JESS-D-16-00331R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00216R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00462 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00615 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00069 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00237 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00379 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00205R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00023 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00602 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00528 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00272 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00313 R1.pdf | forthcoming | jess | Volumes | public ...

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JESS-D-16-00432 R1.pdf;Structural | forthcoming | jess | Volumes ...

Indian Academy of Sciences (India)

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JESS-D-16-00446 R1.pdf | forthcoming | jess | Volumes | public ...

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JESS-D-16-00496 R1.pdf | forthcoming | jess | Volumes | public ...

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JESS-D-16-00592 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00539 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00162 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00154R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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English; Evaluacion de la dosis efectiva annual debido a fuentes ambientales de radiacion en la Provincia de Holguin, Cuba

Energy Technology Data Exchange (ETDEWEB)

Brigido Flores, Osvaldo; Barreras Cabellero, Aldo A.; Montalvan Estrada, Adelmo [Laboratorio de Vigilancia Radiologica Ambiental de Camaguey (Cuba)]. E-mail: sean@caonao.cmw.inf.cu; Hernandez Perez, Alberto; Tamayo, Luis Perez; Parra Valdes, Dermidio; Bravo Lopez, Rosendo [Centro de Atencion a la Actividad Nuclear, Holguin (Cuba); Zerquera, Juan Tomas [Centro de Proteccion y Higiene de las Radiaciones, La Habana (Cuba)

2001-07-01

A survey program aiming at studying the natural radioactivity in the Province of Holguin is a part of the national program carried out for 3 years. Radiological measurements carried out with a portable ionization chamber RSS-111 and RSS-112 at the sampled sites revealed an average outdoor absorbed dose rate of 43.5 nGy.h{sup -1} due to cosmic rays and terrestrial gamma radiation. Ratio of indoor to outdoor absorbed dose rates in air was 1.6. The average value of absorbed dose rate in air for the ionizing component of cosmic rays was 31.9 nGy.h{sup -1} at sea level. Because of the 82% of the Holguin population lives at altitudes close to sea level (10-200 m), the absorbed dose rate in outdoor air from ionizing component of cosmic rays was estimated to be 33.8 nGy.h{sup -1}. An annual average effective dose equivalent of 340 {mu}Sv was estimated for Holguin population due to the ionizing component of cosmic and gamma terrestrial radiation. This value is lower the 510 {mu}Sv.year{sup -1} estimated for the Camaguey population and lower than the 760 {mu}Sv.year{sup -1} estimated as a world average by UNSCEAR (1993). (author)

Muir-Torre Syndrome

Science.gov (United States)

... small bowel (intestinal), urinary tract , prostate , and hepatobiliary ( liver or bile duct ) cancers. People with Muir-Torre syndrome are also ... 80% Stomach cancer 11% to 19% Hepatobiliary tract ( liver or bile duct ) cancer 2% to 7% Urinary tract cancer 4% ...

JESS-D-16-00449.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00288.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-17-00080.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-17-00037.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-17-00047.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-17-00003.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00178.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00654.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00540.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00612.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-17-00106.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00357.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00026.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00198.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00349.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00140.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00159.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00046.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00319.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-17-00111.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-17-00152.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-17-00075.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00151.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00261.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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JESS-D-16-00476.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

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Jess, the Java expert system shell

Energy Technology Data Exchange (ETDEWEB)

Friedman-Hill, E.J.

1997-11-01

This report describes Jess, a clone of the popular CLIPS expert system shell written entirely in Java. Jess supports the development of rule-based expert systems which can be tightly coupled to code written in the powerful, portable Java language. The syntax of the Jess language is discussed, and a comprehensive list of supported functions is presented. A guide to extending Jess by writing Java code is also included.

JESS-D-16-00424 R3.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00542 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00067 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00247 R4.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-17-00011 R3.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00589 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00450 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00284 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00510 R4.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00578 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00339 R3.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00482 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00418 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00096 R4.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00127R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00307 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00302 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00537 R3.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00429 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00330 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00503 R3.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00409 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-15-00464R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00287 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00370 R3.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00197 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00189 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00274 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00392 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00575 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00024 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00523 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00354R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00043 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00107 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00032 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00351 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00222 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00044 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00034 R3.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00263 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00005R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00389 R3.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00567 R2.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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JESS-D-16-00078 R3.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

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77 FR 65545 - Mr. Jesse S. Capel and Mr. Hilton J. Cochran; EWP LLC; Notice of Transfer of Exemption

Science.gov (United States)

2012-10-29

... DEPARTMENT OF ENERGY Federal Energy Regulatory Commission [Project No. 4815-009] Mr. Jesse S. Capel and Mr. Hilton J. Cochran; EWP LLC; Notice of Transfer of Exemption 1. By application filed on July 30, 2012 and supplemented on August 14, 2012, Mr. Jesse S. Capel and Mr. Hilton J. Cochran and EWP...

Professor Jesse W. Beams and the first practical magnetic suspension

Science.gov (United States)

Allaire, P. E.; Humphris, R. R.; Lewis, D. W.

1992-01-01

Dr. Jesse W. Beams developed the first practical magnetic suspension for high speed rotating devices. The devices included high speed rotating mirrors, ultracentrifuges, and high speed centrifugal field rotors. A brief biography of Dr. Beams is presented, and the following topics are discussed: (1) early axial magnetic suspension for ultracentrifuges; and (2) magnetic suspension for high centrifugal fields.

JESS: Java extensible snakes system

Science.gov (United States)

McInerney, Tim; Akhavan Sharif, M. Reza; Pashotanizadeh, Nasrin

2005-04-01

Snakes (Active Contour Models) are powerful model-based image segmentation tools. Although researchers have proven them especially useful in medical image analysis over the past decade, Snakes have remained primarily in the academic world and they have not become widely used in clinical practice or widely available in commercial packages. A number of confusing and specialized variants exist and there has been no standard open-source implementation available. To address this problem, we present a Java Extensible Snakes System (JESS) that is general, portable, and extensible. The system uses Java Swing classes to allow for the rapid development of custom graphical user interfaces (GUI's). It also incorporates the Java Advanced Imaging(JAI) class library, which provide custom image preprocessing, image display and general image I/O. The Snakes algorithm itself is written in a hierarchical fashion, consisting of a general Snake class and several subclasses that span the main variants of Snakes including a new, powerful, robust subdivision-curve Snake. These subclasses can be easily and quickly extended and customized for any specific segmentation and analysis task. We demonstrate the utility of these classes for segmenting various anatomical structures from 2D medical images. We also demonstrate the effectiveness of JESS by using it to rapidly build a prototype semi-automatic sperm analysis system. The JESS software will be made publicly available in early 2005.

Obituary: Jesse Greenstein, 1909-2002

Science.gov (United States)

Gunn, James Edward

2003-12-01

On the 21 October 2002, with the death of Jesse Greenstein, many of us in astronomy lost a beloved adopted father and astronomy lost one of its most influential leaders of the postwar era. Truly a giant is gone; it is easy to say that they don't make the likes of Greenstein, Spitzer, and Scharwarzschild any more, but it is unfortunately only the truth. The field has changed and grown enormously in the more than 50 years spanned by Jesse's career with no small part of this traceable directly to his efforts. His growth was shaped very much by world events. He enjoyed a quite comfortable childhood; he was born on 15 October 1909 to successful immigrant parents, Maurice and Leah, who indulged his early interests in astronomy, radio, and science in general; these interests were to remain with him the rest of his life. As a boy he thought physics dull and chemistry exciting, though later he was to be influential in the transformation of astronomy into astrophysics in this country. He was something of a prodigy, entering the Horace Mann School for boys (an excellent private high school) at age 11 and Harvard at age 16 (in 1926). He met and became close friends with Cecilia Payne, with whom he shared cultural and scientific passions. She was certainly the greatest female astronomer of the era but largely shunned and ignored by her colleagues. Thus began a curious ambivalence in his relationship with women in the field; in fact and in action he was highly supportive but much less so in word. He graduated with a BA in astronomy in October 1929, on the eve of the stock market crash. He stayed for one more year and obtained a Master's degree, prevented by ill health from a planned one-year visit to Oxford. His family had always assumed that he would forego his interest in research and take his place in the family's successful business and real estate endeavors and the seriousness of the market collapse impelled him, very much against his will, to do just that. He proved

Usage of the Jess Engine, Rules and Ontology to Query a Relational Database

Science.gov (United States)

Bak, Jaroslaw; Jedrzejek, Czeslaw; Falkowski, Maciej

We present a prototypical implementation of a library tool, the Semantic Data Library (SDL), which integrates the Jess (Java Expert System Shell) engine, rules and ontology to query a relational database. The tool extends functionalities of previous OWL2Jess with SWRL implementations and takes full advantage of the Jess engine, by separating forward and backward reasoning. The optimization of integration of all these technologies is an advancement over previous tools. We discuss the complexity of the query algorithm. As a demonstration of capability of the SDL library, we execute queries using crime ontology which is being developed in the Polish PPBW project.

A case report of Muir-Torre syndrome in a woman with breast cancer and MSI-Low skin squamous cell carcinoma

OpenAIRE

Kientz, Caroline; Joly, Marie-Odile; Faivre, Laurence; Clemenson, Alix; Dalac, Sophie; Lepage, C?me; Chapusot, Caroline; Jacquot, Caroline; Schiappa, Renaud; Lebrun, Marine

2017-01-01

Background The tumor spectrum in the Lynch syndrome is well defined, comprising an increased risk of developing colonic and extracolonic malignancies. Muir-Torre syndrome is a variant with a higher risk of skin disease. Patients have been described carrying mutations in the mismatch repair genes and presenting tumors with unusual histology or affected organ not part of the Lynch syndrome spectrum. Hence, the real link between Lynch syndrome, or Muir-Torre syndrome, and these tumors remains di...

Atmospheric beta radioactivity in Holguin and Its relation with meteorological factors

International Nuclear Information System (INIS)

Perez Tamayo, L.; Mendez Fernandez, G.

1996-01-01

Were processed 487 values of air beta activity measurements performed in the period of Sep. 91-Apr. 95 in Holguin, at the Cuban east. The averaged value of effective semidesintegration period results in the 30-45 minute interval, which confirms that beta emission of radon-222 daughters is predominant. The atmospheric beta activity resulst highest in the winter months and where continental air masses predominates. For the oceanic air masses are typical lower values. Was determined high dependence with the rose wind: very low values for east wind and associated turns (0.3 - 0.5 Bq/m 3 ) and higher values for the North, North East and South East winds (>0.6 Bq/m 3 ) The predominance of air masses of oceanic origin with low atmospheric beta activities determine the low average value obtained in the present work (0.5 Bq/m 3 ) which coincides with the lower value reported in the literature . It is apparent that influence of local radon exhalation rate is not important in the behaviour of the radioactivity gas in air, However any asseveration about this question requests subsequent investigation

PEMIKIRAN JESSE H SHERA DAN PERKEMBANGAN PENDIDIKAN ILMU PERPUSTAKAAN DI INDONESIA

Directory of Open Access Journals (Sweden)

Widiyastuti Widiyastuti

2016-10-01

Full Text Available AbstrakNama Jesse Hauk Shera tidak asing lagi di dunia perpustakaan, banyak buku yang telah dia tulis tentang ilmu perpustakaan. Shera merupakan tokoh yang meletakkan ilmu perpustakaan sebagai sebuah ilmu, pemikiran Shera ini kemudian menegaskan keilmuan yang melandasi kepustakawanan di seluruh dunia. Shera mengungkapkan dalam bukunya “The foundations of education for librarianship”. Perkembangan ilmu perpustakaan di Indonesia secara falsafah atau hakikat ilmu perpustakaan pada awal 1990 an, yaitu dengan ditandai munculnya program pascasarjana ilmu perpustakaan di Universitas Indonesia. Perkembangan ilmu perpustakaan di Indonesia diantaranya dipelopori oleh Sulistyo-Basuki dan Putu Laksman Pendit yang mengusung konsep ilmu perpustakaan ditinjau dari aspek filsafatnya.Kata Kunci:     Pemikiran Jesse H Shera, Perkembangan Pendidikan Ilmu Perpustakaan, IndonesiaAbstractIn the library world, name Jesse Hauk Shera is very famous. She has written many books related to library. Shera is a founder who makes library science to be science. This Shera’s thinking then clarifies the sience as the foundations for library science in the world. Shera explaines in her book “ The Foundations of Education for Librarianship”,. Philosophically, the development of library science in Indonesia or substantial library science in the early 1990s, marked by the opening magister program in library science in Universiy of Indonesia. The development of library science in Indonesia lead by Sulistyo-Basuki and Putu Laksman Pendit where both famouf figures bring the concept of library science is seen from phylosophy aspect.Keywords:    Jesse H Shera thinking, The develppment of Library Science Education, Indonesia

Centro de Proteccion e Higiene de las Radiaciones (CPHR) Holguin Territorial Office Scientific Technical Co-operation in the field of ionizing radiation metrology: Results and perspectives

International Nuclear Information System (INIS)

Morales, J.A.; Bravo, R.

1993-01-01

This paper presents an overview of the activities carried out in order to organic a dosimetric calibration territorial service to be performed mainly with Secretaria Ejecutiva Para Asuntos Nucleares (SEAN) personnel and model facilities. This paper emphasizes the results of the calibration which will performed this service in joint association with CPHR specialist and Holguin Territorial Office (june 1993). The perspective of co-operation in this field starting up the CPHR dosimetric calibration secondary laboratory are presented

The nature of conflict between hikers and recreational stock users in the John Muir wilderness

Science.gov (United States)

Alan E. Watson; M. J. Niccolucci; Daniel R. Williams

1994-01-01

The purpose of this research was to determine the extent of conflict between hikers and recreational stock users in a Sierra Nevada wilderness and to test the relative importance of various hypothetical predictors of conflict using multiple conflict measures. A survey of hikers and recreational stock users of the John Muir Wilderness in California revealed the ability...

Framing a Philosophy of Environmental Action: Aldo Leopold, John Muir, and the Importance of Community

Science.gov (United States)

Goralnik, Lissy; Nelson, Michael P.

2011-01-01

A philosophy of action consists of a theory about how and why we do things and what motivates us to act. By juxtaposing the theory of environmental action implied by the works and life of John Muir with the philosophy of action suggested by Aldo Leopold's Land Ethic, we will illuminate the importance of a philosophy of action in determining one's…

1089.pdf | jul2014 | jess | Indian Academy of Sciences

Indian Academy of Sciences (India)

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867.pdf | aug2012 | jess | Indian Academy of Sciences

Indian Academy of Sciences (India)

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index body.html | sep2000 | jess | Indian Academy of Sciences

Indian Academy of Sciences (India)

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index body.html | sep2002 | jess | Indian Academy of Sciences

Indian Academy of Sciences (India)

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ilc-25.pdf | dec2005 | jess | Indian Academy of Sciences

Indian Academy of Sciences (India)

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Muir-Torre Syndrome Presenting as Sebaceous Adenocarcinoma and Invasive MSH6-Positive Colorectal Adenocarcinoma

Directory of Open Access Journals (Sweden)

Sunil Tulpule

2016-02-01

Full Text Available Muir-Torre syndrome (MTS is a rare genodermatosis, diagnosed by the presence of sebaceous neoplasms along with an internal malignancy, most commonly colorectal carcinomas. MTS is most commonly caused by microsatellite instabilities of the hMLH1 and hMSH2 mismatch repair genes, and is rarely caused by mutations of the hMSH6 gene. We describe the case of a 56-year-old male who presented with an enlarging mass on his back as well as hematochezia. The back mass was excised, and pathology confirmed microsatellite instability in MSH2 and MSH6. Abdominal CT and colonoscopy confirmed the presence of synchronous masses in the cecum, ascending colon, and the transverse colon. He refused any further workup or treatment, only to return 8 months later complaining of hematochezia and discomfort due to an enlarging mass protruding from the rectum. After consenting to surgical intervention, he agreed to outpatient chemotherapy treatment. The presence of sebaceous neoplasms should raise suspicion for the possibility of an associated internal malignancy.

Understanding and managing experiential aspects of soundscapes at Muir woods national monument.

Science.gov (United States)

Pilcher, Ericka J; Newman, Peter; Manning, Robert E

2009-03-01

Research has found that human-caused noise can detract from the quality of the visitor experience in national parks and related areas. Moreover, impacts to the visitor experience can be managed by formulating indicators and standards of quality as suggested in park and outdoor recreation management frameworks, such as Visitor Experience and Resource Protection (VERP), as developed by the U.S. National Park Service. The research reported in this article supports the formulation of indicators and standards of quality for human-caused noise at Muir Woods National Monument, California. Phase I identified potential indicators of quality for the soundscape of Muir Woods. A visitor "listening exercise" was conducted, where respondents identified natural and human-caused sounds heard in the park and rated the degree to which each sound was "pleasing" or "annoying." Certain visitor-caused sounds such as groups talking were heard by most respondents and were rated as annoying, suggesting that these sounds may be a good indicator of quality. Loud groups were heard by few people but were rated as highly annoying, whereas wind and water were heard by most visitors and were rated as highly pleasing. Phase II measured standards of quality for visitor-caused noise. Visitors were presented with a series of 30-second audio clips representing increasing amounts of visitor-caused sound in the park. Respondents were asked to rate the acceptability of each audio clip on a survey. Findings suggest a threshold at which visitor-caused sound is judged to be unacceptable, and is therefore considered as noise. A parallel program of sound monitoring in the park found that current levels of visitor-caused sound sometimes violate this threshold. Study findings provide an empirical basis to help formulate noise-related indicators and standards of quality in parks and related areas.

Attenuated familial adenomatous polyposis and Muir-Torre syndrome linked to compound biallelic constitutional MYH gene mutations.

Science.gov (United States)

Ponti, G; Ponz de Leon, M; Maffei, S; Pedroni, M; Losi, L; Di Gregorio, C; Gismondi, V; Scarselli, A; Benatti, P; Roncari, B; Seidenari, S; Pellacani, G; Varotti, C; Prete, E; Varesco, L; Roncucci, L

2005-11-01

Attenuated familial adenomatous polyposis and Muir-Torre syndrome linked to compound biallelic constitutional MYH gene mutations.Peculiar dermatologic manifestations are present in several heritable gastrointestinal disorders. Muir-Torre syndrome (MTS) is a genodermatosis whose peculiar feature is the presence of sebaceous gland tumors associated with visceral malignancies. We describe one patient in whom multiple sebaceous gland tumors were associated with early onset colon and thyroid cancers and attenuated polyposis coli. Her family history was positive for colonic adenomas. She had a daughter presenting with yellow papules in the forehead region developed in the late infancy. Skin and visceral neoplasms were tested for microsatellite instability and immunohistochemical status of mismatch repair (MMR), APC and MYH proteins. The proband colon and skin tumors were microsatellite stable and showed normal expression of MMR proteins. Cytoplasmic expression of MYH protein was revealed in colonic cancer cells. Compound heterozygosity due to biallelic mutations in MYH, R168H and 379delC, was identified in the proband. The 11-year-old daughter was carrier of the monoallelic constitutional mutation 379delC in the MYH gene; in the sister, the R168H MYH gene mutation was detected. This report presents an interesting case of association between MYH-associated polyposis and sebaceous gland tumors. These findings suggest that patients with MTS phenotype that include colonic polyposis should be screened for MYH gene mutations.

Reducing visitor noise levels at Muir Woods National Monument using experimental management.

