Sample records for QUINONA (quinone)
from WorldWideScience.org

Sample records 1 - 20 shown. Select sample records:



1

VIMANG: los efectos antigenotóxico y modulador de las enzimas glutatión peroxidasa y glutatión-S-transferasa

Cancino Badías, Lourdes; Leiva González, Aida; Garrido, Gabino; Cossío Ayala, Mayté; Prieto González, Elio
2001-03-01

Resumen en español Se ha demostrado el efecto antimutagénico de los polifenoles presentes en las plantas, lo que se ha relacionado con la actividad antioxidante y su capacidad de inhibir enzimas activadoras de carcinógenos y de inducir enzimas como la glutatión peroxidasa, la catalasa, la glutatión-S-transferasa y la NAD(P)H quinona reductasa. Se evaluó el posible efecto del VIMANG sobre la frecuencia de roturas de la cadena del ADN en leucocitos murinos tratados con bleomicina. Esto d (mas) io como resultado que el extracto de Mangifera indica L, VIMANG, protegía del daño genotóxico inducido por la bleomicina. Su acción podría estar relacionada con la captación de especies reactivas del oxígeno porque no modula la actividad de la glutatión peroxidasa. Sin embargo, el VIMANG no protege al ADN del efecto clastogénico de la ciclofosfamida, como tampoco modula la actividad de la glutatión-S-transferasa, enzima que participa en la destoxificación de este genotóxico. La presencia de polifenoles como componentes mayoritarios del extracto pueden explicar los efectos antioxidantes del VIMANG Resumen en inglés The antimutagenic effect of polyphenols present in plants has been demonstrated. This has been associated with their anti-oxidant activity and capacity to inhibit carcinogen-activating enzymes and to induce other enzymes such as glutathion peroxidase, catalase, glutathion-S-transferase and NAD(P)H quinone reductase. The possible effect of VIMANG on the frequency of DNA chain breaks in murine leukocytes treated with bleomycin was evaluated. The result was that the Mangifer (mas) a indica L extract, VIMANG, provided protection against the bleomycin-induced genotoxic damage. Its action may be linked to the capture of reactive oxygen species because it does not modulate glutathion peroxidase activity. However, VIMANG neither protects DNA from the clastogenic effect of cyclophosphamide nor modulates the activity of glutathion-S-transferase, an enzyme involved in detoxification of this genotoxic substance. The presence of polyphenols as main components of the extract can explain the antioxidant effects of VIMANG

Scientific Electronic Library Online (Spanish)

2

Zeitschrift für Naturfosrchung

Burgueño-Tapia, Eleuterio; González-Coloma, Azucena; Castillo, Lucía; Joseph-Nathan, Pedro
2008-01-01

Digital.CSIC (Spain)

3

X-ray analysis of netzahualcoyone, a triterpene quinone methide from Orthosphenia mexicana

González, A. G.; Fraga, Braulio M.; González, Carmen M.; Ravelo, Ángel G.; Ferro, Esteban
1983-01-01

Digital.CSIC (Spain)

4

X-ray analysis of netzahualcoyone, a triterpene Quinone methide from orthosphenia mexicana

González, Antonio G.; Fraga, Braulio M.; González, Carmen M.; Ravelo, Ángel G.; Ferro, Esteban; Domínguez, Xorge A.

4 pages, 1 table, 1 scheme. | The molecular structure and the absolute configuration of netzahualcoyone, a triterpene quinone methide with a new skeleton isolated from Orthosphenia mexicana, has been determined by X-ray analysis. | One of us (E. Ferro) thanks the Instituto de Cooperación Iberoameric...

