financières des pouvoirs publics au niveau local et l'absence de réelles politiques environnementales sont parmi les ... sont collectés vers les quatre rivières. Généralement les aides de la gestion des déchets adéquates protègent la santé humaine et l'environnement et conserve les ressources naturelles [3].

  10. On the Adaptive Design Rules of Biochemical Networks in Evolution

    Directory of Open Access Journals (Sweden)

    Bor-Sen Chen

    2007-01-01

    Full Text Available Biochemical networks are the backbones of physiological systems of organisms. Therefore, a biochemical network should be sufficiently robust (not sensitive to tolerate genetic mutations and environmental changes in the evolutionary process. In this study, based on the robustness and sensitivity criteria of biochemical networks, the adaptive design rules are developed for natural selection in the evolutionary process. This will provide insights into the robust adaptive mechanism of biochemical networks in the evolutionary process. We find that if a mutated biochemical network satisfies the robustness and sensitivity criteria of natural selection, there is a high probability for the biochemical network to prevail during natural selection in the evolutionary process. Since there are various mutated biochemical networks that can satisfy these criteria but have some differences in phenotype, the biochemical networks increase their diversities in the evolutionary process. The robustness of a biochemical network enables co-option so that new phenotypes can be generated in evolution. The proposed robust adaptive design rules of natural selection gain much insight into the evolutionary mechanism and provide a systematic robust biochemical circuit design method of biochemical networks for biotechnological and therapeutic purposes in the future.

  11. Biochemical Characterization of P4-ATPase Mutations Associated with Intrahepatic Cholestatic Disease

    DEFF Research Database (Denmark)

    Gantzel, Rasmus; Vestergaard, Anna Lindel√łv; Mikkelsen, Stine

    The cholestatic disorders progressive familial intrahepatic cholestasis type 1 (PFIC1, also referred to as Byler’s disease) and benign recurrent intrahepatic cholestasis type 1 (BRIC1) are caused by mutation of the P4-ATPase ATP8B1. The substrate of ATP8B1 is very likely to be phosphatidylserine ...... in the transmembrane domain will contribute with important information in elucidation of the phospholipid transport mechanism of P4-type ATPases. 1. Folmer, D.E., R.P.J. Oude Elferink, and C.C. Paulusma, Biochim. Biophys. Acta (2009) 1791. 628-635....

  12. Chemical Vapor Deposition Growth of Degenerate p-Type Mo-Doped ReS2 Films and Their Homojunction.

    Science.gov (United States)

    Qin, Jing-Kai; Shao, Wen-Zhu; Xu, Cheng-Yan; Li, Yang; Ren, Dan-Dan; Song, Xiao-Guo; Zhen, Liang

    2017-05-10

    Substitutional doping of transition metal dichalcogenide two-dimensional materials has proven to be effective in tuning their intrinsic properties, such as band gap, transport characteristics, and magnetism. In this study, we realized substitutional doping of monolayer rhenium disulfide (ReS 2 ) with Mo via chemical vapor deposition. Scanning transmission electron microscopy demonstrated that Mo atoms are successfully doped into ReS 2 by substitutionally replacing Re atoms in the lattice. Electrical measurements revealed the degenerate p-type semiconductor behavior of Mo-doped ReS 2 field effect transistors, in agreement with density functional theory calculations. The p-n diode device based on a doped ReS 2 and ReS 2 homojunction exhibited gate-tunable current rectification behaviors, and the maximum rectification ratio could reach up to 150 at V d = -2/+2 V. The successful synthesis of p-type ReS 2 in this study could largely promote its application in novel electronic and optoelectronic devices.

  13. Biochemical Network Stochastic Simulator (BioNetS: software for stochastic modeling of biochemical networks

    Directory of Open Access Journals (Sweden)

    Elston Timothy C

    2004-03-01

    Full Text Available Abstract Background Intrinsic fluctuations due to the stochastic nature of biochemical reactions can have large effects on the response of biochemical networks. This is particularly true for pathways that involve transcriptional regulation, where generally there are two copies of each gene and the number of messenger RNA (mRNA molecules can be small. Therefore, there is a need for computational tools for developing and investigating stochastic models of biochemical networks. Results We have developed the software package Biochemical Network Stochastic Simulator (BioNetS for efficientlyand accurately simulating stochastic models of biochemical networks. BioNetS has a graphical user interface that allows models to be entered in a straightforward manner, and allows the user to specify the type of random variable (discrete or continuous for each chemical species in the network. The discrete variables are simulated using an efficient implementation of the Gillespie algorithm. For the continuous random variables, BioNetS constructs and numerically solvesthe appropriate chemical Langevin equations. The software package has been developed to scale efficiently with network size, thereby allowing large systems to be studied. BioNetS runs as a BioSpice agent and can be downloaded from http://www.biospice.org. BioNetS also can be run as a stand alone package. All the required files are accessible from http://x.amath.unc.edu/BioNetS. Conclusions We have developed BioNetS to be a reliable tool for studying the stochastic dynamics of large biochemical networks. Important features of BioNetS are its ability to handle hybrid models that consist of both continuous and discrete random variables and its ability to model cell growth and division. We have verified the accuracy and efficiency of the numerical methods by considering several test systems.

  14. Biochemical Markers for Assessing Aquatic Contamination

    Directory of Open Access Journals (Sweden)

    Zde√ɂĶ√āňÜka Svobodov√É∆í√ā¬°

    2007-11-01

    Full Text Available Biochemical markers, specifically enzymes of the first phase of xenobiotic transformation - cytochrome P450 and ethoxyresorufin-O-deethylase (EROD - were used to determine the quantities of persistent organic pollutants (POPs in fish muscle (PCB, HCB, HCH, OCS, DDT. Eight rivers were monitored (Orlice, Chrudimka, Cidlina, Jizera, Vltava, Oh√ɂĶ√ā‚ĄĘe and B√É∆í√ā¬≠lina; and the River Blanice was used as a control. The indicator species selected was the chub (Leuciscus cephalus L.. There were no significant differences in cytochrome P450 content between the locations monitored. The highest concentration of cytochrome P450 in fish liver was in the Vltava (0.241 nmol mg-1 protein, and the lowest was in the Orlice (0.120 nmol mg-1 protein. Analysis of EROD activity showed a significant difference between the Blanice and the Vltava (P< 0.05, and also between the Orlice and the Vltava (P< 0.01, the Orlice and the B√É∆í√ā¬≠lina (P< 0.01, and the Orlice and the Oh√ɂĶ√ā‚ĄĘe (P< 0.05. The highest EROD activity in fish liver was in the Vltava (576.4 pmol min-1 mg-1 protein, and the lowest was in the Orlice (63.05 pmol min-1 mg-1 protein. In individual locations, results of chemical monitoring and values of biochemical markers were compared. A significant correlation (P< 0.05 was found between biochemical markers and OCS, and PCB. Among the tributaries studied those that contaminated the Elbe most were the Vltava and the B√É∆í√ā¬≠lina. These tributaries should not be considered the main sources of industrial contamination of the River Elbe, because the most important contamination sources were along the river Elbe itself.

  15. [Chronic fatigue syndrome: biochemical examination of blood].

    Science.gov (United States)

    Hakariya, Yukiko; Kuratsune, Hirohiko

    2007-06-01

    Though patients with chronic fatigue syndrome (CFS) have lots of complaints, abnormal findings cannot be detected by biochemical screening tests. However, some specialized blood tests have revealed neuroendocrine immune axis abnormalities, which is closely associated with each other. Recent studies indicate that CFS can be understood as a special condition based on abnormality of the psycho-neuro-endocrino-immunological system, with the distinguishing feature of CFS seeming to be the secondary brain dysfunction caused by several cytokines and/or autoantibodies. In this paper, we summarize these abnormalities found in CFS and show the neuro-molecular mechanism leading to chronic fatigue.

  16. Conservation Laws in Biochemical Reaction Networks

    DEFF Research Database (Denmark)

    Mahdi, Adam; Ferragut, Antoni; Valls, Claudia

    2017-01-01

    We study the existence of linear and nonlinear conservation laws in biochemical reaction networks with mass-action kinetics. It is straightforward to compute the linear conservation laws as they are related to the left null-space of the stoichiometry matrix. The nonlinear conservation laws...... are difficult to identify and have rarely been considered in the context of mass-action reaction networks. Here, using the Darboux theory of integrability, we provide necessary structural (i.e., parameterindependent) conditions on a reaction network to guarantee the existence of nonlinear conservation laws...

  17. The biochemical womb of schizophrenia: A review.

    Science.gov (United States)

    Gaur, N; Gautam, S; Gaur, M; Sharma, P; Dadheech, G; Mishra, S

    2008-10-01

    The conclusive identification of specific etiological factors or pathogenic processes in the illness of schizophrenia has remained elusive despite great technological progress. The convergence of state-of-art scientific studies in molecular genetics, molecular neuropathophysiology, in vivo brain imaging and psychopharmacology, however, indicates that we may be coming much closer to understanding the genesis of schizophrenia. In near future, the diagnosis and assessment of schizophrenia using biochemical markers may become a "dream come true" for the medical community as well as for the general population. An understanding of the biochemistry/ visa vis pathophysiology of schizophrenia is essential to the discovery of preventive measures and therapeutic intervention.

  18. Simplifying biochemical models with intermediate species

    DEFF Research Database (Denmark)

    Feliu, Elisenda; Wiuf, Carsten

    2013-01-01

    Mathematical models are increasingly being used to understand complex biochemical systems, to analyse experimental data and make predictions about unobserved quantities. However, we rarely know how robust our conclusions are with respect to the choice and uncertainties of the model. Using algebraic......-state concentrations of the species in the core model, after suitable matching of parameters. Importantly, our results provide guidelines to the modeller in choosing between models and in distinguishing their properties. Further, our work provides a formal way of comparing models that share a common skeleton....

  19. Radiation treatment of drugs, biochemicals and vaccines

    International Nuclear Information System (INIS)

    Nordheim, W.; Braeuniger, S.; Kirsch, B.; Kotowski, H.; Teupel, D.

    1984-12-01

    The concise and tabulated review reports experimental results on the effects of radiation treatment on drugs, vaccines, biochemicals and adjuvants including enzymes as well. Irradiation was mostly performed by ő≥-radiation using 60 Co and to a lesser extent by 137 Cs, 182 Ta, X-rays and accelerators. Ionizing radiation proved to be a useful tool for sterilization and inactivation in producing drugs, vaccines, and bioactive agents and will contribute to realize procedures difficultly solvable as to engineering and economy, respectively. 124 refs

  20. Nutritional and biochemical therapies for neurodegenerative diseases

    Directory of Open Access Journals (Sweden)

    George E. Barreto

    2015-04-01

    Full Text Available Neurodegenerative diseases such as Parkinson‚Äôs disease, Huntington and Alzheimer‚Äôs disease are characterized by neuronal death and loss in different areas of the brain. Downstream signaling mechanisms associated to cellular death/survival are altered, where mitochondrial damage and inflammation, dysfunctional autophagy process, and accumulation of toxins proteins play a central role in the pathogenesis of these diseases. The disabling effects of these diseases on health system are high and greatly affect the health and daily lifestyle of patients. In this context, pharmacological and non-pharmacological therapies, which are used in palliative and preventive treatments, have been widely assessed in human patients, as well as animal and cellular models in the last decades. However, the genetics and epigenetics factors of any disease can cause different paths in its progression. Nutritional and biochemical therapy approaches by activation or manipulation of different transcription factors such as Nrf2, PPARőĪ, CREB and TEFB in animal and cellular models have shown protective effects against neurodegeneration. Some of these therapies include caloric restriction diet, use of glutathione precursors and Mediterranean diet. This work highlights the evidences of different nutritional and biochemical approaches for the treatment of neurodegenerative diseases and how novel research approaches, such as the use of systems biology, will allow a better comprehension of key processes and biological responses involved in these diseases.

  1. Biochemical processes for geothermal brine treatment

    Energy Technology Data Exchange (ETDEWEB)

    Premuzic, E.T.; Lin, M.S.; Bohenek, M.; Joshi-Tope, G.; Zhou, W.; Shelenkova, L.; Wilke, R.

    1998-08-01

    As part of the DOE Geothermal Energy Program, BNL`s Advanced Biochemical Processes for Geothermal Brines (ABPGB) project is aimed at the development of cost-efficient and environmentally acceptable technologies for the disposal of geothermal wastes. Extensive chemical studies of high and low salinity brines and precipitates have indicated that in addition to trace quantities of regulated substances, e.g., toxic metals such as arsenic and mercury, there are significant concentrations of valuable metals, including gold, silver and platinum. Further chemical and physical studies of the silica product have also shown that the produced silica is a valuable material with commercial potential. A combined biochemical and chemical technology is being developed which (1) solubilizes, separates, and removes environmentally regulated constituents in geothermal precipitates and brines, (2) generates an amorphous silica product which may be used as feedstock for the production of revenue generating materials, (3) recover economically valuable trace metals and salts. Geothermal power resources which utilize low salinity brines and use the Stretford process for hydrogen sulfide abatement generate a contaminated sulfur cake. Combined technology converts such sulfur to a commercial grade sulfur, suitable for agricultural use. The R and D activities at BNL are conducted jointly with industrial parties in an effort focused on field applications.

  2. BIOCHEMICAL PROCESSES FOR GEOTHERMAL BRINE TREATMENT

    Energy Technology Data Exchange (ETDEWEB)

    PREMUZIC,E.T.; LIN,M.S.; BOHENEK,M.; JOSHI-TOPE,G.; ZHOU,W.; SHELENKOVA,L.; WILKE,R.

    1998-09-20

    As part of the DOE Geothermal Energy Program, BNL's Advanced Biochemical Processes for Geothermal Brines (ABPGB) project is aimed at the development of cost-efficient and environmentally acceptable technologies for the disposal of geothermal wastes. Extensive chemical studies of high and low salinity brines and precipitates have indicated that in addition to trace quantities of regulated substances, e.g., toxic metals such as arsenic and mercury, there are significant concentrations of valuable metals, including gold, silver and platinum. Further chemical and physical studies of the silica product have also shown that the produced silica is a valuable material with commercial potential. A combined biochemical and chemical technology is being developed which (1) solubilizes, separates, and removes environmentally regulated constituents in geothermal precipitates and brines (2) generates an amorphous silica product which may be used as feedstock for the production of revenue generating materials, (3) recover economically valuable trace metals and salts. Geothermal power resources which utilize low salinity brines and use the Stretford process for hydrogen sulfide abatement generate a contaminated sulfur cake. Combined technology converts such sulfur to a commercial grade sulfur, suitable for agricultural use. The R and D activities at BNL are conducted jointly with industrial parties in an effort focused on field applications.

  3. Rebinding in biochemical reactions on membranes

    Science.gov (United States)

    Lawley, Sean D.; Keener, James P.

    2017-10-01

    The behavior of many biochemical processes depends crucially on molecules rapidly rebinding after dissociating. In the case of multisite protein modification, the importance of rebinding has been demonstrated both experimentally and through several recent computational studies involving stochastic spatial simulations. As rebinding stems from spatio-temporal correlations, theorists have resorted to models that explicitly include space to properly account for the effects of rebinding. However, for reactions in three space dimensions it was recently shown that well-mixed ordinary differential equation (ODE) models can incorporate rebinding by adding connections to the reaction network. The rate constants for these new connections involve the probability that a pair of molecules rapidly rebinds after dissociation. In order to study biochemical reactions on membranes, in this paper we derive an explicit formula for this rebinding probability for reactions in two space dimensions. We show that ODE models can use the formula to replicate detailed stochastic spatial simulations, and that the formula can predict ultrasensitivity for reactions involving multisite modification of membrane-bound proteins. Further, we compute a new concentration-dependent rebinding probability for reactions in three space dimensions. Our analysis predicts that rebinding plays a much larger role in reactions on membranes compared to reactions in cytoplasm.

  4. Biochemical research elucidating metabolic pathways in Pneumocystis*

    Directory of Open Access Journals (Sweden)

    Kaneshiro E.S.

    2010-12-01

    Full Text Available Advances in sequencing the Pneumocystis carinii genome have helped identify potential metabolic pathways operative in the organism. Also, data from characterizing the biochemical and physiological nature of these organisms now allow elucidation of metabolic pathways as well as pose new challenges and questions that require additional experiments. These experiments are being performed despite the difficulty in doing experiments directly on this pathogen that has yet to be subcultured indefinitely and produce mass numbers of cells in vitro. This article reviews biochemical approaches that have provided insights into several Pneumocystis metabolic pathways. It focuses on 1 S-adenosyl-L-methionine (AdoMet; SAM, which is a ubiquitous participant in numerous cellular reactions; 2 sterols: focusing on oxidosqualene cyclase that forms lanosterol in P. carinii; SAM:sterol C-24 methyltransferase that adds methyl groups at the C-24 position of the sterol side chain; and sterol 14őĪ-demethylase that removes a methyl group at the C-14 position of the sterol nucleus; and 3 synthesis of ubiquinone homologs, which play a pivotal role in mitochondrial inner membrane and other cellular membrane electron transport.

  5. [Biochemical principles of early saturnism recognition].

    Science.gov (United States)

    Tsimakuridze, M P; Mansuradze, E A; Zurashvili, D G; Tsimakuridze, M P

    2009-03-01

    The aim of the work is to determine the major sensitive criteria of biochemical indicators that allow timely discovery of negative influence of lead on organism and assist in early diagnosis of primary stages of saturnism. The workers of Georgian typographies, performing technological processes of letterpress printing were observed. Professional groups having contact with lead aerosols (main group of 66 people) and the workers of the same typography not being in touch with the poison (control group of 24 people) were studied. It was distinguished that, protracted professional contact with lead causes moderate increase of lead, coproporphyrin and DALA in daily urine in most cases; it is more clearly evidenced in the professional groups of lead smelters and lino operators and less clearly among typesetter and printers. Upon the checkup of people, having a direct contact with lead, biochemical analysis of urine should be given a preference, especially the determination of quantitative content of lead and coproporphyrin in urine with the aim of revealing the lead carrier, which is one of the first signals for occupational lookout and medical monitoring of the similar contingent.

  6. Pulmonary biochemical alterations resulting from ozone exposure

    Energy Technology Data Exchange (ETDEWEB)

    Mustafa, M.G.; Lee, S.D.

    1976-07-01

    Metabolic response of lung tissue to ozone was studied in rats and monkeys after exposure of animals to various levels of ozone (0.1 to 0.8 ppM) for 1 to 30 days. In rats, 0.8 ppM ozone exposure resulted in a 40 to 50 percent augmentation of oxygen utilization in lung homogenate in the presence of an added substrate (e.g., succinate or 2-oxoglutarate). Activities of marker enzymes, viz. mitochondrial succinate-cytochrome c reductase; microsomal NADPH-cytochrome c reductase and cytosolic glucose-6-phosphate dehydrogenase, increased maximally (40 to 70 percent over control) after 3 to 4 days of exposure, and remained elevated throughout the 0.8 ppM ozone exposure for 30 days. In monkeys, the observations were the same except that the magnitude of biochemical changes was relatively smaller. Exposure of animals to lower levels of ozone resulted in proportionately smaller biochemical changes in the lung, and ozone effects were detectable up to the 0.2 ppM level. While 0.1 ppM ozone exposure was ineffective, dietary deficiency of vitamin E, a natural antioxidant, increased the sensitivity of rat lungs to this concentration of ozone. The results suggest that low-level ozone exposures may cause metabolic alterations in the lung, and that dietary supplementation of vitamin E may offer protection against oxidant stress.

  7. Biochemical Manifestation of HIV Lipodystrophy Syndrome.

    Science.gov (United States)

    Ihenetu, Kenneth; Mason, Darius

    2012-01-01

    Highly active anti-retroviral therapy (HAART), including protease inhibitors (PI) have led to dramatic improvements in the quality and quantity of life in patients with acquired immunodeficiency syndrome (AIDS). However, a significant number of AIDS patients on HAART develop characteristic changes in body fat redistribution referred to as lipodystrophy syndrome (LDS). Features of LDS include hypertrophy in the neck fat pad (buffalo hump), increased fat in the abdominal region (protease paunch), gynecomastia and loss of fat in the mid-face and extremities. The aim of this paper is to review the current knowledge regarding this syndrome. This article reviews the published investigations on biochemical manifestation of HIV lipodystrophy syndrome. It is estimated that approximately 64% of patients treated with PI will experience this syndrome. Biochemically, these patients have increased triglycerides (Trig), total cholesterol (TC), low-density lipoprotein-cholesterol (LDL-C) and extremely low high-density lipoprotein-cholesterol (HDL-C). It is hoped that awareness of this syndrome would aid in early diagnosis and better patient management, possibly leading to a lower incidence of cardiovascular complications among these patients.

  8. Biochemical markers of neonatal myocardial dysfunction.

    Science.gov (United States)

    Almeida, Cristina Maria; Carrapato, Manuel R G; Pinto, Fernando; Pinto, Mariana; Ferreira, Sofia; Schmitt, Denise; Marinho, Luis

    2011-04-01

    Cardiac ultrasounds (US) are not always available at the bedside. Cardiac Troponin I (cTnI), CK-MB and NT-proBNP may be an alternative or complementary to influence evaluation and treatment. To determine reference ranges of biochemical markers cTnI, CK-MB and NT-proBNP in normal neonates. Cord and blood samples were collected from neonates and the above biochemical markers were determined. Ultrasounds were performed blindly. CK-MB remains constant from cord blood to the first day, declining thereafter to almost half the values (81.5 vs 52.0 U/l); cTnI increases from 0.004 to 0.058 ng/ml by 72 h falling to 0.030 by day 10; NT-proBNP peaks by 24 h (5085.5 pg/ml), subsiding to 3388.5 pg/ml by day 3, falling to 1316.0 pg/ml by day 10. CK-MB, mostly of muscle origin and reflecting labor stress or injury, is not to recommend as a measure of myocardial damage in the neonate. The rise in cTnI may be explained by a degree of myocardial involvement, albeit physiological. The initial rise and subsequent fall of NT-proBNP represents the physiological ventricular overload of transient birth adaptation.

  9. Les effets des grandes exploitations minières sur les collectivités ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    15 juil. 2011 ... L'activité minière fait partie de la culture chilienne depuis l'époque précoloniale. Mais, après que le gouvernement eut instauré des stimulants à l'investissement dans les années 1980, le paysage minier du Chili s'est radicalement transformé avec l'arrivée massive de sociétés étrangères venues explorer ...

  10. Rahvaliitlaste rahalaevad roostetavad kai ääres / Sten-Aleks Pihlak

    Index Scriptorium Estoniae

    Pihlak, Sten-Aleks

    2007-01-01

    Rahvaliidule l√§hedal seisvad √§rimehed m√ľ√ľsid riigile maha vanu kalalaevu, et neid √Ķppelaevadena kasutada, kuid n√ľ√ľd roostetavad laevad kai √§√§res. Vt. samas: Lobby ekstraklass - minister tegi k√Ķik, mis soovitud; Kalurite liit on t√§naseks laiali jooksnud; Undrest jr v√Ķitles toetuse v√§lja kohtus; √úheksast √Ķppelaevaks muudetud alusest √Ķpitakse p√§riselt vaid m√Ķnel. K√ľsimustele vastab endine p√Ķllumajandusminister Ester Tuiksoo. Kommenteerivad Toivo Orgussaar ja J√ľri Lember

  11. Nature des dommages caus√©s par les piq√Ľres alimentaires des ...

    African Journals Online (AJOL)

    Ces piq√Ľres ont provoqu√© des n√©croses sur les p√©tales et les √©tamines qui ont √©t√© totalement ou partiellement d√©truites. Ces dommages ont d√©velopp√© sur les boutons floraux le ph√©nom√®ne d'abscission. Par contre, sur les jeunes capsules infest√©es, les r√©sultats ont montr√© que les d√©g√Ęts caus√©s par H. schoutedeni ont √©t√©¬†...

  12. HiRes camera and LIDAR ranging system for the Clementine mission

    Energy Technology Data Exchange (ETDEWEB)

    Ledebuhr, A.G.; Kordas, J.F.; Lewis, I.T. [and others

    1995-04-01

    Lawrence Livermore National Laboratory developed a space-qualified High Resolution (HiRes) imaging LIDAR (Light Detection And Ranging) system for use on the DoD Clementine mission. The Clementine mission provided more than 1.7 million images of the moon, earth, and stars, including the first ever complete systematic surface mapping of the moon from the ultra-violet to near-infrared spectral regions. This article describes the Clementine HiRes/LIDAR system, discusses design goals and preliminary estimates of on-orbit performance, and summarizes lessons learned in building and using the sensor. The LIDAR receiver system consists of a High Resolution (HiRes) imaging channel which incorporates an intensified multi-spectral visible camera combined with a Laser ranging channel which uses an avalanche photo-diode for laser pulse detection and timing. The receiver was bore sighted to a light-weight McDonnell-Douglas diode-pumped ND:YAG laser transmitter that emmitted 1.06 {micro}m wavelength pulses of 200 mJ/pulse and 10 ns pulse-width, The LIDAR receiver uses a common F/9.5 Cassegrain telescope assembly. The optical path of the telescope is split using a color-separating beamsplitter. The imaging channel incorporates a filter wheel assembly which spectrally selects the light which is imaged onto a custom 12 mm gated image intensifier fiber-optically-coupled into a 384 x 276 pixel frame transfer CCD FPA. The image intensifier was spectrally sensitive over the 0.4 to 0.8 {micro}m wavelength region. The six-position filter wheel contained 4 narrow spectral filters, one broadband and one blocking filter. At periselene (400 km) the HiRes/LIDAR imaged a 2.8 km swath width at 20-meter resolution. The LIDAR function detected differential signal return with a 40-meter range accuracy, with a maximum range capability of 640 km, limited by the bit counter in the range return counting clock.