Science.gov (United States)

Stack, David W; Peter, Newman; Manning, Robert E; Fristrup, Kurt M

2011-03-01

Noise impacts resources and visitor experience in many protected natural areas, and visitors can be the dominant source of noise. This experimental study tested the efficacy and acceptability of signs asking visitors to be quiet at Muir Woods National Monument, California. Signs declaring a "quiet zone" (at the park's Cathedral Grove) or a "quiet day" (throughout the park) were posted on a randomized schedule that included control days (no signs). Visitor surveys were conducted to measure the cognitive and behavioral responses of visitors to the signs and test the acceptability of these management practices to visitors. Visitors were highly supportive of these management practices and reported that they consciously limited the amount of noise they produced. Sound level measurements showed substantial decreases on days when signs were posted. © 2011 Acoustical Society of America

Risk appraisal in the radiotherapy patient: “V. I. Lenin” Hospital in Holguin province

International Nuclear Information System (INIS)

González López, Dagoberto Eloy; Borjas Hernández, Pedro

2015-01-01

An accident is usually caused by the simultaneous occurrence of human errors and equipment failure. In medical applications, the radiation therapy is the increased risk of complexity presented by treatments in patients. The different accidents that have occurred in the world in this practice show the need for safety analysis in order to identify and prevent accidental exposures. In this regard, the effectiveness of the semiquantitative method of “risk matrices”, which consists of a combined analysis of the frequency of occurrence of the event causing the accident, the chance of human errors or failure of the safety barriers, in addition to recognizing the seriousness of the consequences resulting from such events; which define the acceptability criteria based on risk. In this research, this method was applied for safety evaluation analysis of the radiotherapy service at Holguin hospital, which uses a cobalt 60 Theratron Phoenix equipment. The study allowed to quantify the radiotherapy service strengths, to identify the most significant contributors to risk events from the viewpoint of safety, as well as to adopt the most appropriate mitigation measures in order to decrease the occurrence of such accidents. The risk of a large number of accident sequences caused by all possible human errors and equipment failures in the service was estimated, and it was also observed and consequently concluded that none of the accident sequences was considered as very high risk thus confirming that there is no imminent risk which could result in an accident at this facility. (author)

Wake deficit measurements on the Jess and Souza Ranches, Altamont Pass

Energy Technology Data Exchange (ETDEWEB)

Nierenburg, R. (Altamont Energy Corp., San Rafael, CA (USA))

1990-04-01

This report is ninth in a series of documents presenting the findings of field test under DOE's Cooperative Field Test Program (CFTP) with the wind industry. This report provides results of a project conducted by Altamont Energy Corp. (AEC) to measure wake deficits on the Jess and Sousa Ranches in Altamont Pass, CA. This research enhances and complements other DOE-funded projects to refine estimates of wind turbine array effects. This project will help explain turbine performance variability caused by wake effects. 4 refs., 28 figs., 106 tabs.

Identification and Consubstantiation in the 1988 California Primary Campaign Rhetoric of Jesse Jackson: A Burkeian Approach.

Science.gov (United States)

Porter, Laurinda W.

In 1988, Jesse Jackson was the second most successful candidate for the Democratic presidential nomination, finishing behind Michael Dukakis. While Jackson displayed extraordinary rhetorical talent and articulated a view of America unlike that of other candidates, little scholarly attention has been paid to his rhetoric. Examination of four of…

Wittgenstein e Jesse Prinz: Sobre Emoções

Directory of Open Access Journals (Sweden)

Juliano do Carmo

2017-02-01

Full Text Available A publicação do livro The Emotional Construction Of Morals, de Jesse Prinz, em 2007, reacendeu o debate a respeito da natureza das emoções e suas implicações importantes para a moralidade. O tema não é por certo novo, contudo, a originalidade dessa abordagem consiste justamente em tentar sustentar duas hipóteses radicais a respeito da moralidade: (1 que os valores morais estão baseados em respostas emocionais e (2 que as respostas emocionais variam de cultura para cultura. Por mais interessante que isso possa parecer, existe um obstáculo importante na posição de Prinz que precisa ser considerado antes mesmo de avaliar se seus argumentos para sustentar tais hipóteses são válidos ou não. O problema que será discutido aqui é de natureza metodológica, ou seja, trata-se de avaliar o modo como podemos de fato falar sobre emoções e o tipo de naturalismo que soa mais razoável em se tratando de uma investigação estritamente filosófica. O pano de fundo de minha abordagem é a herança autoproclamada de Prinz a respeito da teoria James-Lange das emoções e o debate entre Wittgenstein e William James sobre o uso de termos psicológicos (ou emocionais. Como veremos, há certos aspectos metodológicos na discussão de Wittgenstein com James que poderiam auxiliar na compreensão adequada deste debate.

Synchronous gastric and sebaceous cancers, a rare manifestation of MLH1-related Muir-Torre syndrome

Czech Academy of Sciences Publication Activity Database

Švec, Jiří; Schwarzová, L.; Janošíková, B.; Štekrová, J.; Mandys, V.; Kment, M.; Vodička, Pavel

2014-01-01

Roč. 7, č. 8 (2014), s. 5196-5202 ISSN 1936-2625 Grant - others:GA MŠk(CZ) Prvouk-P27/LF1/1; Univerzita Karlova(CZ) CZ.2.16/3.1.00/24024 Institutional support: RVO:68378041 Keywords : germline mutation * gastric cancer * MLH1 Subject RIV: EB - Genetics ; Molecular Biology Impact factor: 1.891, year: 2014

Identification of Actinobacillus pleuropneumoniae serotypes 1, 7, and 12 by multiplex PCR based on genes involved in encapsulation

DEFF Research Database (Denmark)

Angen, Øystein; Jessing, Stine Graakjær; Ahrens, Peter

2005-01-01

. However, a number of isolates show cross-reaction between serotypes and this has urged the development of quick, serotype specific DNA-based methods necessary. Serotype specific tests have until now been described for the serotypes 2, 5, and 6 (Jessing et al, 2003) and serotypes 1, 2 and 8 (Schuchert et...

JESS-D-15-00421 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

Theory Of Evolution. Posted on 23 January 2018. Joint Statement by the Three Science Academies of India on the teaching of the theory of evolution more. ... Posted on 21 December 2017. ASTROPHYSICS: An Observational View of the Universe. Math Art and Design: MAD about Math, Math Education and Outreach.

JESS-D-16-00343 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

How to combat infectious diseases: The role of Science Academies · Academy Public Lecture and INSA–Leopoldina Lecture by Prof. Jörg Hacker, President, German Academy of Sciences Leopoldina. 4 December, 2017, 4 PM Faculty Hall, Indian Institute ...

JESS-D-16-00309 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

error. The page your are looking for can not be found! Please check the link or use the navigation bar at the top. YouTube; Twitter; Facebook; Blog. Academy News. IAS Logo. Summer Research Fellowship Programme 2018. Posted on 16 December 2017. REGISTRATIONS CLOSED. Announcement of selected candidates ...

JESS-D-16-00264 R1.pdf | forthcoming | jess | Volumes | public ...

Indian Academy of Sciences (India)

404! error. The page your are looking for can not be found! Please check the link or use the navigation bar at the top. YouTube; Twitter; Facebook; Blog. Academy News. IAS Logo. Theory Of Evolution. Posted on 23 January 2018. Joint Statement by the Three Science Academies of India on the teaching of the theory of ...

The reflectance confocal microscopy features of sebaceous adenoma in a case of Muir Torre syndrome

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Esma İnan Yüksel

2015-03-01

Full Text Available Muir-Torre syndrome (MTS is a rare autosomal dominant genodermatosis characterized by the occurrence of sebaceous gland neoplasms and/or keratoacanthomas associated with visceral malignancies. It is considered as a subtype of hereditary nonpolyposis colorectal cancer syndrome. Characteristic sebaceous gland neoplasms include sebaceous adenoma, sebaceous carcinoma, sebaceoma, and keratoacanthoma with sebaceous differentiation. The most common visceral malignancies are colorectal and genitourinary tumors. CASE: A 47year-old male patient admitted to our clinic complaining of two lesions on the nose. Dermatological examination revealed a plaque in 1 cm diameter consisting of bright yellowish-white coloured papules with slightly umblicated appearance and telangiectasias on the left site of the nose and had a dome shaped papule in 3 mm diameter with hyperkeratotic plug on the tip of the nose. He had personal history of partial colon resection because of colon cancer and familial Lynch 2 syndrome. On dermoscopic examination of sebaceous adenoma, a few yellow comedo-like globules and branching arborizing vessels were detected. Reflectance confocal microscopy (RCM revealed a good histopathologic correlation. Sebaceous lobules were composed by clusters of ovoid cells with hyporefractile dark nuclei and bright, hyperrefractile glistening cytoplasm. Numerous roundish to ovoid dark spaces corresponding to sebaceous ducts were detected. The diagnosis of MTS was established based on the personal and family history, dermoscopic, RCM and histopathologic findings. CONCLUSIONS: MTS evaluation is required in patients with biopsy-proven sebaceous adenoma. Early diagnosis may be lifesaving in patients with MTS. A better characterization of RCM features of sebaceous tumors will allow early diagnosis of the patients with MTS.

Ileocecal Adenocarcinoma and Ureteral Transitional Cell Carcinoma with Multiple Sebaceous Tumors and Keratoacanthomas in a Case of Muir-Torre Syndrome

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Michael C. Lynch

2010-01-01

Full Text Available Cutaneous neoplasms including sebaceous tumors, keratoacanthomas, and basal cell carcinomas with sebaceous differentiation can be markers of internal malignancy associated with the Muir-Torre Syndrome (MTS. We report a 56-year-old man with a diagnosis of hereditary nonpolyposis colorectal cancer (HNPCC and ureteral transitional cell carcinoma who subsequently developed two sebaceous gland neoplasms and several keratoacanthomas, leading to the diagnosis of MTS. Our case highlights the clinical advantages of immunohistochemistry (IHC in identifying mutations in the mismatch repair (MMR genes responsible for both HNPCC and MTS. The importance of continued clinical suspicion in the dermatological assessment of patients with sebaceous neoplasms is emphasized.

Hand-in-hand with Hélène Cixous: A re-vision of the work of scottish writers Willa Muir, Jessie Kesson and Janice Galloway

OpenAIRE

Armental Romero, María Dolores

2016-01-01

[Abstract] In the early years of the twentieth century, Willa Muir warned women of their own self-destruction if they aligned themselves with the power of the Self that came to them, which was imposed by the ‘Law of the Father,’ the authority represented by a Calvinist religion based on the coldness of rationality and on the value of human beings measured according to their productivity, and by a Church that regarded the world of emotions as profane, an evil that had to be r...

A response to Annette Gough and Jesse Bazzul. Subverting subjectivity: an anti-neoliberal reformulation of science education for life

Science.gov (United States)

Levinson, Ralph

2017-12-01

In responding to Jesse Bazzul's and Annette Gough's articles I maintain that contemporary positivist science curricula cannot address the urgent issues of sustainability and biopower that confront us. Drawing on the writings and interpretations of Emmanuel Levinas I argue that contemplating the meaning of responsibility to the Other is a radically subversive activity and a means of moving from the neoliberal dominance of science education towards a science one steeped in social justice.

"One of the Most Sensible Utterances that Has Come from Anybody in a Long Time:" Jesse H. Newlon's "The Teaching Profession and the World Crisis"

Science.gov (United States)

Garrett, Alan W.

2006-01-01

As Jesse H. Newlon prepared to speak at Teachers College on July 10, 1940, he apparently did not appreciate the impact his words would make. He had not prepared a complete text of his remarks, as was his habit for important speeches, speaking instead from a three-page outline. His ultimate title, "The Teaching Profession and the World Crisis," was…

Berlin 1936: The Creation of the “Myth” Jesse Owens

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Leite Werlayne Stuart Soares

2017-11-01

Full Text Available Throughout the twentieth century, the sport has gained much importance in society and sparked interest from various sectors, including the political. Adolf Hitler used the XI 1936 Summer Olympic Games to show the world the strength of Nazi Germany and its rebirth after the defeat in World War I and the impositions of the Versailles Treaty. However, many of the facts historically reported on the 1936 Olympics are contested. The most famous and mythical case of these Olympic Games, and one of the most famous in the history of sport, relates to events that occurred between the American athlete Jesse Owens and the Nazi Führer. The aim of this work is to try to show, as faithfully as possible, as some important facts occurred during this event (the contest between Owens and Long in the long jump; if Hitler snubbed Owens; etc. that helped create the “myth” around Owens; and to present reports of the global media coverage, analyzing the perpetuation of these mythical reports in current media. As methodology was conducted an ample bibliographical research: reports taken from newspapers of the time and current, books, scientific papers, master's thesis, documentaries, etc. Without claiming to prove a single fact, it is intended to provide insight to the reader to draw their own conclusions.

Primer registro de Conidiobolus coronatus (Zygomycetes: Entomophthorales en crías experimentales de dos especies plaga del maíz: Delphacodes kuscheli y D. haywardi (Hemiptera: Delphacidae en la Argentina First record of Conidiobolus coronatus (Zygomycetes: Entomophthorales in experimental breeding of two pest species of corn: Delphacodes kuscheli and D. haywardi Muir (Hemiptera: Delphacidae in Argentine

Directory of Open Access Journals (Sweden)

A. V. Toledo

Full Text Available Se investigó la ocurrencia natural del hongo entomopatógeno Conidiobolus coronatus (Costantin Batko (Zygomycetes: Entomophthorales en adultos de Delphacodes kuscheli Fennah y D. haywardi Muir (Hemiptera: Delphacidae, criados sobre Hordeum vulgare L. bajo condiciones de invernadero. Los insectos muertos, por una sospechada infección fúngica, fueron recolectados, esterilizados superficialmente, y examinados en el laboratorio. Conidiobolus coronatus fue aislado en cultivos puros, descrito morfológicamente y depositado en colecciones micológicas. Este trabajo presenta el primer registro de C. coronatus contra insectos perjudiciales en la Argentina.The natural occurrence of the entomopathogenic fungus Conidiobolus coronatus (Costantin Batko (Zygomycetes: Entomophthorales in adults of Delphacodes kuscheli Fennah and D. haywardi Muir (Hemiptera: Delphacidae, reared on Hordeum vulgare L. under greenhouse conditions, was investigated. Dead insects, suspected of fungal infection, were collected, surface sterilized, and examined in the laboratory. Conidiobolus coronatus was isolated in pure cultures, described morphologically, and deposited in mycological collections. This paper presents the first record of C. coronatus against harmful insects in Argentina.

Duties, Oughts and Jesse Prinz’s Agent-Relativism

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Marco Antônio Oliveira de Azevedo

2013-12-01

Full Text Available http://dx.doi.org/10.5007/1677-2954.2013v12n2p143 In The Emotional Construction of Morals (2007, Jesse Prinz offers a coherent naturalist approach on the foundations of human moral normativity. He classifies his view as a sensibility theory, a realist approach conspicuously opposed to the anti-realist bent of traditional emotivism. I sympathize with Prinz’s general approach; nevertheless, I have some specific disagreements. The first concerns the “is-ought” problem. I don’t think it is possible to build a realist, and a naturalist, approach in ethics without answering the famous problem with a positive stance. That is, without showing that it is actually possible to make the suspect transition—at least if we take “normativity” as a natural fact (as Hume, I think, actually thought. Here I will evaluate what I think are the main issues of Prinz’s approach. One issue that deserves to be commented on is the contrast between Prinz’s view and John Searle's well-known approach regarding the is-ought problem. Prinz thinks that Searle’s argument favouring the passage from an "is" to an "ought" is not cogent, but the correct understanding of Searle's argument requires assuming “obligations” (and duties as factual. Therefore, what a naturalist theory must explain is how it is possible to pass from the fact that one is under a particular obligation to the supposed required action (or, in more fashionable words, how duties can be “agent-relative reasons for action”. In effect, I will present my approach on the concept of “reason for action,” influenced by Judith Jarvis Thomson’s approach, and her distinction between “duties” and “oughts.” In the final section I will make some comments on the problem of relativism. I agree with Prinz that descriptive relativism is true; but Prinz is committed to a form of agent-relativism. I will present arguments against agent-relativism that depend on the acceptance of a clear

Presentation of a Patient with Neurocysticercosis

International Nuclear Information System (INIS)

Leyva Rojas, Kersting María; Rubio Rodríguez, Abelardo; Pérez Hernández, Guillermo; Consuegra Gómez, René; Gil Martínez, Milernis

2015-01-01

Cysticercosis is the most common and significant parasites borne disease of the nervous system of man and represents a public health problem of immense magnitude. A 65- year- old male patient, worker of Meat Company of Holguin which ingested raw porkmeat and blood, was brought to the Internal Medicine emergency ward, of 'Vladimir Ilich Lenin' General University Hospital, Holguin Province, Cuba, complaining of lack of muscle strength of the left side of the body. Active neurocysticercosis was diagnosed by history and confirmed by neuroimaging studies: computed tomography and nuclear magnetic resonance. (author)

76 FR 13944 - Approval and Promulgation of Air Quality Implementation Plans; State of California; Regional Haze...

Science.gov (United States)

2011-03-15

... Wilderness; 14. Emigrant Wilderness; 15. Hoover Wilderness; 16. Yosemite National Park; 17. Ansel Adams... monitor) Ansel Adams WA, Kaiser WA, John 15.5 14.9 13.6 7.1 2200 Muir WA (KAIS monitor)......... Sequoia...

The Anatomy of Directed Motivational Currents: Exploring Intense and Enduring Periods of L2 Motivation

Science.gov (United States)

Henry, Alastair; Dornyei, Zoltan; Davydenko, Sofia

2015-01-01

In a series of articles Dörnyei and his colleagues (Dörnyei, Ibrahim, & Muir, 2015; Dörnyei, Muir, & Ibrahim, 2014; Muir & Dörnyei, 2013) describe the phenomenon of a period of intense and enduring motivation in pursuit of a highly desired personal goal or vision. These surges of motivational energy, which they call "Directed…

Dollar Summary of Prime Contract Awards by Contractor, State or Country, and Place, FY 85. Part 1 (IDSCR Inc - Czetli Jess & Son In).

Science.gov (United States)

1985-01-01

4 CC)0 ) ) - )~ I - q 0 N 0’ -. 4 M’ ( 0 0 go C C) (𔃺) C-O- NP- 013" IA1-N D00 N o’" 41ma 4cI 30a)3 30t)I n F3 .’ .3.- #.-4) xL. qxU 0 0I Ixwe - c...Nn iS C)- -4 - 9C’o r0 .4 LIn c 4 ~0 c1 .- WI I 0W. V-4 0 1 4 up a WI4 1. Wi CL-441oI 44W5 41 >I, L " 1 1 a 4 C U 0L JI I 0u 1 - 65. (a01 1 f3 oC - C-1...a zu z o 0AJ 4a a x a * -C cccn ai 0 U U U4 c0 IOS ( -a cN a n-C - Pa- ~ 0 a .- No N6 ~a) - aCca 0 in a- (An- a- E c~CCN . i ’ wl a- w 0 -qa 0>..4 ac

Identification of the Properties of Gum Arabic Used as a Binder in 7.62-mm Ammunition Primers

Science.gov (United States)

2010-06-01

Sutherland, and Ann Masko from United States Department of Agriculture Forest Products Laboratory. CONTENTS Page Introduction 1 Technical...Viscoelasticity, Produce a Hydrogel Form, and Convert a Poor into a Good Emulsifier," Food Hydrocolloids, 21:319-328, 2007. 57 17. Bitter, T. and Muir

Work regulatory on he/she practices it he/she gives nuclear medicine in the oriental territory

International Nuclear Information System (INIS)

Mustelier, H.A.; Fornet, R.O.; Perez Gonzalez, F.; Perez Velazquez, R.S.; Miller, C.R.A.; De la Torre, R.A.

1998-01-01

The work refers the experience the Radiological Security inspectors group to the Delegation of Science Technology and Half Atmosphere Ministry (CITMA) in the Holguin province in regarding the radiological control to the nuclear medicine practice

CH{sub 4} dehydrogenation on Cu(1 1 1), Cu@Cu(1 1 1), Rh@Cu(1 1 1) and RhCu(1 1 1) surfaces: A comparison studies of catalytic activity

Energy Technology Data Exchange (ETDEWEB)

Zhang, Riguang; Duan, Tian [Key Laboratory of Coal Science and Technology of Ministry of Education and Shanxi Province, Taiyuan University of Technology, Taiyuan 030024, Shanxi (China); Ling, Lixia [Key Laboratory of Coal Science and Technology of Ministry of Education and Shanxi Province, Taiyuan University of Technology, Taiyuan 030024, Shanxi (China); Research Institute of Special Chemicals, Taiyuan University of Technology, Taiyuan 030024, Shanxi (China); Wang, Baojun, E-mail: wangbaojun@tyut.edu.cn [Key Laboratory of Coal Science and Technology of Ministry of Education and Shanxi Province, Taiyuan University of Technology, Taiyuan 030024, Shanxi (China)

2015-06-30

Highlights: • Adsorbed Rh atom on Cu catalyst exhibits better catalytic activity for CH{sub 4} dehydrogenation. • The adsorbed Rh atom is the reaction active center for CH{sub 4} dehydrogenation. • The morphology of Cu substrate has negligible effect on CH{sub 4} dehydrogenation. - Abstract: In the CVD growth of graphene, the reaction barriers of the dehydrogenation for hydrocarbon molecules directly decide the graphene CVD growth temperature. In this study, density functional theory method has been employed to comparatively probe into CH{sub 4} dehydrogenation on four types of Cu(1 1 1) surface, including the flat Cu(1 1 1) surface (labeled as Cu(1 1 1)) and the Cu(1 1 1) surface with one surface Cu atom substituted by one Rh atom (labeled as RhCu(1 1 1)), as well as the Cu(1 1 1) surface with one Cu or Rh adatom (labeled as Cu@Cu(1 1 1) and Rh@Cu(1 1 1), respectively). Our results show that the highest barrier of the whole CH{sub 4} dehydrogenation process is remarkably reduced from 448.7 and 418.4 kJ mol{sup −1} on the flat Cu(1 1 1) and Cu@Cu(1 1 1) surfaces to 258.9 kJ mol{sup −1} on RhCu(1 1 1) surface, and to 180.0 kJ mol{sup −1} on Rh@Cu(1 1 1) surface, indicating that the adsorbed or substituted Rh atom on Cu catalyst can exhibit better catalytic activity for CH{sub 4} complete dehydrogenation; meanwhile, since the differences for the highest barrier between Cu@Cu(1 1 1) and Cu(1 1 1) surfaces are smaller, the catalytic behaviors of Cu@Cu(1 1 1) surface are very close to the flat Cu(1 1 1) surface, suggesting that the morphology of Cu substrate does not obviously affect the dehydrogenation of CH{sub 4}, which accords with the reported experimental observations. As a result, the adsorbed or substituted Rh atom on Cu catalyst exhibit a better catalytic activity for CH{sub 4} dehydrogenation compared to the pure Cu catalyst, especially on Rh-adsorbed Cu catalyst, we can conclude that the potential of synthesizing high-quality graphene with the

Usher syndrome clinical characterization. Holguin province

OpenAIRE

Santana Hernández, Elayne Esther; Lantigua Cruz, Paulina Araceli

2016-01-01

Fundamento: El síndrome de Usher es una enfermedad determinada genéticamente, con una gran heterogeneidad clínica y genética; está caracterizada por hipoacusia neurosensorial de moderada a severa, retinosis pigmentaria progresiva y puede acompañarse de alteración vestibular. Por la alta prevalencia de esta enfermedad en la provincia de Holguín, se considera necesario este estudio. Objetivo: Caracterizar clínicamente todos los enfermos con diagnóstico clínico de síndrome de Usher en la provinc...