DRIVER (Spanish)

5

X-ray analysis of netzahualcoyone, a triterpene Quinone methide from orthosphenia mexicana

González, Antonio G.; Fraga, Braulio M.; González, Carmen M.; Ravelo, Ángel G.; Ferro, Esteban; Domínguez, Xorge A.; Martínez, M. A.; Fayos, José; Perales, Áurea; Rodríguez, Matías L.
1983-01-01

Digital.CSIC (Spain)

9

The role of lipids in nonenzymatic browning

Hidalgo Casado, Francisco J.; Zamora, Rosario
2000-04-30

Digital.CSIC (Spain)

10

Sulphatic characterization of rice husk ashes. Comparative study with the Spanish silica fume

Talero Morales, Rafael; Pedrajas, C.; Delgado Quiñones, Alberto; Rahhal, V.
2009-11-01

Digital.CSIC (Spain)

11

Preparation and properties of a cross-linked complex between ferredoxin - NADP+ reductase and flavodoxin

Pueyo, José J.; Sancho, Javier; Edmondson, Dale E.; Gómez-Moreno, Carlos
1989-01-01

Digital.CSIC (Spain)

13

N-Heterocyclic Carbene-Catalyzed Monoacylation of 1,4-Naphthoquinones with Aldehydes

Molina, María Teresa; Navarro, Cristina; Moreno, Ana; Csákÿ, Aurelio G.
2009-11-25

Digital.CSIC (Spain)

15

La revista Anales de Psicología desde una perspectiva de redes sociales

Peñaranda-Ortega, María; Quiñones-Vidal, Elena; Osca-Lluch, Julia
2009-12-01

Digital.CSIC (Spain)

20

Genome, transcriptome, and secretome analysis of wood decay fungus Postia placenta supports unique mechanisms of lignocellulose conversion

Martínez, Diego; Morgenstern, Ingo; Hibbett, David; Schmoll, Monika; Kubicek, Christian P.; Ferreira, Patricia; Ruiz-Dueñas, Francisco J.; Martínez Ferrer, Ángel Tomás; Kersten, Phil; Hammel, Kenneth E.; Vanden Wymelenberg, Amber; Gaskell, Jill; Lindquist, Erika; Sabat, Grzegorz; BonDurant, Sandra Splinter; Larrondo, Luis F.; Canessa, Paulo; Vicuña, Rafael; Yadav, Jagjit; Doddapaneni, Harshavardhan; Subramanian, Venkataramanan; Pisabarro, Antonio G.; Lavín, José L.; Oguiza, José A.; Master, Emma; Henrissat, Bernard; Coutinho, Pedro M.; Harris, Paul; Magnuson, Jon Karl; Baker, Scott E.; Bruno, Kenneth; Kenealy, William; Hoegger, Patrik J.; Kües, Ursula; Ramaiya, Preethi; Lucas, Susan; Salamov, Asaf; Shapiro, Harris; Tu, Hank; Chee, Christine L.; Misra, Monica; Xie, Gary; Xie, Gary; Teter, Sarah; Yaver, Debbie; James, Tim; Mokrejs, Martin; Pospisek, Martin; Grigoriev, Igor V.; Brettin, Thomas; Rokhsar, Dan; Berka, Randy; Cullen, Dan
2009-02-04

Digital.CSIC (Spain)

21

Formation and geminate quenching of singlet oxygen in purple bacterial reaction center

Arellano, Juan B.; Yousef, Yaser A.; Melo, Thor Bernt; Mohamad, Samsun B. B.; Cogdell, Richard J.; Naqvi, K. Razi
2007-05-01

Digital.CSIC (Spain)

22

First total synthesis of justicidone, a p-quinone-lignan derivative from Justicia hyssopifolia

Boluda, Carlos J.; López, Hermelo; Pérez, José A.; Trujillo, Juan M.

4 pages, 2 charts.-- PMID: 16079522 [PubMed]. | The first synthesis of justicidone (4-(1',3'-Benzodioxol-5'-yl)-6-methoxynaphtho[2,3-c]furan-1,5,8(3H)-trione) was carried out from piperonal, as a starting compound, through a lineal process using well known reactions. | The authors thank MCT (project...