  13. Technical and economic analysis of the European electricity system with 60% RES

    International Nuclear Information System (INIS)

    Burtin, Alain; Silva, Vera

    2015-01-01

    This document examines the impacts of the integration of a large share of variable renewable generation into the generation mix of the European interconnected electricity system. The analysis, which is based on the results of long term studies performed by EDF R and D, aims at improving the current understanding of the technical and economic feasibility of a massive deployment of wind and PV across the European system. The document addresses several aspects of the system integration of variable generation in particular, including the characterization of variable RES generation, the need for generation and interconnection infrastructure, the impacts on short-term system operation and market profitability. (authors)

  14. High Resolution Model Intercomparison Project (HighResMIP v1.0 for CMIP6

    Directory of Open Access Journals (Sweden)

    R. J. Haarsma

    2016-11-01

    Full Text Available Robust projections and predictions of climate variability and change, particularly at regional scales, rely on the driving processes being represented with fidelity in model simulations. The role of enhanced horizontal resolution in improved process representation in all components of the climate system is of growing interest, particularly as some recent simulations suggest both the possibility of significant changes in large-scale aspects of circulation as well as improvements in small-scale processes and extremes. However, such high-resolution global simulations at climate timescales, with resolutions of at least 50‚ÄĮkm in the atmosphere and 0.25¬į in the ocean, have been performed at relatively few research centres and generally without overall coordination, primarily due to their computational cost. Assessing the robustness of the response of simulated climate to model resolution requires a large multi-model ensemble using a coordinated set of experiments. The Coupled Model Intercomparison Project¬†6 (CMIP6 is the ideal framework within which to conduct such a study, due to the strong link to models being developed for the CMIP DECK experiments and other model intercomparison projects (MIPs. Increases in high-performance computing (HPC resources, as well as the revised experimental design for CMIP6, now enable a detailed investigation of the impact of increased resolution up to synoptic weather scales on the simulated mean climate and its variability. The High Resolution Model Intercomparison Project (HighResMIP presented in this paper applies, for the first time, a multi-model approach to the systematic investigation of the impact of horizontal resolution. A coordinated set of experiments has been designed to assess both a standard and an enhanced horizontal-resolution simulation in the atmosphere and ocean. The set of HighResMIP experiments is divided into three tiers consisting of atmosphere-only and coupled runs and spanning the period

  15. Des compagnes, des épouses, des mères

    OpenAIRE

    Robert-Guiard, Claudine

    2017-01-01

    Compagnes, √©pouses et m√®res sont pour les femmes les r√īles attendus par les hommes, voire par elles-m√™mes et aussi par les √Čtats. Quand il s‚Äôagit de peupler un territoire, un gouvernement a besoin, encore plus imp√©rativement qu‚Äôen situation normale, que les femmes remplissent au mieux ces fonctions qui leur sont traditionnellement, et g√©n√©tiquement pour la maternit√©, d√©volues. Dans ces r√īles les femmes sont pratiquement indissociables de leurs enfants et de leur compagnon ou mari. √Čtudier les...

  16. Bourse de recherche : Santé des mères et des enfants | CRDI ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    Pour aider ces populations vuln√©rables, il faut renforcer les syst√®mes de soins primaires et am√©liorer la fa√ßon dont les renseignements sur la sant√© sont recueillis, analys√©s et utilis√©s afin de s'assurer que les ressources sont affect√©es l√† o√Ļ les besoins se font le plus sentir. Le programme Sant√© des m√®res et des enfants¬†...

  17. Reaproveitamento de res√≠duos de MDF da ind√ļstria moveleira

    OpenAIRE

    Aline Freitas da Silva; Carolina Finamore de Figueiredo

    2010-01-01

    Esta pesquisa √© o estudo do reaproveitamento de res√≠duos de MDF da Cimol, uma ind√ļstria do Polo Moveleiro de Linhares, Esp√≠rito Santo, e apresenta conceitos como design sustent√°vel, Ecodesign, Cradle to Cradle e outros. Dentro do contexto abordado, o designer tem contribu√≠do para a busca de solu√ß√Ķes, analisando custo-benef√≠cio de produtos que atendam as necessidades de seus usu√°rios, sem que isso deixe de garantir √†s gera√ß√Ķes futuras os recursos necess√°rios para a manuten√ß√£o da vida. Com base...

  18. Bilan des flux de matières particulaires et dissoutes du Sassandra à ...

    African Journals Online (AJOL)

    Ce travail a pour objectif l'estimation des apports du fleuve Sassandra. C'est dans ce cadre que les flux de matières particulaires et dissoutes ont été mesurés au cours de l'année 2003 sur le fleuve Sassandra, à la station hydrométrique de Gaoulou. La méthodologie adoptée a consisté à déterminer d'abord les ...

  19. Relever les défis environnementaux pour les filières cotonnières d'Afrique de l'Ouest et du Centre

    Directory of Open Access Journals (Sweden)

    Mergeai G.

    2006-01-01

    , permanent vegetablecover, etc. and to avoid the negative impact on the produced biomass of the animal divagation and bush fi res. This supposesactions on the level of the land security of the producers, management of the bush fi res and resolution of the potential confl ictsbetween farmers and transhumant stockbreeders. The profi tability of the cotton systems also depends on an effective controlat the best cost of the pests to face the development of resistances to pesticides (in particular to pyrethrinoids. The solution bythe genetically modifi ed plants is the subject of debates with different attitudes from a country to another. The possible answersto take up the environmental challenges to which the cotton production and marketing chains are confronted are discussed inthe present communication.

  20. The res judicata rule in jurisdictional decisions of the international Court of justice

    Directory of Open Access Journals (Sweden)

    Kreńáa Milenko

    2014-01-01

    Full Text Available The author discusses the effects of the res judicata rule as regards jurisdictional decisions of the International Court of Justice. He finds that there exists a special position of a judgment on preliminary objection in respect to both aspects of the res judicata rule - its binding force and finality. A perception of distinct relativity of a jurisdictional decision of the Court, expressing its interlocatory character pervades, in his opinion, the body of law regulating the Court's activity. Preliminary objections as such do not exhaust objections to the jurisdiction of the Court, as evidenced by non-preliminary objections to the jurisdiction of the Court giving rise to the application of the principle compétence de la compétence understood in the narrow sense. With regard to the binding force of a judgment on preliminary objections, it does not create legal obligations stricto sensu. The author finds that the relative character of jurisdictional decisions of the Court as compared with a judgment on the merits is justified on a number of grounds.

  1. Nanoparticles Escaping RES and Endosome: Challenges for siRNA Delivery for Cancer Therapy

    Directory of Open Access Journals (Sweden)

    Shutao Guo

    2011-01-01

    Full Text Available Small interfering RNAs (siRNAs technology has emerged as a promising potential treatment for viral, genetic diseases and cancers. Despite the powerful therapeutic potential of siRNA, there are challenges for developing efficient and specific delivery systems for systemic administration. There are extracellular and intracellular barriers for nanoparticle-mediated delivery. First, nanoparticles are rapidly cleared from the circulation by the reticuloendothelial system (RES. Second, following their cellular uptake, nanoparticles are trapped in endosomes/lysosomes, where siRNA would be degraded by enzymes. In this review, we describe strategies for grafting a polyethylene glycol (PEG brush to the nanoparticles for evading RES, such that they may effectively accumulate in the tumor by the enhanced permeability and retention (EPR effect. PEG has to shed from the nanoparticles to allow close interaction with the tumor cells. Current strategies for facilitating endosome escape, such as ion pair formation, ‚Äúproton sponge effect‚ÄĚ, destabilizing endosome membrane, and hydrophobic modification of the vector, are discussed.

  2. Electric personnel carrier introduced : RES Equipment Sales spearheads development of electric underground vehicle

    International Nuclear Information System (INIS)

    Tollinsky, N.

    2010-01-01

    RES Equipment Sales of Dryden, Ontario is leading the development of a battery-powered personnel utility vehicle for underground mining applications. Among the advantages of the battery-powered personnel carrier are quietness of the carrier and zero emissions, which eliminates particulates from diesel engines and reduces the need for ventilation. This article discussed the design and building of the vehicle. It was designed to accommodate up to 3 battery packs, depending on the frequency of use. Swapping batteries takes between 2 or 3 minutes. Spent batteries must be plugged in for 6 hours and rest for another 6 to 8 hours before being ready for service. The vehicle accommodates 2 or 3 people and travels at speeds of 6 to 8 miles per hour. This article also provided background information on RES Equipment Sales. The company remanufactures underground mining equipment, including load-haul-dump machines, jumbos, haul trucks and utility vehicles. In addition, the company sells and services new equipment, including Oldenburg Cannon jumbos, scalers and utility vehicles, as well as Canun International pneumatic rock drills and NPK rock breakers. 1 ref., 1 fig.

  3. THE INVESTIGATION OF BIOCHEMICAL CONTENT OF Elaeagnus angustifolia

    OpenAIRE

    yńĪldńĪrńĪm, IŇüńĪl

    2018-01-01

    AbstractStudies about herbal products are increasing every day due to their rich biochemical content. Elaeagnus angustofolia is one of the best known plant species to have a strong biochemical substance spectrum. This work was performed to identify the some biochemical content of Eleagnus angustofolia. In this study, vitamins A, E, and C, total sugar content, inverted sugar content, cellulose content, amount of total protein, and fatty acid properties were studied. Our investigations revealed...

  4. BioNessie - a grid enabled biochemical networks simulation environment

    OpenAIRE

    Liu, X.; Jiang, J.; Ajayi, O.; Gu, X.; Gilbert, D.; Sinnott, R.O.

    2008-01-01

    The simulation of biochemical networks provides insight and understanding about the underlying biochemical processes and pathways used by cells and organisms. BioNessie is a biochemical network simulator which has been developed at the University of Glasgow. This paper describes the simulator and focuses in particular on how it has been extended to benefit from a wide variety of high performance compute resources across the UK through Grid technologies to support larger scale simulations.

  5. Biochemical Measurements of the Human Stress Response

    Science.gov (United States)

    1984-03-01

    8217 biochemical stress response. Dr Thomas Longridge was the project scientist and Dr Joe De Maio was the task scientist. This research was conducted by the...under condition A described in next paragraph. Second, DOPAC, MHPG, HVA, 5-HIAA, and VMA were determined by a modified method of Joseph, Kadam , and...n tt Ln 0 0 vJ 0 (N ’lw %.D w 0 0) to CI la, co 0 (r) Ch 𔃺I I 0 𔃺 0 0 0 (’) v 01-4 V~ 4 Hn qqJ Ln NOD & OD N r- ai r, m 0 ~ $4 c4 H 0 OI H r) (n t

  6. Prions: the danger of biochemical weapons

    Directory of Open Access Journals (Sweden)

    Eric Almeida Xavier

    2014-09-01

    Full Text Available The knowledge of biotechnology increases the risk of using biochemical weapons for mass destruction. Prions are unprecedented infectious pathogens that cause a group of fatal neurodegenerative diseases by a novel mechanism. They are transmissible particles that are devoid of nucleic acid. Due to their singular characteristics, Prions emerge as potential danger since they can be used in the development of such weapons. Prions cause fatal infectious diseases, and to date there is no therapeutic or prophylactic approach against these diseases. Furthermore, Prions are resistant to food-preparation treatments such as high heat and can find their way from the digestive system into the nervous system; recombinant Prions are infectious either bound to soil particles or in aerosols. Therefore, lethal Prions can be developed by malicious researchers who could use it to attack political enemies since such weapons cause diseases that could be above suspicion.

  7. Biochemical composition of marine monogenean parasite eggs.

    Science.gov (United States)

    Brazenor, Alexander K; Francis, David S; Hutson, Kate S; Carton, Alexander G

    2017-12-01

    This study on the eggs of the tropical monogenean Neobenedenia girellae presents the first detailed quantitative biochemical information of a marine parasite species' eggs. Moisture and protein composed the majority of the contents of freshly laid eggs (79.12¬Ī0.82 and 11.51¬Ī0.49% respectively) followed by lipid (2.50¬Ī0.15%). Lipids were composed of approximately equal amounts of saturated, monounsaturated, and polyunsaturated fatty acids and the predominant lipid class was triacylglycerol (33.82¬Ī1.20%). This study represents a fundamental step towards a better understanding of the early life biology of this important species of parasite. Copyright ¬© 2017. Published by Elsevier B.V.

  8. Biochemical Basis of Sestrin Physiological Activities

    Energy Technology Data Exchange (ETDEWEB)

    Ho, Allison; Cho, Chun-Seok; Namkoong, Sim; Cho, Uhn-Soo; Lee, Jun Hee (Michigan)

    2016-05-10

    Excessive accumulation of reactive oxygen species (ROS) and chronic activation of mechanistic target of rapamycin (mTOR) complex 1 (mTORC1) are well-characterized promoters of aging and age-associated degenerative pathologies. Sestrins, a family of highly conserved stress-inducible proteins, are important negative regulators of both ROS and mTORC1 signaling pathways; however, the mechanistic basis of how Sestrins suppress these pathways remains elusive. In the past couple of years, breakthrough discoveries about Sestrin signaling and its molecular nature have markedly increased our biochemical understanding of Sestrin function. These discoveries have also uncovered new potential therapeutic strategies that may eventually enable us to attenuate aging and age-associated diseases.

  9. Highly valuable microalgae: biochemical and topological aspects.

    Science.gov (United States)

    Pignolet, Olivier; Jubeau, Sébastien; Vaca-Garcia, Carlos; Michaud, Philippe

    2013-08-01

    The past decade has seen a surge in the interest in microalgae culture for biodiesel production and other applications as renewable biofuels as an alternative to petroleum transport fuels. The development of new technologies for the culture of these photosynthetic microorganisms and improved knowledge of their biochemical composition has spurred innovation in the field of high-value biomolecules. These developments are only economically viable if all the microalgae fractions are valorized in a biorefinery strategy. Achieving this objective requires an understanding of microalgae content and the cellular localization of the main biomolecular families in order to develop efficient harvest and sequential recovery technologies. This review summarizes the state of the art in microalgae compositions and topologies using some examples of the main industrially farmed microalgae.

  10. Physico-Biochemical aspects of Shock

    Directory of Open Access Journals (Sweden)

    Kulkarni M.D.

    2009-08-01

    Full Text Available Shock is a clinical condition characterized by decreased blood flow to vital organs due to imbalance between size of vascular bed and effective circulating blood volume and the inability of body tissues to metabolize nutrients normally. The decreased blood flow to vital organs like kidney, liver, spleen, brain etc. is caused by pulling and stagnation blood elsewhere in circulation. The defective blood flow to tissues implies incomplete oxygen supply to the cells, tissues and organs consequent effect being interference with metabolism. It is very essential to study physicobiochemical aspect of shock because after knowing the pathways involved in various physio -pathological processes, we can undertake effective treatment and there by shock can be satisfactorily treated and prevented. Following are the various physico-biochemical processes stated by various workers to study the shock. [Vet. World 2009; 2(4.000: 161-162

  11. Hemoglobin Variants: Biochemical Properties and Clinical Correlates

    Science.gov (United States)

    Thom, Christopher S.; Dickson, Claire F.; Gell, David A.; Weiss, Mitchell J.

    2013-01-01

    Diseases affecting hemoglobin synthesis and function are extremely common worldwide. More than 1000 naturally occurring human hemoglobin variants with single amino acid substitutions throughout the molecule have been discovered, mainly through their clinical and/or laboratory manifestations. These variants alter hemoglobin structure and biochemical properties with physiological effects ranging from insignificant to severe. Studies of these mutations in patients and in the laboratory have produced a wealth of information on hemoglobin biochemistry and biology with significant implications for hematology practice. More generally, landmark studies of hemoglobin performed over the past 60 years have established important paradigms for the disciplines of structural biology, genetics, biochemistry, and medicine. Here we review the major classes of hemoglobin variants, emphasizing general concepts and illustrative examples. PMID:23388674

  12. Dynamic analysis of biochemical network using complex network method

    Directory of Open Access Journals (Sweden)

    Wang Shuqiang

    2015-01-01

    Full Text Available In this study, the stochastic biochemical reaction model is proposed based on the law of mass action and complex network theory. The dynamics of biochemical reaction system is presented as a set of non-linear differential equations and analyzed at the molecular-scale. Given the initial state and the evolution rules of the biochemical reaction system, the system can achieve homeostasis. Compared with random graph, the biochemical reaction network has larger information capacity and is more efficient in information transmission. This is consistent with theory of evolution.

  13. √Čvolution des param√®tres biochimiques chez les vaches laiti√®res ...

    African Journals Online (AJOL)

    expérimentation, ont servi au dosage des paramètres biochimiques. Au deuxième prélèvement ... Blood samples collected before the experiment and during the experiment, were used for the analysis of the biochemical parameters. During the second ...

  14. Pattern Selection by Dynamical Biochemical Signals

    Science.gov (United States)

    Palau-Ortin, David; Formosa-Jordan, Pau; Sancho, Jos√©¬†M.; Iba√Īes, Marta

    2015-01-01

    The development of multicellular organisms involves cells to decide their fate upon the action of biochemical signals. This decision is often spatiotemporally coordinated such that a spatial pattern arises. The dynamics that drive pattern formation usually involve genetic nonlinear interactions and positive feedback loops. These complex dynamics may enable multiple stable patterns for the same conditions. Under these circumstances, pattern formation in a developing tissue involves a selection process: why is a certain pattern formed and not another stable one? Herein we computationally address this issue in the context of the Notch signaling pathway. We characterize a dynamical mechanism for developmental selection of a specific pattern through spatiotemporal changes of the control parameters of the dynamics, in contrast to commonly studied situations in which initial conditions and noise determine which pattern is selected among multiple stable ones. This mechanism can be understood as a path along the parameter space driven by a sequence of biochemical signals. We characterize the selection process for three different scenarios of this dynamical mechanism that can take place during development: the signal either 1) acts in all the cells at the same time, 2) acts only within a cluster of cells, or 3) propagates along the tissue. We found that key elements for pattern selection are the destabilization of the initial pattern, the subsequent exploration of other patterns determined by the spatiotemporal symmetry of the parameter changes, and the speeds of the path compared to the timescales of the pattern formation process itself. Each scenario enables the selection of different types of patterns and creates these elements in distinct ways, resulting in different features. Our approach extends the concept of selection involved in cellular decision-making, usually applied to cell-autonomous decisions, to systems that collectively make decisions through cell

  15. Biochemically enhanced methane production from coal

    Science.gov (United States)

    Opara, Aleksandra

    For many years, biogas was connected mostly with the organic matter decomposition in shallow sediments (e.g., wetlands, landfill gas, etc.). Recently, it has been realized that biogenic methane production is ongoing in many hydrocarbon reservoirs. This research examined microbial methane and carbon dioxide generation from coal. As original contributions methane production from various coal materials was examined in classical and electro-biochemical bench-scale reactors using unique, developed facultative microbial consortia that generate methane under anaerobic conditions. Facultative methanogenic populations are important as all known methanogens are strict anaerobes and their application outside laboratory would be problematic. Additional testing examined the influence of environmental conditions, such as pH, salinity, and nutrient amendments on methane and carbon dioxide generation. In 44-day ex-situ bench-scale batch bioreactor tests, up to 300,000 and 250,000 ppm methane was generated from bituminous coal and bituminous coal waste respectively, a significant improvement over 20-40 ppm methane generated from control samples. Chemical degradation of complex hydrocarbons using environmentally benign reagents, prior to microbial biodegradation and methanogenesis, resulted in dissolution of up to 5% bituminous coal and bituminous coal waste and up to 25% lignite in samples tested. Research results confirm that coal waste may be a significant underutilized resource that could be converted to useful fuel. Rapid acidification of lignite samples resulted in low pH (below 4.0), regardless of chemical pretreatment applied, and did not generate significant methane amounts. These results confirmed the importance of monitoring and adjusting in situ and ex situ environmental conditions during methane production. A patented Electro-Biochemical Reactor technology was used to supply electrons and electron acceptor environments, but appeared to influence methane generation in a

  16. Robust simplifications of multiscale biochemical networks

    Directory of Open Access Journals (Sweden)

    Zinovyev Andrei

    2008-10-01

    Full Text Available Abstract Background Cellular processes such as metabolism, decision making in development and differentiation, signalling, etc., can be modeled as large networks of biochemical reactions. In order to understand the functioning of these systems, there is a strong need for general model reduction techniques allowing to simplify models without loosing their main properties. In systems biology we also need to compare models or to couple them as parts of larger models. In these situations reduction to a common level of complexity is needed. Results We propose a systematic treatment of model reduction of multiscale biochemical networks. First, we consider linear kinetic models, which appear as "pseudo-monomolecular" subsystems of multiscale nonlinear reaction networks. For such linear models, we propose a reduction algorithm which is based on a generalized theory of the limiting step that we have developed in 1. Second, for non-linear systems we develop an algorithm based on dominant solutions of quasi-stationarity equations. For oscillating systems, quasi-stationarity and averaging are combined to eliminate time scales much faster and much slower than the period of the oscillations. In all cases, we obtain robust simplifications and also identify the critical parameters of the model. The methods are demonstrated for simple examples and for a more complex model of NF-őļB pathway. Conclusion Our approach allows critical parameter identification and produces hierarchies of models. Hierarchical modeling is important in "middle-out" approaches when there is need to zoom in and out several levels of complexity. Critical parameter identification is an important issue in systems biology with potential applications to biological control and therapeutics. Our approach also deals naturally with the presence of multiple time scales, which is a general property of systems biology models.

  17. Diagnose da gest√£o de res√≠duos s√≥lidos no setor moveleiro da RMC e contribui√ß√Ķes para o projeto da central de res√≠duos

    OpenAIRE

    Herbst, Elcio, 1965-

    2012-01-01

    Resumo: O setor moveleiro √© um grande gerador de res√≠duos s√≥lidos e seu gerenciamento √© de extrema import√Ęncia, principalmente quanto √† destina√ß√£o final dos mesmos. A quest√£o ‚Äúsustentabilidade‚ÄĚ hoje est√° inserida nas diretrizes empresariais com o objetivo de reduzir o impacto ambiental de suas atividades, todavia, a gest√£o de res√≠duos ainda √© incipiente e menos de 5% das ind√ļstrias do setor disp√Ķem de programas de conserva√ß√£o ambiental. O presente estudo fez um diagn√≥stico da gest√£o de res√≠du...

  18. Marchés libres vs système de prix producteurs: pourquoi les marchés de matières premières se financiarisent-ils?

    OpenAIRE

    Yves Jégourel

    2015-01-01

    La financiarisation des fili√®res de mati√®res premi√®res trouve ses origines bien au-del√† de la participation accrue des fonds d‚Äôinvestissement sur les march√©s ¬ę futures ¬Ľ. Elle doit fondamentalement se comprendre comme la cons√©quence de l‚Äôincapacit√© progressive des acteurs qui les composent √† g√©rer en commun le risque de prix qui d√©coule du transfert du produit, de l‚Äôamont vers l‚Äôaval. Cette dynamique s‚Äôest affirm√©e depuis la fin des ann√©es 1970, mais il est probable que la chute actuelle des ...

  19. Avalia√ß√£o do gerenciamento dos res√≠duos de medicamentos e demais res√≠duos de servi√ßos de sa√ļde na Regi√£o Serrana de Santa Catarina

    Directory of Open Access Journals (Sweden)

    Juliana Aparecida Souza Amarante

    2016-10-01

    Full Text Available RESUMO A gest√£o de res√≠duos dos servi√ßos de sa√ļde (RSS constitui um grande desafio para o poder p√ļblico, pois, apesar do avan√ßo nos aspectos legislativos, ainda h√° grandes defici√™ncias, especialmente relacionadas aos res√≠duos de medicamentos descartados inadequadamente. Este estudo teve como objetivo caracterizar o processo de descarte de drogas e res√≠duos dos servi√ßos de sa√ļde humana e veterin√°ria em uma cidade de m√©dio porte da Regi√£o Serrana de Santa Catarina. Foram realizadas visitas √†s unidades participantes, selecionadas por crit√©rios de conveni√™ncia, contemplando unidades de sa√ļde municipais, pet shops , cl√≠nicas veterin√°rias, hospital de atendimento humano, hospital de atendimento veterin√°rio e empresas coletoras, totalizando 15 unidades participantes. A coleta de dados ocorreu de mar√ßo a maio de 2014, com aplica√ß√£o de question√°rios e roteiro de observa√ß√£o de campo. Os resultados evidenciaram defici√™ncias no gerenciamento dos res√≠duos de medicamentos, assim como dos demais res√≠duos, nas etapas de segrega√ß√£o e armazenamento em institui√ß√Ķes de atendimento humano e veterin√°rio, com poucas exce√ß√Ķes. As maiores dificuldades foram observadas nos estabelecimentos de atendimento veterin√°rio, especialmente quanto √† segrega√ß√£o e ao armazenamento dos res√≠duos contaminados, √† falta de cuidado com material perfurocortante e √†s normas de biosseguran√ßa. A inexist√™ncia do Plano de Gerenciamento de Res√≠duos de Servi√ßos de Sa√ļde nas unidades de sa√ļde e no hospital veterin√°rio, assim como a falta de capacita√ß√Ķes aos profissionais, a dissimilaridade no descarte de medicamentos entre os estabelecimentos e a falta de fiscaliza√ß√£o por parte dos √≥rg√£os competentes foram os principais respons√°veis pelo atual cen√°rio de descarte inadequado dos res√≠duos na regi√£o.

  20. Avalia√ß√£o do gerenciamento dos res√≠duos de medicamentos e demais res√≠duos de servi√ßos de sa√ļde na Regi√£o Serrana de Santa Catarina

    Directory of Open Access Journals (Sweden)

    Juliana Aparecida Souza Amarante

    Full Text Available RESUMO A gest√£o de res√≠duos dos servi√ßos de sa√ļde (RSS constitui um grande desafio para o poder p√ļblico, pois, apesar do avan√ßo nos aspectos legislativos, ainda h√° grandes defici√™ncias, especialmente relacionadas aos res√≠duos de medicamentos descartados inadequadamente. Este estudo teve como objetivo caracterizar o processo de descarte de drogas e res√≠duos dos servi√ßos de sa√ļde humana e veterin√°ria em uma cidade de m√©dio porte da Regi√£o Serrana de Santa Catarina. Foram realizadas visitas √†s unidades participantes, selecionadas por crit√©rios de conveni√™ncia, contemplando unidades de sa√ļde municipais, pet shops , cl√≠nicas veterin√°rias, hospital de atendimento humano, hospital de atendimento veterin√°rio e empresas coletoras, totalizando 15 unidades participantes. A coleta de dados ocorreu de mar√ßo a maio de 2014, com aplica√ß√£o de question√°rios e roteiro de observa√ß√£o de campo. Os resultados evidenciaram defici√™ncias no gerenciamento dos res√≠duos de medicamentos, assim como dos demais res√≠duos, nas etapas de segrega√ß√£o e armazenamento em institui√ß√Ķes de atendimento humano e veterin√°rio, com poucas exce√ß√Ķes. As maiores dificuldades foram observadas nos estabelecimentos de atendimento veterin√°rio, especialmente quanto √† segrega√ß√£o e ao armazenamento dos res√≠duos contaminados, √† falta de cuidado com material perfurocortante e √†s normas de biosseguran√ßa. A inexist√™ncia do Plano de Gerenciamento de Res√≠duos de Servi√ßos de Sa√ļde nas unidades de sa√ļde e no hospital veterin√°rio, assim como a falta de capacita√ß√Ķes aos profissionais, a dissimilaridade no descarte de medicamentos entre os estabelecimentos e a falta de fiscaliza√ß√£o por parte dos √≥rg√£os competentes foram os principais respons√°veis pelo atual cen√°rio de descarte inadequado dos res√≠duos na regi√£o.

  1. Gest√£o de res√≠duos s√≥lidos no porto organizado de Salvador ‚Äď Bahia

    OpenAIRE

    Freitas, Caroline Dóres

    2015-01-01

    A presente pesquisa teve como objetivo avaliar o desempenho da gestão de resíduos sólidos no porto organizado de Salvador - Bahia. O desenvolvimento da pesquisa se deu inicialmente com a construção de um referencial teórico para caracterizar os modelos de gestão de resíduos sólidos em portos e identificar indicadores de desempenho que pudessem avaliar o desempenho da gestão de resíduos sólidos nos portos. Na falta de indicadores específicos para portos, foram levantados indicadores de áreas c...

  2. Effective RES blood flow changes in children with homozygous ő≤-thalassemia in relation to blood transfusion

    International Nuclear Information System (INIS)

    Karpathios, T.; Dimitriou, P.; Giamouris, J.; Nicolaidou, P.; Antipas, S.E.; Matsaniotis, N.