Pentacene on Au(1 1 1), Ag(1 1 1) and Cu(1 1 1): From physisorption to chemisorption.

Science.gov (United States)

Lu, Meng-Chao; Wang, Rong-Bin; Yang, Ao; Duhm, Steffen

2016-03-09

We measured the electronic and the molecular surface structure of pentacene deposited on the (1 1 1)-surfaces of coinage metals by means of ultraviolet photoelectron spectroscopy (UPS) and low-energy electron diffraction (LEED). Pentacene is almost flat-lying in monolayers on all three substrates and highly ordered on Au(1 1 1) and on Cu(1 1 1). On Ag(1 1 1), however, weak chemisorption leads to almost disordered monolayers, both, at room temperature and at 78 K. On Cu(1 1 1) pentacene is strongly chemisorbed and the lowest unoccupied molecular orbital becomes observable in UPS by a charge transfer from the substrate. On Ag(1 1 1) and Cu(1 1 1) multilayers adopt a tilted orientation and a high degree of crystallinity. On Au(1 1 1), most likely, also in multilayers the molecular short and long axes are parallel to the substrate, leading to a distinctively different electronic structure than on Ag(1 1 1) and Cu(1 1 1). Overall, it could be demonstrated that the substrate not only determines the geometric and electronic characteristics of molecular monolayer films but also plays a crucial role for multilayer film growth.

Metabolism of 1-fluoro-1,1,2-trichloroethane, 1,2-dichloro-1,1-difluoroethane, and 1,1,1-trifluoro-2-chloroethane.

Science.gov (United States)

Yin, H; Jones, J P; Anders, M W

1995-03-01

1-Fluoro-1,1,2-trichloroethane (HCFC-131a), 1,2-dichloro-1,1-difluoroethane (HCFC-132b), and 1,1,1-trifluoro-2-chloroethane (HCFC-133a) were chosen as models for comparative metabolism studies on 1,1,1,2-tetrahaloethanes, which are under consideration as replacements for ozone-depleting chlorofluorocarbons (CFCs). Male Fischer 344 rats were given 10 mmol/kg ip HCFC-131a or HCFC-132b or exposed by inhalation to 1% HCFC-133a for 2 h. Urine collected in the first 24 h after exposure was analyzed by 19F NMR and GC/MS and with a fluoride-selective ion electrode for the formation of fluorine-containing metabolites. Metabolites of HCFC-131a included 2,2-dichloro-2-fluoroethyl glucuronide, 2,2-dichloro-2-fluoroethyl sulfate, dichlorofluoroacetic acid, and inorganic fluoride. Metabolites of HCFC-132b were characterized as 2-chloro-2,2-difluoroethyl glucuronide, 2-chloro-2,2-difluoroethyl sulfate, chlorodifluoroacetic acid, chlorodifluoroacetaldehyde hydrate, chlorodifluoroacetaldehyde-urea adduct, and inorganic fluoride. HCFC-133a was metabolized to 2,2,2-trifluoroethyl glucuronide, trifluoroacetic acid, trifluoroacetaldehyde hydrate, trifluoroacetaldehyde-urea adduct, inorganic fluoride, and a minor, unidentified metabolite. With HCFC-131a and HCFC-132b, glucuronide conjugates of 2,2,2-trihaloethanols were the major urinary metabolites, whereas with HCFC-133a, a trifluoroacetaldehyde-urea adduct was the major urinary metabolite. Analysis of metabolite distribution in vivo indicated that aldehydic metabolites increased as fluorine substitution increased in the order HCFC-131a < HCFC-132b < HCFC-133a. With NADPH-fortified rat liver microsomes, HCFC-133a and HCFC-132b were biotransformed to trifluoroacetaldehyde and chlorodifluoroacetaldehyde, respectively, whereas HCFC-131a was converted to dichlorofluoroacetic acid. No covalently bound metabolites were detected by 19F NMR spectroscopy.(ABSTRACT TRUNCATED AT 250 WORDS)

Gibberellic acid and water regime in the flowering induction of Brassocattleya and Cattleya hybrid orchids Ácido giberélico e regime hídrico na indução do florescimento de orquídeas Brassocattleya e Cattleya híbridas

Directory of Open Access Journals (Sweden)

Jean C Cardoso

2010-12-01

Full Text Available The influence of gibberellic acid (GA3 and water regime was evaluated in the flowering induction and quality of two orchid hybrids belonging to the genera Cattleya (C. and Brassocattleya (Bc.. The experiment was carried out in the Biotechnology and Orchid Culture Sector of Shunji Nishimura Technology Foundation, Pompéia, São Paulo State, Brazil. Five GA3 concentrations (0, 125, 250, 500 and 1,000 mg L-1 were tested through four consecutive leaf applications in adult plants that had already flowered at least once, besides two water conditions (one and four irrigations per week. Applications were performed in October and November for Bc. Marcella Koss and in January and February for C. Irene Holguin. Flowering could not be induced in the latter by gibberellic acid. In Bc. Marcella Koss, the application of 250 mg L-1 GA3 combined with decreased irrigation frequency induced flowering in around 83% plants. By using the same GA3 concentration but frequent irrigation, only 17% plants were induced to flower. The number and size of flowers increased after application of higher GA3 concentrations. This work allowed developing a commercial technique with the use of gibberellic acid (GA3 to induce flowering in Bc. Marcella Koss hybrid orchid.No presente trabalho foi avaliada a influência do ácido giberélico e do regime hídrico na indução e qualidade do florescimento de duas orquídeas híbridas dos gêneros Cattleya (C. e Brassocattleya (Bc.. O experimento foi realizado no Setor de Biotecnologia e Orquidicultura da Fundação Shunji Nishimura de Tecnologia, Pompéia-SP. Foram testadas cinco concentrações de GA3 (0, 125, 250, 500 e 1.000 mg L-1 em quatro aplicações consecutivas via pulverização foliar, em plantas adultas que já haviam florescido ao menos uma vez, além de duas condições hídricas (uma e quatro irrigações por semana. As aplicações foram feitas nos meses de outubro e novembro para Bc. Marcella Koss e janeiro e fevereiro

Erratum A study of lightning activity over land and oceanic regions of ...

Indian Academy of Sciences (India)

Due to an oversight, figure 1 (p. 469) of the article was wrongly printed in the October 2009 issue. The correct figure 1 is shown below. The Web version of the original article (http://www.ias.ac.in/jess/ oct2009/d8je-157.pdf ) contains the correct figure. Figure 1. Map of India and the network of 66 land stations, six coastal ...

Radiological environmental study in area to future anthropogenic transformations

International Nuclear Information System (INIS)

Grinnan, T.; MIller, C.R.A.

1998-01-01

In this work the existent relationship is identified between the data radioecologics and the geological formations to the north area Holguin with the objective to study the possible incidence that this can have in the rate environmental dose in the event of transformations anthropogenic the place

Educational Modelling Language 1.1 (EML 1.1)

NARCIS (Netherlands)

Koper, Rob; Vogten, Hubert; Martens, Harrie

2003-01-01

Package contains the EML 1.1 dtd, schema and documentation as is created for the Edubox Player. It is slightly different from IMS Learning Design and provides an intermediate solution between EML 1.0 and IMD Learning Design. The Edubox Player 3.x works on EML 1.1. This package is stored for

Constructivism as the Framework for International Orders

Science.gov (United States)

2016-09-01

idea that each kingdom had a right to sovereign control of its territory, laying the groundwork for our modern concept of the state.5 These shared...Washington, DC: NDU Press, 2013), Chapter 1 “Deviant Globalization” by Nils Gilman, Jesse Goldhammer, and Steven Weber , 3.

Navigation of autonomous underwater vehicle using extended kalman filter

Digital Repository Service at National Institute of Oceanography (India)

Ranjan, T.N.; Nherakkol, A.; Navelkar, G.S.

-1 In "Trends in intelligent robotics". 13th FIRA Robot World Congress, FIRA 2010, Bangalore, India, September 15-17, 2010. Proceedings. eds. by: Vadakkepat, P.; Kim, J.-H.; Jesse, N.; Al Mamun, A.; Kiong, T.K.; Baltes, J.; Anderson, J.; Verner, I.; Ahlgren, D...

Liquid-air partition coefficients of 1,1-difluoroethane (HFC152a), 1,1,1-trifluoroethane (HFC143a), 1,1,1,2-tetrafluoroethane (HFC134a), 1,1,1,2,2-pentafluoroethane (HFC125) and 1,1,1,3,3-pentafluoropropane (HFC245fa).

Science.gov (United States)

Ernstgård, Lena; Lind, Birger; Andersen, Melvin E; Johanson, Gunnar

2010-01-01

Blood-air and tissue-blood coefficients (lambda) are essential to characterize the uptake and disposition of volatile substances, e.g. by physiologically based pharmacokinetic (PBPK) modelling. Highly volatile chemicals, including many hydrofluorocarbons (HFC) have low solubility in liquid media. These characteristics pose challenges for determining lambda values. A modified head-space vial equilibrium method was used to determine lambda values for five widely used HFCs. The method is based on automated head-space gas chromatography and injection of equal amount of chemical in two head-space vials with identical air phase volumes but different volumes of the liquid phase. The liquids used were water (physiological saline), fresh human blood, and olive oil. The average lambda values (n = 8) were as follows: 1,1-difluoroethane (HFC152a) - 1.08 (blood-air), 1.11 (water-air) and 5.6 (oil-air); 1,1,1-trifluoroethane (HFC143a) - 0.15, 0.15 and 1.90; 1,1,1,2-tetrafluoroethane (HFC134a) - 0.36, 0.35 and 3.5; 1,1,1,2,2-pentafluoroethane (HFC125) - 0.083, 0.074 and 1.71; and 1,1,1,3,3-pentafluoropropane (HFC245fa) - 0.62, 0.58 and 12.1. The lambda values appeared to be concentration-independent in the investigated range (2-200 ppm). In spite of the low lambda values, the method errors were modest, with coefficients of variation of 9, 11 and 10% for water, blood and oil, respectively.

The Journal of Earth System Science Education: Peer Review for Digital Earth and Digital Library Content

Science.gov (United States)

Johnson, D.; Ruzek, M.; Weatherley, J.

2001-05-01

The Journal of Earth System Science Education is a new interdisciplinary electronic journal aiming to foster the study of the Earth as a system and promote the development and exchange of interdisciplinary learning resources for formal and informal education. JESSE will serve educators and students by publishing and providing ready electronic access to Earth system and global change science learning resources for the classroom and will provide authors and creators with professional recognition through publication in a peer reviewed journal. JESSE resources foster a world perspective by emphasizing interdisciplinary studies and bridging disciplines in the context of the Earth system. The Journal will publish a wide ranging variety of electronic content, with minimal constraints on format, targeting undergraduate educators and students as the principal readership, expanding to a middle and high school audience as the journal matures. JESSE aims for rapid review and turn-around of resources to be published, with a goal of 12 weeks from submission to publication for resources requiring few changes. Initial publication will be on a quarterly basis until a flow of resource submissions is established to warrant continuous electronic publication. JESSE employs an open peer review process in which authors and reviewers discuss directly the acceptability of a resource for publication using a software tool called the Digital Document Discourse Environment. Reviewer comments and attribution will be available with the resource upon acceptance for publication. JESSE will also implement a moderated peer commentary capability where readers can comment on the use of a resource or make suggestions. In the development phase, JESSE will also conduct a parallel anonymous review of content to validate and ensure credibility of the open review approach. Copyright of materials submitted remains with the author, granting JESSE the non-exclusive right to maintain a copy of the resource

A comparative study of the adsorption and hydrogenation of acrolein on Pt(1 1 1), Ni(1 1 1) film and Pt Ni Pt(1 1 1) bimetallic surfaces

Science.gov (United States)

Murillo, Luis E.; Chen, Jingguang G.

In this study we have investigated the reaction pathways for the decomposition and hydrogenation of acrolein (CH 2dbnd CH-CH dbnd O) on Ni/Pt(1 1 1) surfaces under ultra-high vacuum (UHV) conditions using temperature programmed desorption (TPD) and high-resolution electron energy loss spectroscopy (HREELS). While gas-phase hydrogenation products are not observed from clean Pt(1 1 1), the subsurface Pt-Ni-Pt(1 1 1), with Ni residing below the first layer of Pt, is active for the self-hydrogenation of the C dbnd O bond to produce unsaturated alcohol (2-propenol) and the C dbnd C bond to produce saturated aldehyde (propanal), with the latter being the main hydrogenation product without the consecutive hydrogenation to saturated alcohol. For a thick Ni(1 1 1) film prepared on Pt(1 1 1), the self-hydrogenation yields for both products are lower than that from the Pt-Ni-Pt(1 1 1) surface. The presence of pre-adsorbed hydrogen further enhances the selectivity toward C dbnd O bond hydrogenation on the Pt-Ni-Pt(1 1 1) surface. In addition, HREELS studies of the adsorption of the two hydrogenation products, 2-propenol and propanal, are performed on the Pt-Ni-Pt(1 1 1) surface to identify the possible surface intermediates during the reaction of acrolein. The results presented here indicate that the hydrogenation activity and selectivity of acrolein on Pt(1 1 1) can be significantly modified by the formation of the bimetallic surfaces.

6,6'-(1E,1'E-((1R,2R-1,2-Diphenylethane-1,2-diylbis(azan-1-yl-1-ylidenebis(methan-1-yl-1-ylidenebis(2-tert-butyl-4-((trimethylsilylethynylphenol

Directory of Open Access Journals (Sweden)

David Díaz Díaz

2013-03-01

Full Text Available Functionalizable salen derivative, 6,6'-(1E,1'E-((1R,2R-1,2-diphenylethane-1,2-diylbis(azan-1-yl-1-ylidenebis(methan-1-yl-1-ylidenebis(2-tert-butyl-4-((trimethylsilyl ethyn-ylphenol (3, was synthesized by condensation between (1R,2R-1,2-diphenylethane-1,2-diamine (2 and 3-tert-butyl-2-hydroxy-5-((trimethylsilylethynyl benzaldehyde (1 under refluxing conditions. The title compound was characterized by 1H-NMR, 13C-NMR, FT-IR, high-resolution mass spectrometry, optical rotation and melting point determination.

Average energy expended per ion pair, exciton enhanced ionization (Jesse effect), electron drift velocity, average electron energy and scintillation in rare gas liquids

International Nuclear Information System (INIS)

Doke, T.; Hitachi, A.; Hoshi, Y.; Masuda, K.; Hamada, T.

1977-01-01

Precise measurements of W-values, the average energy expended per electron-hole pair in liquid Ar and Xe, were made by the electron-pulse method, and that in liquid Kr by the steady conduction current method. The results showed that the W-values were clearly smaller than those in gaseous Ar, Xe and Kr as predicted by Doke. The results can be explained by the conduction bands which exist in these rare gas liquids as well as in the solid state. The enhanced ionization yield was observed for Xe-doped liquid Ar, and it was attributed to the ionizing excitation transfer process from Ar excitons to doped Xe. This is very similar to the Jesse effect in the gas phase. The saturated value of the enhanced ionization was in good agreement with the theoretical value, and it provides strong evidence for the existence of the exciton states in liquid Ar. Fano factors in liquid Ar, Kr, Xe and Xe-doped liquid Ar have been estimated from the Fano Formula, and they were smaller than those in the gas phase. The drift velocity of electrons in liquid Ar, liquid Ar-gas mixtures and liquid Xe have been measured with gridded ionization chambers. The average electron energy in liquid Ar has been measured. The electron-induced scintillations of liquid Xe and Ar have been studied. (Kato, T.)

Proceedings of the Symposium on Current Concepts and Approaches on Animal Test Alternatives

Science.gov (United States)

1993-09-01

diagnostic laboratory. After publishing a series of papers on bovine tetany and mastitis , he joined the Medical Research Laboratory at Edgewood Arsenal in...Viability (Simons, 1981). f. Bovine Red Blood Cell/Hemolysis (Shadduck et. al., 1987). g. Mouse L929 fNbroblasts-Erythrocin C Staining (Frazier, 1988). h...1983). 3. Bovine Cornea/Corneal Opacity (Muir, 1984). 4. Proposed Mouse Eye/Permeability Test (Maurice and Singh, 1986). IV. INFLAMMATION/IMMUNITY 1

Juba teine "1+1 = 1"

Index Scriptorium Estoniae

2004-01-01

15. III Okupatsioonimuuseumis toimuva "1+1=1" teise ürituse kavast. Presentatsioonide õhtu keskendub konkreetse ruumikogemuse vahendamisele kunstis (helis, slaidi-installatsioonis, tänava-aktsioonis, skulptuuris, videos, filmis). Esinevad Cevdet Erek, Andres Lõo, Andres Kurg (arhitektuur ja interjöörid Marko Raadi filmis "Agent Sinikael") jt.

Probing the Ocean for Submarines. A History of the AN/SQS-26 Long-Range, Echo-Ranging Sonar. Second Edition

Science.gov (United States)

2010-01-01

to a second insulated electrode. For a receiver, Langevin used a waterproofed carbon microphone. By March 1916, he had achieved one-way acoustic...Navy Underwater Sound Laboratory, New London, CT, 24 February 1956 (UNCLASSIFIED). 19. M. Muir, Jr., Black Shoes and Blue Water: Surface Warfare...History of AN/SQS-26 Project at NUSC.” 60. Muir, Black Shoes and Blue Water, p. 131. 61. B. S. Blanchard and W. J. Fabrycky, Systems Engineering and

CO adsorption on PdGa(1 0 0), (1 1 1) and (1{sup ¯}1{sup ¯}1{sup ¯}) surfaces: A DFT study

Energy Technology Data Exchange (ETDEWEB)

Bechthold, P.; Ardhengi, J.S.; Juan, A., E-mail: cajuan@uns.edu.ar; González, E.A.; Jasen, P.V.

2014-10-01

Graphical abstract: - Highlights: • CO adsorption is top on Pd sites for all surfaces. • Our results agree with TDS peak at 210 K for PdGa (1{sup ¯}1{sup ¯}1{sup ¯}) attributed to CO-Pd bond. • Pd-CO bond is formed at expenses of metal-metal bond. No Ga-CO interaction is found. • A back-donation for all surfaces was detected. After adsorption Pd PDOS shift towards lower energies. • IR frequencies for the C-O adsorbed presents a red shift compared to gas phase. - Abstract: CO adsorption on (1 0 0), (1 1 1) and (1{sup ¯}1{sup ¯}1{sup ¯}) planes is analyzed using density functional theory (DFT) calculations. Changes in the electronic structure of these surfaces and CO bond after adsorption are also addressed here. CO is located on Pd atop geometry with a tilted configuration of 7.8° in the (1 0 0) plane, while in the (1 1 1) and (1{sup ¯}1{sup ¯}1{sup ¯}) are perpendicular to the surface. No direct interaction of CO with Ga is detected. The overlap population (OP) of Pd-Pd and Pd-Ga bond decreases as the new Pd-CO bond is formed. In all cases, the C-O bond length changes less than 1% compared to the vacuum but its strength decrease about 50% as determined by the changes in the OP. The effect of CO is limited to its first Pd neighbor. Analysis of orbital interaction reveals that Pd-CO bond mainly involves s-s and s-p orbitals with less participation of Pd 4d orbitals. Computed CO vibration frequencies after adsorption shows a red shift from vacuum towards 1972.9, 1990.4 and 1988.6 cm{sup −1} on (1 0 0), (1 1 1) and (1{sup ¯}1{sup ¯}1{sup ¯}) planes respectively, following the same trend that experimental data on the PdGa intermetallic compound.