DRIVER (Spanish)

23

First total synthesis of justicidone, a p-quinone-lignan derivative from Justicia hyssopifolia

Boluda, Carlos J.; López, Hermelo; Pérez, José A.; Trujillo, Juan M.
2005-08-01

Digital.CSIC (Spain)

24

Estudios sobre la fosforilación y agregación de la proteína tau y su posible relación con la enfermedad de Alzheimer

Moreno Muñoz, Francisco José; Hernández Pérez, Félix; Santa-María, Ismael
2008-01-01

Digital.CSIC (Spain)

25

Estudio calorimétrico del cemento Portland con puzolanas naturales españolas y yeso

Rahhal, V.; Donza, H.; Delgado Quiñones, Alberto; Gutiérrez Jiménez, José Pedro; Talero Morales, Rafael
2008-05-01

Digital.CSIC (Spain)

27

Effects of an onion by-product on bioactivity and safety markers in healthy rats

Roldán-Marín, Eduvigis; Cano, M. Pilar; Sánchez-Moreno, Concepción; Dragsted, Lars O.
2009-01-01

Digital.CSIC (Spain)

28

Effect of captopril on mushroom tyrosinase activity in vitro

Espín de Gea, Juan Carlos; Wichers, Harry J.
2001-01-12

Digital.CSIC (Spain)

30

Difusión de las revistas españolas de psicología en bases de datos nacionales e internacionales

Osca-Lluch, Julia; Civera Mollá, Cristina; Tortosa Gil, Francisco; Quiñones, Elena; Peñaranda Ortega, María; López, Juan José
2005-01-01

Digital.CSIC (Spain)

31
33

Burkholderia ferrariae sp. nov., a novel bacterium isolated from an iron ore in Brazil.

Valverde, A.; Delvasto, P.; Peix, A.; Velázquez, E.; Santa Regina, I.; Ballester, A.; Rodríguez-Barrueco, C.; García-Balboa, C.; Igual, J. M.
2006-01-01

Digital.CSIC (Spain)

34

Arylation of Benzo-Fused 1,4-Quinones by the Addition of Boronic Acids under Dicationic Pd(II)-Catalysis

Molina, María Teresa; Navarro, Cristina; Moreno, Ana; Csákÿ, Aurelio G.
2009-01-01

Digital.CSIC (Spain)

35

Análisis de redes sociales (ARS) aplicado a los trabajos sobre conducción bajo los efectos de drogas o alcohol

Peñaranda-Ortega, María; Osca-Lluch, Julia; Civera Mollá, Cristina; Tortosa Gil, Francisco; Quiñones Vidal, Elena
2009-11-01

Digital.CSIC (Spain)

36

An insight into Faradaic phenomena in activated carbon investigated by means of the microelectrode technique

Malmberg, Helena; Ruiz Ruiz, Vanesa; Blanco Rodríguez, Clara; Santamaría Ramírez, Ricardo; Lundblad, Anders

5 pages, 4 figures, 1 table.-- Printed version published Sep 2007. | Cyclic voltammetry was performed on activated carbon particles in a microelectrode setup to investigate the behaviour of an activated carbon with oxygen functionalities. Quinoid type redox peaks were clearly seen in the potential r...

DRIVER (Spanish)

37

An insight into Faradaic phenomena in activated carbon investigated by means of the microelectrode technique

Malmberg, H.; Ruiz Ruiz, Vanesa; Blanco Rodríguez, Clara; Santamaría Ramírez, Ricardo; Lundblad, A.; Björnbom, P.
2007-06-30

Digital.CSIC (Spain)

38

Activities of naphthoquinones against Aedes aegypti (Linnaeus, 1762) (Diptera: Culicidae), vector of dengue and Biomphalaria glabrata (Say, 1818), intermediate host of Schistosoma mansoni

Ribeiro, Karlos A. L.; Carvalho, Cenira Monteiro de; Molina, María Teresa; Pereira Lima, Estelita; López-Montero, Eulogio; Oliveira, Maria Beatriz Farias de; Ventura Pinto, Antonio; Santana, Antônio Euzébio G.; Goulart, Marília O. F.; Reys, José Rui M.
2009-01-01

Digital.CSIC (Spain)