    1983-01-01

    Denatured radioiodinated human serum albumin (DHA) clearance studies at a dose of 1 mg/kg body wt., were carried out in 16 thalassemic children, prior to and 7-10 days following blood transfusion, to investigate changes of the effective RES blood flow which might accompany the posttransfusion spleen size diminution. A statistically significant increase (P<0.001) of the DHA plasma clearance rate was observed 7-10 days following blood transfusion denoting an increase of the blood flow to the effective RES while at the same time the spleen diminished in size. It is suggested that changes in the effective RES blood flow in these patients are directly related to changes in the intrasplenic circulatory capacity. (orig.)

  3. Argamassas mistas para alvenaria utilizando res√≠duo de caulim - Parte I: comportamento mec√Ęnico

    OpenAIRE

    Rocha,Aretuza K. A. da; Menezes,Romualdo Rodrigues; Neves,Gelmires de Ara√ļjo; Ferreira,Heber Carlos; Melo,Weyne Almeida de

    2008-01-01

    O caulim √© um material com vasta gama de aplica√ß√Ķes nos mais diversos setores industriais, como a ind√ļstria de papel e a cer√Ęmica. No entanto, sua extra√ß√£o e beneficiamento provocam a gera√ß√£o de enorme quantidade de res√≠duos. Assim, esse trabalho tem por objetivo analisar a utiliza√ß√£o do res√≠duo do beneficiamento do caulim como mat√©ria-prima alternativa em argamassas para a constru√ß√£o civil. O res√≠duo foi caracterizado atrav√©s da determina√ß√£o de sua composi√ß√£o qu√≠mica, difra√ß√£o de raios X e d...

  4. Utilização do resíduo de caulim em blocos de vedação

    OpenAIRE

    Rezende,Maria Luiza de S.; Menezes,Romualdo R.; Neves,Gelmires de Ara√ļjo; Nascimento,Jos√© Wallace B.; Leal,Antonio Farias

    2008-01-01

    O caulim √© uma argila com um grande n√ļmero de aplica√ß√Ķes industriais, no entanto sua produ√ß√£o gera uma enorme quantidade de res√≠duos. Assim, esse trabalho tem, por objetivo, estimar o volume de res√≠duo da produ√ß√£o de caulim acumulado na regi√£o produtora do Estado da Para√≠ba e analisar sua viabilidade como mat√©ria-prima alternativa para a produ√ß√£o de blocos de alvenaria de veda√ß√£o. O res√≠duo da produ√ß√£o do caulim foi classificado segundo sua periculosidade ambiental e, em seguida, caracterizad...

  5. Res√≠duos de antibi√≥ticos em leite cru de quatro regi√Ķes leiteiras no Brasil

    OpenAIRE

    Nero,Luís Augusto; Mattos,Marcos Rodrigues de; Beloti,Vanerli; Barros,Márcia Aguiar Ferreira; Franco,Bernadette Dora Gombossy de Melo

    2007-01-01

    A presen√ßa de res√≠duos de antibi√≥ticos em leite pode ter efeitos adversos para a sa√ļde p√ļblica e para a ind√ļstria de latic√≠nios. O objetivo desse estudo foi verificar a presen√ßa de res√≠duos de antibi√≥ticos pelo kit Charm-test‚ĄĘ (principalmente beta-lact√Ęmicos e sulfonamidas) em 210 amostras de leite cru, coletadas em quatro regi√Ķes produtoras de leite no Brasil: 47 em Vi√ßosa - MG, 50 em Pelotas - RS, 63 em Londrina PR e 50 em Botucatu - SP. Res√≠duos de antibi√≥ticos foram detectados em 24...

  6. Geração de biogás a partir da co-digestão de resíduos agroindustriais

    OpenAIRE

    Silva, Jayna Pessuto

    2015-01-01

    O crescimento nas atividades agroindustriais e industriais torna eminente o problema referente √† destina√ß√£o de res√≠duos gerados nestas atividades. Atualmente, a maior parte dos res√≠duos gerados s√£o destinados para aterros de res√≠duos industriais e, no caso de estercos su√≠nos para esterqueiras devido a viabilidade ambiental e econ√īmica. No entanto, a digest√£o anaer√≥bia (DA) √© uma solu√ß√£o para o tratamento de res√≠duos, sendo ambiental e economicamente vi√°vel, pois atrav√©s de microrganismos real...

  7. Les mélanges de polymères incompatibles Incompatible Polymer Mixtures

    Directory of Open Access Journals (Sweden)

    Serpe G.

    2006-11-01

    Full Text Available Les m√©langes de polym√®res thermoplastiques font actuellement l'objet d'un effort consid√©rable de recherche et de d√©veloppement. Cette synth√®se bibliographique concerne principalement les m√©langes m√©caniques de polym√®res incompatibles √† l'√©tat fondu. Ceux-ci ont une morphologie h√©t√©rog√®ne qui d√©pend des conditions de mise en oeuvre autant que de la nature des constituants. De plus, pour ce type de mat√©riaux, la nature de l'interface joue un r√īle d√©terminant sur la formation de la morphologie h√©t√©rog√®ne et donc sur les propri√©t√©s du produit final. D'autre part un probl√®me important r√©side dans la stabilit√© des m√©langes r√©alis√©s. L'ajout d'une faible quantit√© d'agent tensioactif de type copolym√®re s√©quenc√©, ou greff√©, ou la modification chimique des constituants (greffage ou r√©ticulation par exemple permet, dans certains cas d'am√©liorer tr√®s sensiblement les propri√©t√©s des m√©langes en augmentant l'adh√©rence entre les phases immiscibles. L'ensemble de ces consid√©rations permettent la r√©alisation industrielle de nouveaux mat√©riaux polym√®res aux caract√©ristiques sp√©cifiques. Thermoplastic polymer mixtures are currently the subject of considerable research and development efforts. This bibliographic synthesis deals mainly with melt blending process of incompatible polymers. These blends have a heterogeneous morphology that depends on the processing conditions as much as on the chemical structure of the componants. Likewise, for these materials the nature of the interface plays a decisive role on the formation of the heterogeneous morphology and hence on the properties on the end product. Furthermore, an important problem is to stabilize the morphology of the blends. Adding a small amount of surfactant of the sequenced of grafted copolymer type or, else, the chemical reaction of the constituents (e. g. grafting or branching during processing are ways in some cases of considerably improving the properties of

  8. 100% RES communities. Steps towards 100% renewable energy at local level in Europe. Motivations, approaches, examples

    International Nuclear Information System (INIS)

    Regnier, Yannick; Pidana, Paulina; Hanisch, Angela; Priesner, Georg C.; Mc Kinney, Simon; Buschmann, Pia; Csanaky, Lilla; Praillet, Frederic; Zanchini, Edoardo; Lefevre, Christelle; ); Marincek, Gorazd; Meiffren, Isabelle; Toplice, Liliana

    2015-01-01

    Enhanced in 2014, the energy and climate goals for 2030 of the European Union require the mobilization of everyone, everywhere. In a dynamic set to intensify rural territories, as well as cities, the communities have a major role to play. As the principal trustees of renewable resource deposits, they are the vanguard of the energy transition. Their strengths? Wind and water in abundance (very often), the sun of course, biomass - agricultural, forest, woodland, domestic, food processing - geothermal energy. With the desire to make this renewable capital live, it made some decide to take or regain control of the energy issue, reduce their energy bills and those of their inhabitants. Attracted by the opportunity to revitalize local economies and rural communes (alone or in groups) they are more likely to want to become 100% RES. But how to move from intention to action when faced with the lack of knowledge, or means, or when you feel too small to act? It is to assist you in developing your energy policy that this guide was written. Pragmatic, practical, it brings together the return on experience from partners and communities involved in 100% RES Communities project. For three years, elected representatives from rural areas, some experienced and some less, together with experts from 10 countries in Europe, have sought the best organizational, technical and financial means to reduce consumption and produce renewable energy. If because of the administrative, cultural, economic differences within the Union, all the territories do not enjoy the same facilities, the 100% RES Communities project has defined pragmatic methods, practices and tools which will make your work easier. You will find in this guide the key steps in defining your strategy and building your action plan. This is a feasible action plan to be shared and implemented with the stakeholders. A final note: because it is within networks that we discover new solutions, which can replenish the practices and

  9. CoRes utilization for building PCK in pre-service teacher education on the digestive system topic

    Science.gov (United States)

    Nugraha, Ikmanda

    2017-05-01

    Knowledge of teachers in learning activities in the classroom has a close relationship with how well and how much students learn. Recently, a promising development in teacher education has appeared that centers on the academic construct of pedagogical content knowledge (PCK). This study was an exploratory study into a science teacher education program that seeks to build the foundations on which pre-service teachers can begin to build their pedagogical content knowledge (PCK). The program involved the use of Content Representations (CoRes), which was initially applied as component of a strategy for exploring and gaining insights into the PCK of in-service science teachers. This study involved the researcher and 20 students (third year) in a pre-service teacher education course (School Science I) in science education when the students worked to make content analysis on the digestive system topic. During the course, the students make their own CoRes through a workshop for digestive system topic individually, in pairs and whole class discussion. Data were recorded from students' CoRes, student reflective journals, interviews, and field notes recorded in the researcher's reflective journal. Pre-service teachers' comments from interviews and reflective journals were coded in relation to references about: (1) the effectiveness of variety strategies in building the knowledge bases required to design a CoRes and (2) their awareness and/or development of tentative components of future PCK for a digestive system topic as a result of CoRes construction. Observational data were examined for indications of increasing independence and competency on the part of student teachers when locating appropriate information for designing their CoRes. From this study, it is hoped that the pre-service science teachers are able to build knowledge and then transform it into a form of PCK for digestive system topic for their first classroom planning and teaching to teach digestive system

  10. Who benefits from cooperation? A numerical analysis of redistribution effects resulting from cooperation in European RES-E support

    International Nuclear Information System (INIS)

    Unteutsch, Michaela

    2014-01-01

    This paper numerically analyzes redistribution effects resulting from cooperation among European countries in achieving the 2020 targets for electricity generation from renewable energy sources (RES-E). The quanti cation of redistribution effects builds on the theoretical analysis by Unteutsch (2014), who shows that cooperation in RES-E support increases overall welfare but is not beneficial for all groups. In this paper, we use a dynamic investment and dispatch optimization model of the European electricity system to investigate which groups potentially benefit from cooperation and which groups would be worse off compared to a situation in which national RES-E targets are reached solely by domestic RES-E production. In the analysis, cooperation in RES-E support is implemented as a European-wide green certificate trading scheme. Main findings of the analysis include that in the European electricity system, effects of the change in the certificate price in most countries would overcompensate for the effects of the change in the wholesale electricity price. Thus, in most countries with comparatively high (low) generation costs for renewable energies, consumer rents increase (decrease) due to cooperation and producers yield lower (higher) profits. In addition, it is found that the magnitude of redistribution effects between the individual groups is quite large: In some countries, the change in consumer rents or producer profits resulting from cooperation is nearly twice as high as the overall welfare effect of cooperation in the whole European electricity system. Moreover, we find that the sign, but not always the magnitude, of redistribution effects is quite robust to different developments of interconnector extensions, the CO 2 price and RES-E investment costs.

  11. El aprendizaje basado en problemas: De herejía artificial a res popularis Problem based learning: From artificial heresy to res popularis

    Directory of Open Access Journals (Sweden)

    L.A. Branda

    2009-03-01

    Full Text Available La extensa implementaci√≥n del aprendizaje basado en problemas (ABP en el proceso ense√Īanza-aprendizaje ha resultado en su transformaci√≥n de herej√≠a artificial a res popularis con la consecuente proliferaci√≥n de publicaciones, libros y congresos sobre el tema. A menudo, esta avalancha de informaci√≥n, ha creado una confusi√≥n en la comprensi√≥n de qu√© es el ABP como estrategia de aprendizaje. Este art√≠culo presenta al lector una definici√≥n de lo que se consider√≥ que era el ABP y su extensi√≥n, adem√°s de incluir la resoluci√≥n de problemas. Se indica la importancia de los objetivos de aprendizaje (resultados del aprendizaje y se presentan algunos pasos que se deben seguir en la preparaci√≥n de situaciones/escenarios/problemas/casos. De forma general, se describen la evaluaci√≥n de los estudiantes fundamentalmente formativa, basada en las observaciones hechas en las sesiones de tutor√≠a, y la evaluaci√≥n de car√°cter sumativo. La descripci√≥n de las etapas m√°s comunes en el ABP tiene el prop√≥sito de indicar lo que los estudiantes pueden hacer y no que deben hacer. Si se consideran las limitaciones de recursos que tienen la mayor√≠a de las instituciones que desean implementar el ABP, se describe la aplicaci√≥n de esta estrategia en grupos grandes. Se discute el rol del tutor facilitador y se indican las caracter√≠sticas de sus intervenciones en un continuo que va desde jer√°rquica a facilitadora de la autonom√≠a del estudiante en su aprendizaje. Este art√≠culo finaliza con una reflexi√≥n sobre el aprendizaje autodirigido y su relaci√≥n con el aprendizaje autorregulado.The vast use of problem based learning (PBL in the teaching-learning process has resulted in its transformation from an artificial heresy to a res popularis with the subsequent proliferation of publications, books and congresses on the subject. This deluge of information, very often, has created confusion on the comprehension of what PBL is as learning strategy. This

  12. Influencia de preservantes químicos sobre la vida de anaquel de carne de res molida

    OpenAIRE

    Santos, R.; Beldarraín, T.; Ramos, M.; Chang, L.; Martínez, C.; Bruselas, A.

    2008-01-01

    En este trabajo se emplearon lactato de sodio, metabisulfito de sodio, acetato de sodio y sorbato de potasio para la conservación de picadillo de carne de res. Se elaboró picadillo de res que se mezcló durante 5 a 10 min con los siguientes preservantes químicos: 1000 mg/kg de sorbato de potasio (Variante 2), 2 % de lactato de sodio más 0,3 % de acetato de sodio (Variante 3) y 450 mg/kg de SO2 adicionado como metabisulfito de sodio (Variante 4) y se hizo una variante co...

  13. Avaliação da toxicidade de resíduos industriais e urbanos aplicados na agricultura

    OpenAIRE

    Christofoletti, Cintya Aparecida [UNESP

    2013-01-01

    A degrada√ß√£o de solos provocada pelo mau gerenciamento das atividades humanas consiste em uma constante e crescente preocupa√ß√£o. O tratamento adequado e disposi√ß√£o final do grande volume de res√≠duos urbanos, industriais e agr√≠colas produzidos diariamente s√£o um grande desafio √† comunidade cient√≠fica. Neste sentido, vem sendo pesquisadas in√ļmeras alternativas para o aproveitamento e destina√ß√£o ambientalmente segura de tais res√≠duos, dentre as quais se destaca a aplica√ß√£o destes como fertilizan...

  14. Long-term Field Experiments as Important Source of Knowledge - Aims of the BonaRes Data Centre

    Science.gov (United States)

    Grosse, Meike; Hierold, Wilfried

    2017-04-01

    BonaRes is short for "soil as a sustainable resource for the bioeconomy". It is funded by the German Federal Ministry of Education and Research (BMBF) under the umbrella of the National Research Strategy BioEconomy 2030. BonaRes consists of ten interdisciplinary research project consortia and the 'BonaRes - Centre for Soil Research' (see also Wollschläger et al 2016). It is one task of the BonaRes Data Centre as part of the 'BonaRes - Centre for Soil Research', to collect data and meta-data of agricultural long-term field experiments (LTFE) in Germany. The definition of LTFE in the context of BonaRes is a minimum duration of twenty years and a static design. LTFE are essential research infrastructures for agricultural sciences and soil sciences amongst other disciplines. Some LTFE run since a very long time; the start of the oldest one in Germany was 1878. Therefore, in many cases valuable time series exist. Data sets of LTFE shall be compiled and made publicly available by the BonaRes Data Centre. The public availability together with an easy access will lead to an enhanced usability of the data. This probably makes the LTFE itself more valuable through an improved visibility and may also help to maintain the LTFE. Beyond the data compilation there is the possibility for every data owner to make a data publication, which offers an additional value for the data owner after his first right of use. A first step towards a joint database is a compilation of all existing LTFE in Germany with meta information to each trial. This information is shown in an interactive web map, what is completely new in that context. Besides the exact position of the LTFE the following metadata are shown: name of the LTFE, website (if available), institution, land use category, participation in existing networks, research theme, start (and maybe end) of the trial, and research parameters. Details on the meta information will be presented in the speech. Literature Wollschläger, U; Helming

  15. Biochemical diagnosis of pheochromocytoma: which test is best?

    NARCIS (Netherlands)

    Lenders, J.W.M.; Pacak, K.; Walther, M.M.; Linehan, W.M.; Mannelli, M.; Friberg, P.; Keiser, H.R.; Goldstein, D.S.; Eisenhofer, G.

    2002-01-01

    CONTEXT: Diagnosis of pheochromocytoma depends on biochemical evidence of catecholamine production by the tumor. However, the best test to establish the diagnosis has not been determined. OBJECTIVE: To determine the biochemical test or combination of tests that provides the best method for diagnosis

  16. Biochemical changes occurring during fermentation of camel milk by ...

    African Journals Online (AJOL)

    Biochemical changes occurring during fermentation of camel milk by selected bacterial starter cultures. ... Abstract. The biochemical changes in amino acids, water soluble vitamins, soluble sugars and organic acids occurring during fermentation (at 43¬įC for 6 h) of camel milk inoculated with Streptococcus thermophilus 37,¬†...

  17. Biochemical markers of mineral bone disorder in South African ...

    African Journals Online (AJOL)

    Associations between log transformed PTH and other biochemical parameters were assessed by multiple linear regression analyses following significant associa- tions obtained from univariate regression analyses. A lo- gistic regression model was used to evaluate the effect of other biochemical parameters on the odds of ...

  18. Developments in commercially produced microbials at Biochem Products

    Science.gov (United States)

    John Lublinkhof; Douglas H. Ross

    1985-01-01

    Biochem Products is part of a large industrial and scientific family - the Solvay Group. Solvay, headquartered in Brussels, Belgium is a multinational company with 46,000 employees worldwide. In the U.S., our working partners include a large polymer manufacturer, a peroxygen producer and a leading poultry and animal health products company. Biochem Products is a...

  19. Exploring basic biochemical constituents in the body tissues of ...

    African Journals Online (AJOL)

    Feeding regime did not influence susceptibility to mass loss during export. Animal age influenced the biochemical composition and export performance of abalone. Keywords: abalone; aquaculture; feeds; Haliotis midae; live export; mass loss; tissue biochemical constituents. African Journal of Marine Science 2010, 32(1): ...

  20. Biochemical evaluation of phenylketonuria (PKU: from diagnosis to treatment

    Directory of Open Access Journals (Sweden)

    Leticia Belmont-Martínez

    2014-07-01

    Besides periodical Phe and Tyr testing, biochemical follow-up includes the measurement of necessary elements that guarantee normal physical and intellectual development such as selenium, zinc, B12 vitamin, folates, iron and long chain fatty acids. Clinical context is as important as biochemical status so periodic evaluation of nutritional, medical, social and psychological aspects should be included.

  1. Reference Ranges for Some Biochemical Parameters in Adult ...

    African Journals Online (AJOL)

    PURPOSE: To establish the reference ranges of some biochemical parameters for adult Kenyan population. METHODS: In a prospective involving 1100 healthy blood donors (age: 18-55 yr) in Kenyatta National Hospital, Kenya reference ranges of some biochemical analytes were constructed by using the parametric ...

  2. An improved solution of first order kinetics for biochemical oxygen ...

    African Journals Online (AJOL)

    This paper evaluated selected Biochemical Oxygen Demand first order kinetics methods. Domesticinstitutional wastewaters were collected twice in a month for three months from the Obafemi Awolowo University, Ile-Ife waste stabilization ponds. Biochemical Oxygen Demand concentrations at different days were determined ...

  3. Biochemical characterization of three Aspergillus niger ő≤-galactosidases

    Directory of Open Access Journals (Sweden)

    Dandan Niu

    2017-05-01

    Conclusions: Three new ő≤-galactosidases belonging to glycosyl hydrolase family 35 from A. niger F0215 were cloned and biochemically characterized. In addition to the known LacA, A. niger has at least three ő≤-galactosidase family members with remarkably different biochemical properties.

  4. Haematological and blood biochemical indices of West African ...

    African Journals Online (AJOL)

    Haematological and blood biochemical indices of West African dwarf goats vaccinated against Pestes des petit ruminants (PPR) ... blood biochemical indices of forty randomly selected West African dwarf (WAD) goats were studied. Packed cell volume ... neutrophil/lymphocyte ratio and white blood cells (WBC) than females.

  5. Differential response of biochemical parameters to EMS and MMS ...

    African Journals Online (AJOL)

    B.B.D. Khalandar

    2015-06-10

    Jun 10, 2015 ... Abstract Aim: To study the effect of alkylating agents such as EMS and MMS on chromosomes and biochemical parameters in induced diabetic mouse. Methods: Chromosome preparations from bone marrow was made using the method of Evans et al. (1964) and biochemical estimations from the liver was ...

  6. Possible Biochemical Markers in Protein-Energy Malnutrition and ...

    African Journals Online (AJOL)

    This study was carried out to determine possible biochemical markers in children suffering from Plasmodium falciparum malaria and Protein-Energy Malnutrition in a Hospital setting in Western Kenya. Spectrophotometric assays of selected biochemical parameters namely, albumin, total proteins, glucose, glutamate ...

  7. Local biochemical and morphological differences in human Achilles tendinopathy

    DEFF Research Database (Denmark)

    Pingel, Jessica; Fredberg, U.; Qvortrup, Klaus

    2012-01-01

    The incidence of Achilles tendinopathy is high and underlying etiology as well as biochemical and morphological pathology associated with the disease is largely unknown. The aim of the present study was to describe biochemical and morphological differences in chronic Achilles tendinopathy....... The expressions of growth factors, inflammatory mediators and tendon morphology were determined in both chronically diseased and healthy tendon parts....

  8. Bagn√®res-de-Bigorre ‚Äď Place d‚ÄôUzer

    OpenAIRE

    Guédon, Frédéric

    2016-01-01

    Lien Atlas (MCC)¬†:http://atlas.patrimoines.culture.fr/atlas/trunk/index.php?ap_theme=DOM_2.01.02&ap_bbox=0.042;42.886;0.226;43.092 Un projet de r√©novation de la place d‚ÄôUzer, situ√©e dans le cŇďur antique et m√©di√©val de Bagn√®res-deBigorre, a entra√ģn√© ce diagnostic arch√©ologique. Des contraintes techniques fortes ont r√©duit l‚Äôop√©ration mais il est apparu que la place est un espace ouvert depuis les tout d√©buts des temps modernes, voire l‚Äôextr√™me fin du Moyen¬†√āge. La cr√©ation de cet espace s‚Äôest ...

  9. Les premières années de The Himalayan Journal (1929-1940

    Directory of Open Access Journals (Sweden)

    Michel Raspaud

    2001-05-01

    Full Text Available IntroductionLa cr√©ation de The Himalayan Club, sur le territoire de l‚ÄôEmpire des Indes √† la fin de l‚Äôann√©e 1927, s‚Äôaccompagne presque aussit√īt de la publication de The Himalayan Journal, en f√©vrier 1929, soit mois de dix-huit mois apr√®s la cr√©ation officielle de l‚Äôinstitution. L‚Äôobjet du pr√©sent texte concerne donc la vie de The Himalayan Club lors de ses premi√®res ann√©es d‚Äôexistence, depuis la date de sa cr√©ation jusqu‚Äôau d√©but de la seconde guerre mondiale. Cependant, l‚Äôint√©r√™t se focaliser...

  10. Two siblings with a new Aicardi-Goutières-like syndrome.

    Science.gov (United States)

    Schwarz, K B; Ferrie, C D; Woods, C G

    2002-06-01

    We present two siblings (male and female) with very similar characteristics comprising dysmorphic features, severe developmental delay, progressive microcephaly, tonic seizures, and hypothyroidism. The male also had micropenis and cryptorchidism. Both children developed pericardial effusions which caused the death of the female at age 16 months. The male's cardiac function was stable at last follow-up at the age of 15 months. Cerebral imaging showed widespread intracranial calcifications, delay in myelination, hypoplasia of the corpus callosum, and cerebral atrophy. CSF examination showed normal CSF white-cell count and was negative for interferon, although a cytotoxic antibody was thought to be present. Other causes of a neurodegenerative condition and congenital infection were excluded. The combination of these features has not been described before. We believe that these patients represent a new syndrome which has some of the features of Aicardi-Goutières syndrome but is distinct from it.

  11. Les ouvrières de l’agro-industrie de la fraise au Mexique

    OpenAIRE

    Arizpe, Lourdes; Aranda, Josefina

    2017-01-01

    Ces derni√®res ann√©es, le mouvement mondial des femmes a mis l‚Äôaccent sur le besoin de permettre aux femmes un meilleur acc√®s √† l‚Äôemploi salari√©, afin d‚Äôam√©liorer leurs conditions de vie. Dans certains pays industrialis√©s cependant, la r√©cession et les tendances √©conomiques √† long terme rendent l‚Äôacc√®s des femmes √† un emploi ad√©quat plus difficile, entre autres parce que de nombreux emplois traditionnellement tenus par des femmes ‚Äď en particulier dans le textile, l‚Äôindustrie du v√™tement et l‚Äô√©...

  12. Compostagem de resíduo sólido de abatedouro avícola

    Directory of Open Access Journals (Sweden)

    Nat√°lia da Silva Sunada

    2015-01-01

    Full Text Available Em virtude da grande demanda por prote√≠na de origem animal, tem-se aumentado a produ√ß√£o de frangos de corte e consequentemente a gera√ß√£o de res√≠duos provenientes do abate de aves, sendo necess√°rio o desenvolvimento de t√©cnicas que permitam o aproveitamento e reciclagem desses materiais. Objetivou-se com a execu√ß√£o deste trabalho avaliar a efici√™ncia da compostagem no tratamento e reciclagem do res√≠duo s√≥lido de abatedouro av√≠cola. Utilizou-se res√≠duo s√≥lido de abatedouro av√≠cola comercial composto por fragmentos de v√≠sceras, tecido muscular, adiposo e √≥sseo, sangue coagulado e penas e, como fonte de carbono, a casca de arroz. Montou-se uma leira com 1,5m3 de volume inicial, na qual foram monitorados os par√Ęmetros: temperatura, teores de s√≥lidos totais (ST, vol√°teis (SV, N, P, K, carbono org√Ęnico (C, mat√©ria org√Ęnica compost√°vel (MOC, mat√©ria org√Ęnica resistente √† compostagem (MORC, demanda qu√≠mica de oxig√™nio (DQO, massa e volume enleirados, n√ļmero mais prov√°vel (NMP de coliformes totais e termotolerantes, bem como suas redu√ß√Ķes durante o processo. A temperatura m√°xima atingida no centro da leira foi de 53,3¬ļC (m√©dia semanal, j√° as redu√ß√Ķes de massa de ST e SV e volume durante o processo de pr√©-compostagem foram de 36,1; 44,3 e 23,3%, respectivamente, e, durante o processo de compostagem, foram de 21,8; 23,8 e 4,4%. A baixa redu√ß√£o do volume das leiras pode estar associada √† alta concentra√ß√£o de MORC (40,1% que pode ser principalmente relacionada √† qualidade da fonte de carbono. O processo promoveu satisfat√≥rias redu√ß√Ķes totais de ST, SV e volume, sendo, respectivamente, 50,1; 57,5 e 26,7%. No entanto, foram observadas redu√ß√Ķes de 43% na quantidade de nitrog√™nio presente no composto final. Apesar das redu√ß√Ķes de nitrog√™nio, a compostagem demonstrou ser um m√©todo eficiente no tratamento dos res√≠duos s√≥lidos de abatedouro av√≠cola.