Density functional study of hypophosphite adsorption on Ni (1 1 1) and Cu (1 1 1) surfaces

International Nuclear Information System (INIS)

Zeng Yue; Liu Shubin; Ou Lihui; Yi Jianlong; Yu Shanci; Wang Huixian; Xiao Xiaoming

2006-01-01

Surface structures and electronic properties of hypophosphite, H 2 PO 2 - , molecularly adsorbed on Ni(1 1 1) and Cu(1 1 1) surfaces are investigated in this work by density functional theory at B3LYP/6-31++g(d, p) level. We employ a four-metal-atom cluster as the simplified model for the surface and have fully optimized the geometry and orientation of H 2 PO 2 - on the metal cluster. Six stable orientations have been discovered on both Ni (1 1 1) and Cu (1 1 1) surfaces. The most stable orientation of H 2 PO 2 - was found to have its two oxygen atoms interact the surface with two P-O bonds pointing downward. Results of the Mulliken population analysis showed that the back donation from 3d orbitals of the transition metal substrate to the unfilled 3d orbital of the phosphorus atom in H 2 PO 2 - and 4s orbital's acceptance of electron donation from one lone pair of the oxygen atom in H 2 PO 2 - play very important roles in the H 2 PO 2 - adsorption on the transition metals. The averaged electron configuration of Ni in Ni 4 cluster is 4s 0.63 4p 0.02 3d 9.35 and that of Cu in Cu 4 cluster is 4s 1.00 4p 0.03 3d 9.97 . Because of this subtle difference of electron configuration, the adsorption energy is larger on the Ni surface than on the Cu surface. The amount of charge transfers due to above two donations is larger from H 2 PO 2 - to the Ni surface than to the Cu surface, leading to a more positively charged P atom in Ni n H 2 PO 2 - than in Cu n H 2 PO 2 - . These results indicate that the phosphorus atom in Ni n H 2 PO 2 - complex is easier to be attacked by a nucleophile such as OH - and subsequent oxidation of H 2 PO 2 - can take place more favorably on Ni substrate than on Cu substrate

CYP1A1, CYP1A2, SULT1A1 AND SULT1E1 ALLELIC POLYMORPHISM IN CASE OF GENITAL ENDOMETRIOSIS

Directory of Open Access Journals (Sweden)

Konstantin Sergeevich Kublinskiy

2016-02-01

Up-to-date molecular and genetic analyses reveal that women predisposed to genital endometriosis possess Allele G and Genotypes AG and GG of the polymorphic option A-4889G of the CYP1A1 gene and Allele A and Genotypes CA and AA of the polymorphic option C-734A of the CYP1A2 gene. The polymorphism of the promoter regions of the SULT1A1 (G-638A and SULT1E1 (C-174T genes is not associated with genital endometriosis in women.

Research

African Journals Online (AJOL)

raoul

13 févr. 2012 ... la violence conjugale envers les femmes dans la capitale malgache. ELVICA a interrogé ..... Jess F. Risk factors for injury to women from domestic violence against women. N Engl J Med. ... Studies in Family Planning. 2001; 32(1) ... practices: findings of a South African cross-sectional study. Soc Sci Med.

WOOD 1:1

DEFF Research Database (Denmark)

2013-01-01

Report from 1:1 workshop at Virserum Konsthall in May 2013 with a team of Master's students from Royal Academy of Fine Arts, School of Architecture, Dpt. 3.......Report from 1:1 workshop at Virserum Konsthall in May 2013 with a team of Master's students from Royal Academy of Fine Arts, School of Architecture, Dpt. 3....

Behavioral activation for dementia caregivers: scheduling pleasant events and enhancing communications

OpenAIRE

Au, Alma; Gallagher-Thompson, Dolores; Wong, Meng-Kong; Leung, Jess; Chan, Wai-Chi; Chan, Chun Chung; Lu, Hui-Jing; Lai, Man Kin; Chan, Kevin

2015-01-01

Alma Au,1,2 Dolores Gallagher-Thompson,3 Meng-Kong Wong,4 Jess Leung,4 Wai-Chi Chan,5 Chun Chung Chan,6 Hui-Jing Lu,1 Man Kin Lai,1 Kevin Chan11Department of Applied Social Sciences, 2Institute of Active Aging, The Hong Kong Polytechnic University, Hong Kong, People’s Republic of China; 3Department of Psychiatry and Behavioral Sciences and Geriatric Education Centre, School of Medicine, Stanford University, Stanford, CA, USA; 4Department of Psychiatry, United Christian Hosp...

Polymorphisms of UGT1A1*6, UGT1A1*27 & UGT1A1*28 in three major ethnic groups from Malaysia.

Science.gov (United States)

Teh, L K; Hashim, H; Zakaria, Z A; Salleh, M Z

2012-08-01

Genetic polymorphisms of uridine diphosphate glucuronyltransferase 1A1 (UGT1A1) have been associated with a wide variation of responses among patients prescribed with irinotecan. Lack of this enzyme is known to be associated with a high incidence of severe toxicity. The objective of this study was to investigate the prevalence of three different variants of UGT1A1 (UGT1A1*6, UGT1A1*27 and UGT1A1*28), which are associated with reduced enzyme activity and increased irinotecan toxicity, in the three main ethnic groups in Malaysia (Malays, Chinese and Indians). A total of 306 healthy unrelated volunteers were screened for UGT1A1*28, UGT1A1*6 and UGT1A1*27. Blood samples (5 ml) were obtained from each subject and DNA was extracted. PCR based methods were designed and validated for detection of UGT1A1*, UUGT1A1*27 and UUGT1A1*28. Direct DNA sequencing was performed to validate the results of randomly selected samples. Malays and Indian have two-fold higher frequency of homozygous of UGT1A1*28 (7TA/7TA) which was 8 and 8.8 per cent, respectively compared to the Chinese (4.9%). However, the distribution of UGT1A1*6 and UGT1A1*27 showed no significant differences among them. UGT1A1*27 which has not been detected in Caucasian and African American population, was found in the Malaysian Malays (3.33%) and Malaysian Chinese (2.0%). There was interethnic variability in the frequency of UGT1A1*28 in the Malaysian population. Our results suggest that genotyping of UUGT1A1*6, UGT1A1*28 and UGT1A1*27 need to be performed before patients are prescribed with irinotecan due to their high prevalence of allelic variant which could lead to adverse drug reaction.

Human kidney anion exchanger 1 interacts with adaptor-related protein complex 1 μ1A (AP-1 mu1A)

International Nuclear Information System (INIS)

Sawasdee, Nunghathai; Junking, Mutita; Ngaojanlar, Piengpaga; Sukomon, Nattakan; Ungsupravate, Duangporn; Limjindaporn, Thawornchai; Akkarapatumwong, Varaporn; Noisakran, Sansanee; Yenchitsomanus, Pa-thai

2010-01-01

Research highlights: → Trafficking defect of kAE1 is a cause of dRTA but trafficking pathway of kAE1 has not been clearly described. → Adaptor-related protein complex 1 μ1A (AP-1 mu1A) was firstly reported to interact with kAE1. → The interacting site for AP-1 mu1A on Ct-kAE1 was found to be Y904DEV907, a subset of YXXO motif. → AP-1 mu1A knockdown showed a marked reduction of kAE1 on the cell membrane and its accumulation in endoplasmic reticulum. → AP-1 mu1A has a critical role in kAE1 trafficking to the plasma membrane. -- Abstract: Kidney anion exchanger 1 (kAE1) mediates chloride (Cl - ) and bicarbonate (HCO 3 - ) exchange at the basolateral membrane of kidney α-intercalated cells. Impaired trafficking of kAE1 leads to defect of the Cl - /HCO 3 - exchange at the basolateral membrane and failure of proton (H + ) secretion at the apical membrane, causing a kidney disease - distal renal tubular acidosis (dRTA). To gain a better insight into kAE1 trafficking, we searched for proteins physically interacting with the C-terminal region of kAE1 (Ct-kAE1), which contains motifs crucial for intracellular trafficking, by a yeast two-hybrid (Y2H) system. An adaptor-related protein complex 1 μ1A (AP-1 mu1A) subunit was found to interact with Ct-kAE1. The interaction between either Ct-kAE1 or full-length kAE1 and AP-1 mu1A were confirmed in human embryonic kidney (HEK) 293T by co-immunoprecipitation, affinity co-purification, co-localization, yellow fluorescent protein (YFP)-based protein fragment complementation assay (PCA) and GST pull-down assay. The interacting site for AP-1 mu1A on Ct-kAE1 was found to be Y904DEV907, a subset of YXXO motif. Interestingly, suppression of endogenous AP-1 mu1A in HEK 293T by small interfering RNA (siRNA) decreased membrane localization of kAE1 and increased its intracellular accumulation, suggesting for the first time that AP-1 mu1A is involved in the kAE1 trafficking of kidney α-intercalated cells.

Human kidney anion exchanger 1 interacts with adaptor-related protein complex 1 {mu}1A (AP-1 mu1A)

Energy Technology Data Exchange (ETDEWEB)

Sawasdee, Nunghathai; Junking, Mutita [Division of Medical Molecular Biology and BIOTEC-Medical Biotechnology Unit, Department of Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700 (Thailand); Ngaojanlar, Piengpaga [Division of Medical Molecular Biology and BIOTEC-Medical Biotechnology Unit, Department of Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700 (Thailand); Department of Immunology and Graduate Program in Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700 (Thailand); Sukomon, Nattakan; Ungsupravate, Duangporn [Division of Medical Molecular Biology and BIOTEC-Medical Biotechnology Unit, Department of Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700 (Thailand); Limjindaporn, Thawornchai [Division of Medical Molecular Biology and BIOTEC-Medical Biotechnology Unit, Department of Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700 (Thailand); Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700 (Thailand); Akkarapatumwong, Varaporn [Institute of Molecular Biosciences, Mahidol University at Salaya Campus, Nakorn Pathom 73170 (Thailand); Noisakran, Sansanee [Division of Medical Molecular Biology and BIOTEC-Medical Biotechnology Unit, Department of Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700 (Thailand); Yenchitsomanus, Pa-thai, E-mail: grpye@mahidol.ac.th [Division of Medical Molecular Biology and BIOTEC-Medical Biotechnology Unit, Department of Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700 (Thailand)

2010-10-08

Research highlights: {yields} Trafficking defect of kAE1 is a cause of dRTA but trafficking pathway of kAE1 has not been clearly described. {yields} Adaptor-related protein complex 1 {mu}1A (AP-1 mu1A) was firstly reported to interact with kAE1. {yields} The interacting site for AP-1 mu1A on Ct-kAE1 was found to be Y904DEV907, a subset of YXXO motif. {yields} AP-1 mu1A knockdown showed a marked reduction of kAE1 on the cell membrane and its accumulation in endoplasmic reticulum. {yields} AP-1 mu1A has a critical role in kAE1 trafficking to the plasma membrane. -- Abstract: Kidney anion exchanger 1 (kAE1) mediates chloride (Cl{sup -}) and bicarbonate (HCO{sub 3}{sup -}) exchange at the basolateral membrane of kidney {alpha}-intercalated cells. Impaired trafficking of kAE1 leads to defect of the Cl{sup -}/HCO{sub 3}{sup -} exchange at the basolateral membrane and failure of proton (H{sup +}) secretion at the apical membrane, causing a kidney disease - distal renal tubular acidosis (dRTA). To gain a better insight into kAE1 trafficking, we searched for proteins physically interacting with the C-terminal region of kAE1 (Ct-kAE1), which contains motifs crucial for intracellular trafficking, by a yeast two-hybrid (Y2H) system. An adaptor-related protein complex 1 {mu}1A (AP-1 mu1A) subunit was found to interact with Ct-kAE1. The interaction between either Ct-kAE1 or full-length kAE1 and AP-1 mu1A were confirmed in human embryonic kidney (HEK) 293T by co-immunoprecipitation, affinity co-purification, co-localization, yellow fluorescent protein (YFP)-based protein fragment complementation assay (PCA) and GST pull-down assay. The interacting site for AP-1 mu1A on Ct-kAE1 was found to be Y904DEV907, a subset of YXXO motif. Interestingly, suppression of endogenous AP-1 mu1A in HEK 293T by small interfering RNA (siRNA) decreased membrane localization of kAE1 and increased its intracellular accumulation, suggesting for the first time that AP-1 mu1A is involved in the kAE1

Cs_7Sm_1_1[TeO_3]_1_2Cl_1_6 and Rb_7Nd_1_1[TeO_3]_1_2Br_1_6, the new tellurite halides of the tetragonal Rb_6LiNd_1_1[SeO_3]_1_2Cl_1_6 structure type

International Nuclear Information System (INIS)

Charkin, Dmitri O.; Black, Cameron; Downie, Lewis J.; Sklovsky, Dmitry E.; Berdonosov, Peter S.; Olenev, Andrei V.; Zhou, Wuzong; Lightfoot, Philip; Dolgikh, Valery A.

2015-01-01

Two new rare-earth – alkali – tellurium oxide halides were synthesized by a salt flux technique and characterized by single-crystal X-ray diffraction. The structures of the new compounds Cs_7Sm_1_1[TeO_3]_1_2Cl_1_6 (I) and Rb_7Nd_1_1[TeO_3]_1_2Br_1_6 (II) (both tetragonal, space group I4/mcm) correspond to the sequence of [MLn_1_1(TeO_3)_1_2] and [M_6X_1_6] layers and bear very strong similarities to those of known selenite analogs. We discuss the trends in similarities and differences in compositions and structural details between the Se and Te compounds; more members of the family are predicted. - Graphical abstract: Two new rare-earth – alkali – tellurium oxide halides were predicted and synthesized. - Highlights: • Two new rare-earth – alkali – tellurium oxide halides were synthesized. • They adopt slab structure of rare earth-tellurium-oxygen and CsCl-like slabs. • The Br-based CsCl-like slabs have been observed first in this layered family.

Assessment of the population effective dose from the diagnostic use of radiopharmaceuticals in Cuba

International Nuclear Information System (INIS)

Brigido, O.; Montalvan, A.

2008-01-01

In an attempt to estimate the effective collective dose imparted to the population of Camaguey, Ciego de Avila, Las Tunas and Holguin territory, Cuba, has been made use of statistic from nuclear medicine examinations given to a population of 1.1 million inhabitants for the years 1995 through 1999. The average annual frequency of examinations was estimated to be 3.82 per 1000 population. The results show that nuclear medicine techniques of thyroid explorations with 43.73% and iodide uptake with 43.36% are the main techniques implicated in the relative contribution to the total annual effective collective dose which averaged 54.43 man·Sv for the studied period. Radiation risks for the Camaguey-Ciego de Avila population caused by nuclear medicine examinations in the period studied were calculated: the total number of fatal and non-fatal cancers was 16.33 and the number of serious hereditary disturbance was 3.54 as a result of 21073 nuclear medicine procedures. (author)

Thermochemistry of 1,1,3,3-tetramethylguanidine and 1,1,3,3-tetramethylguanidinium nitrate

International Nuclear Information System (INIS)

Vitorino, Joana; Agapito, Filipe; Piedade, M. Fátima M.; Bernardes, Carlos E.S.; Diogo, Hermínio P.; Leal, João P.

2014-01-01

Graphical abstract: - Highlights: • The enthalpy of formation of 1,1,3,3-tetramethylguanidinium nitrate was determined by combustion calorimetry. • The cohesive energy of liquid 1,1,3,3-tetramethylguanidinium nitrate was evaluated. • The crystal structure of 1,1,3,3-tetramethylguanidinium nitrate was determined by single crystal X-ray diffraction. • Δ f H m o (l/g) of 1,1,3,3-tetramethylguanidine (tmg) were obtained by solution and Calvet calorimetry. • Δ f H m o (g) calculated by the W1-F12 procedure was in excellent agreement with the corresponding experimental value. - Abstract: Considerable efforts have recently been made to investigate how the structure of protic ionic liquids determines some of their most important properties for technological applications (e.g. low vapour pressure, conductivity). In contrast, the assessment of cohesive energies (which are also linked to those properties) based on thermodynamic results is still practically unexplored. This problem is addressed here for 1,1,3,3-tetramethylguanidinium nitrate, [Htmg][NO 3 ], through a combination of experimental and computational chemistry results at the reference temperature of 298.15 K. The standard molar enthalpies of formation, Δ f H m o ([Htmg][NO 3 ],cr)=-(311.8±2.3)kJ·mol -1 , and fusion, Δ fus H m o ([Htmg][NO 3 ])=16.2±3.8kJ·mol -1 , of solid 1,1,3,3-tetramethylguanidinium nitrate (form I polymorph) were obtained by combustion and differential scanning calorimetry, respectively. From these results Δ f H m o ([Htmg][NO 3 ],l)=-(295.6±4.4)kJ·mol -1 could be derived. Also determined were the standard molar enthalpies of formation, Δ f H m o (tmg, l)=7.7±2.8kJ·mol -1 , and vaporisation, Δ vap H m o (tmg,l)=50.0±1.2kJ·mol -1 , of 1,1,3,3-tetramethylguanidine, by reaction solution and Calvet-drop microcalorimetry, respectively, leading to Δ f H m o (tmg,g)=57.7±3.0kJ·mol -1 . This result is in excellent agreement with Δ f H m o (tmg,g)=58.4±4.0kJ·mol -1

Studio 1:1

Index Scriptorium Estoniae

2011-01-01

Projekteerimis- ja disainistuudiost STUDIO 1:1 (Eindhoven), mis tegeleb avaliku ruumi loomise ja selle kasutamise kujundamisega. Projektidest "Linnulinn - linn lindude segakogukonna jaoks" ja ICT kogemuskeskus "De Verdieping"

Cloning and tissue expression of cytochrome P450 1B1 and 1C1 ...

African Journals Online (AJOL)

Cytochrome P450 1 (CYP1) is widely used as an indicator of exposure to environmental contaminants. In the study, two full-length complementary DNAs encode for CYP1B1 and CYP1C1 were cloned from medaka liver exposed to 500 ppb β-naphthoflavone for 24 h. CYP1B1, having 1984 bp, contains an open reading ...

An Application of the Sugar-Potassium Chlorate Reaction

Science.gov (United States)

Ault, Addison

2001-08-01

Muir later said that "Although I was four years at the University, I did not take the regular course of studies, but instead picked out what I thought would be most useful to me, particularly chemistry, which opened a new world, and mathematics and physics, a little Greek and Latin, botany, and geology." Literature Cited Eliason, R.; Lee, E. J.; Wakefield, D.; Bergren, A. J. Chem. Educ. 2000, 77, 1581-1583. Muir, J. The Story of My Boyhood and Youth; Sierra Club Books: San Francisco, 1989; pp 154, 155.

Improving surface smoothness and photoluminescence of CdTe(1 1 1)A on Si(1 1 1) substrates grown by molecular beam epitaxy using Mn atoms

International Nuclear Information System (INIS)

Wang, Jyh-Shyang; Tsai, Yu-Hsuan; Chen, Chang-Wei; Dai, Zi-Yuan; Tong, Shih-Chang; Yang, Chu-Shou; Wu, Chih-Hung; Yuan, Chi-Tsu; Shen, Ji-Lin

2014-01-01

Highlights: • CdTe(1 1 1)A epilayers were grown on Si(1 1 1) substrates by molecular beam epitaxy. • We report an enhanced growth using Mn atoms. • The significant improvements in surface quality and optical properties were found. - Abstract: This work demonstrates an improvement of the molecular beam epitaxial growth of CdTe(1 1 1)A epilayer on Si(1 1 1) substrates using Mn atoms. The reflection high-energy electron diffraction patterns show that the involvement of some Mn atoms in the growth of CdTe(1 1 1)A is even more effective than the use of a buffer layer with a smooth surface for forming good CdTe(1 1 1)A epilayers. 10 K Photoluminescence spectra show that the incorporation of only 2% Mn significantly reduced the intensity of defect-related emissions and considerably increased the integral intensity of exciton-related emissions by a large factor of about 400

Determination of taste receptor type 1 member 1 (TAS1R1) gene ...

African Journals Online (AJOL)

Jane

2011-10-10

Oct 10, 2011 ... 1Institute of Cellular and Molecular Biology, College of Life Science, Xuzhou Normal University, ... TAS1R1 and TAS1R3 form an L-amino acid sensor, ... 0.5 × TBE buffer (89 mM tris–borate, 2 mM EDTA, pH 8.3) for 2 h at.

Polarity driven morphology of CeO2(1 0 0) islands on Cu(1 1 1)

International Nuclear Information System (INIS)

Stetsovych, O.; Beran, J.; Dvořák, F.; Mašek, K.; Mysliveček, J.; Matolín, V.

2013-01-01

Thin ceria films supported by metal substrates represent important model systems for reactivity studies in heterogeneous catalysis. Here we report the growth study of the polar CeO 2 (1 0 0) phase as part of a mixed CeO 2 (1 1 1)–CeO 2 (1 0 0) thin film supported by Cu(1 1 1). The two ceria phases grow on different areas of the substrate, what allows a reliable growth characterization of the CeO 2 (1 0 0) islands on Cu(1 1 1). Scanning tunneling microscopy measurements reveal CeO 2 (1 0 0) to grow in the form of highly dispersed three dimensional (3D) islands on a CeO 2 (1 0 0) interfacial layer. The CeO 2 (1 0 0) islands exhibit a 2 × 2 surface reconstruction. The presence of the surface reconstruction together with the highly dispersed growth of CeO 2 (1 0 0) islands corresponds to the requirement for compensation of the surface dipole moment on the CeO 2 (1 0 0). CeO 2 (1 0 0) islands are further characterized by reflection high energy electron diffraction yielding their epitaxial relations with respect to the Cu(1 1 1) substrate. The growth of well characterized CeO 2 (1 0 0) islands supported by Cu(1 1 1) represents a starting point for developing a novel template for structure-related reactivity studies of ceria based model catalysts.

A comparative study on GM (1,1) and FRMGM (1,1) model in forecasting FBM KLCI

Science.gov (United States)

Ying, Sah Pei; Zakaria, Syerrina; Mutalib, Sharifah Sakinah Syed Abd

2017-11-01

FTSE Bursa Malaysia Kuala Lumpur Composite Index (FBM KLCI) is a group of indexes combined in a standardized way and is used to measure the Malaysia overall market across the time. Although composite index can give ideas about stock market to investors, it is hard to predict accurately because it is volatile and it is necessary to identify a best model to forecast FBM KLCI. The objective of this study is to determine the most accurate forecasting model between GM (1,1) model and Fourier Residual Modification GM (1,1) (FRMGM (1,1)) model to forecast FBM KLCI. In this study, the actual daily closing data of FBM KLCI was collected from January 1, 2016 to March 15, 2016. GM (1,1) model and FRMGM (1,1) model were used to build the grey model and to test forecasting power of both models. Mean Absolute Percentage Error (MAPE) was used as a measure to determine the best model. Forecasted value by FRMGM (1,1) model do not differ much than the actual value compare to GM (1,1) model for in-sample and out-sample data. Results from MAPE also show that FRMGM (1,1) model is lower than GM (1,1) model for in-sample and out-sample data. These results shown that FRMGM (1,1) model is better than GM (1,1) model to forecast FBM KLCI.

Epitaxial growth of Co(0 0 0 1)hcp/Fe(1 1 0)bcc magnetic bi-layer films on SrTiO3(1 1 1) substrates

International Nuclear Information System (INIS)

Ohtake, Mitsuru; Shikada, Kouhei; Kirino, Fumiyoshi; Futamoto, Masaaki

2008-01-01

Co(0 0 0 1) hcp /Fe(1 1 0) bcc epitaxial magnetic bi-layer films were successfully prepared on SrTiO 3 (1 1 1) substrates. The crystallographic properties of Co/Fe epitaxial magnetic bi-layer films were investigated. Fe(1 1 0) bcc soft magnetic layer grew epitaxially on SrTiO 3 (1 1 1) substrate with two type variants, Nishiyama-Wasserman and Kurdjumov-Sachs relationships. An hcp-Co single-crystal layer is obtained on Ru(0 0 0 1) hcp interlayer, while hcp-Co layer formed on Au(1 1 1) fcc or Ag(1 1 1) fcc interlayer is strained and may involve fcc-Co phase. It has been shown possible to prepare Co/Fe epitaxial magnetic bi-layer films which can be usable for patterned media application

Crystal structure of 4,4′-bis[3-(piperidin-1-ylprop-1-yn-1-yl]-1,1′-biphenyl

Directory of Open Access Journals (Sweden)

Anqi Walbaum

2017-06-01

Full Text Available The title compound, C28H32N2, (I, is one of a second generation of compounds designed and synthesized based on a very potent and selective α9α10 nicotinic acetylcholine receptor antagonist ZZ161C {1,1′-[[1,1′-biphenyl]-4,4′-diylbis(prop-2-yne-3,1-diyl]bis(3,4-dimethylpyridin-1-ium bromide}, which has shown analgesic effects in a chemotherapy-induced neuropathy animal model. Compound (I was synthesized by the reaction of 4,4′-bis(3-bromoprop-1-yn-1-yl-1,1′-biphenyl with piperidine at room temperature in acetonitrile. The single-crystal used for X-ray analysis was obtained by dissolving (I in a mixture of dichloromethane and methanol, followed by slow evaporation of the solvent. In the crystal of (I, the biphenyl moiety has a twisted conformation, with a dihedral angle of 25.93 (4° between the benzene rings. Both piperidine head groups in (I are in the chair conformation and are oriented so that the N-atom lone pairs of each piperidine group point away from the central biphenyl moiety.

Sobre "La tortuga" de Andrés Holguin

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José Puben

1961-04-01

Full Text Available Andrés Holguín no es el primero y, ciertamente, no será el último escritor contemporáneo que, interesado por el problema de los animales que han logrado dimensión fantástica, se proponga, con interés intelectual, analizar e investigar la dimensión e importancia de un animal en la historia de la cultura.

Microwave assisted synthesis and antimicrobial activity of novel 1-[1/2-(1-Benzyl-1H-[1,2,3]triazol-4-ylmethoxy-naphthalen-2/1-yl]-3-(1-phenyl-3-aryl-1H-pyrazol-4-yl-propenones

Directory of Open Access Journals (Sweden)

Dongamanti Ashok

2015-06-01

Full Text Available A series of novel 1-[1/2-(1-Benzyl-1H-[1,2,3]triazol-4-ylmethoxy-naphthalen-2/1-yl]-3-(1-phenyl-3-aryl-1H-pyrazol-4-yl-propenones were design and synthesized by Click reaction followed by Claisen-Schmidt condensation under microwave irradiation and conventional heating methods. The structures of newly synthesized compounds have been established on the basis of elemental analysis, IR, 1H & 13C NMR and mass spectral data. All the compounds were screened for their antimicrobial activity.

Dimensionality effects on magnetic properties of FexCo1-x nanoclusters on Pt(1 1 1)

Science.gov (United States)

Miranda, I. P.; Igarashi, R. N.; Klautau, A. B.; Petrilli, H. M.

2017-11-01

The behavior of local magnetic moments and exchange coupling parameters of FexCo1-x nanostructures (nanowires and compact clusters) on the fcc Pt(1 1 1) surface is here investigated using the first-principles real-space RS-LMTO-ASA method, in the framework of the DFT. Different configurations of FexCo1-x trimers and heptamers on Pt(1 1 1) are considered, varying the positions and the concentration of Fe or Co atoms. We discuss the influence of dimensionality and stoichiometry changes on the magnetic properties, specially on the orbital moments, which are very important in establishing a nanoscopic understanding of delocalized electron systems. We demonstrate the existence of a strictly decreasing nonlinear trend of the average orbital moments with the Fe concentration for the compact clusters, different from what was found for FexCo1-x nanowires on Pt(1 1 1) and also for corresponding higher-dimensional systems (FexCo1-x monolayer on Pt(1 1 1) and FexCo1-x bulk). The average spin moments, however, are invariably described by a linear function with respect to stoichiometry. In all studied cases, the nearest neighbors exchange couplings have shown to be strongly ferromagnetic.

Transformation of 1,1,1-trichloroethane in an anaerobic packed-bed reactor at various concentrations of 1,1,1-trichloroethane, acetate and sulfate

NARCIS (Netherlands)

deBest, JH; Jongema, H; Weijling, A; Doddema, HJ; Janssen, DB; Harder, W

Biotransformation of 1,1,1-trichloroethane (CH3CCl3) was observed in an anaerobic packed-bed reactor under conditions of both sulfate reduction and methanogenesis. Acetate (1 mM) served as an electron donor. CH3CCl3 was completely converted up to the highest investigated concentration of 10 mu M.

On Euclidean connections for su(1,1), suq(1,1) and the algebraic approach to scattering

International Nuclear Information System (INIS)

Ionescu, R.A.

1994-11-01

We obtain a general Euclidean connection for su(1,1) and suq(1,1) algebras. Our Euclidean connection allows an algebraic derivation for the S matrix. These algebraic S matrices reduce to the known ones in suitable circumstances. Also, we obtain a map between su(1,1) and su q (1,1) representations. (author). 8 refs

16 CFR 1.1 - Policy.

Science.gov (United States)

2010-01-01

... 16 Commercial Practices 1 2010-01-01 2010-01-01 false Policy. 1.1 Section 1.1 Commercial Practices FEDERAL TRADE COMMISSION ORGANIZATION, PROCEDURES AND RULES OF PRACTICE GENERAL PROCEDURES Industry... substantial or novel question of fact or law and there is no clear Commission or court precedent; or (2) The...

1+1 Gaudin Model

Directory of Open Access Journals (Sweden)

Andrei V. Zotov

2011-07-01

Full Text Available We study 1+1 field-generalizations of the rational and elliptic Gaudin models. For sl(N case we introduce equations of motion and L-A pair with spectral parameter on the Riemann sphere and elliptic curve. In sl(2 case we study the equations in detail and find the corresponding Hamiltonian densities. The n-site model describes n interacting Landau-Lifshitz models of magnets. The interaction depends on position of the sites (marked points on the curve. We also analyze the 2-site case in its own right and describe its relation to the principal chiral model. We emphasize that 1+1 version impose a restriction on a choice of flows on the level of the corresponding 0+1 classical mechanics.

S1P in HDL promotes interaction between SR-BI and S1PR1 and activates S1PR1-mediated biological functions: calcium flux and S1PR1 internalization.

Science.gov (United States)

Lee, Mi-Hye; Appleton, Kathryn M; El-Shewy, Hesham M; Sorci-Thomas, Mary G; Thomas, Michael J; Lopes-Virella, Maria F; Luttrell, Louis M; Hammad, Samar M; Klein, Richard L

2017-02-01

HDL normally transports about 50-70% of plasma sphingosine 1-phosphate (S1P), and the S1P in HDL reportedly mediates several HDL-associated biological effects and signaling pathways. The HDL receptor, SR-BI, as well as the cell surface receptors for S1P (S1PRs) may be involved partially and/or completely in these HDL-induced processes. Here we investigate the nature of the HDL-stimulated interaction between the HDL receptor, SR-BI, and S1PR1 using a protein-fragment complementation assay and confocal microscopy. In both primary rat aortic vascular smooth muscle cells and HEK293 cells, the S1P content in HDL particles increased intracellular calcium concentration, which was mediated by S1PR1. Mechanistic studies performed in HEK293 cells showed that incubation of cells with HDL led to an increase in the physical interaction between the SR-BI and S1PR1 receptors that mainly occurred on the plasma membrane. Model recombinant HDL (rHDL) particles formed in vitro with S1P incorporated into the particle initiated the internalization of S1PR1, whereas rHDL without supplemented S1P did not, suggesting that S1P transported in HDL can selectively activate S1PR1. In conclusion, these data suggest that S1P in HDL stimulates the transient interaction between SR-BI and S1PRs that can activate S1PRs and induce an elevation in intracellular calcium concentration.

40 CFR 721.10086 - Ethane, 2-(difluoromethoxy)-1,1,1-trifluoro-.

Science.gov (United States)

2010-07-01

... 40 Protection of Environment 30 2010-07-01 2010-07-01 false Ethane, 2-(difluoromethoxy)-1,1,1... Specific Chemical Substances § 721.10086 Ethane, 2-(difluoromethoxy)-1,1,1-trifluoro-. (a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified as ethane, 2...

Shikonin regulates C-MYC and GLUT1 expression through the MST1-YAP1-TEAD1 axis

Energy Technology Data Exchange (ETDEWEB)

Vališ, Karel, E-mail: karel.valis@biomed.cas.cz [Laboratory of Structural Biology and Cell Signaling, Institute of Microbiology, v.v.i., The Czech Academy of Sciences, Prague (Czech Republic); Faculty of Science, Charles University, Prague (Czech Republic); Talacko, Pavel; Grobárová, Valéria [Laboratory of Structural Biology and Cell Signaling, Institute of Microbiology, v.v.i., The Czech Academy of Sciences, Prague (Czech Republic); Faculty of Science, Charles University, Prague (Czech Republic); Černý, Jan [Faculty of Science, Charles University, Prague (Czech Republic); Novák, Petr, E-mail: pnovak@biomed.cas.cz [Laboratory of Structural Biology and Cell Signaling, Institute of Microbiology, v.v.i., The Czech Academy of Sciences, Prague (Czech Republic); Faculty of Science, Charles University, Prague (Czech Republic)

2016-12-10

The general mechanism underlying the tumor suppressor activity of the Hippo signaling pathway remains unclear. In this study, we explore the molecular mechanisms connecting the Hippo signaling pathway with glucose metabolism. We have found that two key regulators of glycolysis, C-MYC and GLUT1, are targets of the Hippo signaling pathway in human leukemia cells. Our results revealed that activation of MST1 by the natural compound shikonin inhibited the expression of GLUT1 and C-MYC. Furthermore, RNAi experiments confirmed the regulation of GLUT1 and C-MYC expression via the MST1-YAP1-TEAD1 axis. Surprisingly, YAP1 was found to positively regulate C-MYC mRNA levels in complex with TEAD1, while it negatively regulates C-MYC levels in cooperation with MST1. Hence, YAP1 serves as a rheostat for C-MYC, which is regulated by MST1. In addition, depletion of MST1 stimulates lactate production, whereas the specific depletion of TEAD1 has an opposite effect. The inhibition of lactate production and cellular proliferation induced by shikonin also depends on the Hippo pathway activity. Finally, a bioinformatic analysis revealed conserved TEAD-binding motifs in the C-MYC and GLUT1 promoters providing another molecular data supporting our observations. In summary, regulation of glucose metabolism could serve as a new tumor suppressor mechanism orchestrated by the Hippo signaling pathway. - Highlights: • Shikonin inhibits C-MYC and GLUT1 expression in MST1 and YAP1 dependent manner. • YAP1-TEAD1 interaction activates C-MYC and GLUT1 expression. • MST1 in cooperation with YAP1 inhibits C-MYC and GLUT1 expression. • MST1-YAP1-TEAD1 axis regulates lactate production by leukemic cells. • MST1 and YAP1 proteins block proliferation of leukemic cells.

Calculated trends and the atmospheric abundance of 1,1,1,2-tetrafluoroethane, 1,1-dichloro-1-fluoroethane, and 1-chloro-1,1-difluoroethane using automated in-situ gas chromatography-mass spectrometry measurements recorded at Mace Head, Ireland, from October 1994 to March 1997

Science.gov (United States)

Simmonds, P. G.; O'Doherty, S.; Huang, J.; Prinn, R.; Derwent, R. G.; Ryall, D.; Nickless, G.; Cunnold, D.

1998-01-01

The first in-situ measurements by automated gas chromatograph-mass spectrometer are reported for 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1-dichloro-1-fluoroethane, (HCFC-141b), and 1-chloro-1,1-difluoroethane, (HCFC-142b). These compounds are steadily replacing the chlorofluorocarbons (CFCs) as refrigerants, foam-blowing agents, and solvents. The concentrations of all three compounds are shown to be rapidly increasing in the atmosphere, with 134a increasing at a rate of 2.05±0.02 ppt yr-1 over the 30 months of observations. Similarly, 141b and 142b increased at rates of 2.49±0.03 and 1.24±0.02 ppt yr-1, respectively, over the same period. The concentrations recorded at the atmospheric research station at Mace Head, Ireland, on January 1, 1996, the midpoint of the time series, were 3.67 ppt (134a), 7.38 ppt (141b), and 8.78 ppt (142b). From these observations we optimally estimate the HCFC and HFC emissions using a 12-box global model and OH concentrations derived from global 1,1,1-trichloroethane (CCl3CH3) measurements. Comparing two methods of estimating emissions with independent industry estimates shows satisfactory agreement for 134a and 141b, while for 142b, industry estimates are less than half those required to explain our observations.

Polarity driven morphology of CeO{sub 2}(1 0 0) islands on Cu(1 1 1)

Energy Technology Data Exchange (ETDEWEB)

Stetsovych, O., E-mail: stetsovycholeksandr@gmail.com; Beran, J.; Dvořák, F.; Mašek, K.; Mysliveček, J., E-mail: Josef.Myslivecek@mff.cuni.cz; Matolín, V.

2013-11-15

Thin ceria films supported by metal substrates represent important model systems for reactivity studies in heterogeneous catalysis. Here we report the growth study of the polar CeO{sub 2}(1 0 0) phase as part of a mixed CeO{sub 2}(1 1 1)–CeO{sub 2}(1 0 0) thin film supported by Cu(1 1 1). The two ceria phases grow on different areas of the substrate, what allows a reliable growth characterization of the CeO{sub 2}(1 0 0) islands on Cu(1 1 1). Scanning tunneling microscopy measurements reveal CeO{sub 2}(1 0 0) to grow in the form of highly dispersed three dimensional (3D) islands on a CeO{sub 2}(1 0 0) interfacial layer. The CeO{sub 2}(1 0 0) islands exhibit a 2 × 2 surface reconstruction. The presence of the surface reconstruction together with the highly dispersed growth of CeO{sub 2}(1 0 0) islands corresponds to the requirement for compensation of the surface dipole moment on the CeO{sub 2}(1 0 0). CeO{sub 2}(1 0 0) islands are further characterized by reflection high energy electron diffraction yielding their epitaxial relations with respect to the Cu(1 1 1) substrate. The growth of well characterized CeO{sub 2}(1 0 0) islands supported by Cu(1 1 1) represents a starting point for developing a novel template for structure-related reactivity studies of ceria based model catalysts.

Genetic regulation of IL1RL1 methylation and IL1RL1-a protein levels in asthma.

Science.gov (United States)

Dijk, F Nicole; Xu, Chengjian; Melén, Erik; Carsin, Anne-Elie; Kumar, Asish; Nolte, Ilja M; Gruzieva, Olena; Pershagen, Goran; Grotenboer, Neomi S; Savenije, Olga E M; Antó, Josep Maria; Lavi, Iris; Dobaño, Carlota; Bousquet, Jean; van der Vlies, Pieter; van der Valk, Ralf J P; de Jongste, Johan C; Nawijn, Martijn C; Guerra, Stefano; Postma, Dirkje S; Koppelman, Gerard H

2018-03-01

Interleukin-1 receptor-like 1 ( IL1RL1 ) is an important asthma gene. (Epi)genetic regulation of IL1RL1 protein expression has not been established. We assessed the association between IL1RL1 single nucleotide polymorphisms (SNPs), IL1RL1 methylation and serum IL1RL1-a protein levels, and aimed to identify causal pathways in asthma.Associations of IL1RL1 SNPs with asthma were determined in the Dutch Asthma Genome-wide Association Study cohort and three European birth cohorts, BAMSE (Children/Barn, Allergy, Milieu, Stockholm, an Epidemiological survey), INMA (Infancia y Medio Ambiente) and PIAMA (Prevention and Incidence of Asthma and Mite Allergy), participating in the Mechanisms of the Development of Allergy study. We performed blood DNA IL1RL1 methylation quantitative trait locus (QTL) analysis (n=496) and (epi)genome-wide protein QTL analysis on serum IL1RL1-a levels (n=1462). We investigated the association of IL1RL1 CpG methylation with asthma (n=632) and IL1RL1-a levels (n=548), with subsequent causal inference testing. Finally, we determined the association of IL1RL1-a levels with asthma and its clinical characteristics (n=1101). IL1RL1 asthma-risk SNPs strongly associated with IL1RL1 methylation (rs1420101; p=3.7×10 -16 ) and serum IL1RL1-a levels (p=2.8×10 -56 ). IL1RL1 methylation was not associated with asthma or IL1RL1-a levels. IL1RL1-a levels negatively correlated with blood eosinophil counts, whereas there was no association between IL1RL1-a levels and asthma.In conclusion, asthma-associated IL1RL1 SNPs strongly regulate IL1RL1 methylation and serum IL1RL1-a levels, yet neither these IL1RL1- methylation CpG sites nor IL1RL1-a levels are associated with asthma. Copyright ©ERS 2018.