  13. Res√ļmenes de trabajos cl√≠nicos, VI Congreso AEXMUN

    Directory of Open Access Journals (Sweden)

    Carlos E. Pe√Īa

    1993-07-01

    Full Text Available Res√ļmentes de los siguientes trabajos:¬†Criterios de muerte cerebral ;¬†Simposio sobre enfermedades del m√ļsculo¬†estriado. Avances recientes en enfermedadesmusculares ;¬†Selecci√≥n y estudio del candidato atrasplante card√≠aco ;¬†Histopatolog√≠a de la polimiositis ;¬†Estructura molecular y mecanismo de acci√≥nde los receptores de hormonas esteroides ;¬†Histopatolog√≠a de las distrofias musculares ;¬†Tiroideopat√≠as en la vejez;¬†Funci√≥n tiroidea en pacientes eutiroideos¬†con enfermedad no tiroidea¬†"S√≠ndrome del paciente eutiroideo" ;¬†Hipertensi√≥n arterial y endotelio ;¬†Hipertensi√≥n renovascular

  14. Ultrafast quantum beats of anisotropic excitons in atomically thin ReS2.

    Science.gov (United States)

    Sim, Sangwan; Lee, Doeon; Trifonov, Artur V; Kim, Taeyoung; Cha, Soonyoung; Sung, Ji Ho; Cho, Sungjun; Shim, Wooyoung; Jo, Moon-Ho; Choi, Hyunyong

    2018-01-24

    Quantum beats, periodic oscillations arising from coherent superposition states, have enabled exploration of novel coherent phenomena. Originating from strong Coulomb interactions and reduced dielectric screening, two-dimensional transition metal dichalcogenides exhibit strongly bound excitons either in a single structure or hetero-counterpart; however, quantum coherence between excitons is barely known to date. Here we observe exciton quantum beats in atomically thin ReS 2 and further modulate the intensity of the quantum beats signal. Surprisingly, linearly polarized excitons behave like a coherently coupled three-level system exhibiting quantum beats, even though they exhibit anisotropic exciton orientations and optical selection rules. Theoretical studies are also provided to clarify that the observed quantum beats originate from pure quantum coherence, not from classical interference. Furthermore, we modulate on/off quantum beats only by laser polarization. This work provides an ideal laboratory toward polarization-controlled exciton quantum beats in two-dimensional materials.

  15. Comparison of auctions and alternative policy options for RES-E support

    DEFF Research Database (Denmark)

    Kitzing, Lena; Islam, Marco; Fitch-Roy, Oscar

    2016-01-01

    This report concludes the work carried out in the course of Task 6.2 of the AURES project. It is its aim to compare auctions with alternative policy instruments and in particular, to examine under which circumstances auctions may be superior and inferior to achieve intended policy targets...... analysis consists of two parts: First, we conduct a theoretical analysis, which summarises the insights gathered by Weitzman (1974). It illustrates that with uncertainty regarding the marginal costs and marginal benefits of RES, particularly the choice between price (e.g. a FIT) and quantity (e.......g. an auction) instruments will be decisive, since incorrect price or quota signals may have different effects. In essence, while price schemes may reduce the risk of welfare losses given a relatively steep marginal cost and a comparably flat marginal benefit curve, a quantity scheme may be superior...

  16. The Nordic welfare model providing energy transition? A political geography approach to the EU RES directive

    International Nuclear Information System (INIS)

    Westholm, Erik; Beland Lindahl, Karin

    2012-01-01

    The EU Renewable Energy Strategy (RES) Directive requires that each member state obtain 20% of its energy supply from renewable sources by 2020. If fully implemented, this implies major changes in institutions, infrastructure, land use, and natural resource flows. This study applies a political geography perspective to explore the transition to renewable energy use in the heating and cooling segment of the Swedish energy system, 1980‚Äď2010. The Nordic welfare model, which developed mainly after the Second World War, required relatively uniform, standardized local and regional authorities functioning as implementation agents for national politics. Since 1980, the welfare orientation has gradually been complemented by competition politics promoting technological change, innovation, and entrepreneurship. This combination of welfare state organization and competition politics provided the dynamics necessary for energy transition, which occurred in a semi-public sphere of actors at various geographical scales. However, our analysis, suggest that this was partly an unintended policy outcome, since it was based on a welfare model with no significant energy aims. Our case study suggests that state organization plays a significant role, and that the EU RES Directive implementation will be uneven across Europe, reflecting various welfare models with different institutional pre-requisites for energy transition. - Highlights: ‚Ėļ We explore the energy transition in the heating/cooling sector in Sweden 1980‚Äď2000. ‚Ėļ The role of the state is studied from a political geography perspective. ‚Ėļ The changing welfare model offered the necessary institutional framework. ‚Ėļ Institutional arrangements stand out as central to explain the relative success. ‚Ėļ The use of renewables in EU member states will continue to vary significantly.

  17. Gestão de Resíduos em Universidades

    Directory of Open Access Journals (Sweden)

    Suzana Maria de Conto

    2012-06-01

    Full Text Available 1024x768 Normal 0 21 false false false PT-BR X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabela normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} O processo de construção da gestão de resíduos em universidades é complexo e exige um esforço sistêmico e integrado de toda a comunidade acadêmica. As mudanças de condutas da comunidade acadêmica, em relação aos resíduos por ela gerados, estão associadas a uma cadeia complexa de variáveis que se inter-relacionam e que dependem das características específicas das atividades de ensino, de pesquisa e de extensão.

  18. Integrated electrification solution for autonomous electrical networks on the basis of RES and energy storage configurations

    International Nuclear Information System (INIS)

    Kaldellis, J.K.

    2008-01-01

    Most medium and small islands of the Aegean Archipelagos face serious infrastructure problems, strongly related with the limited electrical energy available at extremely high cost. On the other hand, the area is characterized by very high wind speeds and abundant solar energy, thus the exploitation of the available renewable energy sources (RES) may significantly contribute to the fulfillment of the local societies energy demand at minimum environmental and macroeconomic cost. However, the stochastic availability of wind energy and the variable availability of solar energy, the daily and seasonal electricity demand fluctuations, as well as the limited local electrical network capacity result in serious restrictions concerning the maximum renewable power penetration. In this context, the present paper investigates the possibility of creating a combined electricity generation facility based on the exploitation of wind or/and solar potential of an area as well as on the utilization of an appropriate energy storage configuration in order to replace the existing thermal power stations with rational investment requirements. For this purpose, the major parameters of the proposed integrated configuration are firstly calculated and its financial viability is accordingly analyzed. One of the main targets of the proposed solution is to maximize the RES exploitation of the area at a minimum electricity generation cost, while special emphasis is given in order to select the most cost-efficient energy storage device available. According to the results obtained the proposed solution is not only financially attractive but also improves the quality of the electricity offered to the local communities, substituting the expensive and heavily polluting existing thermal power stations

  19. Definitions of biochemical failure in prostate cancer following radiation therapy

    International Nuclear Information System (INIS)

    Taylor, Jeremy M.G.; Griffith, Kent A.; Sandler, Howard M.

    2001-01-01

    Purpose: The American Society for Therapeutic Radiology and Oncology (ASTRO) published a consensus panel definition of biochemical failure following radiation therapy for prostate cancer. In this paper, we develop a series of alternative definitions of biochemical failure. Using data from 688 patients, we evaluated the sensitivity and specificity of the various definitions, with respect to a defined 'clinically meaningful' outcome. Methods and Materials: The ASTRO definition of biochemical failure requires 3 consecutive rises in prostate-specific antigen (PSA). We considered several modifications to the standard definition: to require PSA rises of a certain magnitude, to consider 2 instead of 3 rises, to require the final PSA value to be greater than a fixed cutoff level, and to define biochemical failure based on the slope of PSA over 1, 1.5, or 2 years. A clinically meaningful failure is defined as local recurrence, distant metastases, initiation of unplanned hormonal therapy, unplanned radical prostatectomy, or a PSA>25 later than 6 months after radiation. Results: Requiring the final PSA in a series of consecutive rises to be larger than 1.5 ng/mL increased the specificity of biochemical failure. For a fixed specificity, defining biochemical failure based on 2 consecutive rises, or the slope over the last year, could increase the sensitivity by up to approximately 20%, compared to the ASTRO definition. Using a rule based on the slope over the previous year or 2 rises leads to a slightly earlier detection of biochemical failure than does the ASTRO definition. Even with the best rule, only approximately 20% of true failures are biochemically detected more than 1 year before the clinically meaningful event time. Conclusion: There is potential for improvement in the ASTRO consensus definition of biochemical failure. Further research is needed, in studies with long follow-up times, to evaluate the relationship between various definitions of biochemical failure and

  20. Biochemical analysis of Phytolacca DOPA dioxygenase.

    Science.gov (United States)

    Takahashi, Kana; Yoshida, Kazuko; Yura, Kei; Ashihara, Hiroshi; Sakuta, Masaaki

    2015-05-01

    The biochemical analysis of Phytolacca americana DOPA dioxygenases (PaDOD1 and PaDOD2) was carried out. The recombinant protein of PaDOD1 catalyzed the conversion of DOPA to betalamic acid, whereas DOD activity was not detected in PaDOD2 in vitro. While the reported motif conserved in DODs from betalain-producing plants was found in PaDOD1, a single amino acid residue alteration was detected in PaDOD2. A mutated PaDOD1 protein with a change of 177 Asn to Gly showed reduced specific activity compared with PaDOD1, while DOPA dioxygenase activity was not observed for a mutated PaDOD2 protein which had its conserved motif replaced with that of PaDOD. A three-dimensional (3D) structural model of PaDOD1 and PaDOD2 showed that the conserved motif in DODs was located in the N-terminal side of a loop, which was found close to the putative active site. The difference in stability of the loop may affect the enzymatic activity of PaDOD2.

  1. PHA bioplastics, biochemicals, and energy from crops.

    Science.gov (United States)

    Somleva, Maria N; Peoples, Oliver P; Snell, Kristi D

    2013-02-01

    Large scale production of polyhydroxyalkanoates (PHAs) in plants can provide a sustainable supply of bioplastics, biochemicals, and energy from sunlight and atmospheric CO(2). PHAs are a class of polymers with various chain lengths that are naturally produced by some microorganisms as storage materials. The properties of these polyesters make them functionally equivalent to many of the petroleum-based plastics that are currently in the market place. However, unlike most petroleum-derived plastics, PHAs can be produced from renewable feedstocks and easily degrade in most biologically active environments. This review highlights research efforts over the last 20 years to engineer the production of PHAs in plants with a focus on polyhydroxybutryrate (PHB) production in bioenergy crops with C(4) photosynthesis. PHB has the potential to be a high volume commercial product with uses not only in the plastics and materials markets, but also in renewable chemicals and feed. The major challenges of improving product yield and plant fitness in high biomass yielding C(4) crops are discussed in detail. Plant Biotechnology Journal © 2013 Society for Experimental Biology, Association of Applied Biologists and Blackwell Publishing Ltd.

  2. Skin biochemical composition analysis by Raman spectroscopy

    Energy Technology Data Exchange (ETDEWEB)

    Oliveira, Patricia Karen; Tosato, Maira Gaspar; Alves, Rani de Souza; Martin, Airton Abrahao; Favero, Priscila Pereira; Raniero, Leandro, E-mail: amartin@univap.br [Laboratorio de Espectroscopia Vibracional Biomedica, Instituto de Pesquisa e Desenvolvimento - IP e D, Universidade do Vale do Paraiba - UniVap, Sao Jose dos Campos, SP (Brazil)

    2012-09-15

    Skin aging is characterized by cellular and molecular alterations. In this context, Confocal Raman spectroscopy was used in vivo to measure these biochemical changes as function of the skin depth. In this study we have tried to correlate spectra from pure amino acids to in vivo spectra from volunteers with different ages. This study was performed on 32 volunteers: 11 from Group A (20-23 years), 11 from Group B (39-42 years) and 10 from Group C (59-62 years). For each group, the Raman spectra were measured on the surface (0 mm), 30 +- 3 mm and 60 +- 3 {mu}m below the surface. The results from intergroup comparisons showed that the oldest group had a prevalence of the tyrosine band, but it also presented a decrease in the band centered at 875 cm{sup -1} of pyrrolidone acid. The amide I band centered at 1637 cm{sup -1} that is attributed to collagen, as well as other proteins and lipid, showed a smaller amount of these biomolecules for Group C, which can be explained by the decrease in collagen concentration as a function of age. (author)

  3. BALL - biochemical algorithms library 1.3

    Directory of Open Access Journals (Sweden)

    Stöckel Daniel

    2010-10-01

    Full Text Available Abstract Background The Biochemical Algorithms Library (BALL is a comprehensive rapid application development framework for structural bioinformatics. It provides an extensive C++ class library of data structures and algorithms for molecular modeling and structural bioinformatics. Using BALL as a programming toolbox does not only allow to greatly reduce application development times but also helps in ensuring stability and correctness by avoiding the error-prone reimplementation of complex algorithms and replacing them with calls into the library that has been well-tested by a large number of developers. In the ten years since its original publication, BALL has seen a substantial increase in functionality and numerous other improvements. Results Here, we discuss BALL's current functionality and highlight the key additions and improvements: support for additional file formats, molecular edit-functionality, new molecular mechanics force fields, novel energy minimization techniques, docking algorithms, and support for cheminformatics. Conclusions BALL is available for all major operating systems, including Linux, Windows, and MacOS X. It is available free of charge under the Lesser GNU Public License (LPGL. Parts of the code are distributed under the GNU Public License (GPL. BALL is available as source code and binary packages from the project web site at http://www.ball-project.org. Recently, it has been accepted into the debian project; integration into further distributions is currently pursued.

  4. Muriel Wheldale Onslow and early biochemical genetics.

    Science.gov (United States)

    Richmond, Marsha L

    2007-01-01

    Muriel Whedale, a distinguished graduate of Newnham College, Cambridge, was a member of William Bateson's school of genetics at Cambridge University from 1903. Her investigation of flower color inheritance in snapdragons (Antirrhinum), a topic of particular interest to botanists, contributed to establishing Mendelism as a powerful new tool in studying heredity. Her understanding of the genetics of pigment formation led her to do cutting-edge work in biochemistry, culminating in the publication of her landmark work, The Anthocyanin Pigments of Plants (1916). In 1915, she joined Frederick Gowland Hopkin's Department of Biochemistry as assistant and in 1926 became one of the first women to be appointed university lecturer. In 1919 she married the biochemist Huia Onslow, with whom she collaborated until his death in 1922. This paper examines Whedale's work in genetics and especially focuses on the early linkage of Mendelian methodology with new techniques in biochemistry that eventually led to the founding of biochemical genetics. It highlights significant issues in the early history of women in genetics, including the critical role of mentors, funding opportunities, and career strategies.

  5. Evaluer et prioriser les technologies d’adaptation au changement climatique. Orientations pratiques pour une analyse multicritères et l’identification et évaluation de critères afférents

    DEFF Research Database (Denmark)

    Trærup, Sara Lærke Meltofte; Bakkegaard, Riyong Kim

    L'objectif de ce guide est de guider les consultants, les décideurs et les experts techniques sur la façon de faciliter les discussions pour prioriser les technologies d'adaptation, et de soutenir les parties prenantes dans l'identification des critères appropriés pour cette analyse....

  6. A micro-grid operation analysis for cost-effective battery energy storage and RES plants integration

    International Nuclear Information System (INIS)

    Barelli, L.; Bidini, G.; Bonucci, F.

    2016-01-01

    Penetration of renewable energy is strongly slowed by its characteristic intermittency and fluctuating trend and by the inadequacy of electricity networks. These issues can be addressed through the development of new or improved storage technologies with higher performance, availability, durability, safety and lower costs. In the present work, micro-grids characterized by the presence of different subsections including renewable plants coupled with batteries storage solution are investigated through the development of a suitable code. Several design conditions and features, related to RES plant, storage system and users, were considered in order to realize a sensitivity analysis aimed to examine, on a yearly base and with one minute time step, interactions among the different micro-grid subsections and to identify the best solutions from both economic and energy point of views. - Highlights: ‚ÄĘ Storage systems coupling to RES plants is investigated for micro-grids. ‚ÄĘ Interactions between RES plants, storage batteries and users are analyzed. ‚ÄĘ Self-consumption increases with storage installation. ‚ÄĘ Investment pay-back analysis is performed varying plant configurations. ‚ÄĘ Pay-back reduction up to 30‚Äď40% for new RES/Storage integrated installations.

  7. The BonaRes data infrastructure: Recommendations of standards for the different life stages of soil and agricultural research data

    Science.gov (United States)

    Hoffmann, Carsten; Schulz, Sina; Svoboda, Nikolai; Zoarder, Muqit; Eberhardt, Einar; Russell, David; Heinrich, Uwe

    2017-04-01

    Within the research project BonaRes ("Soil as a sustainable resource for the bioeconomy") an infrastructure is being developed to upload, manage, store, and provide the increasing amount of soil and agricultural research data, raw data, and metadata in Germany. Large joint research projects such as BonaRes require rules for data handling. The application and designation of standards, standard methods and widely disseminated and accepted data formats for all stages of data life (from acquisition to provision) is accompanied by a number of advantages for data providers, -managers and -users. Standards enable e.g. an easy data exchange and provision for data re-use, communication with other disciplines, and improve the visibility and accessibility of research activities and results. To harmonize national with international data infrastructures, standards used in the scope of BonaRes should either meet international requirements or be transformable by derivation tools. In the first project phase an overview of standards was compiled including more than 600 relevant norms, directives, exchange formats and code lists. With the collaboration of an international expert consortium we then developed a "Recommendation list Standards" for all project partners and other soil/agricultural data providers. We present and discuss selected recommendations and possible implementations of standards to be used in the BonaRes data infrastructure for data acquisition (e.g. soil description, agronomy), data management (e.g. exchange languages, derivation tools), and data provision (e.g. licenses, geo-data services).

  8. Venelastest Res Publica toetajad Ida-Virus v√Ķivad uuele parteile selja p√∂√∂rata / Erik Kalda

    Index Scriptorium Estoniae

    Kalda, Erik, 1969-

    2006-01-01

    Ilmunud ka: Severnoje Poberezhje 6. apr. lk. 3, Narvskaja Nedelja 8. apr. lk. 2. Suur osa Ida-Virumaal elavatest Res Publica liikmetest ning toetajatest ei poolda erakonna √ľhinemist Isamaaliiduga, sest paljude venelaste meelest on Isamaaliit nende huve eirav partei

  9. Les équipes du programme Innovation pour la santé des mères et ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    ISMEA) étant arrivé à mi-parcours, 80 experts africains et canadiens se sont réunis à Dakar, au Sénégal, du 24 au 27 avril 2017 pour discuter des premières constatations du programme et affuter leurs compétences en matière de ...

  10. The Response Regulator ResD Plays a Role in Metabolism of Listeria monocytogenes

    DEFF Research Database (Denmark)

    Larsen, Marianne Halberg; S√łrensen, Martine; Ingmer, Hanne

    to be transmitted to food processing plants from where it can establish and survive for extended periods of time contaminating processed food products. Recently we have identified the response regulator ResD of L. monocytogenes and showed that it is important for growth in laboratory media and for sugar uptake...

  11. Toxoplasmosis in a bar-shouldered dove (Geopelia humeralis) from the zoo of Clères, France

    Science.gov (United States)

    Toxoplasmosis causes mortality in several avian species, especially passerine birds. Toxoplasmosis was diagnosed in a bar-shouldered dove (Geopelia humeralis) found dead at the zoo of Clères (France). The bird had necrotizing pneumonia and nephritis with intralesional tachyzoites of Toxoplasma gondi...

  12. Impact of war on child health in northern Syria: the experience of Médecins Sans Frontières

    NARCIS (Netherlands)

    Meiqari, Lana; Hoetjes, Maartje; Baxter, Louisa; Lenglet, Annick

    2017-01-01

    Few data are available to evaluate the impact of Syrian war on civilian population; to describe this impact on child health, this article uses data from Médecins Sans Frontières-Operational Centre Amsterdam's activities in Tal-Abyad and Kobane cities, northern Syria (2013-2016). Data were obtained

  13. The Biochemical Prognostic Factors of Subclinical Hypothyroidism

    Directory of Open Access Journals (Sweden)

    Myung Won Lee

    2014-06-01

    Full Text Available BackgroundPatients with subclinical hypothyroidism (SHT are common in clinical practice. However, the clinical significance of SHT, including prognosis, has not been established. Further clarifying SHT will be critical in devising a management plan and treatment guidelines for SHT patients. Thus, the aim of this study was to investigate the prognostic factors of SHT.MethodsWe reviewed the medical records of Korean patients who visited the endocrinology outpatient clinic of Severance Hospital from January 2008 to September 2012. Newly-diagnosed patients with SHT were selected and reviewed retrospectively. We compared two groups: the SHT maintenance group and the spontaneous improvement group.ResultsThe SHT maintenance group and the spontaneous improvement group had initial thyroid-stimulating hormone (TSH levels that were significantly different (P=0.035. In subanalysis for subjects with TSH levels between 5 to 10 ¬ĶIU/mL, the spontaneous improvement group showed significantly lower antithyroid peroxidase antibody (anti-TPO-Ab titer than the SHT maintenance group (P=0.039. Regarding lipid profiles, only triglyceride level, unlike total cholesterol and low density lipoprotein cholesterol, was related to TSH level, which is correlated with the severity of SHT. Diffuse thyroiditis on ultrasonography only contributed to the severity of SHT, not to the prognosis. High sensitivity C-reactive protein and urine iodine excretion, generally regarded as possible prognostic factors, did not show any significant relation with the prognosis and severity of SHT.ConclusionOnly initial TSH level was a definite prognostic factor of SHT. TPO-Ab titer was also a helpful prognostic factor for SHT in cases with mildly elevated TSH. Other than TSH and TPO-Ab, we were unable to validate biochemical prognostic factors in this retrospective study for Korean SHT patients.

  14. A chemiluminescence biochemical oxygen demand measuring method.

    Science.gov (United States)

    Nakamura, Hideaki; Abe, Yuta; Koizumi, Rui; Suzuki, Kyota; Mogi, Yotaro; Hirayama, Takumi; Karube, Isao

    2007-10-17

    A new chemiluminescence biochemical oxygen demand (BOD(CL)) determining method was studied by employing redox reaction between quinone and Baker's yeast. The measurement was carried out by utilizing luminol chemiluminescence (CL) reaction catalyzed by ferricyanide with oxidized quinone of menadione, and Saccharomyces cerevisiae using a batch-type luminometer. In this study, dimethyl sulfoxide was used as a solvent for menadione. After optimization of the measuring conditions, the CL response to hydrogen peroxide in the incubation mixture had a linear response between 0.1 and 100 microM H2O2 (r2=0.9999, 8 points, n=3, average of relative standard deviation; R.S.D.(av)=4.22%). Next, a practical relationship between the BOD(CL) response and the glucose glutamic acid concentration was obtained over a range of 11-220 mg O2 L(-1) (6 points, n=3, R.S.D.(av) 3.71%) with a detection limit of 5.5 mg O2 L(-1) when using a reaction mixture and incubating for only 5 min. Subsequently, the characterization of this method was studied. First, the BOD(CL) responses to 16 pure organic substances were examined. Second, the influences of chloride ions, artificial seawater, and heavy metal ions on the BOD(CL) response were investigated. Real sample measurements using river water were performed. Finally, BOD(CL) responses were obtained for at least 8 days when the S. cerevisiae suspension was stored at 4 degrees C (response reduction, 69.9%; R.S.D. for 5 testing days, 18.7%). BOD(CL) responses after 8 days and 24 days were decreased to 69.9% and 35.8%, respectively, from their original values (R.S.D. for 8 days involving 5 testing days, 18.7%).

  15. Resposta biológica de ratos alimentados com resíduo da fermentação de batata (Solanumtuberosum L. Biological response of rats fed with the fermentation of potato residue (Solanumtuberosum L.

    Directory of Open Access Journals (Sweden)

    Luciana Dapieve Patias

    2011-07-01

    Full Text Available O presente trabalho teve por objetivo determinar a composi√ß√£o centesimal do tub√©rculo de batata in natura a ser utilizado no processo de destila√ß√£o para a produ√ß√£o de etanol e do res√≠duo s√≥lido resultante da fermenta√ß√£o deste tub√©rculo. Com base na composi√ß√£o do res√≠duo, avaliou-se o efeito da sua utiliza√ß√£o na substitui√ß√£o de diferentes teores de fibra alimentar de uma dieta padr√£o, na resposta biol√≥gica de ratos. Para a avalia√ß√£o dos efeitos biol√≥gicos, foram utilizados 32 ratos Wistar divididos em quatro grupos. Um dos grupos de animais recebeu a dieta padr√£o para ratos em crescimento, e os demais grupos receberam esta dieta com substitui√ß√£o de 25, 50 ou 100% de sua fibra alimentar pela fibra do res√≠duo. Durante o per√≠odo experimental (23 dias, foram avaliados o consumo, o ganho de peso, o coeficiente de efici√™ncia alimentar (CEA, a produ√ß√£o de fezes secas e √ļmidas, pH e excre√ß√£o de nitrog√™nio fecal. No final do ensaio, foram avaliados o peso do f√≠gado e da gordura epididimal, n√≠veis sangu√≠neos de triglicer√≠deos, colesterol total, colesterol HDL e prote√≠nas totais. O res√≠duo apresentou uma composi√ß√£o centesimal de 8,2% de prote√≠na, 16,7% de fibra alimentar, 62,8% de carboidratos e 288Kcal. Os resultados obtidos no ensaio biol√≥gico sugerem que o res√≠duo s√≥lido da fermenta√ß√£o de tub√©rculos de batata pode ser empregado como fonte de nutrientes, com base na substitui√ß√£o da fra√ß√£o fibra de uma dieta padr√£o AIN-93, sem comprometer o desenvolvimento dos ratos e os par√Ęmetros bioqu√≠micos analisados.The present research had the objectives of determining the in natura potato tuber centesimal composition in the distilling process in order to produce ethanol and to verify the solid residues resulting from this tuber fermentation process. Based on the residue composition, it was evaluated the effect of its use in the substitution of different dietary fiber content of a standard diet observing the

  16. Emissão de metano por decomposição de resíduo florestal inundado

    Directory of Open Access Journals (Sweden)

    Maria M. V. Zanoni

    2015-02-01

    Full Text Available A constru√ß√£o de represas pode aumentar a emiss√£o de gases do efeito estufa (GEE, principalmente metano (CH4 pela decomposi√ß√£o anaer√≥bica dos res√≠duos florestais, como galhos, ramos, folhas e miscel√Ęnea inundados. Objetivou-se, neste estudo, avaliar a emiss√£o de CH4 ap√≥s a inunda√ß√£o do solo coberto com res√≠duos florestais. Unidades experimentais foram constru√≠das com tubos de PVC contendo solo e diferentes combina√ß√Ķes de dose (0; 21,2; 42,3 e 64,1 Mg ha-1 e tipo de res√≠duos (folhas, ramos e miscel√Ęnea, galhos e composi√ß√£o original e √°gua de rio. O delineamento experimental foi inteiramente casualizado com arranjo fatorial e tr√™s repeti√ß√Ķes. As taxas de emiss√£o de CH4 foram monitoradas em 19 eventos durante um ano (Fevereiro/2012 a Mar√ßo/2013. Cerca de 75 dias ap√≥s a incuba√ß√£o do solo com res√≠duos florestais verificou-se aumento das emiss√Ķes de CH4, ocorrendo dois picos de emiss√£o, aos 111 e aos 249 dias. A emiss√£o acumulada de CH4 no primeiro ano de alagamento foi de 200 g C m-2 na dose zero, passando a valores pr√≥ximos a 400 g C m-2 nas doses de 21,2 Mg ha-1 e maiores, n√£o havendo efeito do tipo de res√≠duo, apenas da dose, como fator isolado.

  17. Biochemical mediator demand--a novel rapid alternative for measuring biochemical oxygen demand.

    Science.gov (United States)

    Pasco, N; Baronian, K; Jeffries, C; Hay, J

    2000-05-01

    The biochemical oxygen demand (BOD) test (BOD5) is a crucial environmental index for monitoring organic pollutants in waste water but is limited by the 5-day requirement for completing the test. We have optimised a rapid microbial technique for measuring the BOD of a standard BOD5 substrate (150 mg glucose/l, 150 mg glutamic acid/l) by quantifying an equivalent biochemical mediator demand in the absence of oxygen. Elevated concentrations of Escherichia coli were incubated with an excess of redox mediator, potassium hexacyanoferrate(III), and a known substrate for 1 h at 37 degrees C without oxygen. The addition of substrate increased the respiratory activity of the microorganisms and the accumulation of reduced mediator; the mediator was subsequently re-oxidised at a working electrode generating a current quantifiable by a coulometric transducer. Catabolic conversion efficiencies exceeding 75% were observed for the oxidation of the standard substrate. The inclusion of a mediator allowed a higher co-substrate concentration compared to oxygen and substantially reduced the incubation time from 5 days to 1 h. The technique replicates the traditional BOD5 method, except that a mediator is substituted for oxygen, and we aim to apply the principle to measure the BOD of real waste streams in future work.

  18. Les cellulites cervico-faciales graves, facteurs et critères de gravité

    Science.gov (United States)

    Lakouichmi, Mohammed; Tourabi, Khalid; Abir, Bader-eddine; Zouhair, Said; Lahmiti, Saad; Hattab, Nadia Mansouri

    2014-01-01

    La cellulite cervico-faciale grave est une infection polymicrobienne extensive et redoutable du tissu cellulo-adipeux de la face et du cou. L'objectif de cette √©tude est d'analyser certains facteurs favorisants et d‚Äô√©valuer les crit√®res de gravit√© en fonction des formes anatomo-cliniques. Il s'agit d'une √©tude r√©trospective r√©alis√©e, entre janvier 2007 et d√©cembre 2012, au service de chirurgie maxillo faciale de l'h√īpital militaire Avicenne de Marrakech. Sur 147 cas de cellulites cervico-faciales pris en charge au niveau du service, 13 dossiers de cellulites graves ont √©t√© retenus. Neuf hommes (69%) et quatre femmes (31%) ont fait l'objet de cette √©tude, avec un √Ęge moyen de 35 ans. Tous les patients ont √©t√© adress√©s pour prise en charge secondaire apr√®s avoir pris des anti-inflammatoires (AI). Sept cas (54%) √©taient immunocomp√©tents. La cause dentaire √©tait soulev√©e chez neufs cas (69%). Cinq cas (38%) ont pr√©sent√© une forme pseudo phlegmoneuse avec des signes compressifs des voies a√©ro-digestives. L'extension m√©diastinale a √©t√© observ√©e chez quatre patients (31%). La forme n√©crosante extensive a √©t√© retrouv√©e dans trois cas (23%). L‚Äô√©tude bact√©riologique, r√©alis√©e chez tous les patients, avait mis en √©vidence une flore microbienne mixte et polymorphe. Les cellulites cervico-faciales graves posent un r√©el probl√®me de prise en charge th√©rapeutique. L'analyse des facteurs favorisants et l‚Äô√©valuation des crit√®res de gravit√© dans cette s√©rie ont permis de limiter une √©volution d√©favorable. PMID:26113891

  19. Current experience with support schemes for RES-E in Europe. A regulatory point of view

    International Nuclear Information System (INIS)

    Lackner, Ursula

    2006-01-01

    The need to reduce the dependence of the European economy on imported primary energy and the impact of fossil fuels on the environment has encouraged countries to increase the share of renewable energy sources (RES) for electricity supply. EU Directive 2001/77/EC requires EU Member States to take appropriate steps to introduce new incentive mechanisms in order to reach the target of generating 21 % of the electricity in the EU from RES. At the same time EU Directive 2003/54/EC takes significant steps towards establishing a single market in electricity across the EU. Under this directive, European energy regulators have a number of responsibilities. These include the avoidance of discrimination and the promotion of effective competition along with an efficient functioning of the market. One of their main tasks is to ensure that European consumers pay a final electricity price that is as cost reflective as possible. The final price shall also reflect the social and the environmental costs. At the current stage it is not unlikely that the promotion of renewable energy sources will create significant barriers and distortions on the liberalized electricity market. Several issues arising from the implementation of renewable incentive schemes and policies can be identified and are analysed below; - Conflicting targets on EU-Level; - The variation in the level of incentives may be greater among Member States than is justified by the real level of technology costs, or other factors; - Unbalanced burden sharing for final consumers, due to different allocation mechanisms and designs of support schemes; -The regulation and charges for relevant items of the electricity chain, such as connection and balancing costs, vary significantly among Member States and may introduce competitive advantages. The contents of the paper is as follows: 1 Background; 2 Conflicting targets on EU-Level; 3 Different support levels; 4 Unbalanced burden sharing of final customers; 5 Allocation of

  20. Avaliação comparativa entre a política nacional de resíduos sólidos e a política municipal de resíduos da cidade de Campos dos Goytacazes

    Directory of Open Access Journals (Sweden)

    Leandro Laurindo Oliveira do Nascimento

    2017-12-01

    Full Text Available A cria√ß√£o da Pol√≠tica Nacional de Res√≠duos S√≥lidos ‚Äď PNRS, Lei n¬ļ 12.305/2010, √© um marco no estabelecimento de diretrizes de gest√£o dos res√≠duos em fun√ß√£o da complexidade do estado brasileiro, que possui mais de 5.570 munic√≠pios, com 70 regi√Ķes metropolitanas e 76 cidades de porte m√©dio, ou seja, com mais de 100 mil habitantes. Essa legisla√ß√£o visa adequar a pol√≠tica de recursos financeiros para implementar e viabilizar a gest√£o de res√≠duos em todo o territ√≥rio nacional. Pelos dados acima, o processo de gest√£o consorciada e integrada dos munic√≠pios √© uma pe√ßa fundamental para o sucesso da Pol√≠tica Nacional de Res√≠duos S√≥lidos. Essa legisla√ß√£o federal estabelece requisitos para que os munic√≠pios possam ter acesso aos recursos da Uni√£o, ou √†queles por ela controlados, destinados a empreendimentos e servi√ßos relacionados √† limpeza urbana e ao manejo de res√≠duos s√≥lidos; ou a incentivos e financiamentos de entidades federais de cr√©dito, ou ainda fomento para tal finalidade, por exemplo, constru√ß√Ķes de aterros sanit√°rios. O poder executivo do munic√≠pio de Campos dos Goytacazes sancionou, buscando iniciar as adequa√ß√Ķes √† legisla√ß√£o federal, a Lei n¬ļ 8.232/2011, que institui a Pol√≠tica Municipal de Res√≠duos S√≥lidos. E, para que uma pol√≠tica p√ļblica possa ter sucesso, s√£o fundamentais tr√™s pr√©-requisitos: legisla√ß√£o adequada, fundo p√ļblico de recursos e corpo t√©cnico para gest√£o (QUINTO JR., 2003. O objetivo deste artigo √© fazer uma an√°lise comparativa entre a pol√≠tica nacional publicada em 2010 e a pol√≠tica municipal de 2011 da cidade de Campos dos Goytacazes.

  1. Biochemical investigation of cypermethrin toxicity in rabbits.

    Science.gov (United States)

    Dahamna, S; Harzallah, D; Guemache, A; Sekfali, N

    2009-01-01

    cypermethrin on the erythropoiesis. An increase of plasma enzyme activities in GOT, GPT and CPK were recorded, explain a high energy-generating product. An increase, in the plasma enzyme activity in Alkaline phosphatase, related to their role in the cell permeability. The histopathological results showed lesions and morphological changes of hepato-cellular, fibrosis and appearance of inflammatory infiltrate, confirmed disturbances of the biochemical parameters. These changes were much underlines during the animal toxicity.

  2. Influence of ARVs on Some Biochemical Changes in Liver Non ...

    African Journals Online (AJOL)

    Influence of ARVs on Some Biochemical Changes in Liver Non Enzymatic Markers of HIV Positive Patients Attending Specialist Hospital Sokoto, Nigeria. MG Abubakar, MM Abduljalil, G Bola-Alaka, YI Nasiru ...

  3. Biochemical methane potential (BMP) of solid organic materials

    DEFF Research Database (Denmark)

    Raposo, Francisco; Fernández-Cegrí, V.; De la Rubia, M.A.

    2010-01-01

    This paper describes the results obtained for different participating research groups in an interlaboratory study related to the biochemical methane potential (BMP). In this research work, the full experimental conditions influencing the test such as inoculum, substrate characteristics and experi...

  4. Polycystic ovaries and associated clinical and biochemical features ...

    African Journals Online (AJOL)

    Anthropometric measurement, clinical examination of acne and hirsutism, vaginal ultrasonography for PCO and biochemical analysis of luteinizing hormone (LH), follicle stimulating hormone (FSH) and testosterone were performed. All 102 ... Doctors should investigate their clients for PCOS and offer appropriate treatment.

  5. Behavioural and biochemical responses of juvenile catfish ( Clarias ...

    African Journals Online (AJOL)

    Behavioural and biochemical responses of juvenile catfish (Clarias gariepinus) exposed to graded concentrations of cassava waste water. Chinweike Norman ASOGWA, Francis O EZENWAJIAKU, Chidinma Adanna, OKOLO, Felicia Nkechi EKEH, Daniel Don NWIBO, Christian Onyeka CHUKWUKA ...

  6. 2011 Biomass Program Platform Peer Review: Biochemical Conversion

    Energy Technology Data Exchange (ETDEWEB)

    Pezzullo, Leslie [Office of Energy Efficiency and Renewable Energy (EERE), Washington, DC (United States)

    2012-02-01

    This document summarizes the recommendations and evaluations provided by an independent external panel of experts at the 2011 U.S. Department of Energy Biomass Program’s Biochemical Conversion Platform Review meeting.

  7. Haematological and serum biochemical profiles of broiler chickens ...

    African Journals Online (AJOL)

    MOLM) on the haematological and serum biochemical profile of broiler chickens. Fresh Moringa leaves (FML) were shade-dried for four days and milled into meal. A total of two hundred broilers unsexed chickens (Anak strain) were randomly ...

  8. Biochemical composition of muscle tissue of penaeid prawns

    Digital Repository Service at National Institute of Oceanography (India)

    Achuthankutty, C.T.; Parulekar, A.H.

    Biochemical composition of muscle tissue of females belonging to four species of penaeid prawns, viz. Metapenaeus affinis, M. dobsoni, Penaeus merguiensis and Parapenaeopsis stylifera, inhabiting the coastal waters of Goa, India, was estimated...

  9. Biochemical and hematological profile of different breeds of goat ...

    African Journals Online (AJOL)

    Biochemical and hematological profile of different breeds of goat maintained under intensive production system. Samira Ahmed Mohammed, Mohammed Abdur Razzaque, Anaam E. Omar, Sheeba Albert, Waleed M. Al-Gallaf ...

  10. Modulation of key biochemical markers relevant to stroke by Antiaris ...

    African Journals Online (AJOL)

    Modulation of key biochemical markers relevant to stroke by Antiaris africana leaf extract following cerebral ischemia/reperfusion injury. Omotayo B. Ilesanmi, Afolabi C. Akinmoladun, Olanrewaju Sam Olayeriju, Ibrahim Olabayode Saliu, M. Tolulope Olaleye, Afolabi A. Akindahunsi ...

  11. Correlation of hematological and biochemical parameters to severity ...

    African Journals Online (AJOL)

    Background: Acquired Immuno Deficiency Syndrome is a recognized emerging disease and rapidly established itself throughout the world. Hematological and biochemical abnormalities are common findings in patients with HIV infection. These includes anemia, thrombocytopenia, leucopenia, pancytopenia, altered liver ...

  12. Productivity and biochemical composition of Tetradesmus obliquus and Phaeodactylum tricornutum

    NARCIS (Netherlands)

    Buono, Silvia; Colucci, Antonella; Angelini, Antonella; Langellotti, Antonio Luca; Massa, Marina; Martello, Anna; Fogliano, Vincenzo; Dibenedetto, Angela

    2016-01-01

    The present work evaluated biomass productivity, carbon dioxide fixation rate, and biochemical composition of two microalgal species, Phaeodactylum tricornutum (Bacillariophyta) and Tetradesmus obliquus (Chlorophyta), cultivated indoors in high-technology photobioreactors (HT-PBR) and outdoors

  13. Psoriatic arthritis: An assessment of clinical, biochemical and ...

    African Journals Online (AJOL)

    , epidemiological, clinical and radiological studies of South African (SA) patients are scarce. Objectives. To assess clinical, biochemical and radiological features in a single-centre SA cohort. Methods. We conducted a prospective assessment ...

  14. Biochemical profile of cuttings used for in vitro organogenesis of ...

    African Journals Online (AJOL)

    Biochemical profile of cuttings used for in vitro organogenesis of Prunus africana: An endangered species in Cameroon. JG Nzweundji, N Niemenak, O Oumar, JJ Tsafack, K Konan, L Nyochembeng, C Noumi, DT Nehemie, DO Ndoumou ...

  15. A Simple Approach to Study Designs in Complex Biochemical ...

    Indian Academy of Sciences (India)

    Somdatta Sinha

    Protein sequences. ‚ÄĘ Biochemical & Genetic information. REVERSE ENGINEERING. LARGE NETWORKS. FORWARD ENGINEERING. All designs that are not physically forbidden are realizable, but not all realizable designs are functionally effective. (in relation to context and constraints of the system and environment).

  16. Biochemical markers of mineral bone disorder in South African ...

    African Journals Online (AJOL)

    Conclusion: Secondary hyperparathyroidism and 25‚ÄďOH vitamin D deficiency were common in our haemodialysis patients. Hypocalcaemia and hyperphosphataemia were strong predictors for developing secondary hyperparathyroidism. Keywords: Biochemical markers, guidelines, mineral bone disorder, haemodialysis¬†...

  17. Biochemical constituents of seaweeds along the Maharashtra coast

    Digital Repository Service at National Institute of Oceanography (India)

    Dhargalkar, V.K.; Jagtap, T.G.; Untawale, A.G.

    Protein, carbohydrate and organic carbon were estimated in 43 marine algal species from different stations along the Maharashtra Coast in India These species showed variation in their biochemical contents Protein varied from 10 to 33% Chlorophyceae...

  18. Seasonal changes in biochemical composition of Holothuria leucospilota (Echinodermata)

    Digital Repository Service at National Institute of Oceanography (India)

    Jayasree, V.; Parulekar, A.H.; Wahidullah, S.; Kamat, S.Y.

    Biochemical composition of body wall and gonads of Holothuria leucospilota was analysed for protein, carbohydrate, lipid, ash, dry weight and calorific values and was discussed in relation to its spawning activities. Lipids constituted the major...

  19. Severe-Use Polymers Les polymères utilisés dans des conditions extrêmes

    Directory of Open Access Journals (Sweden)

    Cassidy P. E.

    2006-11-01

    Full Text Available The past decade has seen the development of organic polymers which can withstand extreme thermal, chemical and mechanical stresses. Three applications requiring resistance to these stresses are reviewed. Aerospace needs are for thermo-oxidatively stable adhe-sives, coatings and electrical insulation. Numerous polymers have been synthesized which are stable to high tempera-tures, but not all of these can be processed. Recent work has emphasized modifications to make stable polymers tractible. Types of polymers include aromatic (polyphenylene, polyester, polyamide, polyimidine, many heterocycles, ladders and inorganic backbones. Synthesis and properties of some of these polymers are discussed. Geothermal applications are directed toward elastomeric seals that require resistance to reduction and hydrolysis. The most successful formulations are EPDM and fluoroelastomers, with the former being superior and now used in the field. Long term undersea applications of elastomers require resistance to water absorption or permeation, hydrolysis and leaching of the rubber components. Solubility and permeation rate increase drastically with temperature, effects which can be used to evaluate service life. Twolayer laminates of different elastomers show permeation which is directionally dependent and which does not fit accepted calculated averages. La dernière décennie a vu le développement de polymères organiques pouvant résister à des contraintes extrêmes mécaniques, chimiques et thermiques. On passe en revue dans cet article trois applications exigeant une résistance à ces contraintes. Dans le domaine de l'aérospatiale on a besoin de ces polymères pour les adhésifs stables à l'oxydation thermique, pour les revêtements et pour l'isolement électrique. On a synthétisé de nombreux polymères qui sont stables à des hautes températures mais tous ne peuvent pas être travaillés. Un travail récent a mis en valeur les modifications permettant de

  20. A new dynamical layout algorithm for complex biochemical reaction networks

    OpenAIRE

    Kummer Ursula; Wegner Katja

    2005-01-01

    Abstract Background To study complex biochemical reaction networks in living cells researchers more and more rely on databases and computational methods. In order to facilitate computational approaches, visualisation techniques are highly important. Biochemical reaction networks, e.g. metabolic pathways are often depicted as graphs and these graphs should be drawn dynamically to provide flexibility in the context of different data. Conventional layout algorithms are not sufficient for every k...

  1. ASSESMENT OF BIOCHEMICAL ATTRIBUTES OF PRAECITRULLUS FISTULOSUS TREATED WITH MUTAGENS

    OpenAIRE

    Mehreen Khan

    2016-01-01

    Plants are well known to have certain primary and secondary metabolites collectively are known as biochemicals that plays an important role for human health as their medicinal properties. The aim of present study was to enhance and evaluate biochemical profile of Praecitrullus fistulosus by induced mutagenesis to cause genetic variations, plant leaves were treated with different chemical and physical mutagens. Colchicine and Ethidium bromide were used as chemical mutagens. While Ultraviolet (...

  2. Biochemical composition liquid medium for cultivation of Mycoplasma

    OpenAIRE

    GLEBOVA K.V.

    2011-01-01

    The article discusses the biochemical composition of nutrient media for cultivation of mycoplasmas isolated from animals. In liquid media for cultivation of mycoplasmas on the basis of tryptic digest of the heart of cattle with serum albumin of cattle and horse blood, blood serum of cattle, broiler chickens, horses and the environment were identified as Edward biochemical parameters: total protein and its fractions, cholesterol, triglycerides, amino nitrogen, grain size distribution of lipopr...

  3. Opportunity and prospect analysis of RES utilization for sustainable development of Ekaterinburg city in Russia

    Science.gov (United States)

    Volkov, A.; Aristova, A.

    2017-06-01

    Recently megalopolises have become centres of economy development worldwide. Gradual growth in energy consumption and thereafter - enormous power production and delivery to sustain metropolis’ needs entailed, rapid increase in emissions of hazardous substances in quantities, no longer tolerable for secure residence in majority of these cities. Ekaterinburg, is one of them. In order to abridge harmful pollution in Ekaterinburg and further centralize economic importance of the city, this paper proposes to implement the concept of urban sustainable development/ref. / by introducing alternative energy sources, which would progressively displace traditional fossil fuels. A number of actual cases, where the concept was successfully implemented, were studied and analysed to demonstrate how different shares of renewables can become effective substitutes to conventional energy sources in the cities strongly dependent on them: 1. Energy strategy of Pecs (Hungary); 2. International low carbon city (ILCC) project (Shenzhen, China); 3. Electric power system template of Tangshan city (China). Further, regional environmental and economic specifics of Ekaterinburg were studied to understand power consumption needs and energy generation possibilities, which led authors to conclude on the alternative energy sources feasibility, plot specific flow chart for RES implementation in Ekaterinburg’s power network and outline recommendations for future works.

  4. Maladie et introspection dans les Lettres familières d’Etienne Pasquier

    Directory of Open Access Journals (Sweden)

    Antoinette Gimaret

    2010-02-01

    Full Text Available A' la fin de la Renaissance, la valorisation d‚Äôune certaine ‚Äúprivaut√©‚ÄĚ favorise la mise en discours des choses du corps et le r√©cit de soi. Au lendemain des guerres de religion, la paix civile promue par l‚Äô√Čdit de Nantes trace de nouvelles fronti√®res entre priv√© et public, fracture qui rend possible l‚Äôexistence d‚Äôun espace d√©croch√© de tout bien public, o√Ļ chacun est incit√© √† cultiver des vertus priv√©es. (... Dans l‚Äôexploration de cette correspondance, nous voyons donc comment, √† la fin de la Renaissance, discourir de sa douleur constitue pour l‚Äôindividu particulier une alternative au discours d√©vot majoritaire, dans la mesure o√Ļ cette √©criture de la douleur favorise une exploration du moi priv√© dans la singularit√© et l‚Äôirr√©ductible √©vidence de ses sensations de plaisirs et de douleur.

  5. Enfermidades em bovinos associadas ao consumo de resíduos de cervejaria

    Directory of Open Access Journals (Sweden)

    Luís Armando C. Brust

    2015-12-01

    Full Text Available Resumo: A utiliza√ß√£o de subprodutos de cervejaria na alimenta√ß√£o de bovinos tem crescido nos √ļltimos anos como uma excelente alternativa na manuten√ß√£o ou aumento da produtividade na bovinocultura, sobretudo na Regi√£o Sudeste. Entre os res√≠duos mais empregados est√£o o baga√ßo de malte oriundo da "cevada" e o "levedo de cerveja", um subproduto l√≠quido que cont√©m √°lcool, muito utilizado no Estado do Rio de Janeiro. O uso incorreto ou sem os devidos cuidados, bem como o armazenamento de forma inadequada, contudo, podem ser respons√°veis por quadros de intoxica√ß√£o por etanol, neurotoxicose por Aspergillus clavatus, acidose ruminal e botulismo. Esse trabalho tem por intuito alertar para a import√Ęncia dessas condi√ß√Ķes como causa de s√©rios preju√≠zos econ√īmicos √† pecu√°ria e fornecer subs√≠dios para o estabelecimento do diagn√≥stico, diagn√≥stico diferencial e profilaxia das mesmas.

  6. In Search of the 'New Informal Legitimacy' of Médecins Sans Frontières.

    Science.gov (United States)

    Calain, Philippe

    2012-04-01

    FOR MEDICAL HUMANITARIAN ORGANIZATIONS, MAKING THEIR SOURCES OF LEGITIMACY EXPLICIT IS A USEFUL EXERCISE, IN RESPONSE TO: misperceptions, concerns over the 'humanitarian space', controversies about specific humanitarian actions, challenges about resources allocation and moral suffering among humanitarian workers. This is also a difficult exercise, where normative criteria such as international law or humanitarian principles are often misrepresented as primary sources of legitimacy. This essay first argues for a morally principled definition of humanitarian medicine, based on the selfless intention of individual humanitarian actors. Taking Médecins Sans Frontières (MSF) as a case in point, a common source of moral legitimacy for medical humanitarian organizations is their cosmopolitan appeal to distributive justice and collective responsibility. More informally, their legitimacy is grounded in the rightfulness of specific actions and choices. This implies a constant commitment to publicity and accountability. Legitimacy is also generated by tangible support from the public to individual organizations, by commitments to professional integrity, and by academic alliances to support evidence-based practice and operational research.

  7. Adaptive Fuzzy Control for Power-Frequency Characteristic Regulation in High-RES Power Systems

    Directory of Open Access Journals (Sweden)

    Evangelos Rikos

    2017-07-01

    Full Text Available Future power systems control will require large-scale activation of reserves at distribution level. Despite their high potential, distributed energy resources (DER used for frequency control pose challenges due to unpredictability, grid bottlenecks, etc. To deal with these issues, this study presents a novel strategy of power frequency characteristic dynamic adjustment based on the imbalance state. This way, the concerned operators become aware of the imbalance location but also a more accurate redistribution of responsibilities in terms of reserves activations is achieved. The proposed control is based on the concept of ‚Äúcells‚ÄĚ which are power systems with operating capabilities and responsibilities similar to control areas (CAs, but fostering the use of resources at all voltage levels, particularly distribution grids. Control autonomy of cells allows increased RES hosting. In this study, the power frequency characteristic of a cell is adjusted in real time by means of a fuzzy controller, which curtails part of the reserves, in order to avoid unnecessary deployment throughout a synchronous area, leading to a more localised activation and reducing losses, congestions and reserves exhaustion. Simulation tests in a four-cell reference power system prove that the controller significantly reduces the use of reserves without compromising the overall stability.

  8. Reaproveitamento de resíduos agroindustriais de casca banana para tratamento de efluentes

    Directory of Open Access Journals (Sweden)

    Wanessa Alves Martins

    2015-04-01

    Full Text Available A casca da banana √© um res√≠duo proveniente da agroind√ļstria. Trata-se de um material biodegrad√°vel, com baixo custo e que apresenta afinidade por compostos org√Ęnicos e metais t√≥xicos. O presente artigo buscou avaliar o potencial adsortivo da casca da banana na remo√ß√£o de chumbo e cobre em efluentes. Inicialmente foi preparado o adsorvente e¬† adsorvato, em seguida as amostras foram caracterizadas pelas t√©cnicas FTIR, MEV e TG/DSC. Posteriormente, foram testadas na adsor√ß√£o do √≠on chumbo e cobre.¬† Foram observados os grupos funcionais presentes na casca da banana com destaque para lignina, celulose e hemicelulose. Os melhores resultados de adsor√ß√£o para o chumbo ocorreram √†¬† 50¬įC com aproximadamente 99,6% de remo√ß√£o e 70% de remo√ß√£o para o cobre a 27¬ļC . Dessa forma podemos notar que a casca da banana √© um bom adsorvente natural e tem viabilidade para ser utilizado como material alternativo em procedimentos de adsor√ß√£o pelo seu baixo custo, facilidade de manuseio e seletividade.