S1P in HDL promotes interaction between SR-BI and S1PR1 and activates S1PR1-mediated biological functions: calcium flux and S1PR1 internalization[S

Science.gov (United States)

Lee, Mi-Hye; Appleton, Kathryn M.; El-Shewy, Hesham M.; Sorci-Thomas, Mary G.; Thomas, Michael J.; Lopes-Virella, Maria F.; Luttrell, Louis M.; Hammad, Samar M.; Klein, Richard L.

2017-01-01

HDL normally transports about 50–70% of plasma sphingosine 1-phosphate (S1P), and the S1P in HDL reportedly mediates several HDL-associated biological effects and signaling pathways. The HDL receptor, SR-BI, as well as the cell surface receptors for S1P (S1PRs) may be involved partially and/or completely in these HDL-induced processes. Here we investigate the nature of the HDL-stimulated interaction between the HDL receptor, SR-BI, and S1PR1 using a protein-fragment complementation assay and confocal microscopy. In both primary rat aortic vascular smooth muscle cells and HEK293 cells, the S1P content in HDL particles increased intracellular calcium concentration, which was mediated by S1PR1. Mechanistic studies performed in HEK293 cells showed that incubation of cells with HDL led to an increase in the physical interaction between the SR-BI and S1PR1 receptors that mainly occurred on the plasma membrane. Model recombinant HDL (rHDL) particles formed in vitro with S1P incorporated into the particle initiated the internalization of S1PR1, whereas rHDL without supplemented S1P did not, suggesting that S1P transported in HDL can selectively activate S1PR1. In conclusion, these data suggest that S1P in HDL stimulates the transient interaction between SR-BI and S1PRs that can activate S1PRs and induce an elevation in intracellular calcium concentration. PMID:27881715

resources 1..1

Indian Academy of Sciences (India)

http://www.ias.ac.in/jgenet/OnlineResources/90/e34.pdf. Morinha F., Carvalho M., Ferro A., Guedes-Pinto H., Rodrigues R. and Bastos E. 2011 Molecular sexing and analysis of CHD1-Z and. CHD1-W sequence variations in wild common quail (Coturnix c. coturnix) and domesticated Japanese quail (Coturnix c. japonica).

Helium diffraction study of pentacene films on Au(1 1 1)

Energy Technology Data Exchange (ETDEWEB)

Albayrak, E. [Department of Materials and Metallurgical Engineering, Ahi Evran University, Kırşehir 40000 (Turkey); Danışman, M.F., E-mail: danisman@metu.edu.tr [Department of Chemistry, Middle East Technical University, Ankara 06531 (Turkey)

2014-03-01

Highlights: • Pentacene films were grown by supersonic molecular beam deposition on Au(1 1 1). • Simultaneous helium scattering and quartz crystal resonance frequency shift measurements were performed. • Helium diffraction results were consistent with a (6 × 3) monolayer structure. • No ordered multilayers could be observed. - Abstract: Here we present a helium atom diffraction study of pentacene films on Au(1 1 1) surface prepared by supersonic molecular beam deposition. Though investigated parameter space was limited no significant difference between the films prepared by different deposition energies was observed. Completion of monolayer coverage was confirmed by simultaneous helium scattering and quartz crystal resonance frequency shift measurements during pentacene film growth on the gold electrode of a quartz resonator. Monolayer films were found to adopt a (6 × 3) unit cell which was also observed for pentacene monolayers on Ag(1 1 1). However no ordered multilayer film structure could be observed which is in contrast with the previous Ag(1 1 1) studies.

Myeloid cell leukemia-1 (Mc1-1 is a candidate target gene of hypoxia-inducible factor-1 (HIF-1 in the testis

Directory of Open Access Journals (Sweden)

Palladino Michael A

2012-12-01

Full Text Available Abstract Background Spermatic cord torsion can lead to testis ischemia (I and subsequent ischemia-reperfusion (I/R causing germ cell-specific apoptosis. Previously, we demonstrated that the hypoxia-inducible factor-1 (HIF-1 transcription factor, a key regulator of physiological responses to hypoxia, is abundant in Leydig cells in normoxic and ischemic testes. We hypothesize that testicular HIF-1 activates the expression of antiapoptotic target genes to protect Leydig cells from apoptosis. In silico analysis of testis genes containing a consensus hypoxia response element (HRE, 5’-RCGTG-3’ identified myeloid cell leukemia-1 (Mcl-1 as a potential HIF-1 target gene. The purpose of this study was to determine whether HIF-1 shows DNA-binding activity in normoxic and ischemic testes and whether Mcl-1 is a target gene of testicular HIF-1. Methods The testicular HIF-1 DNA-binding capacity was analyzed in vitro using a quantitative enzyme-linked immunosorbent assay (ELISA and electrophoretic mobility shift assays (EMSA. MCL-1 protein expression was evaluated by immunoblot analysis and immunohistochemistry. The binding of testicular HIF-1 to the Mcl-1 gene was examined via chromatin immunoprecipitation (ChIP analysis. Results The ELISA and EMSA assays demonstrated that testicular HIF-1 from normoxic and ischemic testes binds DNA equally strongly, suggesting physiological roles for HIF-1 in the normoxic testis, unlike most tissues in which HIF-1 is degraded under normoxic conditions and is only activated by hypoxia. MCL-1 protein was determined to be abundant in both normoxic and ischemic testes and expressed in Leydig cells. In a pattern identical to that of HIF-1 expression, the steady-state levels of MCL-1 were not significantly affected by I or I/R and MCL-1 co-localized with HIF-1α in Leydig cells. Chromatin immunoprecipitation (ChIP analysis using a HIF-1 antibody revealed sequences enriched for the Mcl-1 promoter. Conclusions The results

Experiences in the design and teaching of a course on efficient occupational radiation protection for entities being users

International Nuclear Information System (INIS)

Perez Gonzalez, F.; Merayo Rodriguez, A.; Gonzalez Lopez, N.

1996-01-01

This papers offers the possibility to diagnose the real level of each of the persons either directly or indirectly related to practices in entities under study. This work is based on the experience accumulated during the preparation and teaching of training and updating courses in radiation protection as one of the services rendered in Holguin Province, The western part of the territory by CEAAN as part of the security measures implemented

Asymmetric oxidation of 1,3-dithianes to 1,3-dithiane 1-oxides

OpenAIRE

Yoshihiko, Watanabe; Yojiro, Ono; Yoshio, Ueno; Takeshi, Toru

1998-01-01

Oxidation of 2-(1-hydroxy-1-methylethyl)-1,3-dithiane with the Sharpless reagent has been examined under various reaction conditions. Oxidation of 2-(1-hydroxy-1-methylethyl)-1,3-dithiane with Ti(OPri)4-diethyl L-(+)-tartrate-tert-butyl hydroperoxide (1:2:1.5) in CH2Cl2 in the presence of 4 A molecular sieves gives (1S,2S)-2-(1-hydroxy-1-methylethyl)-1,3-dithiane 1-oxide with high trans selectivity and with moderate enantioselectivity. The enantioselectivity depends upon the substituent at t...

30 CFR 1.1 - Official emblem.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Official emblem. 1.1 Section 1.1 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR OFFICIAL EMBLEM AND OMB CONTROL NUMBERS... OFFICIAL EMBLEM § 1.1 Official emblem. The following emblem is established and shall be used as the...

Blocking S1P interaction with S1P1 receptor by a novel competitive S1P1-selective antagonist inhibits angiogenesis

International Nuclear Information System (INIS)

Fujii, Yasuyuki; Ueda, Yasuji; Ohtake, Hidenori; Ono, Naoya; Takayama, Tetsuo; Nakazawa, Kiyoshi; Igarashi, Yasuyuki; Goitsuka, Ryo

2012-01-01

Highlights: ► The effect of a newly developed S1P 1 -selective antagonist on angiogenic responses. ► S1P 1 is a critical component of VEGF-related angiogenic responses. ► S1P 1 -selective antagonist showed in vitro activity to inhibit angiogenesis. ► S1P 1 -selective antagonist showed in vivo activity to inhibit angiogenesis. ► The efficacy of S1P 1 -selective antagonist for anti-cancer therapies. -- Abstract: Sphingosine 1-phosphate receptor type 1 (S1P 1 ) was shown to be essential for vascular maturation during embryonic development and it has been demonstrated that substantial crosstalk exists between S1P 1 and other pro-angiogenic growth factors, such as vascular endothelial growth factor (VEGF) and basic fibroblast growth factor. We developed a novel S1P 1 -selective antagonist, TASP0277308, which is structurally unrelated to S1P as well as previously described S1P 1 antagonists. TASP0277308 inhibited S1P- as well as VEGF-induced cellular responses, including migration and proliferation of human umbilical vein endothelial cells. Furthermore, TASP0277308 effectively blocked a VEGF-induced tube formation in vitro and significantly suppressed tumor cell-induced angiogenesis in vivo. These findings revealed that S1P 1 is a critical component of VEGF-related angiogenic responses and also provide evidence for the efficacy of TASP0277308 for anti-cancer therapies.

1,1′-{1,4-Phenylene bis[3-(6-chloro-2-methyl-4-phenylquinolin-3-yl-4,5-dihydro-1H-pyrazole-5,1-diyl]}dibutan-1-one

Directory of Open Access Journals (Sweden)

Allaoua Kedjadja

2015-10-01

Full Text Available A new polycyclic compound, 1,1′-{1,4-phenylene bis[3-(6-chloro-2-methyl-4-phenylquinolin-3-yl-4,5-dihydro-1H-pyrazole-5,1-diyl]}dibutan-1-one (3 has been synthesized by cyclocondensation of (2E,2′E-1,1′-bis(6-chloro-2-methyl-4-phenylquinolin-3-yl-3,3′-(1,4-phenylenediprop-2-en-1-one (2 and hydrazine hydrate in butanoic acid. The structure of this compound was established by elemental analysis, 1H-NMR, 13C-NMR, mass and IR spectroscopy.

Abiotic and biotic transformations of 1,1,1-trichloroethane under methanogenic conditions

International Nuclear Information System (INIS)

Vogel, T.M.; McCarty, P.L.

1987-01-01

A common industrial solvent, 1,1,1-trichloroethane (TCA), is one of the most frequently found contaminants in ground water. The fate of TCA in ground water is complicated by the different possible abiotic and biotic transformations that it may undergo. Abiotic transformation of TCA can result in a mixture of 1,1-dichloro-ethylene (1,1-DCE) and acetic acid, as shown by others. This study confirms that TCA can be biotransformed by reductive dehalogenation to 1,1-dichloroethane (1,1-DCA) and chloroethane (CA) under methanogenic conditions. Also, reductive dehalogenation of 1,1-DCE to vinyl chloride (VC) is confirmed. This study demonstrates that these transformations can occur stoichiometrically. In addition, [ 14 C]TCA, [ 14 C]-1,1-DCA, [ 14 C]-1,1-DCE, [ 14 C]CA, and [ 14 C]VC were at least partially mineralized to 14 CO 2 under similar methanogenic conditions.23 references, 3 figures, 4 tables

Soil and Terrain Database for Upper Tana River Catchment (version 1.1) - scale 1:250,000 (SOTER_UT_v1.1)

NARCIS (Netherlands)

Dijkshoorn, J.A.; Macharia, P.; Kempen, B.

2014-01-01

The Soil and Terrain database for the Upper Tana River Catchment (version 1.1) (SOTER_UT_v1.1) at scale 1:250,000 was compiled to support the Green Water Credits (GWC) programme by creating a primary SOTER dataset for a hydrology assessment of the basin. The Kenya Soil Survey of the Kenya

Protective efficacy of an inactivated Eurasian avian-like H1N1 swine influenza vaccine against homologous H1N1 and heterologous H1N1 and H1N2 viruses in mice.

Science.gov (United States)

Sui, Jinyu; Yang, Dawei; Qiao, Chuanling; Xu, Huiyang; Xu, Bangfeng; Wu, Yunpu; Yang, Huanliang; Chen, Yan; Chen, Hualan

2016-07-19

Eurasian avian-like H1N1 (EA H1N1) swine influenza viruses are prevalent in pigs in Europe and Asia, but occasionally cause human infection, which raises concern about their pandemic potential. Here, we produced a whole-virus inactivated vaccine with an EA H1N1 strain (A/swine/Guangxi/18/2011, SW/GX/18/11) and evaluated its efficacy against homologous H1N1 and heterologous H1N1 and H1N2 influenza viruses in mice. A strong humoral immune response, which we measured by hemagglutination inhibition (HI) and virus neutralization (VN), was induced in the vaccine-inoculated mice upon challenge. The inactivated SW/GX/18/11 vaccine provided complete protection against challenge with homologous SW/GX/18/11 virus in mice and provided effective protection against challenge with heterologous H1N1 and H1N2 viruses with distinctive genomic combinations. Our findings suggest that this EA H1N1 vaccine can provide protection against both homologous H1N1 and heterologous H1N1 or H1N2 virus infection. As such, it is an excellent vaccine candidate to prevent H1N1 swine influenza. Copyright © 2016 Elsevier Ltd. All rights reserved.

Closed expressions for $\\int_{0}^{1} t^{-1} log^{n-1}t log^{p}(1 - t) dt$

CERN Document Server

Kölbig, Kurt Siegfried

1982-01-01

Closed expressions for the integral integral /sub 0//sup 1/ t/sup -1/ log/sup n-1/t log/sup p/(1-t)dt, whose general form is given elsewhere, are listed for n=1(1)9, p=1(1)9. A formula is derived which allows an easy evaluation of these expressions by formula manipulation on a computer. The majority of the above expressions are given in a microfiche supplement to the paper.

26 CFR 1.72-1 - Introduction.

Science.gov (United States)

2010-04-01

... 26 Internal Revenue 2 2010-04-01 2010-04-01 false Introduction. 1.72-1 Section 1.72-1 Internal Revenue INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) INCOME TAX (CONTINUED) INCOME TAXES (CONTINUED) Items Specifically Included in Gross Income § 1.72-1 Introduction. (a) General...

Sigma-1 receptor agonists directly inhibit Nav1.2/1.4 channels.

Directory of Open Access Journals (Sweden)

Xiao-Fei Gao

Full Text Available (+-SKF 10047 (N-allyl-normetazocine is a prototypic and specific sigma-1 receptor agonist that has been used extensively to study the function of sigma-1 receptors. (+-SKF 10047 inhibits K(+, Na(+ and Ca2+ channels via sigma-1 receptor activation. We found that (+-SKF 10047 inhibited Na(V1.2 and Na(V1.4 channels independently of sigma-1 receptor activation. (+-SKF 10047 equally inhibited Na(V1.2/1.4 channel currents in HEK293T cells with abundant sigma-1 receptor expression and in COS-7 cells, which barely express sigma-1 receptors. The sigma-1 receptor antagonists BD 1063,BD 1047 and NE-100 did not block the inhibitory effects of (+-SKF-10047. Blocking of the PKA, PKC and G-protein pathways did not affect (+-SKF 10047 inhibition of Na(V1.2 channel currents. The sigma-1 receptor agonists Dextromethorphan (DM and 1,3-di-o-tolyl-guanidine (DTG also inhibited Na(V1.2 currents through a sigma-1 receptor-independent pathway. The (+-SKF 10047 inhibition of Na(V1.2 currents was use- and frequency-dependent. Point mutations demonstrated the importance of Phe(1764 and Tyr(1771 in the IV-segment 6 domain of the Na(V1.2 channel and Phe(1579 in the Na(V1.4 channel for (+-SKF 10047 inhibition. In conclusion, our results suggest that sigma-1 receptor agonists directly inhibit Na(V1.2/1.4 channels and that these interactions should be given special attention for future sigma-1 receptor function studies.

45 CFR 1220.1-1 - Introduction.

Science.gov (United States)

2010-10-01

... 45 Public Welfare 4 2010-10-01 2010-10-01 false Introduction. 1220.1-1 Section 1220.1-1 Public Welfare Regulations Relating to Public Welfare (Continued) CORPORATION FOR NATIONAL AND COMMUNITY SERVICE PAYMENT OF VOLUNTEER LEGAL EXPENSES General § 1220.1-1 Introduction. Section 419 of the Domestic Volunteer...

26 CFR 1.545-1 - Definition.

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2010-04-01

... TAXES (CONTINUED) Personal Holding Companies § 1.545-1 Definition. (a) Undistributed personal holding company income is the amount which is subject to the personal holding company tax imposed under section... 26 Internal Revenue 7 2010-04-01 2010-04-01 true Definition. 1.545-1 Section 1.545-1 Internal...

26 CFR 1.556-1 - Definition.

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2010-04-01

... TAXES (CONTINUED) Foreign Personal Holding Companies § 1.556-1 Definition. Undistributed foreign personal holding company income is the amount which is to be included in the gross income of the United... 26 Internal Revenue 7 2010-04-01 2010-04-01 true Definition. 1.556-1 Section 1.556-1 Internal...

26 CFR 1.801-1 - Definitions.

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2010-04-01

... TAXES Life Insurance Companies § 1.801-1 Definitions. (a) Life insurance company. The term life.... For the definition of an “insurance company”, see paragraph (b) of this section. In determining... 26 Internal Revenue 8 2010-04-01 2010-04-01 false Definitions. 1.801-1 Section 1.801-1 Internal...

26 CFR 1.165-1 - Losses.

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2010-04-01

... 26 Internal Revenue 2 2010-04-01 2010-04-01 false Losses. 1.165-1 Section 1.165-1 Internal Revenue... (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.165-1 Losses. (a) Allowance of deduction. Section 165(a) provides that, in computing taxable income under section 63, any loss actually sustained...

Interaction of environmental contaminants with zebrafish organic anion transporting polypeptide, Oatp1d1 (Slco1d1)

Energy Technology Data Exchange (ETDEWEB)

Popovic, Marta; Zaja, Roko [Laboratory for Molecular Ecotoxicology, Division for Marine and Environmental Research, Rudjer Boskovic Institute, Bijenicka 54, 10 000 Zagreb (Croatia); Fent, Karl [University of Applied Sciences Northwestern Switzerland, School of Life Sciences, Gründenstrasse 40, CH-4132 Muttenz (Switzerland); Swiss Federal Institute of Technology (ETH Zürich), Department of Environmental System Sciences, Institute of Biogeochemistry and Pollution Dynamics, CH-8092 Zürich (Switzerland); Smital, Tvrtko, E-mail: smital@irb.hr [Laboratory for Molecular Ecotoxicology, Division for Marine and Environmental Research, Rudjer Boskovic Institute, Bijenicka 54, 10 000 Zagreb (Croatia)

2014-10-01

Polyspecific transporters from the organic anion transporting polypeptide (OATP/Oatp) superfamily mediate the uptake of a wide range of compounds. In zebrafish, Oatp1d1 transports conjugated steroid hormones and cortisol. It is predominantly expressed in the liver, brain and testes. In this study we have characterized the transport of xenobiotics by the zebrafish Oatp1d1 transporter. We developed a novel assay for assessing Oatp1d1 interactors using the fluorescent probe Lucifer yellow and transient transfection in HEK293 cells. Our data showed that numerous environmental contaminants interact with zebrafish Oatp1d1. Oatp1d1 mediated the transport of diclofenac with very high affinity, followed by high affinity towards perfluorooctanesulfonic acid (PFOS), nonylphenol, gemfibrozil and 17α-ethinylestradiol; moderate affinity towards carbaryl, diazinon and caffeine; and low affinity towards metolachlor. Importantly, many environmental chemicals acted as strong inhibitors of Oatp1d1. A strong inhibition of Oatp1d1 transport activity was found by perfluorooctanoic acid (PFOA), chlorpyrifos-methyl, estrone (E1) and 17β-estradiol (E2), followed by moderate to low inhibition by diethyl phthalate, bisphenol A, 7-acetyl-1,1,3,4,4,6-hexamethyl-1,2,3,4 tetrahydronapthalene and clofibrate. In this study we identified Oatp1d1 as a first Solute Carrier (SLC) transporter involved in the transport of a wide range of xenobiotics in fish. Considering that Oatps in zebrafish have not been characterized before, our work on zebrafish Oatp1d1 offers important new insights on the understanding of uptake processes of environmental contaminants, and contributes to the better characterization of zebrafish as a model species. - Highlights: • We optimized a novel assay for determination of Oatp1d1 interactors • Oatp1d1 is the first SLC characterized fish xenobiotic transporter • PFOS, nonylphenol, diclofenac, EE2, caffeine are high affinity Oatp1d1substrates • PFOA, chlorpyrifos

Interaction of environmental contaminants with zebrafish organic anion transporting polypeptide, Oatp1d1 (Slco1d1)

International Nuclear Information System (INIS)

Popovic, Marta; Zaja, Roko; Fent, Karl; Smital, Tvrtko

2014-01-01

Polyspecific transporters from the organic anion transporting polypeptide (OATP/Oatp) superfamily mediate the uptake of a wide range of compounds. In zebrafish, Oatp1d1 transports conjugated steroid hormones and cortisol. It is predominantly expressed in the liver, brain and testes. In this study we have characterized the transport of xenobiotics by the zebrafish Oatp1d1 transporter. We developed a novel assay for assessing Oatp1d1 interactors using the fluorescent probe Lucifer yellow and transient transfection in HEK293 cells. Our data showed that numerous environmental contaminants interact with zebrafish Oatp1d1. Oatp1d1 mediated the transport of diclofenac with very high affinity, followed by high affinity towards perfluorooctanesulfonic acid (PFOS), nonylphenol, gemfibrozil and 17α-ethinylestradiol; moderate affinity towards carbaryl, diazinon and caffeine; and low affinity towards metolachlor. Importantly, many environmental chemicals acted as strong inhibitors of Oatp1d1. A strong inhibition of Oatp1d1 transport activity was found by perfluorooctanoic acid (PFOA), chlorpyrifos-methyl, estrone (E1) and 17β-estradiol (E2), followed by moderate to low inhibition by diethyl phthalate, bisphenol A, 7-acetyl-1,1,3,4,4,6-hexamethyl-1,2,3,4 tetrahydronapthalene and clofibrate. In this study we identified Oatp1d1 as a first Solute Carrier (SLC) transporter involved in the transport of a wide range of xenobiotics in fish. Considering that Oatps in zebrafish have not been characterized before, our work on zebrafish Oatp1d1 offers important new insights on the understanding of uptake processes of environmental contaminants, and contributes to the better characterization of zebrafish as a model species. - Highlights: • We optimized a novel assay for determination of Oatp1d1 interactors • Oatp1d1 is the first SLC characterized fish xenobiotic transporter • PFOS, nonylphenol, diclofenac, EE2, caffeine are high affinity Oatp1d1substrates • PFOA, chlorpyrifos

Sphingosine-1-phosphate (S1P) displays sustained S1P1 receptor agonism and signaling through S1P lyase-dependent receptor recycling.