  9. L’Eurovision et les frontières culturelles de l’Europe

    Directory of Open Access Journals (Sweden)

    Fabien Venon

    2007-01-01

    Full Text Available L‚ÄôEurovision s‚Äôaffirme comme la plus ancienne manifestation d‚Äôunit√© culturelle europ√©enne, f√™tant en 2005 ses 50 ans. Loin de n‚Äô√™tre qu‚Äôun spectacle kitsch, le concours europ√©en de la chanson pose un certain nombre de probl√©matiques sur les fronti√®res culturelles de l‚ÄôEurope. Peut-on √™tre europ√©en en entonnant la ritournelle et se voir, par contre, repouss√© de l‚ÄôUnion europ√©enne, espace culturel, √©conomique et politique¬†? L‚Äôespace europ√©en est-il parfaitement homog√®ne ou sommes-nous face √† un agr√©gat de sous-ensembles r√©gionaux r√©unis¬†? La devise de l‚ÄôUnion europ√©enne ¬ę¬†Unie dans la diversit√©¬†¬Ľ est-elle encore d‚Äôactualit√©¬†?

  10. Dernières nouvelles du cosmos vers la première seconde

    CERN Document Server

    Reeves, Hubert

    1994-01-01

    ¬ę Ces derni√®res ann√©es, les recherches scientifiques sur le pass√© le plus lointain de l'univers ont √©t√© men√©es avec une grande vigueur. Je me propose d'en pr√©senter ici les r√©sultats les plus marquants. La th√©orie du Big Bang s'impose comme la description la plus ad√©quate de l'√©volution du cosmos. Les arguments en sa faveur se sont accumul√©s. Mais, en parall√®le, un certain nombre de difficult√©s sont apparues. Mon objectif est d'amener le lecteur vers les premiers temps de l'univers pour lui permettre d'estimer lui-m√™me le degr√© de cr√©dibilit√© de la th√©orie. Dans ce livre, nous remontons le temps jusqu'au moment o√Ļ l'horloge conventionnelle marque " une seconde ". (Un ouvrage ult√©rieur nous pr√©sentera ce que nous savons de l'univers pendant cette premi√®re seconde.) Les affirmations de la th√©orie sont fond√©es sur une collection d'observations, les " fossiles cosmologiques ", qui nous renseignent sur l'√©tat du cosmos √† certains moments de son histoire. Nous donnons √† chaque √©tape le...

  11. LHC Refroidissement à eau, critères de choix des composants

    CERN Document Server

    Pirollet, B

    1998-01-01

    De nombreux équipements de la machine LEP seront réutilisés dans les installations de refroidissement par eau, liées au fonctionnement du LHC. Ce sera notamment le cas des compresseurs frigorifiques équipant les centrales de production d'eau glacée. Dix ans après la mise en service de ces équipements, un bilan technique et financier a été dressé. Durant cette période, le monde du froid a connu de grandes évolutions comme, par exemple, la mise en place de nouvelles législations dans l'utilisation des fluides frigorigènes. Ces réglementations ont contraint l'industrie chimique et, plus particulièrement, les constructeurs de matériel frigorifique à développer de nouvelles générations de réfrigérants, d'échangeurs et de compresseurs. Au vu du bilan d'exploitation du LEP et face aux nouvelles technologies, le CERN a défini les critères de choix à prendre en compte lors de la conception de centrales frigorifiques de grandes puissances, centrales indispensables au fonctionnement des accé...

  12. Transformations des fili√®res mara√ģch√®res en Tha√Įlande : apport de la recherche syst√®me aux producteurs pour la ma√ģtrise des innovations techniques et organisationnelles

    OpenAIRE

    Trebuil, G.; Castella, Jean-Christophe; Srijante, T.; Naritoom, C.

    1995-01-01

    Depuis quelques ann√©es, la d√©localisation de certaines fili√®res mara√ģch√®res d'Extr√™me Orient vers l'Asie du Sud-Est est en cours. Depuis 1989, la rentabilit√© tr√®s √©lev√©e de la culture d'asperge verte a ainsi √©t√© utilis√©e sur un √©ventail alluvionnaire irrigu√© de la Tha√Įlande centrale afin d'aider au d√©sendettement d'une majorit√© de petits agriculteurs visant la maximisation de leur revenu net √† l'unit√© de surface. L'article pr√©sente le bilan de la composante d'un projet appuyant la cr√©ation et...

  13. Recherche de marqueurs lipidiques aptes à montrer l’absence de tissus nerveux dans les matières premières des gélatines d’os

    Directory of Open Access Journals (Sweden)

    Combe Nicole

    2002-09-01

    Full Text Available La g√©latine est fabriqu√©e √† partir de deux cat√©gories de mati√®res premi√®res, d√©nomm√©es ¬ę os lourds ¬Ľ et ¬ę os l√©gers ¬Ľ, obtenues apr√®s d√©graissage, s√©chage, broyage, puis tamisage d‚Äôos frais de bŇďuf, √† l‚Äôexclusion de mat√©riaux √† risques vis-√†-vis de l‚Äôenc√©phalopathie spongiforme bovine (cerveaux, yeux, amygdales et moelle √©pini√®re. L‚Äôobjectif de cette √©tude √©tait d‚Äôidentifier un ou plusieurs constituants lipidiques sp√©cifiques des tissus nerveux, et principalement de la moelle √©pini√®re, permettant de v√©rifier l‚Äôabsence de tissus nerveux dans les mati√®res premi√®res utilis√©es pour la fabrication de g√©latine. Pour cela, la composition lipidique de la moelle √©pini√®re a √©t√© compar√©e √† celle des mati√®res premi√®res de g√©latine. La pertinence d‚Äôun param√®tre (p, vis-√†-vis d‚Äôune source donn√©e, a √©t√© √©valu√©e par la valeur du facteur : F (p = [p]moelle √©pini√®re/[p] OS, qui est le rapport entre sa concentration dans les lipides de moelle √©pini√®re et celle dans la source osseuse consid√©r√©e. Plus la valeur de F est √©lev√©e, plus le param√®tre est pertinent. Trois param√®tres ont √©t√© cibl√©s sur la base de leur caract√®re sp√©cifique des tissus nerveux par rapport aux graisses d‚Äôos : (1 les phospholipides (PL; (2 les acides gras √† tr√®s longues cha√ģnes (AGTLC = 20:0 + 20:1 + 22:0 + 22:1 n-9 + 23:0 + 24:0 + 24:1 n-9 ; (3 les alcools gras, analys√©s sous la forme de d√©riv√©s dim√©thyl ac√©tals (DMA. Eu √©gard aux mati√®res premi√®res servant √† la fabrication de g√©latine, la valeur de FPL varie de 8 √† 15, celle de FAGTLC de 25 √† 41. La valeur de FDMA est √©gale √† 26 vis-√†-vis des ¬ę os l√©gers ¬Ľ, elle est infiniment grande vis-√†-vis des ¬ę os lourds ¬Ľ puisque, dans cette mati√®re premi√®re, les DMA sont ind√©tectables. Ainsi pour cette cat√©gorie de mati√®re premi√®re, le param√®tre DMA s‚Äôav√®re le plus adapt√© pour d√©tecter du mat√©riel d‚Äôorigine nerveuse (moelle √©pini√®re.

  14. Composição de resíduos de varrição e resíduos carreados pela rede de drenagem, em uma bacia hidrográfica urbana

    OpenAIRE

    Neves,Marllus Gustavo Ferreira Passos das; Tucci,Carlos Eduardo Morelli

    2011-01-01

    Apresentam-se aqui resultados de estudo sobre a composição física de resíduos sólidos de varrição e também daqueles vindos por uma rede de drenagem, em uma bacia hidrográfica urbana, identificando, dentre outros, influências da frequência do serviço de varrição e da época do ano. Os resíduos de varrição foram provenientes de várias partes do solo da bacia e os da rede de drenagem eram retirados de um poço de casa de bombas, para onde convergia todo o escoamento da rede. Alguns resultados inte...

  15. Les d√©terminants de l‚Äôattractivit√© territoriale des entreprises manufacturi√®res et logistiques √©trang√®res¬†: application √† la ville de Tanger¬†‚ÄstMaroc

    Directory of Open Access Journals (Sweden)

    Abbes Elhasbi

    2017-03-01

    Full Text Available L’objectif de cet article est de proposer les principaux facteurs d’attractivité des investisseurs étrangers dans les secteurs manufacturiers et logistiques de la ville de Tanger au Maroc. Notre modèle conceptuel a été élaboré à partir d’une revue de littérature et d’entretiens avec un échantillon de dirigeants des petites et moyennes entreprises (PME étrangères. Notre analyse empirique est réalisée à partir des données issues d’une enquête menée auprès des dirigeants des entreprises étrangères (manufacturières et logistiques installées à la ville de Tanger. L’utilisation de l’approche Partial least squares (PLS nous a permis de tester les liens de causalité entre les divers facteurs politiques, économiques, sociaux, technologiques, environnementaux et juridiques (Pestel. L’intérêt scientifique de notre modèle est de présenter aux décideurs de la ville de Tanger des recommandations afin d’améliorer le développement et l’attractivité des investissements étrangers dans les deux secteurs logistique et manufacturier.

  16. Mycorrhiza analyses in New Zealand truffières reveal frequent but variable persistence of Tuber melanosporum in co-existence with other truffle species.

    Science.gov (United States)

    Guerin-Laguette, Alexis; Cummings, Nicholas; Hesom-Williams, Nina; Butler, Ruth; Wang, Yun

    2013-02-01

    This study compiles the results from an examination of mycorrhizae on root samples from Tuber melanosporum truffières in New Zealand. Samples were taken over 5 years from 328 trees in 43 truffières established with nursery-inoculated trees. Mycorrhizae were analysed using a combination of morphological and molecular techniques, focusing on the identification of Tuber species. Results show that 49% of the trees, and nearly 90% of the truffières, retained T. melanosporum mycorrhizae up to 21 years after planting. Tuber mycorrhizae with spiky cystidia were found on 26.9% of the tested trees: Tuber brumale (5.5%), Tuber maculatum (10.7%), and unidentified Tuber species (10.7%), and were detected in 67% of the truffières tested. T. brumale was found in 28% and T. maculatum in 35% of the truffières. In 56% of the truffières, T. melanosporum was found to occur with spiky Tuber species. The existence of T. brumale and T. maculatum in the same truffière was recorded only once. Forty-four percent of trees examined had Scleroderma-like (SCL) mycorrhizae and 50% of trees hosted other ectomycorrhizal species (OE). For all categories of mycorrhizal species examined, the variation between truffières was greater than variation within each truffière. Overall results indicate that Corylus avellana tends to be more receptive to mycorrhizae of Tuber species than Quercus robur but is not necessarily more productive. In productive truffières, Q. robur appears to host SCL mycorrhizae more often than C. avellana. This is the first study of its scale to analyse the mycorrhizal species associated with T. melanosporum truffières in the Southern Hemisphere.

  17. Gest√£o de res√≠duos hospitalares numa unidade prestadora de cuidados de sa√ļde

    OpenAIRE

    Fadigas, Anabela Vila Real Dias

    2010-01-01

    RESUMO - Nos tempos que decorrem sabe-se que o meio ambiente é uma preocupação constante, uma vez que se encontra ameaçado pela poluição produzida pela humanidade. No ambiente hospitalar, também a poluição se encontra presente no dia-a-dia através, por exemplo, dos resíduos hospitalares. Estes são um risco para os trabalhadores, utentes, e para a população em geral. Como tal, torna-se importante gerir estes resíduos de modo a diminuir ao máximo todos estes danos. Assim...

  18. A problemática dos resíduos em sistemas gelificados para a limpeza de pinturas

    Directory of Open Access Journals (Sweden)

    Teresa Moreira Braga Teves Reis

    2012-12-01

    Full Text Available A limpeza de superf√≠cies pict√≥ricas com sistemas gelificados tem vindo a levantar diversas quest√Ķes e opini√Ķes contradit√≥rias que se prendem com a deposi√ß√£o de res√≠duos de alguns componentes dos g√©is, nomeadamente os surfactantes, nas superf√≠cies tratadas, e com potenciais riscos que ditos sistemas gelificados podem apresentar para os materiais constituintes das pinturas. Prop√īs-se neste artigo fazer uma revis√£o generalizada da informa√ß√£o j√° publicada acerca dos res√≠duos de g√©is, numa tentativa de informar outros colegas da profiss√£o acerca deste assunto e assim fomentar tomadas de decis√Ķes mais esclarecidas relativamente a uma das opera√ß√Ķes que mais riscos apresenta para uma pintura: a sua limpeza.

  19. Res√≠duos eletroeletr√īnicos : um diagn√≥stico da cadeia de processamento

    OpenAIRE

    Jorge Luiz Kunrath

    2015-01-01

    Reconhecido como um problema mundial, o crescente volume de res√≠duos eletr√īnicos tem representado uma preocupa√ß√£o quanto √†s pr√°ticas de descarte destes equipamentos por utilizar na fabrica√ß√£o produtos e metais t√≥xicos com poss√≠veis danos √† sa√ļde dos seres humanos e ao ambiente. Os res√≠duos de equipamentos eletroeletr√īnicos tamb√©m possuem em sua composi√ß√£o metais preciosos como ouro e a prata, al√©m de teores significativos de cobre, representando fonte de interesse comercial na recupera√ß√£o des...

  20. Resíduos sólidos e lixo hospitalar: uma discussão ética

    OpenAIRE

    Ferreira Jo√£o Alberto

    1995-01-01

    O presente artigo trata da quest√£o dos res√≠duos s√≥lidos, discutindo os problemas decorrentes de um modo de ser e de agir, resultante das rela√ß√Ķes entre Primeiro Mundo e Terceiro Mundo e as perspectivas para o meio ambiente se n√£o ocorrer uma √©tica renovada de solidariedade entre seres humanos e de respeito √† vida. A partir dessa vis√£o mais geral, o artigo trata, ent√£o, das quest√Ķes espec√≠ficas dos res√≠duos hospitalares, as interfer√™ncias e imposi√ß√Ķes da "cultura" de Primeiro Mundo nos sistema...

  1. Reciclagem do res√≠duo de cromo da ind√ļstria do curtume como pigmentos cer√Ęmicos.

    OpenAIRE

    Míriam Antonio de Abreu

    2006-01-01

    Este trabalho apresenta uma alternativa para a reciclagem dos res√≠duos de cromo da Ind√ļstria do Curtume incorporando-os na formula√ß√£o de pigmentos cer√Ęmicos. Inicialmente o res√≠duo de cromo foi tratado sendo realizada a extra√ß√£o de sais sol√ļveis, cloretos, sulfatos, carbonatos e posterior calcina√ß√£o para a elimina√ß√£o de mat√©ria-org√Ęnica, tornando assim, vi√°vel sua utiliza√ß√£o como pigmentos. Os ensaios realizados utilizaram as seguintes t√©cnicas: fluoresc√™ncia de raios X, espectroscopia por em...

  2. Gerenciamento de resíduos em escola agrícola: mudança de paradigma

    OpenAIRE

    Neves, Elaine S.; Andrade, Danielle M.; Monteiro, Maria L√ļcia S.; Siqueira, Elisa B.

    2012-01-01

    Em outubro de 2006, o Governo Federal, atrav√©s do Decreto 5.940, de 25 de outubro de 2006, determina que os √≥rg√£os e entidades da administra√ß√£o p√ļblica direta e indireta instituam a separa√ß√£o dos res√≠duos recicl√°veis descartados destinando-os √°s associa√ß√Ķes e cooperativas de catadores de materiais recicl√°veis, gerenciando os res√≠duos produzidos. As institui√ß√Ķes passaram, ent√£o, a estudar e elaborar planos de a√ß√£o para que essa pol√≠tica se efetive de acordo com a realidade de cada local, que a...

  3. Les bactéries propioniques laitières : une source de probiotiques encore inexplorée ?

    OpenAIRE

    Jan, Gwenael

    2014-01-01

    Les bact√©ries propioniques laiti√®res utilis√©es pour la fabrication de certains fromages sont s√©lectionn√©es sur la base de crit√®res techno-fonctionnels (adaptation au process, texture et ar√īme g√©n√©r√©s) mais rarement sur la base de leurs effets sant√©. Or, des donn√©es scientifiques r√©centes indiquent que certaines souches de bact√©ries pourraient avoir un effet probiotique et donc exercer un effet b√©n√©fique sur la sant√©. Des effets sur le tube digestif, sur la modulation de la carcinogen√®se et...

  4. Utilização de resíduos de concreto em concreto auto-adensável

    OpenAIRE

    Branco, Roberto Pagliosa [UNESP

    2012-01-01

    O principal objetivo desse trabalho √© buscar uma solu√ß√£o que viabilize melhorar as caracter√≠sticas do concreto auto-adens√°vel (CAA) e que tamb√©m possibilite o reaproveitamento dos res√≠duos gerados pela ind√ļstria da constru√ß√£o civil. O trabalho consiste em produzir CAA com adi√ß√£o de material fino constitu√≠do por res√≠duos de concreto em substitui√ß√£o ao agregado mi√ļdo, objetivando obter uma mistura auto- adens√°vel sem segrega√ß√£o, cujo resultado seja ben√©fico para as propriedades f√≠sicas e mec√Ęni...

  5. Compostos bioativos em √≥leos e res√≠duos de sementes de uvas org√Ęnicas e convencionais

    OpenAIRE

    Carolina Fagundes Assumpção

    2014-01-01

    A ind√ļstria de alimentos √© respons√°vel pela produ√ß√£o de grandes quantidades de res√≠duos que podem representar altos custos quando n√£o utilizados. Entre estes res√≠duos est√£o as sementes oriundas do processamento de uva, uma das frutas mais consumidas no mundo. Al√©m do aproveitamento de res√≠duos e consequentemente novas formas de consumo, este material tem sido relatado como fonte natural rica em compostos bioativos. Neste contexto, o consumo de alimentos mais saud√°veis tamb√©m tem impulsionado ...

  6. Da prevenção de resíduos à relação oferta-procura mais reponsável

    OpenAIRE

    Partid√°rio, Paulo Jorge

    2009-01-01

    A¬†preven√ß√£o¬†de¬†res√≠duos¬†consiste¬†em¬†processos¬†e¬†actividades¬†realizados¬†por¬†indiv√≠duos¬†e/ou¬†organiza√ß√Ķes¬†as¬†quais¬†permitem¬†evitar¬†ou¬†reduzir¬†na¬†fonte¬†a¬†quantidade¬†e/ou¬†perigosidade¬†de¬†materiais¬†e¬†res√≠duos¬†antes¬†que¬†entrem¬†nos¬†fluxos¬†de¬†res√≠duos¬†inevit√°veis. ¬†¬†

  7. Innova on pour la santé des mères et des enfants d'Afrique

    International Development Research Centre (IDRC) Digital Library (Canada)

    19 janv. 2018 ... Les conclusions révèlent des similitudes parmi les cas de divers contextes na onaux, fournissant une riche base de preuves afin d'inspirer des ini a ves visant à améliorer l'équité en ma ère de santé. OUVRIR LE PDF | COMMANDER LE LIVRE. Innova on pour la santé des mères et des enfants d'Afrique.

  8. Matura√ß√£o de Compostos Org√Ęnicos de Res√≠duos Agroindustriais

    Directory of Open Access Journals (Sweden)

    Rafaela Alves Pereira

    2013-07-01

    Full Text Available Os res√≠duos agroindustriais geralmente apresentam grandes concentra√ß√Ķes de materiais org√Ęnicos que, se manejados de forma inadequada, podem poluir e/ou contaminar o solo, a √°gua e o ar. A t√©cnica de compostagem tem se mostrado um processo eficiente na busca pela minimiza√ß√£o da problem√°tica ambiental associada aos res√≠duos org√Ęnicos e na redu√ß√£o do volume de res√≠duos descartados em lix√Ķes e aterros sanit√°rios. O principal objetivo deste trabalho consiste na utiliza√ß√£o de par√Ęmetros f√≠sico-qu√≠micos para verificar a matura√ß√£o de compostos org√Ęnicos obtidos a partir de res√≠duos agroindustriais da regi√£o de Pombal, um munic√≠pio localizado no semi√°rido paraibano. Para obten√ß√£o dos compostos org√Ęnicos, cascas de bananas, estercos ovinos e podas de marmeleiro e jurema-preta foram triturados e misturados para montar duas pilhas de compostagem, sendo uma depositada em solo compactado e outra sobre um p√°tio pavimentado com concreto. Os par√Ęmetros utilizados na avalia√ß√£o da matura√ß√£o foram: temperatura, rela√ß√£o C/N, condutividade el√©trica, pH e demanda qu√≠mica de oxig√™nio. Os resultados sugerem que os compostos org√Ęnicos estudados est√£o maturados, indicando que estes simples m√©todos s√£o considerados seguros para verifica√ß√£o de processos de compostagem conduzidos em regi√Ķes sujeitas √†s condi√ß√Ķes semi√°ridas.¬†

  9. √Čtude hydrog√©ochimique des eaux des aquif√®res de fractures du ...

    African Journals Online (AJOL)

    Les eaux souterraines de la région sont bicarbonatées calciques (93,75%) et chlorurées calciques (6,25%). On note dans l'ensemble que les eaux des aquifères de fractures sont sous-saturées en calcite et en dolomite. La minéralisation des eaux souterraines de la région a pour origine, l'altération des roches, l'hydrolyse ...

  10. Des lasers à excimères pour cristalliser le silicium des écrans plats : pourquoi ? comment ?

    Science.gov (United States)

    Prat, C.

    2003-06-01

    Les contraintes techniques et économiques de la fabrication d'écrans plats à cristaux liquides à matrice active ont suscité de nombreuses études de procédés de cristallisation de couches minces de silicium par laser à excimères, exploitant principalement trois types de phénomènes physiques, dans le but d'obtenir des cristaux micrométriques les plus uniformes possible.

  11. Un champ de cratères d'impact au sommet du Nkol Nyara à Leboudi ...

    African Journals Online (AJOL)

    L'importance des fontes représentées par une couche et des veinules de verre de couleur noire recouvrant ou affectant des gneiss clairs à grenat et disthène la roche trame hébergeant ces cratères, rend compte d'un processus thermique lié à l'arrivée au sommet du Nkol Nyara, d'un essaim ou d'une pluie de minuscules ...

  12. Villes c√īti√®res en danger aux Philippines : investir dans la r√©silience ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    Les villes c√īti√®res des Philippines sont tr√®s vuln√©rables aux effets des changements climatiques et aux catastrophes qui en d√©coulent. Un examen des plans et des programmes de gestion des catastrophes en vigueur aux Philippines montre que la plupart d'entre eux ne s'appuient pas sur une m√©thode d'appr√©ciation¬†...

  13. Res√ļmenes de tesis de grado sobre pol√≠tica colombiana, presentadas en colombia y en el exterior

    OpenAIRE

    Losada Lora, Rodrigo; Delgado Lerzundy, Gladys

    2010-01-01

    Informe de la Investigaci√≥n realizada por la Fundaci√≥n para la Educaci√≥n Superior y el Desarrollo (FEDESARROLLO) con el patrocinio de COLCIENCIAS. Presenta los res√ļmenes de las tesis de grado presentadas en Colombia y de las tesis doctorales presentadas en universidades extranjeras, que consideran temas relacionados con¬†diversos aspectos de la vida pol√≠tica del pa√≠s contempor√°neo.

  14. Dynamique des matières en suspension dans un bief de la rivière lot

    Directory of Open Access Journals (Sweden)

    MASSIO J. C.

    1976-01-01

    Full Text Available Des bilans amont-aval ont été réalisés sur le bief de Cajarc : réservoir artificiel de 3 km de long et 1 269 000 m3 sur la rivière Lot. Les paramètres suivants ont été étudiés sur des cycles de 24 heures pour différents débits : matières minérales et organiques en suspension, turbidité de l'eau, teneurs en pigments chlorophylliens, en nitrates, nitrites et phosphates. Pour des débits inférieurs à 80 m3/s, on observe une tendance à la décantation des matières minérales en suspension, et pour des débits supérieurs à 100 m3 /s une tendance à l'arrachement des sédiments. Ces mécanismes varient selon la saison. La majorité des matières organiques en suspension est constituée en hiver de détritus issus du bassin versant et du lit de la rivière. En été, la part des algues devient importante mais demeure faible relativement aux teneurs observées plus en aval dans la rivière. Dans les bilans amont-aval, l'évolution des teneurs en matières organiques et pigments chlorophylliens d'une part et des teneurs en nitrates, phosphates et nitrites d'autre part rend compte des phénomènes de biosynthèse et de biodégradation au sein de la masse d'eau.

  15. Villes s√Ľres et inclusives ‚ÄĒ recherche visant la r√©duction de la ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    Afrique du Sud. La coh√©sion sociale, le cha√ģnon manquant dans la lutte sans tr√™ve contre la violence et les in√©galit√©s ? Gloria Perdomo de Far√≠as. Laboratorio de Ciencias Sociales,. LASCO, Venezuela. Renforcement des institutions en vue de villes plus s√Ľres : r√©sultats de travaux men√©s √† Sucre, √† Libertador et √† Chacao,.

  16. La dissection spontanée des artères coronaires: à propos de 2 cas ...

    African Journals Online (AJOL)

    La dissection spontanée des artères coronaires (DSAC) est une cause rare du syndrome coronarien aigu (SAC); sa prévalence est de moins de 3%. Elle se définit par une séparation au sein de la paroi artérielle coronaire secondaire à une hémorragie intra murale, avec ou sans déchirure de l'intima, créant un faux chenal.

  17. Recours aux cultures céréalières traditionnelles pour améliorer la ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    La recherche. Financ√© par le CRDI et AMC dans le cadre du Fonds canadien de recherche sur la s√©curit√© alimentaire internationale (FCRSAI), ce projet allie savoir traditionnel et technologie moderne en vue d'accro√ģtre la production de cultures c√©r√©ali√®res traditionnelles prometteuses dans quatre √Čtats de l'Inde. Dans le¬†...

  18. Surgeons Without Borders: A Brief History of Surgery at Médecins Sans Frontières.

    OpenAIRE

    Chu, K; Rosseel, P; Trelles, M; Gielis, P

    2009-01-01

    Médecins Sans Frontières (MSF) is a humanitarian organization that performs emergency and elective surgical services in both conflict and non-conflict settings in over 70 countries. In 2006 MSF surgeons departed on approximately 125 missions, and over 64,000 surgical interventions were carried out in some 20 countries worldwide. Historically, the majority of MSF surgical projects began in response to conflicts or natural disasters. During an emergency response, MSF has resources to set up maj...

  19. Contribution des activités minières au développement en Afrique ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    Reports. Contribution des activités minières au développement en Afrique : stratégies privées, publiques et multilatérales; rapport technique final (mars 2011 à décembre 2014). Reports. Corporate Social Responsibility (CSR) and development in Africa : redefining the roles and responsibilities of public and private actors in ...

  20. Applying Rock Engineering Systems (RES approach to Evaluate and Classify the Coal Spontaneous Combustion Potential in Eastern Alborz Coal Mines

    Directory of Open Access Journals (Sweden)

    Amir Saffari

    2013-12-01

    Full Text Available Subject analysis of the potential of spontaneous combustion in coal layers with analytical and numerical methods has been always considered as a difficult task because of the complexity of the coal behavior and the number of factors influencing it. Empirical methods, due to accounting for certain and specific factors, have not accuracy and efficiency for all positions. The Rock Engineering Systems (RES approach as a systematic method for analyzing and classifying is proposed in engineering projects. The present study is concerned with employing the RES approach to categorize coal spontaneous combustion in coal regions. Using this approach, the interaction of parameters affecting each other in an equal scale on the coal spontaneous combustion was evaluated. The Intrinsic, geological and mining characteristics of coal seams were studied in order to identifying important parameters. Then, the main stages of implementation of the RES method i.e. interaction matrix formation, coding matrix and forming a list category were performed. Later, an index of Coal Spontaneous Combustion Potential (CSCPi was determined to format the mathematical equation. Then, the obtained data related to the intrinsic, geological and mining, and special index were calculated for each layer in the case study (Pashkalat coal region, Iran. So, the study offers a perfect and comprehensive classification of the layers. Finally, by using the event of spontaneous combustion occurred in Pashkalat coal region, an initial validation for this systematic approach in the study area was conducted, which suggested relatively good concordance in Pashkalat coal region.

  1. Photoresponse Enhancement in Monolayer ReS2 Phototransistor Decorated with CdSe-CdS-ZnS Quantum Dots.

    Science.gov (United States)

    Qin, Jing-Kai; Ren, Dan-Dan; Shao, Wen-Zhu; Li, Yang; Miao, Peng; Sun, Zhao-Yuan; Hu, PingAn; Zhen, Liang; Xu, Cheng-Yan

    2017-11-15

    ReS 2 films are considered as a promising candidate for optoelectronic applications due to their direct band gap character and optical/electrical anisotropy. However, the direct band gap in a narrow spectrum and the low absorption of atomically thin flakes weaken the prospect for light-harvesting applications. Here, we developed an efficient approach to enhance the performance of a ReS 2 -based phototransistor by coupling CdSe-CdS-ZnS core-shell quantum dots. Under 589 nm laser irradiation, the responsivity of the ReS 2 phototransistor decorated with quantum dots could be enhanced by more than 25 times (up to ‚ąľ654 A/W) and the rising and recovery time can be also reduced to 3.2 and 2.8 s, respectively. The excellent optoelectronic performance is originated from the coupling effect of quantum dots light absorber and cross-linker ligands 1,2-ethanedithiol. Photoexcited electron-hole pairs in quantum dots can separate and transfer efficiently due to the type-II band alignment and charge exchange process at the interface. Our work shows that the simple hybrid zero- and two-dimensional hybrid system can be employed for photodetection applications.

  2. Integrated digital inverters based on two-dimensional anisotropic ReS2 field-effect transistors

    Science.gov (United States)

    Liu, Erfu; Fu, Yajun; Wang, Yaojia; Feng, Yanqing; Liu, Huimei; Wan, Xiangang; Zhou, Wei; Wang, Baigeng; Shao, Lubin; Ho, Ching-Hwa; Huang, Ying-Sheng; Cao, Zhengyi; Wang, Laiguo; Li, Aidong; Zeng, Junwen; Song, Fengqi; Wang, Xinran; Shi, Yi; Yuan, Hongtao; Hwang, Harold Y.; Cui, Yi; Miao, Feng; Xing, Dingyu

    2015-01-01

    Semiconducting two-dimensional transition metal dichalcogenides are emerging as top candidates for post-silicon electronics. While most of them exhibit isotropic behaviour, lowering the lattice symmetry could induce anisotropic properties, which are both scientifically interesting and potentially useful. Here we present atomically thin rhenium disulfide (ReS2) flakes with unique distorted 1T structure, which exhibit in-plane anisotropic properties. We fabricated monolayer and few-layer ReS2 field-effect transistors, which exhibit competitive performance with large current on/off ratios (‚ąľ107) and low subthreshold swings (100‚ÄČmV per decade). The observed anisotropic ratio along two principle axes reaches 3.1, which is the highest among all known two-dimensional semiconducting materials. Furthermore, we successfully demonstrated an integrated digital inverter with good performance by utilizing two ReS2 anisotropic field-effect transistors, suggesting the promising implementation of large-scale two-dimensional logic circuits. Our results underscore the unique properties of two-dimensional semiconducting materials with low crystal symmetry for future electronic applications. PMID:25947630

  3. Costs and risks of the import of RES statistics by the Dutch government

    Energy Technology Data Exchange (ETDEWEB)

    Klessmann, C.; De Jager, D.; Gephart, M.; Winkel, T.

    2012-11-15

    This paper presents a first estimate of the costs and risks of a potential import of renewable energy statistics by the Dutch Government in order to meet the binding renewable energy (RE) target of 14% by 2020. Recently, the new government has announced that it will increase the ambition from 14% to 16%. Progress so-far has been slow however and meeting these targets requires near to maximum realisable deployment rates of all relevant technologies. It points at the necessity to increase national policy measures (spatial, political, financial, etc.) for all renewable energy technologies or alternatively, to apply the cooperation mechanisms and/or import RES statistics from other countries. It is generally assumed that imported RE statistics, through the cooperation mechanisms of the European RES Directive, will have lower costs than supporting the potentially more expensive domestic technologies that would be needed to meet the targets fully by domestic production. This paper shows that this assumption is questionable, and that the risks of pursuing an import-strategy may be significant. The analysis shows that the use of statistical transfers, which in principle may be a viable option for realising part of the Dutch RE target, is linked to high uncertainties. Important aspects contributing to these uncertainties are: The effectiveness and efficiency of policies in the European Member States to meet domestic RE targets by and up to 2020, and hence the related surplus/shortfall of RE production and resulting market prices for statistical transfers; The price setting mechanisms that will be established between Member States, including the anticipated cost of infringement in case of non-fulfilment of the 2020 targets. Imports will likely be charged against the market prices for (statistical) transfers, not against the cost prices of RE technologies. The price of statistical transfers can be expected to be higher in the case of a clear 'buyer market' in which

  4. Ready for a world without antibiotics? The Pensières Antibiotic Resistance Call to Action

    Directory of Open Access Journals (Sweden)

    Carlet Jean

    2012-02-01

    Full Text Available Abstract Resistance to antibiotics has increased dramatically over the past few years and has now reached a level that places future patients in real danger. Microorganisms such as Escherichia coli and Klebsiella pneumoniae, which are commensals and pathogens for humans and animals, have become increasingly resistant to third-generation cephalosporins. Moreover, in certain countries, they are also resistant to carbapenems and therefore susceptible only to tigecycline and colistin. Resistance is primarily attributed to the production of beta-lactamase genes located on mobile genetic elements, which facilitate their transfer between different species. In some rare cases, Gram-negative rods are resistant to virtually all known antibiotics. The causes are numerous, but the role of the overuse of antibiotics in both humans and animals is essential, as well as the transmission of these bacteria in both the hospital and the community, notably via the food chain, contaminated hands, and between animals and humans. In addition, there are very few new antibiotics in the pipeline, particularly for Gram-negative bacilli. The situation is slightly better for Gram-positive cocci as some potent and novel antibiotics have been made available in recent years. A strong and coordinated international programme is urgently needed. To meet this challenge, 70 internationally recognized experts met for a two-day meeting in June 2011 in Annecy (France and endorsed a global call to action ("The Pensières Antibiotic Resistance Call to Action". Bundles of measures that must be implemented simultaneously and worldwide are presented in this document. In particular, antibiotics, which represent a treasure for humanity, must be protected and considered as a special class of drugs.

  5. Clinical and Molecular Phenotype of Aicardi-Goutières Syndrome

    Science.gov (United States)

    Rice, Gillian¬†; Patrick, Teresa¬†; Parmar, Rekha¬†; Taylor, Claire¬†F.¬†; Aeby, Alec¬†; Aicardi, Jean¬†; Artuch, Rafael¬†; Montalto, Simon¬†Attard¬†; Bacino, Carlos¬†A.¬†; Barroso, Bruno¬†; Baxter, Peter¬†; Benko, Willam¬†S.¬†; Bergmann, Carsten¬†; Bertini, Enrico¬†; Biancheri, Roberta¬†; Blair, Edward¬†M.¬†; Blau, Nenad¬†; Bonthron, David¬†T.¬†; Briggs, Tracy¬†; Brueton, Louise¬†A.¬†; Brunner, Han¬†G.¬†; Burke, Christopher¬†J.¬†; Carr, Ian¬†M.¬†; Carvalho, Daniel¬†R.¬†; Chandler, Kate¬†E.¬†; Christen, Hans-J√ľrgen¬†; Corry, Peter¬†C.¬†; Cowan, Frances¬†M.¬†; Cox, Helen¬†; D‚ÄôArrigo, Stefano¬†; Dean, John¬†; De¬†Laet, Corinne¬†; De¬†Praeter, Claudine¬†; D√©ry, Catherine¬†; Ferrie, Colin¬†D.¬†; Flintoff, Kim¬†; Frints, Suzanna¬†G.¬†M.¬†; Garcia-Cazorla, Angels¬†; Gener, Blanca¬†; Goizet, Cyril¬†; Gouti√®res, Fran√ßoise¬†; Green, Andrew¬†J.¬†; Gu√ęt, Agn√®s¬†; Hamel, Ben¬†C.¬†J.¬†; Hayward, Bruce¬†E.¬†; Heiberg, Arvid¬†; Hennekam, Raoul¬†C.¬†; Husson, Marie¬†; Jackson, Andrew¬†P.¬†; Jayatunga, Rasieka¬†; Jiang, Yong-Hui¬†; Kant, Sarina¬†G.¬†; Kao, Amy¬†; King, Mary¬†D.¬†; Kingston, Helen¬†M.¬†; Klepper, Joerg¬†; van¬†der¬†Knaap, Marjo¬†S.¬†; Kornberg, Andrew¬†J.¬†; Kotzot, Dieter¬†; Kratzer, Wilfried¬†; Lacombe, Didier¬†; Lagae, Lieven¬†; Landrieu, Pierre¬†Georges¬†; Lanzi, Giovanni¬†; Leitch, Andrea¬†; Lim, Ming¬†J.¬†; Livingston, John¬†H.¬†; Lourenco, Charles¬†M.¬†; Lyall, E.¬†G.¬†Hermione¬†; Lynch, Sally¬†A.¬†; Lyons, Michael¬†J.¬†; Marom, Daphna¬†; McClure, John¬†P.¬†; McWilliam, Robert¬†; Melancon, Serge¬†B.¬†; Mewasingh, Leena¬†D.¬†; Moutard, Marie-Laure¬†; Nischal, Ken¬†K.¬†; √ėstergaard, John¬†R.¬†; Prendiville, Julie¬†; Rasmussen, Magnhild¬†; Rogers, R.¬†Curtis¬†; Roland, Dominique¬†; Rosser, Elisabeth¬†M.¬†; Rostasy, Kevin¬†; Roubertie, Agathe¬†; Sanchis, Amparo¬†; Schiffmann, Raphael¬†; Scholl-B√ľrgi, Sabine¬†; Seal, Sunita¬†; Shalev, Stavit¬†A.¬†; Corcoles, C.¬†Sierra¬†; Sinha, Gyan¬†P.¬†; Soler, Doriette¬†; Spiegel, Ronen¬†; Stephenson, John¬†B.¬†P.¬†; Tacke, Uta¬†; Tan, Tiong¬†Yang¬†; Till, Marianne¬†; Tolmie, John¬†L.¬†; Tomlin, Pam¬†; Vagnarelli, Federica¬†; Valente, Enza¬†Maria¬†; Van¬†Coster, Rudy¬†N.¬†A.¬†; Van¬†der¬†Aa, Nathalie¬†; Vanderver, Adeline¬†; Vles, Johannes¬†S.¬†H.¬†; Voit, Thomas¬†; Wassmer, Evangeline¬†; Weschke, Bernhard¬†; Whiteford, Margo¬†L.¬†; Willemsen, Michel¬†A.¬†A.¬†; Zankl, Andreas¬†; Zuberi, Sameer¬†M.¬†; Orcesi, Simona¬†; Fazzi, Elisa¬†; Lebon, Pierre¬†; Crow, Yanick¬†J.¬†

    2007-01-01

    Aicardi-Gouti√®res syndrome (AGS) is a genetic encephalopathy whose clinical features mimic those of acquired in utero viral infection. AGS exhibits locus heterogeneity, with mutations identified in genes encoding the 3‚Ä≤‚Üí5‚Ä≤ exonuclease TREX1 and the three subunits of the RNASEH2 endonuclease complex. To define the molecular spectrum of AGS, we performed mutation screening in patients, from 127 pedigrees, with a clinical diagnosis of the disease. Biallelic mutations in TREX1, RNASEH2A, RNASEH2B, and RNASEH2C were observed in 31, 3, 47, and 18 families, respectively. In five families, we identified an RNASEH2A or RNASEH2B mutation on one allele only. In one child, the disease occurred because of a de novo heterozygous TREX1 mutation. In 22 families, no mutations were found. Null mutations were common in TREX1, although a specific missense mutation was observed frequently in patients from northern Europe. Almost all mutations in RNASEH2A, RNASEH2B, and RNASEH2C were missense. We identified an RNASEH2C founder mutation in 13 Pakistani families. We also collected clinical data from 123 mutation-positive patients. Two clinical presentations could be delineated: an early-onset neonatal form, highly reminiscent of congenital infection seen particularly with TREX1 mutations, and a later-onset presentation, sometimes occurring after several months of normal development and occasionally associated with remarkably preserved neurological function, most frequently due to RNASEH2B mutations. Mortality was correlated with genotype; 34.3% of patients with TREX1, RNASEH2A, and RNASEH2C mutations versus 8.0% RNASEH2B mutation‚Äďpositive patients were known to have died (P=.001). Our analysis defines the phenotypic spectrum of AGS and suggests a coherent mutation-screening strategy in this heterogeneous disorder. Additionally, our data indicate that at least one further AGS-causing gene remains to be identified. PMID:17846997

  6. Les manières de salle de garde, un patrimoine menacé

    Directory of Open Access Journals (Sweden)

    Docteur Emmanuelle Godeau

    2011-12-01

    Full Text Available La recherche sur laquelle repose cet article analyse la place des coutumes des marges de l‚Äôapprentissage universitaire dans la construction du personnage du m√©decin sp√©cialiste fran√ßais, dans lequel l‚Äôinternat et les mani√®res √† y apprendre sont centrales. Environ cent entretiens ethnographiques avec des sp√©cialistes d‚Äô√Ęges et d‚Äôexercices vari√©s ont √©t√© men√©s. L‚Äôinternat concerne les futurs sp√©cialistes, re√ßus au concours de l‚Äôinternat qui donne acc√®s, apr√®s 6 ann√©es d‚Äô√©tude communes √† tous les m√©decins, √† une formation propre de 4-6 ann√©es suppl√©mentaires, pendant laquelle ils apprennent non seulement leur profession aupr√®s de malades et de patrons, mais aussi les mani√®res constitutives du personnage du sp√©cialiste, en fr√©quentant internes et internats. Chaque midi √† table, les internes acqui√®rent ces mani√®res de salle de garde. √Ä travers l‚Äôapprentissage de r√®gles contraignantes et souvent paradoxales, de savoir-dire et de savoir-faire, autrement dit de savoir-√™tre propres au groupe, ils vont acqu√©rir une comp√©tence sp√©cifique¬†: nouveau calendrier, nouvelle langue, nouveau code comportemental, nouvelle hi√©rarchie, nouveaux devoirs‚Ķ dont le non-respect est sanctionn√© par des gages codifi√©s. La mise en place de rituels collectifs fondant la communaut√©, l‚Äôapplication de codes pr√©cis, la valorisation de mod√®les identificatoires permettent √† chacun de prendre place, de s‚Äôimpliquer selon une organisation concentrique, de donner sens aux exp√©riences en cours en les int√©grant dans une logique initiatique. Cet apprentissage se singularise par le fait qu‚Äôil coexiste avec celui d‚Äôun langage m√©dical parfois complexe, d‚Äôattitudes professionnelles codifi√©es, d‚Äôun sens de la hi√©rarchie aiguis√©, d‚Äôun code de d√©ontologie rigoureux‚Ķ autant de caract√©ristiques propres au monde hospitalo-universitaire.This paper is based on a research on the importance of customs learned in the

  7. Biomassa, atividade microbiana e fungos micorrízicos em solo de "landfarming" de resíduos petroquímicos Biomass, microbial activity and mycorrhizal fungi in landfarming soil of petrochemical wastes

    Directory of Open Access Journals (Sweden)

    Alessandra M. de Paula

    2006-06-01

    Full Text Available Avaliaram-se, no presente trabalho, a biomassa microbiana, atividade heterotr√≥fica e a ocorr√™ncia de fungos micorr√≠zicos arbusculares (FMAs de um solo de √°rea de "landfarming" de res√≠duo petroqu√≠mico durante 15 anos. Realizaram-se an√°lises laboratoriais e ensaios em casa de vegeta√ß√£o para avaliar as condi√ß√Ķes biol√≥gicas do solo e o efeito da inocula√ß√£o com FMAs (Glomus clarum e Paraglomus occultum no crescimento de seis esp√©cies vegetais com potencial para estabelecimento nesses solos. A biomassa microbiana e os indicadores de atividade bioqu√≠mica (respira√ß√£o basal, respira√ß√£o induzida por substrato e qCO2 apresentaram-se em valores t√≠picos de solos n√£o contaminados, exceto para o qCO2, que foram bem elevados. Esses resultados indicam a presen√ßa de comunidades microbianas ativas mas se verificou baixa atividade das enzimas b-glicosidase, fosfatase √°cida e urease, indicando interfer√™ncias nos processos bioqu√≠micos do solo o que poder√° comprometer sua capacidade de transformar os res√≠duos. Verificou-se tamb√©m a ocorr√™ncia abundante de FMAs em plantas espont√Ęneas ou introduzidas. Foi not√≥ria a resposta positiva da inocula√ß√£o com FMAs sobre o crescimento da alfafa, braqui√°ria e sorgo, por√©m sem influ√™ncia no crescimento do capim-elefante. Esses resultados apontam a exist√™ncia de popula√ß√Ķes microbianas tolerantes aos componentes t√≥xicos dos res√≠duos petroqu√≠micos aplicados continuamente ao solo estudado.In the present study the microbial biomass, heterotrophic activity and the occurrence of arbuscular mycorrhizal fungi (AMF were evaluated in soil samples from a landfarming area that has been used for petrochemical waste treatment for the last fifteen years. Laboratory analysis and greenhouse assays were conducted in order to evaluate soil biological conditions and the effects of inoculation with AMF (Glomus clarum and Paraglomus occultum on growth of six plant species with potential to establish in soil

  8. Hematologic and plasma biochemical values of hyacinth macaws (Anodorhynchus hyacinthinus).

    Science.gov (United States)

    Kolesnikovas, Cristiane K M; Niemeyer, Claudia; Teixeira, Rodrigo H F; Nunes, Adauto L V; Rameh-de-Albuquerque, Luciana C; Sant'Anna, Sávio S; Catão-Dias, José L

    2012-09-01

    The hyacinth macaw (Anodorhyncus hyacinthinus), considered the largest psittacine bird species in the world, is an endangered species, with a remaining population of approximately 6500 birds in the wild. To establish hematologic and plasma biochemical reference ranges and to verify differences related to sex, samples from 29 hyacinth macaws (14 males, 15 females) were obtained from birds apprehended from illegal wildlife trade and subsequently housed at the Sorocaba Zoo, Brazil. No significant differences in hematologic or plasma biochemical values were found between females and males. Compared with published reference values, differences were found in mean concentrations of total red blood cell count, corpuscular volume, corpuscular hemoglobin level, total white blood cell count, aspartate aminotransferase level, creatine kinase concentration, alkaline phosphatase concentration, and phosphorus level. Baseline hematologic and plasma biochemical ranges were established, which may be useful as reference values for clinicians working with this endangered species in captivity or rehabilitation centers.

  9. Measurement of biochemical oxygen demand of the leachates.

    Science.gov (United States)

    Fulazzaky, Mohamad Ali

    2013-06-01

    Biochemical oxygen demand (BOD) of the leachates originally from the different types of landfill sites was studied based on the data measured using the two manometric methods. The measurements of BOD using the dilution method were carried out to assess the typical physicochemical and biological characteristics of the leachates together with some other parameters. The linear regression analysis was used to predict rate constants for biochemical reactions and ultimate BOD values of the different leachates. The rate of a biochemical reaction implicated in microbial biodegradation of pollutants depends on the leachate characteristics, mass of contaminant in the leachate, and nature of the leachate. Character of leachate samples for BOD analysis of using the different methods may differ significantly during the experimental period, resulting in different BOD values. This work intends to verify effect of the different dilutions for the manometric method tests on the BOD concentrations of the leachate samples to contribute to the assessment of reaction rate and microbial consumption of oxygen.

  10. Optical fibre gratings as tools for chemical and biochemical sensing.

    Science.gov (United States)

    Baldini, F; Brenci, M; Chiavaioli, F; Giannetti, A; Trono, C

    2012-01-01

    Optical fibre gratings have recently been suggested as optical platforms for chemical and biochemical sensing. On the basis of the measurement of refractive index changes induced by a chemical and biochemical interaction in the transmission spectrum along the fibres, they are proposed as a possible alternative to the other label-free optical approaches, such as surface plasmon resonance and optical resonators. The combination of the use of optical fibres with the fact that the signal modulation is spectrally encoded offers multiplexing and remote measurement capabilities which the other technology platforms are not able to or can hardly offer. The fundamentals of the different types of optical fibre gratings are described and the performances of the chemical and biochemical sensors based on this approach are reviewed. Advantages and limitations of optical fibre gratings are considered, with a look at new perspectives for their utilization in the field.

  11. Hidrocarbonetos policíclicos aromáticos em resíduos sólidos industriais: uma avaliação preliminar do risco potencial de contaminação ambiental e humana em áreas de disposição de resíduos

    OpenAIRE

    Sisinno Cristina L. S.; Pereira Netto Annibal D.; Rego Eliane Cristina P. do; Lima Guilherme dos Santos V.

    2003-01-01

    A disposição adequada dos resíduos sólidos é importante para evitar que os mesmos se transformem em fonte de contaminação ambiental e humana. A NBR 10.004 - Classificação de Resíduos - lista vários hidrocarbonetos policíclicos aromáticos (HPAs) e indica que, a presença de pelo menos um deles na massa bruta do resíduo é suficiente para classificá-lo como resíduo perigoso. O objetivo deste estudo foi verificar a presença de HPAs em amostras de resíduos sólidos provenientes de alguns segmentos i...

  12. ResDE Two-Component Regulatory System Mediates Oxygen Limitation-Induced Biofilm Formation by Bacillus amyloliquefaciens SQR9.

    Science.gov (United States)

    Zhou, Xuan; Zhang, Nan; Xia, Liming; Li, Qing; Shao, Jiahui; Shen, Qirong; Zhang, Ruifu

    2018-04-15

    Efficient biofilm formation and root colonization capabilities facilitate the ability of beneficial plant rhizobacteria to promote plant growth and antagonize soilborne pathogens. Biofilm formation by plant-beneficial Bacillus strains is triggered by environmental cues, including oxygen deficiency, but the pathways that sense these environmental signals and regulate biofilm formation have not been thoroughly elucidated. In this study, we showed that the ResDE two-component regulatory system in the plant growth-promoting rhizobacterium Bacillus amyloliquefaciens strain SQR9 senses the oxygen deficiency signal and regulates biofilm formation. ResE is activated by sensing the oxygen limitation-induced reduction of the NAD + /NADH pool through its PAS domain, stimulating its kinase activity, and resulting in the transfer of a phosphoryl group to ResD. The phosphorylated ResD directly binds to the promoter regions of the qoxABCD and ctaCDEF operons to improve the biosynthesis of terminal oxidases, which can interact with KinB to activate biofilm formation. These results not only revealed the novel regulatory function of the ResDE two-component system but also contributed to the understanding of the complicated regulatory network governing Bacillus biofilm formation. This research may help to enhance the root colonization and the plant-beneficial efficiency of SQR9 and other Bacillus rhizobacteria used in agriculture. IMPORTANCE Bacillus spp. are widely used as bioinoculants for plant growth promotion and disease suppression. The exertion of their plant-beneficial functions is largely dependent on their root colonization, which is closely related to their biofilm formation capabilities. On the other hand, Bacillus is the model bacterium for biofilm study, and the process and molecular network of biofilm formation are well characterized (B. Mielich-S√ľss and D. Lopez, Environ Microbiol 17:555-565, 2015, https://doi.org/10.1111/1462-2920.12527; L. S. Cairns, L. Hobley, and

  13. Potencial de utilização do resíduo "Carepa de Aço" na fabricação de blocos de concreto

    OpenAIRE

    Almeida, Elisandro De

    2009-01-01

    Este trabalho teve como objetivo estudar a viabilidade para a fabrica√ß√£o de blocos de concreto com fun√ß√£o estrutural, com adi√ß√£o do res√≠duo ‚Äúcarepa de a√ßo‚ÄĚ, em substitui√ß√£o parcial dos agregados presentes em sua composi√ß√£o. Esse res√≠duo √© proveniente de ind√ļstrias sider√ļrgicas, que muitas vezes se torna um inconveniente para as mesmas, por n√£o possuir uma estocagem adequada, bem como uma destina√ß√£o correta para esse tipo de res√≠duo. O res√≠duo utilizado foi obtido junto √† empresa Gerdau S/A de...

  14. Acumula√ß√£o de res√≠duos t√≥xicos e perigosos e o seu impacto para a sa√ļde

    OpenAIRE

    Teixeira, Helena Margarida Leite Pacheco Sampaio Cabral Medeiros

    2012-01-01

    Disserta√ß√£o de Mestrado em Ambiente, Sa√ļde e Seguran√ßa. A gera√ß√£o de res√≠duos tem vindo a aumentar, significativamente, tanto em quantidade como em diversidade nas √ļltimas d√©cadas em todo o mundo. N√£o s√≥ resultante da explos√£o demogr√°fica, do crescimento econ√≥mico e do aumento do poder de compra das fam√≠lias como, tamb√©m, na produ√ß√£o de res√≠duos perigosos. Tendo em conta a classifica√ß√£o dos res√≠duos, estes foram seleccionados de acordo com a sua origem em res√≠duos de produ√ß√£o ou de consumo...