Science.gov (United States)

Gatfield, John; Monnier, Lucile; Studer, Rolf; Bolli, Martin H; Steiner, Beat; Nayler, Oliver

2014-07-01

The sphingosine-1-phosphate (S1P) type 1 receptor (S1P1R) is a novel therapeutic target in lymphocyte-mediated autoimmune diseases. S1P1 receptor desensitization caused by synthetic S1P1 receptor agonists prevents T-lymphocyte egress from secondary lymphoid organs into the circulation. The selective S1P1 receptor agonist ponesimod, which is in development for the treatment of autoimmune diseases, efficiently reduces peripheral lymphocyte counts and displays efficacy in animal models of autoimmune disease. Using ponesimod and the natural ligand S1P, we investigated the molecular mechanisms leading to different signaling, desensitization and trafficking behavior of S1P1 receptors. In recombinant S1P1 receptor-expressing cells, ponesimod and S1P triggered Gαi protein-mediated signaling and β-arrestin recruitment with comparable potency and efficiency, but only ponesimod efficiently induced intracellular receptor accumulation. In human umbilical vein endothelial cells (HUVEC), ponesimod and S1P triggered translocation of the endogenous S1P1 receptor to the Golgi compartment. However, only ponesimod treatment caused efficient surface receptor depletion, receptor accumulation in the Golgi and degradation. Impedance measurements in HUVEC showed that ponesimod induced only short-lived Gαi protein-mediated signaling followed by resistance to further stimulation, whereas S1P induced sustained Gαi protein-mediated signaling without desensitization. Inhibition of S1P lyase activity in HUVEC rendered S1P an efficient S1P1 receptor internalizing compound and abrogated S1P-mediated sustained signaling. This suggests that S1P lyase - by facilitating S1P1 receptor recycling - is essential for S1P-mediated sustained signaling, and that synthetic agonists are functional antagonists because they are not S1P lyase substrates. Copyright © 2014 Elsevier Inc. All rights reserved.

USEEIO v1.1 - Matrices

Data.gov (United States)

U.S. Environmental Protection Agency — This dataset provides the basic building blocks for the USEEIO v1.1 model and life cycle results per $1 (2013 USD) demand for all goods and services in the model in...

Phenazine–naphthalene-1,5-diamine–water (1/1/2

Directory of Open Access Journals (Sweden)

Maria Gdaniec

2009-12-01

Full Text Available The asymmetric unit of the title compound, C12H8N2·C10H10N2·2H2O, contains one half-molecule of phenazine, one half-molecule of naphthalene-1,5-diamine and one water molecule. The phenazine and naphthalene-1,5-diamine molecules are located on inversion centers. The water molecules serve as bridges between the naphthalene-1,5-diamine molecules and also between the naphthalene-1,5-diamine and phenazine molecules. The naphthalene-1,5-diamine and water molecules are connected via N—H...O and O—H...N hydrogen bonds, forming a T4(2 motif. They are arranged into a two-dimensional polymeric structure parallel to (10overline{1} in which the water molecule is a single donor and a double acceptor, whereas the amino group is a double donor and a single acceptor in the hydrogen bonding. These two-dimensional assemblies alternate with the layers of phenazine molecules arranged into a herringbone motif. Each phenazine molecule is hydrogen bonded to two water molecules and thus a three-dimensional framework of hydrogen-bonded molecules is generated.

26 CFR 1.1053-1 - Property acquired before March 1, 1913.

Science.gov (United States)

2010-04-01

... chapter 1 of the Code, without reference to the fair market value as of March 1, 1913. (c) Example. The... the fair market value of $94,500 as of March 1, 1913, adjusted for depreciation allowed or allowable... other applicable provisions of chapter 1 of the Code, or its fair market value as of March 1, 1913...

Synthesis of dimethyl-1,1 guanylguanidine-{sup 14}C-2,4 (dimethyl-1-1 biguanide) hydrochloride; Synthese du chlorhydrate de dimethyl-1,1 guanylguanidine {sup 14}C-2,4 (dimethyl-1-1 biguanide)

Energy Technology Data Exchange (ETDEWEB)

Herbert, M; Pichat, L [Commissariat a l' Energie Atomique, Saclay (France).Centre d' Etudes Nucleaires

1961-07-01

A description of the synthesis of dimethyl-1,1 guanylguanidine-{sup 14}C-2,4 hydrochloride passing through the {sup 14}C{sub 2} dicyandiamide. The overall yield with respect to Ba{sup 14}CO{sub 3} is 38 per cent. (author) [French] Description de la synthese du chlorhydrate de dimethyl-1,1 guanylguanidine {sup 14}C-2,4 par l'intermediaire de la dicyandiamide {sup 14}C{sub 2}. Le rendement global par rapport a {sup 14}CO{sub 3}Ba est de 38 pour cent. (auteur)

Apurinic/apyrimidinic endonuclease1/redox factor-1 (Ape1/Ref-1) is essential for IL-21-induced signal transduction through ERK1/2 pathway

International Nuclear Information System (INIS)

Juliana, Farha M.; Nara, Hidetoshi; Onoda, Tadashi; Rahman, Mizanur; Araki, Akemi; Jin, Lianjin; Fujii, Hodaka; Tanaka, Nobuyuki; Hoshino, Tomoaki; Asao, Hironobu

2012-01-01

Highlights: ► IL-21 induces nuclear accumulation of Ape1/Ref-1 protein. ► Ape1/Ref-1 is indispensable in IL-21-induced cell proliferation and survival signal. ► Ape1/Ref-1 is required for IL-21-induced ERK1/2 activation. -- Abstract: IL-21 is a pleiotropic cytokine that regulates T-cell and B-cell differentiation, NK-cell activation, and dendritic cell functions. IL-21 activates the JAK-STAT, ERK, and PI3K pathways. We report here that Ape1/Ref-1 has an essential role in IL-21-induced cell growth signal transduction. Overexpression of Ape1/Ref-1 enhances IL-21-induced cell proliferation, but it is suppressed by overexpressing an N-terminal deletion mutant of Ape1/Ref-1 that lacks the redox domain. Furthermore, knockdown of the Ape1/Ref-1 mRNA dramatically compromises IL-21-induced ERK1/2 activation and cell proliferation with increasing cell death. These impaired activities are recovered by the re-expression of Ape1/Ref-1 in the knockdown cells. Our findings are the first demonstration that Ape1/Ref-1 is an indispensable molecule for the IL-21-mediated signal transduction through ERK1/2 activation.

48 CFR 1.602-1 - Authority.

Science.gov (United States)

2010-10-01

... 48 Federal Acquisition Regulations System 1 2010-10-01 2010-10-01 false Authority. 1.602-1 Section... ACQUISITION REGULATIONS SYSTEM Career Development, Contracting Authority, and Responsibilities 1.602-1 Authority. (a) Contracting officers have authority to enter into, administer, or terminate contracts and...

In vitro characterization of gE negative bovine herpesvirus types 1.1 (BHV-1.1 and 1.2a (BHV-1.2a Caracterização in vitro de herpes vírus bovino tipos 1.1 (BHV-1.1 e 1.2a (BHV-1.2a gE negativos

Directory of Open Access Journals (Sweden)

Fernando R. Spilki

2004-09-01

Full Text Available This study aimed the in vitro growth characterization of a previously constructed Brazilian bovine herpesvirus 1.2a with a deletion in the glycoprotein E gene (BHV-1.2a gE-. The plaque sizes, penetration and growth kinetics of the Brazilian BHV-1.2a gE- were studied and compared with the parental virus, as well as with a BHV-1.1 gE- recombinant derived from an European BHV-1.1 strain. No statistical differences were observed between the gE- recombinants and the respective parental viruses penetration assays were performed. When single step growth curves were studied, no statistical differences were observed between gE- and parental viruses. However, it was observed that both gE- viruses were excreted from cells in significantly higher titres at 11 hours post infection in comparison with parental viruses. No statistical differences were observed when plaque sizes of parental viruses or gE- viruses we analyzed separately in each cell type. However, both gE- recombinants displayed a significantly reduced plaque areas on three different cell cultures, in comparison with parental viruses, indicating that the lack of gE had the same effect on both BHV-1 subtypes, manifested by a restricted cell-to-cell spread in infected cells.O presente estudo teve como objetivo a caracterização das propriedades de crescimento in vitro de uma amostra brasileira de herpesvírus bovino tipo 1.2a que apresenta uma deleção no gene que codifica a glicoproteína E (BHV-1.2a gE-. Os tamanhos de placa, cinética de penetração e cinética de multiplicação do vírus BHV-1.2a gE- foram estudados e comparados com o vírus parental, bem como com um vírus BHV-1.1 gE- recombinante, o qual é derivado de uma amostra européia de BHV-1.1. Em termos de cinética de penetração, não foram observadas diferenças significativas quando comparados os vírus gE- com os parentais. A determinação da cinética de multiplicação não demonstrou diferenças significativas entre os

1 CFR 10.1 - Publication required.

Science.gov (United States)

2010-01-01

... 1 General Provisions 1 2010-01-01 2010-01-01 false Publication required. 10.1 Section 10.1 General Provisions ADMINISTRATIVE COMMITTEE OF THE FEDERAL REGISTER SPECIAL EDITIONS OF THE FEDERAL REGISTER PRESIDENTIAL PAPERS Regular Publication § 10.1 Publication required. The Director publishes a special edition...

Regional gene expression of LOX-1, VCAM-1, and ICAM-1 in aorta of HIV-1 transgenic rats

DEFF Research Database (Denmark)

Hag, Anne Mette Fisker; Kristoffersen, Ulrik Sloth; Pedersen, Sune Folke

2009-01-01

endpoints, studies in animal models could be attractive alternatives. METHODOLOGY/PRINCIPAL FINDINGS: We evaluated gene expression of lectin-like oxidized-low-density-lipoprotein receptor-1 (LOX-1), vascular cell adhesion molecule-1 (VCAM-1), and intercellular adhesion molecule-1 (ICAM-1) in HIV-1...... transgenic (HIV-1Tg) rats; these genes are all thought to play important roles in early atherogenesis. Furthermore, the plasma level of sICAM-1 was measured. We found that gene expressions of LOX-1 and VCAM-1 were higher in the aortic arch of HIV-1Tg rats compared to controls. Also, the level of sICAM-1......-infection per se may cause atherosclerosis. This transgenic rat model may be a very promising model for further studies of the pathophysiology behind HIV-associated cardiovascular disease....

USEEIOv1.1 - openLCA

Data.gov (United States)

U.S. Environmental Protection Agency — This is a version of the full USEEIO v1.1 model in the openLCA schema serialized as JSON-LD that can be imported into openLCA software (www.openlca.org) v1.5 and...

Benzene-1,2-dicarboxylic acid–pyridinium-2-olate (1/1

Directory of Open Access Journals (Sweden)

Chua-Hua Yu

2012-07-01

Full Text Available The asymmetric unit of the title compound, C5H5NO·C8H6O4, contains one o-phthalate acid molecule and one pyridin-2-ol molecule, which exists in a zwitterionic form. In the o-phthalate acid molecule, the carboxylate groups are twisted from the benzene ring by dihedral angles of 13.6 (1° and 73.1 (1°; the hydroxy H atom in the latter group is disordered over two positons in a 1:1 ratio. In the crystal, O—H...O and N—H...O hydrogen bonds link the molecules into zigzag chains in [-101].

1 CFR 5.1 - Publication policy.

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2010-01-01

... 1 General Provisions 1 2010-01-01 2010-01-01 false Publication policy. 5.1 Section 5.1 General Provisions ADMINISTRATIVE COMMITTEE OF THE FEDERAL REGISTER THE FEDERAL REGISTER GENERAL § 5.1 Publication... Federal Register shall publish a serial publication called the Federal Register to contain the following...

1 CFR 9.1 - Publication required.

Science.gov (United States)

2010-01-01

... 1 General Provisions 1 2010-01-01 2010-01-01 false Publication required. 9.1 Section 9.1 General Provisions ADMINISTRATIVE COMMITTEE OF THE FEDERAL REGISTER SPECIAL EDITIONS OF THE FEDERAL REGISTER THE UNITED STATES GOVERNMENT MANUAL § 9.1 Publication required. The Director of the Federal Register shall...

Transportin-1-dependent YB-1 nuclear import

International Nuclear Information System (INIS)

Mordovkina, Daria A.; Kim, Ekaterina R.; Buldakov, Ilya A.; Sorokin, Alexey V.; Eliseeva, Irina A.; Lyabin, Dmitry N.; Ovchinnikov, Lev P.

2016-01-01

The DNA/RNA-binding protein YB-1 (Y-box binding protein 1) performs multiple functions both in the cytoplasm and the nucleus of the cell. Generally localized to the cytoplasm, under certain conditions YB-1 is translocated to the nucleus. Here we report for the first time a transport factor that mediates YB-1 nuclear import – transportin-1. The YB-1/transportin-1 complex can be isolated from HeLa cell extract. Nuclear import of YB-1 and its truncated form YB-1 (1-219) in in vitro transport assay was diminished in the presence of a competitor substrate and ceased in the presence of transportin-1 inhibitor M9M. Inhibitors of importin β1 had no effect on YB-1 transport. Furthermore, transport of YB-1 (P201A/Y202A) and YB-1 (1–219) (P201A/Y202A) bearing inactivating mutations in the transportin-1-dependent nuclear localization signal was practically abolished. Together, these results indicate that transportin-1 mediates YB-1 nuclear translocation. - Highlights: • Transportin-1 mediates YB-1 nuclear import. • YB-1 nuclear translocation is diminished in the presence of transportin-1 inhibitors. • Mutations in the PY motif of YB-1 NLS prevent its translocation to the nucleus.

Technetium (tin) ethane-1-hydroxy-1, 1-diphosphonate complexes

International Nuclear Information System (INIS)

Brand, J.A.G.M.

1981-10-01

The aim of this thesis is to establish the experimental conditions for the optimal preparation of the sup(99m)Tc(Sn)EHDP bone scanning agent. The pH and the concentrations of EHDP (ethane-1-hydroxy-1,1-disodium diphosphonate) and of Sn(II) may affect the yield and the biodistribution of the radiopharmacon. The investigation of the influence of these parameters is the subject of this investigation. (Auth.)

Niemann-Pick C1 (NPC1/NPC1-like1 Chimeras Define Sequences Critical for NPC1’s Function as a Filovirus Entry Receptor

Directory of Open Access Journals (Sweden)

Esther Ndungo

2012-10-01

Full Text Available We recently demonstrated that Niemann-Pick C1 (NPC1, a ubiquitous 13-pass cellular membrane protein involved in lysosomal cholesterol transport, is a critical entry receptor for filoviruses. Here we show that Niemann-Pick C1-like1 (NPC1L1, an NPC1 paralog and hepatitis C virus entry factor, lacks filovirus receptor activity. We exploited the structural similarity between NPC1 and NPC1L1 to construct and analyze a panel of chimeras in which NPC1L1 sequences were replaced with cognate sequences from NPC1. Only one chimera, NPC1L1 containing the second luminal domain (C of NPC1 in place of its own, bound to the viral glycoprotein, GP. This engineered protein mediated authentic filovirus infection nearly as well as wild-type NPC1, and more efficiently than did a minimal NPC1 domain C-based receptor recently described by us. A reciprocal chimera, NPC1 containing NPC1L1’s domain C, was completely inactive. Remarkably, an intra-domain NPC1L1-NPC1 chimera bearing only a ~130-amino acid N–terminal region of NPC1 domain C could confer substantial viral receptor activity on NPC1L1. Taken together, these findings account for the failure of NPC1L1 to serve as a filovirus receptor, highlight the central role of the luminal domain C of NPC1 in filovirus entry, and reveal the direct involvement of N–terminal domain C sequences in NPC1’s function as a filovirus receptor.

RHM 1(1).indb

African Journals Online (AJOL)

mike

Research in Hospitality Management 2011, 1(1): 43–52 ... Innovating concepts are becoming ever ... hospitality industry the concept of employer branding as ... Keywords: employer branding, hospitality industry, human resources management, strategy ..... is not much evidence on employer branding beyond cases.

Study of hypercharge exchange processes 0{sup -}1/2+{yields}1{sup -} 1/2+; Estudio de procesos 0-1/2+{yields}1-1/2+ con intercambio de hipercarga

Energy Technology Data Exchange (ETDEWEB)

Albajar Molera, M c; Aguilar Beniter de Lugo, M.

1981-07-01

In this work we present a formalism for the reconstruction of the transitivity amplitudes governing the processes of the type 0-1/2+{yields}1-1/2+. The formalism uses the information contained in the decay angular correlations and takes into account the existence of mixed spin configurations in the final state 0-1/2+{yields}(0{down_arrow}, 1-)1/2+ (Author) 10 refs.

41 CFR 101-1.104-1 - Publication.

Science.gov (United States)

2010-07-01

... 41 Public Contracts and Property Management 2 2010-07-01 2010-07-01 true Publication. 101-1.104-1 Section 101-1.104-1 Public Contracts and Property Management Federal Property Management Regulations System FEDERAL PROPERTY MANAGEMENT REGULATIONS GENERAL 1-INTRODUCTION 1.1-Regulation System § 101-1.104-1...

Growth of langasite via Bridgman technique along [ 0 0 0 1], [ 2 1¯ 1¯ 0] and [ 0 1 1¯ 1] for piezoelectric applications

Science.gov (United States)

Uda, Satoshi; Inaba, Hitoshi; Harada, Jiro; Hoshikawa, Keigo

2004-10-01

2-inch langasite (La 3Ga 5SiO 14) single crystals were grown for the first time via a vertical Bridgman method, assisted by the accelerated crucible rotation technique (ACRT) along [ 0 0 0 1] ( Z-axis), [ 2 1¯ 1¯ 0] ( X-axis) and [ 0 1 1¯ 1] (54°-rotated Y-axis) for piezoelectric applications. Because of the possible liquid immiscibility, incongruency and segregation, secondary phases other than langasite are formed during growth. The mode of occurrence of these phases was closely related to the interface instability that was specific to the growth direction. The formation of inclusions consisting of lanthanum gallate (LaGaO 3), aligned parallel to ( 0 1 1¯ 0), was associated with the constitutional supercooling. The residual products during the terminal transient were the mixture of gallium oxide (Ga 2O 3) and lanthanum gallate (LaGaO 3) or the mixture of gallium oxide and lanthanum silicate (La 2Si 2O 7) reflecting the position of the initial melt, relative to the tie line connecting the langasite solid solution with gallium oxide in the system of La 2O 3-Ga 2O 3-SiO 2. The homogeneity of the grown crystal was evaluated by the distribution of SAW velocities of the devices fabricated on the ( 0 1 1¯ 0) wafer, as well as by the uniformity of d-spacing of 0 5 5¯ 5.