  15. Res Publica sihi p√§√§su linna v√Ķimut√ľ√ľri juurde / Taavi Veskim√§gi ; interv. Mehis Tulk

    Index Scriptorium Estoniae

    Veskimägi, Taavi, 1974-

    2005-01-01

    Res Publica esimehe Taavi Veskim√§gi s√Ķnul on erakond eelolevatel kohalikel valimistel seadnud eesm√§rgiks v√§lja tulla oma nimekirjaga pooltes Saare maakonna omavalitsustes. Lisa: Praegune Kuressaare linnavolikogu

  16. Ken-Marti Vaher : Paremj√Ķudude √ľhinemine on Res Publica esmane √ľlesanne / Ken-Marti Vaher ; interv. Tanel Mazur

    Index Scriptorium Estoniae

    Vaher, Ken-Marti, 1974-

    2004-01-01

    Ilmunud ka: Narvskaja Gazeta, 6. nov. 2004, lk. 2. Ida-Virumaad k√ľlastanud justiitsminister Ken-Marti Vaher Rakveres ja Narvas arutatust, praeguse v√Ķimupartei Res Publica seisukohtadest, tulevikuplaanidest

  17. A dynamic P53-MDM2 model with time delay

    Energy Technology Data Exchange (ETDEWEB)

    Mihalas, Gh.I. [Department of Biophysics and Medical Informatics, University of Medicine and Pharmacy, Piata Eftimie Murgu, nr. 3, 300041 Timisoara (Romania)]. E-mail: mihalas@medinfo.umft.ro; Neamtu, M. [Department of Forecasting, Economic Analysis, Mathematics and Statistics, West University of Timisoara, Str. Pestalozzi, nr. 14A, 300115 Timisoara (Romania)]. E-mail: mihaela.neamtu@fse.uvt.ro; Opris, D. [Department of Applied Mathematics, West University of Timisoara, Bd. V. Parvan, nr. 4, 300223 Timisoara (Romania)]. E-mail: opris@math.uvt.ro; Horhat, R.F. [Department of Biophysics and Medical Informatics, University of Medicine and Pharmacy, Piata Eftimie Murgu, nr. 3, 300041 Timisoara (Romania)]. E-mail: rhorhat@yahoo.com

    2006-11-15

    Specific activator and repressor transcription factors which bind to specific regulator DNA sequences, play an important role in gene activity control. Interactions between genes coding such transcription factors should explain the different stable or sometimes oscillatory gene activities characteristic for different tissues. Starting with the model P53-MDM2 described into [Mihalas GI, Simon Z, Balea G, Popa E. Possible oscillatory behaviour in P53-MDM2 interaction computer simulation. J Biol Syst 2000;8(1):21-9] and the process described into [Kohn KW, Pommier Y. Molecular interaction map of P53 and MDM2 logic elements, which control the off-on switch of P53 in response to DNA damage. Biochem Biophys Res Commun 2005;331:816-27] we enveloped a new model of this interaction. Choosing the delay as a bifurcation parameter we study the direction and stability of the bifurcating periodic solutions. Some numerical examples are finally given for justifying the theoretical results.

  18. A DNA sequence obtained by replacement of the dopamine RNA aptamer bases is not an aptamer

    DEFF Research Database (Denmark)

    √Ālvarez-Martos, Isabel; Ferapontova, Elena

    2017-01-01

    A unique specificity of the aptamer-ligand biorecognition and binding facilitates bioanalysis and biosensor development, contributing to discrimination of structurally related molecules, such as dopamine and other catecholamine neurotransmitters. The aptamer sequence capable of specific binding...... of dopamine is a 57 nucleotides long RNA sequence reported in 1997 (Biochemistry, 1997, 36, 9726). Later, it was suggested that the DNA homologue of the RNA aptamer retains the specificity of dopamine binding (Biochem. Biophys. Res. Commun., 2009, 388, 732). Here, we show that the DNA sequence obtained...... by the replacement of the RNA aptamer bases for their DNA analogues is not able of specific biorecognition of dopamine, in contrast to the original RNA aptamer sequence. This DNA sequence binds dopamine and structurally related catecholamine neurotransmitters non-specifically, as any DNA sequence, and, thus...

  19. In Pseudomonas aeruginosa ethidium bromide does not induce its own degradation or the assembly of pumps involved in its efflux.

    Science.gov (United States)

    Babayan, Anahit; Nikaido, Hiroshi

    2004-11-19

    Xu et al. [Biochem. Biophys. Res. Commun. 305 (2003) 941] reported that, when a mutant strain of Pseudomonas aeruginosa lacking its major multidrug efflux pump complex, MexAB-OprM, was incubated with 100 microM ethidium bromide, the fluorescence, caused by its binding to DNA following its entry into cells, decreased gradually. The authors concluded that the intracellular ethidium bromide "induced" either its degradation or its efflux through the assembly of unknown efflux pumps. We found, through quantitation of ethidium bromide by absorption spectroscopy, that the total amount of ethidium bromide in the system remained constant under these conditions, indicating the absence of its degradation. Furthermore, intracellular ethidium bromide kept increasing during the experiment, showing that the decrease of fluorescence was due to self-quenching, and that ethidium bromide is not pumped out by a newly assembled efflux system.

  20. Biochemical markers of cartilage metabolism are associated with walking biomechanics 6-months following anterior cruciate ligament reconstruction.

    Science.gov (United States)

    Pietrosimone, Brian; Loeser, Richard F; Blackburn, J Troy; Padua, Darin A; Harkey, Matthew S; Stanley, Laura E; Luc-Harkey, Brittney A; Ulici, Veronica; Marshall, Stephen W; Jordan, Joanne M; Spang, Jeffery T

    2017-10-01

    The purpose of our study was to determine the association between biomechanical outcomes of walking gait (peak vertical ground reaction force [vGRF], vGRF loading rate [vGRF-LR], and knee adduction moment [KAM]) 6 months following anterior cruciate ligament reconstruction (ACLR) and biochemical markers of serum type-II collagen turnover (collagen type-II cleavage product to collagen type-II C-propeptide [C2C:CPII]), plasma degenerative enzymes (matrix metalloproteinase-3 [MMP-3]), and a pro-inflammatory cytokine (interleukin-6 [IL-6]). Biochemical markers were evaluated within the first 2 weeks (6.5‚ÄȬĪ‚ÄČ3.8 days) following ACL injury and again 6 months following ACLR in eighteen participants. All peak biomechanical outcomes were extracted from the first 50% of the stance phase of walking gait during a 6-month follow-up exam. Limb symmetry indices (LSI) were used to normalize the biomechanical outcomes in the ACLR limb to that of the contralateral limb (ACLR/contralateral). Bivariate correlations were used to assess associations between biomechanical and biochemical outcomes. Greater plasma MMP-3 concentrations after ACL injury and at the 6-month follow-up exam were associated with lesser KAM LSI. Lesser KAM was associated with greater plasma IL-6 at the 6-month follow-up exam. Similarly, lesser vGRF-LR LSI was associated with greater plasma MMP-3 concentrations at the 6-month follow-up exam. Lesser peak vGRF LSI was associated with higher C2C:CPII after ACL injury, yet this association was not significant after accounting for walking speed. Therefore, lesser biomechanical loading in the ACLR limb, compared to the contralateral limb, 6 months following ACLR may be related to deleterious joint tissue metabolism that could influence future cartilage breakdown. ¬© 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:2288-2297, 2017. ¬© 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc.

  1. Urine collection from disposable diapers in premature infants: biochemical analysis.

    Science.gov (United States)

    Muratore, C; Dhanireddy, R

    1993-05-01

    Urine collection for analysis is commonly done in premature infants in sterile adhesive bags. Leakage due to poor adherence of the bag and irritation of the skin are frequent drawbacks with this technique. Urine retrieved from the fiber padding of disposable diapers has been shown to be reliable for biochemical analysis. However, the previous studies were done under laboratory conditions and the volume of urine used was much larger than a premature infant may void at one time. The purpose of this study was to determine the reliability of urine collected from disposable diapers for biochemical analysis in premature infants in the intensive care nursery.

  2. Human milk as a carrier of biochemical messages.

    Science.gov (United States)

    Bernt, K M; Walker, W A

    1999-08-01

    Not only does breast milk provides an ideal nutrient composition for the newborn, but it also contains a variety of substances that may actively influence growth and development of the infant and stimulate neonatal protection against gastrointestinal diseases. Hormones, growth factors, cytokines and even whole cells are present in breast milk and act to establish biochemical and immunological communication between mother and child. In addition, milk nutrients such as nucleotides, glutamine and lactoferrin have been shown to influence gastrointestinal development and host defense. The unique properties of milk as a mediator of biochemical messages will be presented and the clinical significance of breastfeeding in the prevention of neonatal gastrointestinal diseases will be discussed.

  3. Diagnosis Of Inherited Neurometabolic Disorders : A Biochemical Approach

    Directory of Open Access Journals (Sweden)

    Christopher R

    1999-01-01

    Full Text Available The past two decades have witnessed a rapid increase in the knowledge of the inherited neurometabolic disorders. The precise diagnosis of these disorders which is a challenge to the physician can be best accomplished by biochemical methods. Screening of clinically selected patients with simple chemical urine tests and routine blood chemistry investigations followed by measurement of specific metabolites and assay of the relevant enzymes confirms the diagnosis in most cases. Biochemical diagnosis of inherited neurometabolic disorders although expensive is rapid and confirmatory and therefore aids in treatment and further prevention of these rare disorders.

  4. Moorella Strains for the Production of Biochemicals from Syngas

    DEFF Research Database (Denmark)

    Redl, Stephanie; Jensen, Torbj√łrn √ėlsh√łj; Nielsen, Alex Toftgaard

    In the process of sugar fermentation, a significant portion of lignocellulosic biomass is left unused. An alternative is the gasification into syngas, a carbon-rich gas mixture. Syngas serves as energy and carbon source for acetogenic bacteria, which can then produce biochemicals. In the syngas...... value biochemicals (acetone) from syngas using Moorella strains as cell factories. Moorella has outstanding abilities that make it especially suitable for the syngas fermentation process (thermophily, carbon source utilization). Firstly, the project focuses on understanding the primary metabolism...

  5. Teneurs azotée et minérale des espèces fourragères dominantes et ...

    African Journals Online (AJOL)

    SARAH

    31 mars 2016 ... sous abri, bien aérés, sans contact direct avec le soleil. Ils doivent être compacts et durs. RESULTATS. Teneur en Matières Azotées : Les résultats des analyses de la teneur en matières azotées des espèces. Bulbostylis laniceps,. Hyparrhenia wombaliensisi, Trachypogon spicatus et Ctenium newtonii.

  6. Production et retombées minérales des litières chez quatre espèces ...

    African Journals Online (AJOL)

    SARAH

    30 d√©c. 2013 ... R√ČSUM√Č. Objectifs : Ce travail √©tudie les aptitudes des arbres fixateurs d'azote √† restaurer la fertilit√© des sols dans les pratiques agroforesti√®res d'am√©lioration des jach√®res. De fa√ßon sp√©cifique, la pr√©sente √©tude vise √† quantifier les productions de biomasse foliaire afin d'√©valuer la restitution des¬†...

  7. Germinação carpogênica de Sclerotinia sclerotiorum sob diferentes resíduos e extratos de plantas cultivadas

    Directory of Open Access Journals (Sweden)

    Francimar Perez Matheus da Silva

    2011-09-01

    Full Text Available Os efeitos de res√≠duos de plantas cultivadas e seus extratos sobre Sclerotinia sclerotiorum s√£o poucos conhecidos. Tr√™s experimentos foram conduzidos, com res√≠duos de plantas cultivadas e seus extratos etan√≥licos e suas parti√ß√Ķes. Res√≠duos e extratos de culturas de aveia, ervilhaca, feij√£o, milheto, milho e trigo foram avaliados em condi√ß√Ķes controladas. Escler√≥dios cobertos com res√≠duos de aveia, ervilhaca, feij√£o e milheto n√£o germinaram carpogenicamente. Extratos etan√≥licos de res√≠duos de aveia e ervilhaca mostraram-se eficientes na inibi√ß√£o da germina√ß√£o carpog√™nica, enquanto que do milheto e do trigo n√£o diferiram da testemunha. Todas as parti√ß√Ķes de extratos etan√≥licos avaliadas reduziram a germina√ß√£o carpog√™nica. Res√≠duos vegetais afetaram negativamente o n√ļmero de apot√©cios emitidos por escler√≥dio.

  8. Application of the RES methodology for identifying features, events and processes (FEPs) for near-field analysis of copper-steel canister

    International Nuclear Information System (INIS)

    Vieno, T.; Hautojaervi, A.; Raiko, H.; Ahonen, L.; Salo, J.P.

    1994-12-01

    Rock Engineering Systems (RES) is an approach to discover the important characteristics and interactions of a complex problem. Recently RES has been applied to identify features, events and processes (FEPs) for performance analysis of nuclear waste repositories. The RES methodology was applied to identify FEPs for the near-field analysis of the copper-steel canister for spent fuel disposal. The aims of the exercise were to learn and test the RES methodology and, secondly, to find out how much the results differ when RES is applied by two different groups on the same problem. A similar exercise was previously carried out by a SKB group. A total of 90 potentially significant FEPs were identified. The exercise showed that the RES methodology is a practicable tool to get a comprehensive and transparent picture of a complex problem. The approach is easy to learn and use. It reveals the important characteristics and interactions and organizes them in a format easy to understand. (9 refs., 5 figs., 3 tabs.)

  9. El aprendizaje basado en problemas: De herejía artificial a res popularis

    Directory of Open Access Journals (Sweden)

    L.A. Branda

    Full Text Available La extensa implementaci√≥n del aprendizaje basado en problemas (ABP en el proceso ense√Īanza-aprendizaje ha resultado en su transformaci√≥n de herej√≠a artificial a res popularis con la consecuente proliferaci√≥n de publicaciones, libros y congresos sobre el tema. A menudo, esta avalancha de informaci√≥n, ha creado una confusi√≥n en la comprensi√≥n de qu√© es el ABP como estrategia de aprendizaje. Este art√≠culo presenta al lector una definici√≥n de lo que se consider√≥ que era el ABP y su extensi√≥n, adem√°s de incluir la resoluci√≥n de problemas. Se indica la importancia de los objetivos de aprendizaje (resultados del aprendizaje y se presentan algunos pasos que se deben seguir en la preparaci√≥n de situaciones/escenarios/problemas/casos. De forma general, se describen la evaluaci√≥n de los estudiantes fundamentalmente formativa, basada en las observaciones hechas en las sesiones de tutor√≠a, y la evaluaci√≥n de car√°cter sumativo. La descripci√≥n de las etapas m√°s comunes en el ABP tiene el prop√≥sito de indicar lo que los estudiantes pueden hacer y no que deben hacer. Si se consideran las limitaciones de recursos que tienen la mayor√≠a de las instituciones que desean implementar el ABP, se describe la aplicaci√≥n de esta estrategia en grupos grandes. Se discute el rol del tutor facilitador y se indican las caracter√≠sticas de sus intervenciones en un continuo que va desde jer√°rquica a facilitadora de la autonom√≠a del estudiante en su aprendizaje. Este art√≠culo finaliza con una reflexi√≥n sobre el aprendizaje autodirigido y su relaci√≥n con el aprendizaje autorregulado.

  10. Notes sur la dimension immunitaire des enclaves pétrolières

    Directory of Open Access Journals (Sweden)

    Nicolas Donner

    2011-09-01

    Full Text Available Cet article se propose de r√©fl√©chir aux modes d‚Äôinstallation des enclaves p√©troli√®res en milieux difficiles¬†; il s‚Äôattache aux proc√©dures qui visent √† pr√©munir l‚Äôactivit√© extractive du potentiel de perturbation et/ou d‚Äôhostilit√© dont rec√®lent ces milieux. Dans un premier temps, et en se penchant sur le cas d‚Äôenclaves install√©es dans des milieux naturels hostiles √† la vie, on montre en quoi le mode d'organisation des espaces extractifs est un outil important de leur immunisation¬†: il rel√®ve d‚Äôune ¬ę¬†architecture du vide¬†¬Ľ (Sloterdijk qui, par la production d‚Äôun espace inclusif et autonome, permet d‚Äôaffranchir l‚Äôactivit√© des conditions et contingences des milieux o√Ļ elle se d√©ploie. Dans un second temps, on s‚Äôint√©resse aux enclaves d√©p√™ch√©es dans des milieux ¬ę¬†pleins¬†¬Ľ (peupl√©s et territorialis√©s, o√Ļ les proc√©dures d‚Äôimmunisation s‚Äôenrichissent de m√©canismes d√©fensifs (syst√®mes de cl√ītures et interventionnistes (pratiques de d√©veloppement durable. On discute enfin de l‚Äô√©mergence d‚Äôun paradigme √©thique qui s‚Äôenchev√™tre dans les strat√©gies visant √† garantir la permanence des activit√©s extractives.This paper considers the ways of establishing oil enclaves in difficult environments and it focuses on procedures that aim to safeguard the extractive activity from external disturbance and/or hostility. First, in addressing the case of enclaves located in extreme environments (hostile to life, we show that the organization of enclaves is an important tool of their immunization: by producing an inclusive and autonomous space, an "architecture of vacuum "(Sloterdijk allows to free the activity from the conditions and contingencies of the external environment. Secondly, we move to the case of enclaves established in environments that are inhabited and territorialized, where immunization procedures are enriched by defensive (fencing and intrusive mechanisms (sustainable practices

  11. The impact of rhetoric and education on the "Res Gestae" of Ammianus Marcellinus

    Science.gov (United States)

    Alvarez, Pablo

    The aim of this thesis is to explore and underline the impact of education and rhetoric on the Res Gestae of Ammianus Marcellinus. I will examine the concept of education in two different aspects. First, I will determine the role of education in regards to Ammianus' early life by describing the cultural climate in the East in the fourth century (Introduction and chapter 1). In this analysis, I will argue that the historian's familiarity with Latin suggests an early acquaintance with the language, indicating that he should not be invariably associated with earlier Greek historians. Second, I will look at how the content of the curriculum is reflected in the RG, explaining how literary sources shaped the composition of the historian's digressions on geography (Chapter 3) and astronomy (Chapter 4). In the past, scholars have examined Ammianus' cultural digressions as an example of the tension between things seen and things read. In my argumentation, I will concentrate on explaining the reasons why Ammianus often tended to rely on literary works rather than observation. I will show that the explanation greatly lies in the content of the curriculum. Concerning the role of rhetoric, I will examine how rhetorical training is articulated in the RG. In Chapter 2, I will show that Ammianus' selection of historical material can be explained in light of the ancient theory of styles. In this context, I will study the role of a rhetorical device designed to raise the emotions of readers by bringing the scene before their eyes: enargeia. In Chapters 3 and 4, I will demonstrate that the cultural digressions in the RG are mostly the product of cultural stereotypes and literary influences. In Chapter 5, I will show the impact of rhetorical treatises on some passages of the RG, arguing that the traditional classification of oratory into deliberative, epideictic and judicial is echoed in both the speeches and the historical narrative. To conclude: the main purpose of my dissertation

  12. Les premi√®res sauvegardes de mosa√Įques antiques en France

    Directory of Open Access Journals (Sweden)

    Capucine Lema√ģtre

    2012-04-01

    Full Text Available Au lendemain de la R√©volution, l‚Äôhistoire de la restauration des mosa√Įques √©merge en France avec la notion de patrimoine et le sentiment d‚Äôun h√©ritage commun √† tous les citoyens. De plus, il prend aussi sa source dans l‚Äôengouement suscit√© par les d√©couvertes arch√©ologiques italiennes. La diffusion des connaissances et des techniques s‚Äôeffectue ainsi par le biais d‚Äô√©changes et de publications que partagent les antiquaires et les milieux de l‚Äô√©rudition qui commencent √† s‚Äôint√©resser aux vestiges conserv√©s sur le territoire fran√ßais et tentent d‚Äôen assurer la sauvegarde. L'√©tude des travaux de deux √©rudits, Pierre Schneyder qui fut le premier directeur du mus√©e de Vienne (Is√®re et Fran√ßois Artaud qui r√©unit la premi√®re collection fran√ßaise de mosa√Įques antiques au Palais des Arts de Lyon, permet de mettre en avant le r√īle d‚Äô√©lites locales qui durent faire face √† de multiples contraintes techniques, √©conomiques et institutionnelles, mais qui furent aussi les initiateurs des premi√®res r√©flexions men√©es sur la restauration de ce patrimoine arch√©ologique.The restoration of mosaics begins in France with the notion of patrimony and the feeling of a common heritage to all citizens after the Revolution. But it also springs up in the fancy for italian archeological discoveries. The spreading of knowledge and techniques is carried out through oral exchanges and publications between antique dealers and erudition circles who are going to begin to be interested in vestiges on the french territory and try to ensure their safeguard. The study of two scholars'works, Pierre Schneyder who was the first manager of the Vienne museum in Isere and Fran√ßois Artaud who got together the first french collection of antique mosaics in the Palais des Arts in Lyon allows us to put forward the part of local elites who had to face numerous technical, economical and institutional restraints but who were, despite everything, the

  13. Developing HEAT Scores with H-Res Thermal Imagery to Support Urban Energy Efficiency

    Science.gov (United States)

    Hemachandran, Bharanidharan

    As part of The Calgary Community GHG Reduction Plan (2009) The City is seeking an implementation strategy to reduce GHGs and promote low-carbon living, with a focus on improving urban energy efficiency. The most cited obstacle to energy efficiency improvements is the lack of interest from consumers (CUI, 2008). However, Darby (2006) has shown that effective feedback significantly reduces energy consumption. To exploit these findings, the HEAT (Heat Energy Assessment Technologies) Geoweb project integrates high-resolution (H-Res) airborne thermal imagery (TABI 1800) to provide unique energy efficiency feedback to Calgary homeowners in the form of interactive HEAT Maps and Hot Spots (Hay et al., 2011). As a part of the HEAT Phase II program, the goal of this research is to provide enhanced feedback support for urban energy efficiency by meeting two key objectives: (i) develop an appropriate method to define HEAT Scores using TABI 1800 imagery that allows for the comparison of waste heat of one or more houses with all other mapped houses in the community and city, and (ii) develop a multi-scale interactive Geoweb interface that displays the HEAT Scores at City, Community and Residential scales. To achieve these goals, we describe the evolution of three novel HEAT Score techniques based on: (i) a Standardized Score, (ii) the WUFIRTM model and Logistic Regression and (iii ) a novel criteria weighted method that considers: (a) heat transfer through different roofing materials, (b) local climatic conditions and (c) house age and living area attributes. Furthermore, (d) removing or adding houses to analysis based on this 3rd technique, does not affect the HEAT Score of other houses and (e) HEAT Scores can be compared within and across different cities. We also describe how HEAT Scores are incorporated within the HEAT Geoweb architecture. It is envisioned that HEAT Scores will promote energy efficiency among homeowners and urban city planners, as they will quantify and

  14. Early Treatment of Shock and Injury

    Science.gov (United States)

    2013-10-01

    changes in arginine concentrations. This change appears to be caused by changes in the composition of the proteasome itself. As an example...Immunoproteasomes: TNF-őĪ and Nitric Oxide Production are Regulated by Altered Composition of Proteasome-Active Sites. Cell Biochem Biophys 60:77-88...plastids of tangerine tomato fruits. Arch. Biochem. Biophys. 162:117-125, 1974. 30 13. Qureshi AA, Andrews AG, Qureshi N, and Porter JW. (1974) The

  15. Impacto do manejo dos resíduos da colheita, do preparo do solo e da adubação na produtividade de eucalipto

    Directory of Open Access Journals (Sweden)

    Frederico Alfenas Silva Valente Paes

    2013-08-01

    Full Text Available Tem sido cada vez maior a preocupa√ß√£o das empresas do setor florestal em adotar pr√°ticas pautadas na conserva√ß√£o do solo e da √°gua. Nesse sentido, este trabalho teve por objetivo avaliar o impacto do manejo dos res√≠duos da colheita, do preparo do solo e do uso de res√≠duos industriais, na fertilidade do solo e produtividade de eucalipto. O experimento foi iniciado ap√≥s o corte raso de um plantio comercial de EUCALYPTUS GRANDIS, onde os res√≠duos da colheita foram manejados (retirada de todo o res√≠duo; remo√ß√£o da casca e dos galhos com di√Ęmetro superior a 3,0 cm; e manuten√ß√£o de todos os res√≠duos na superf√≠cie do solo. Em seguida, realizaram-se o preparo do solo (com subsolador de uma e tr√™s hastes, a aplica√ß√£o dos res√≠duos industriais (res√≠duo de celulose e cinzas na superf√≠cie do solo e o plantio de mudas de EUCALYPTUS GRANDIS X E. UROPHYLLA Foi utilizado o delineamento em blocos ao acaso, contendo oito tratamentos e quatro repeti√ß√Ķes. Os tratamentos consistiram da combina√ß√£o dos diferentes tipos de manejo dos res√≠duos da colheita, preparo do solo e aplica√ß√£o dos res√≠duos industriais. Cada parcela experimental foi composta por cinco linhas com 19 plantas cada. Aos 83 meses ap√≥s o plantio, foram medidos o DAP (di√Ęmetro √† altura do peito e a altura das √°rvores, para c√°lculo do volume de madeira. A fertiliza√ß√£o e a manuten√ß√£o dos res√≠duos da colheita florestal elevaram os teores de Ca2+ e Mg2+ troc√°veis no solo. A manuten√ß√£o total dos res√≠duos vegetais na √°rea ap√≥s a colheita resultou em aumento de 71,7 m¬≥ ha-1 de madeira, quando comparado √† remo√ß√£o de todos os res√≠duos. N√£o houve diferen√ßa entre os modos de preparo do solo com subsolador de uma e tr√™s hastes, quanto ao volume de madeira. Os maiores volumes de madeira foram obtidos dos tratamentos que receberam as maiores quantidades de res√≠duo de celulose e cinzas, ao mesmo tempo em que foi mantida parte do res√≠duo vegetal ap√≥s a colheita

  16. Organisation des approvisionnements et systèmes de paiement dans les filières agro-alimentaires. Analyse appliquée aux filières canne à sucre.

    OpenAIRE

    Lejars, Caroline

    2008-01-01

    Comme dans de nombreux autres secteurs industriels, la ma√ģtrise des relations inter-entreprises constituent un enjeu strat√©gique majeur pour les fili√®res agroalimentaires. Pour am√©liorer les modalit√©s de coordination inter-entreprises, deux types d'action sont classiquement envisag√©s : (i) une premi√®re voie consiste √† am√©liorer la coordination ¬ę technique ¬Ľ entre les diff√©rentes entreprises (c'est la voie d'intervention qui s'appuie sur les concepts et m√©thodes d√©velopp√©s en supply chain mana...

  17. Impairment in biochemical indices in sprayers exposed to commonly ...

    African Journals Online (AJOL)

    This study was carried out to evaluate the effect of spraying organophosphate, carbamate and synthetic pyrethroid pesticides on biochemical parameters viz., red blood cell (RBC) acetylcholine esterase (AchE) and plasma butyrylcholinesterase (BChE) activities, oxidative stress parameters viz., plasma T-BARs, catalase ...

  18. Biochemical changes induced by five pathogenic fungi on seeds of ...

    African Journals Online (AJOL)

    Different biochemical analysis were carried out to determine the changes induced by some fungi inoculated on Hibiscus sabdariffa linn seed for 14days. The inoculated fungi are Aspergillus niger Van Tieghem, Aspergillus flavus Link Ex fr, Fusarium oxysporum Schlecht, Penicillium chrysogenum Thom and Penicillium ...

  19. Vitamin b 12 supplementation: effects on some biochemical and ...

    African Journals Online (AJOL)

    Phenytoin is known to have some toxicological implications. Vitamin B12 supplementation during phenytoin administration was investigated to assess the benefits and risks of single vitamin supplementation. This study evaluated the biochemical and haematological effects of vitamin B12 on phenytoin toxicity. Twenty-four ...

  20. Toxicological Effects of Cigarette Smoke on Some Biochemical ...

    African Journals Online (AJOL)

    It is believed that while normal people may suffer complications of active and passive cigarette smoking, diabetes patients may suffer more. This study therefore aimed at investigating the toxicological effects of cigarette smoke on some biochemical parameters of alloxan-induced diabetic rats. Adult male Wistar rats (n ...