Ultrathin alumina film on Cu 9at%Al(1 1 1)

Science.gov (United States)

Napetschnig, E.; Schmid, M.; Varga, P.

2008-05-01

We have investigated the structure of the clean and the oxidized (1 1 1) surface of a Cu-Al alloy with 9 at% Al by scanning tunneling microscopy (STM), Auger electron spectroscopy (AES), low energy ion scattering (LEIS) and low energy electron diffraction (LEED). Annealing of the clean crystal at 680 °C leads to segregation of Al to the surface. The Al concentration at the annealed surface is 23 ± 2% and domains with a (√3 × √3)R30° superstructure are visible, as well as small Cu(1 1 1) areas and disordered patches. Oxidation at 680 °C leads to the formation of a well-ordered flat alumina film with two very similar oxide structures. One oxide structure has a nearly commensurate rectangular cell rotated by 30° with respect to a close-packed row of the substrate and grows in three different domains. The second structure has a commensurate cell consisting of four equivalent building blocks and has a rectangular centered symmetry. This structure is rotated by 18° with respect to a close-packed row of the substrate and grows in six different domains. The rectangular building blocks of these two oxide structures have a similar thickness, the same surface termination and the same number and arrangement of the atoms as the oxide film on NiAl(1 1 0) [G. Kresse, M. Schmid, E. Napetschnig, M. Shishkin, L. Köhler, P. Varga, Science 308 (2005) 1448]. In contrast to the oxide on NiAl(1 1 0), alumina on the Cu-Al alloy crystal does not show stress-induced domain boundaries and grows in large defect-free domains. Thus, Pd deposited on this oxide nucleates not only on domain boundaries and steps but also on the unperturbed oxide, forming (1 1 1)-oriented clusters.

Camel Milk Modulates the Expression of Aryl Hydrocarbon Receptor-Regulated Genes, Cyp1a1, Nqo1, and Gsta1, in Murine hepatoma Hepa 1c1c7 Cells

Directory of Open Access Journals (Sweden)

Hesham M. Korashy

2012-01-01

Full Text Available There is a traditional belief in the Middle East that camel milk may aid in prevention and treatment of numerous cases of cancer yet, the exact mechanism was not investigated. Therefore, we examined the ability of camel milk to modulate the expression of a well-known cancer-activating gene, Cytochrome P450 1a1 (Cyp1a1, and cancer-protective genes, NAD(PH:quinone oxidoreductase 1 (Nqo1 and glutathione S-transferase a1 (Gsta1, in murine hepatoma Hepa 1c1c7 cell line. Our results showed that camel milk significantly inhibited the induction of Cyp1a1 gene expression by 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD, the most potent Cyp1a1 inducer and known carcinogenic chemical, at mRNA, protein, and activity levels in a concentration-dependent manner. In addition, camel milk significantly decreased the xenobiotic responsive element (XRE-dependent luciferase activity, suggesting a transcriptional mechanism is involved. Furthermore, this inhibitory effect of camel milk was associated with a proportional increase in heme oxygenase 1. On the other hand, camel milk significantly induced Nqo1 and Gsta1 mRNA expression level in a concentration-dependent fashion. The RNA synthesis inhibitor, actinomycin D, completely blocked the induction of Nqo1 mRNA by camel milk suggesting the requirement of de novo RNA synthesis through a transcriptional mechanism. In conclusion, camel milk modulates the expression of Cyp1a1, Nqo1, and Gsta1 at the transcriptional and posttranscriptional levels.

Sulfation of fulvestrant by human liver cytosols and recombinant SULT1A1 and SULT1E1

Directory of Open Access Journals (Sweden)

Edavana VK

2011-11-01

Full Text Available Vineetha Koroth Edavana1, Xinfeng Yu1, Ishwori B Dhakal1, Suzanne Williams1, Baitang Ning2, Ian T Cook3, David Caldwell1, Charles N Falany3, Susan Kadlubar11Division of Medical Genetics, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA; 2Division of Personalized Nutrition and Medicine, National Center for Toxicological Research, Food and Drug Administration, Jefferson, AR, USA; 3Department of Pharmacology, University of Alabama, Birmingham, AL, USAAbstract: Fulvestrant (Faslodex™ is a pure antiestrogen that is approved to treat hormone receptor-positive metastatic breast cancer in postmenopausal women. Previous studies have demonstrated that fulvestrant metabolism in humans involves cytochromes P450 and UDP-glucuronosyltransferases (UGTs. To date, fulvestrant sulfation has not been characterized. This study examined fulvestrant sulfation with nine recombinant sulfotransferases and found that only SULT1A1 and SULT1E1 displayed catalytic activity toward this substrate, with Km of 4.2 ± 0.99 and 0.2 ± 0.16 µM, respectively. In vitro assays of 104 human liver cytosols revealed marked individual variability that was highly correlated with β-naphthol sulfation (SULT1A1 diagnostic substrate; r = 0.98, P < 0.0001, but not with 17ß-estradiol sulfation (SULT1E1 diagnostic substrate; r = 0.16, P = 0.10. Fulvestrant sulfation was correlated with both SULT1A1*1/2 genotype (P value = 0.023 and copy number (P < 0.0001. These studies suggest that factors influencing SULT1A1/1E1 tissue expression and/or enzymatic activity could influence the efficacy of fulvestrant therapy.Keywords: fulvestrant, sulfotransferase, genotype, copy number

The Family in the treatment of their members with depth- blind disability in Holguín

Directory of Open Access Journals (Sweden)

Iliana Pupo-Herrera

2016-12-01

Full Text Available The depth- blind. disabilities persons  are considered as a particular kind of family. In this study its valorated the treatment of the family to the members that present this disability in Holguin. It refers to the familiar group as a sociality context of personal superation, taken in count the educational rol and the influences of that, in negative or positives results   in their members behaviour in society.

ejesm.v10i1.1

African Journals Online (AJOL)

USER

2017-01-16

Jan 16, 2017 ... Ethiopian Journal of Environmental Studies & Management 10(1): 1 – 10, 2017. ... 1 million, some identified modern sources had also made little impact ..... bottlenecks and logistics. .... Table 1: Trends in Nigerian Stock Market.

Vibrational properties of epitaxial silicene layers on (1 1 1) Ag

International Nuclear Information System (INIS)

Scalise, E.; Cinquanta, E.; Houssa, M.; Broek, B. van den; Chiappe, D.; Grazianetti, C.; Pourtois, G.; Ealet, B.; Molle, A.; Fanciulli, M.; Afanas’ev, V.V.; Stesmans, A.

2014-01-01

The electronic and vibrational properties of three different reconstructions of silicene on Ag(1 1 1) are calculated and compared to experimental results. The 2D epitaxial silicon layers, namely the (4 × 4), (√13 × √13) and (2√3 × 2√3) phases, exhibit different electronic and vibrational properties. Few peaks in the experimental Raman spectrum are identified and attributed to the vibrational modes of the silicene layers. The position and behavior of the Raman peaks with respect to the excitation energy are shown to be a fundamental tool to investigate and discern different phases of silicene on Ag(1 1 1).

Vibrational properties of epitaxial silicene layers on (1 1 1) Ag

Energy Technology Data Exchange (ETDEWEB)

Scalise, E., E-mail: emilio.scalise@fys.kuleuven.be [Semiconductor Physics Laboratory, Department of Physics and Astronomy, University of Leuven, Celestijnenlaan 200 D, B-3001 Leuven (Belgium); Cinquanta, E. [Laboratorio MDM, IMM-CNR, via C. Olivetti 2, I-20864 Agrate Brianza (MB) (Italy); Houssa, M.; Broek, B. van den [Semiconductor Physics Laboratory, Department of Physics and Astronomy, University of Leuven, Celestijnenlaan 200 D, B-3001 Leuven (Belgium); Chiappe, D. [Laboratorio MDM, IMM-CNR, via C. Olivetti 2, I-20864 Agrate Brianza (MB) (Italy); Grazianetti, C. [Laboratorio MDM, IMM-CNR, via C. Olivetti 2, I-20864 Agrate Brianza (MB) (Italy); Aix-Marseille University, CNRS-CINaM, Campus de Luminy, Case 913, 13288 Marseille Cedex 09 (France); Pourtois, G. [IMEC, 75 Kapeldreef, B-3001 Leuven (Belgium); Department of Chemistry, Plasmant Research Group, University of Antwerp, B-2610 Wilrijk-Antwerp (Belgium); Ealet, B. [Aix-Marseille University, CNRS-CINaM, Campus de Luminy, Case 913, 13288 Marseille Cedex 09 (France); Molle, A. [Laboratorio MDM, IMM-CNR, via C. Olivetti 2, I-20864 Agrate Brianza (MB) (Italy); Fanciulli, M. [Laboratorio MDM, IMM-CNR, via C. Olivetti 2, I-20864 Agrate Brianza (MB) (Italy); Dipartimento di Scienza dei Materiali, Università degli Studi di Milano Bicocca, via R. Cozzi 53, I-20126 Milano (MI) (Italy); Afanas’ev, V.V.; Stesmans, A. [Semiconductor Physics Laboratory, Department of Physics and Astronomy, University of Leuven, Celestijnenlaan 200 D, B-3001 Leuven (Belgium)

2014-02-01

The electronic and vibrational properties of three different reconstructions of silicene on Ag(1 1 1) are calculated and compared to experimental results. The 2D epitaxial silicon layers, namely the (4 × 4), (√13 × √13) and (2√3 × 2√3) phases, exhibit different electronic and vibrational properties. Few peaks in the experimental Raman spectrum are identified and attributed to the vibrational modes of the silicene layers. The position and behavior of the Raman peaks with respect to the excitation energy are shown to be a fundamental tool to investigate and discern different phases of silicene on Ag(1 1 1).

Carbon isotope fractionation of 1,1,1-trichloroethane during base-catalyzed persulfate treatment

International Nuclear Information System (INIS)

Marchesi, Massimo; Thomson, Neil R.; Aravena, Ramon; Sra, Kanwartej S.; Otero, Neus; Soler, Albert

2013-01-01

Highlights: • Treatability and C fractionation of 1,1,1-TCA by base-catalyzed S 2 O 8 2− was studied. • The rate of degradation of 1,1,1-TCA increased with a higher OH − :S 2 O 8 2− ratio. •Base-catalyzed S 2 O 8 2− can potentially treat recalcitrant compound like 1,1,1-TCA. • An enrichment factor of −7.0‰ independent of the OH − :S 2 O 8 2− ratio was obtained. • Carbon isotope can potentially be used to estimate the ISCO treatment efficacy. -- Abstract: The extent of carbon isotope fractionation during degradation of 1,1,1-trichloroethane (1,1,1-TCA) by a base-catalyzed persulfate (S 2 O 8 2− ) treatment system was investigated. Significant destruction of 1,1,1-TCA was observed at a pH of ∼12. An increase in the NaOH:S 2 O 8 2− molar ratio from 0.2:1 to 8:1 enhanced the reaction rate of 1,1,1-TCA by a factor of ∼5 to yield complete (>99.9%) destruction. An average carbon isotope enrichment fractionation factor which was independent of the NaOH:S 2 O 8 2− molar ratio of −7.0 ± 0.2‰ was obtained. This significant carbon isotope fractionation and the lack of dependence on changes in the NaOH:S 2 O 8 2− molar ratio demonstrates that carbon isotope analysis can potentially be used in situ as a performance assessment tool to estimate the degradation effectiveness of 1,1,1-TCA by a base-catalyzed persulfate system

Regional gene expression of LOX-1, VCAM-1, and ICAM-1 in aorta of HIV-1 transgenic rats.

Directory of Open Access Journals (Sweden)

Anne Mette Fisker Hag

Full Text Available BACKGROUND: Increased prevalence of atherosclerotic cardiovascular disease in HIV-infected patients has been observed. The cause of this accelerated atherosclerosis is a matter of controversy. As clinical studies are complicated by a multiplicity of risk-factors and a low incidence of hard endpoints, studies in animal models could be attractive alternatives. METHODOLOGY/PRINCIPAL FINDINGS: We evaluated gene expression of lectin-like oxidized-low-density-lipoprotein receptor-1 (LOX-1, vascular cell adhesion molecule-1 (VCAM-1, and intercellular adhesion molecule-1 (ICAM-1 in HIV-1 transgenic (HIV-1Tg rats; these genes are all thought to play important roles in early atherogenesis. Furthermore, the plasma level of sICAM-1 was measured. We found that gene expressions of LOX-1 and VCAM-1 were higher in the aortic arch of HIV-1Tg rats compared to controls. Also, the level of sICAM-1 was elevated in the HIV-1Tg rats compared to controls, but the ICAM-1 gene expression profile did not show any differences between the groups. CONCLUSIONS/SIGNIFICANCE: HIV-1Tg rats have gene expression patterns indicating endothelial dysfunction and accelerated atherosclerosis in aorta, suggesting that HIV-infection per se may cause atherosclerosis. This transgenic rat model may be a very promising model for further studies of the pathophysiology behind HIV-associated cardiovascular disease.

Carbon isotope fractionation of 1,1,1-trichloroethane during base-catalyzed persulfate treatment

Energy Technology Data Exchange (ETDEWEB)

Marchesi, Massimo, E-mail: m2marche@uwaterloo.ca [Department of Civil and Environmental Engineering, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1 (Canada); Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1 (Canada); Thomson, Neil R. [Department of Civil and Environmental Engineering, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1 (Canada); Aravena, Ramon [Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1 (Canada); Sra, Kanwartej S. [Department of Civil and Environmental Engineering, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1 (Canada); Golder Associates Inc, Toronto, Ontario, Canada L5N 5Z7 (Canada); Otero, Neus; Soler, Albert [Departament de Cristal.lographia, Mineralogia i Diposits Minerals, Facultat de Geologia, Universitat de Barcelona, Barcelona, Spain 08028 (Spain)

2013-09-15

Highlights: • Treatability and C fractionation of 1,1,1-TCA by base-catalyzed S{sub 2}O{sub 8}{sup 2−} was studied. • The rate of degradation of 1,1,1-TCA increased with a higher OH{sup −}:S{sub 2}O{sub 8}{sup 2−} ratio. •Base-catalyzed S{sub 2}O{sub 8}{sup 2−} can potentially treat recalcitrant compound like 1,1,1-TCA. • An enrichment factor of −7.0‰ independent of the OH{sup −}:S{sub 2}O{sub 8}{sup 2−} ratio was obtained. • Carbon isotope can potentially be used to estimate the ISCO treatment efficacy. -- Abstract: The extent of carbon isotope fractionation during degradation of 1,1,1-trichloroethane (1,1,1-TCA) by a base-catalyzed persulfate (S{sub 2}O{sub 8}{sup 2−}) treatment system was investigated. Significant destruction of 1,1,1-TCA was observed at a pH of ∼12. An increase in the NaOH:S{sub 2}O{sub 8}{sup 2−} molar ratio from 0.2:1 to 8:1 enhanced the reaction rate of 1,1,1-TCA by a factor of ∼5 to yield complete (>99.9%) destruction. An average carbon isotope enrichment fractionation factor which was independent of the NaOH:S{sub 2}O{sub 8}{sup 2−} molar ratio of −7.0 ± 0.2‰ was obtained. This significant carbon isotope fractionation and the lack of dependence on changes in the NaOH:S{sub 2}O{sub 8}{sup 2−} molar ratio demonstrates that carbon isotope analysis can potentially be used in situ as a performance assessment tool to estimate the degradation effectiveness of 1,1,1-TCA by a base-catalyzed persulfate system.

DDB1-Mediated CRY1 Degradation Promotes FOXO1-Driven Gluconeogenesis in Liver.

Science.gov (United States)

Tong, Xin; Zhang, Deqiang; Charney, Nicholas; Jin, Ethan; VanDommelen, Kyle; Stamper, Kenneth; Gupta, Neil; Saldate, Johnny; Yin, Lei

2017-10-01

Targeted protein degradation through ubiquitination is an important step in the regulation of glucose metabolism. Here, we present evidence that the DDB1-CUL4A ubiquitin E3 ligase functions as a novel metabolic regulator that promotes FOXO1-driven hepatic gluconeogenesis. In vivo, hepatocyte-specific Ddb1 deletion leads to impaired hepatic gluconeogenesis in the mouse liver but protects mice from high-fat diet-induced hyperglycemia. Lack of Ddb1 downregulates FOXO1 protein expression and impairs FOXO1-driven gluconeogenic response. Mechanistically, we discovered that DDB1 enhances FOXO1 protein stability via degrading the circadian protein cryptochrome 1 (CRY1), a known target of DDB1 E3 ligase. In the Cry1 depletion condition, insulin fails to reduce the nuclear FOXO1 abundance and suppress gluconeogenic gene expression. Chronic depletion of Cry1 in the mouse liver not only increases FOXO1 protein but also enhances hepatic gluconeogenesis. Thus, we have identified the DDB1-mediated CRY1 degradation as an important target of insulin action on glucose homeostasis. © 2017 by the American Diabetes Association.

Kinetics study of antimony adsorption on Si(1 1 1)

International Nuclear Information System (INIS)

Lapena, L.; Mueller, P.; Quentel, G.; Guesmi, H.; Treglia, G.

2003-01-01

In this paper, we use mass spectrometry (MS) and reflection high-energy electron (RHEED) to study the kinetics of adsorption of Sb on Si(1 1 1) surface and its relation to the corresponding surface structure. At high temperature (T>800 deg. C) all the impinging Sb 4 molecules completely dissociate at the silicon surface and a 2D gas of Sb monomers reversibly adsorbs on the (1x1) surface. At low temperature (T 4 molecules act as precursors and can be partially reflected or desorbed while a 2D stable layer of Sb monomers irreversibly adsorbs. The surface continuously shifts from a blurred (7x7) surface to a (1x1) structure near completion of the 2D layer. In the intermediate range (600 deg. C< T<800 deg. C) provided that the coverage is large enough (θ ∼ 2/3) the condensation of the 2D gas leads to a 2D (5√3 x 5√3) reconstruction. We show that introducing the formation of a condensed phase in a kinetics model allows us to reproduce our experimental data. Finally, we determine the adsorption geometry from ab initio calculations: Sb is adsorbed on top positions, somewhat passivating the Si surface dangling bonds

Study of hypercharge exchange processes 0-1/2+→1- 1/2+

International Nuclear Information System (INIS)

Albajar Molera, M. c.; Aguilar Beniter de Lugo, M.

1981-01-01

In this work we present a formalism for the reconstruction of the transitivity amplitudes governing the processes of the type 0-1/2+→1-1/2+. The formalism uses the information contained in the decay angular correlations and takes into account the existence of mixed spin configurations in the final state 0-1/2+→(0↓, 1-)1/2+ (Author) 10 refs

Blocking S1P interaction with S1P{sub 1} receptor by a novel competitive S1P{sub 1}-selective antagonist inhibits angiogenesis

Energy Technology Data Exchange (ETDEWEB)

Fujii, Yasuyuki, E-mail: y.fujii@po.rd.taisho.co.jp [Department of Molecular Function and Pharmacology Laboratories, Taisho Pharmaceutical Co. Ltd., 1-403 Saitama, Saitama 331-9530 (Japan); Ueda, Yasuji; Ohtake, Hidenori; Ono, Naoya; Takayama, Tetsuo; Nakazawa, Kiyoshi [Department of Molecular Function and Pharmacology Laboratories, Taisho Pharmaceutical Co. Ltd., 1-403 Saitama, Saitama 331-9530 (Japan); Igarashi, Yasuyuki [Laboratory of Biomembrane and Biofunctional Chemistry, Hokkaido University, Sapporo, Hokkaido 060-0812 (Japan); Goitsuka, Ryo [Division of Development and Aging, Research Institute for Biological Sciences, Tokyo University of Science, Noda, Chiba 278-0022 (Japan)

2012-03-23

Highlights: Black-Right-Pointing-Pointer The effect of a newly developed S1P{sub 1}-selective antagonist on angiogenic responses. Black-Right-Pointing-Pointer S1P{sub 1} is a critical component of VEGF-related angiogenic responses. Black-Right-Pointing-Pointer S1P{sub 1}-selective antagonist showed in vitro activity to inhibit angiogenesis. Black-Right-Pointing-Pointer S1P{sub 1}-selective antagonist showed in vivo activity to inhibit angiogenesis. Black-Right-Pointing-Pointer The efficacy of S1P{sub 1}-selective antagonist for anti-cancer therapies. -- Abstract: Sphingosine 1-phosphate receptor type 1 (S1P{sub 1}) was shown to be essential for vascular maturation during embryonic development and it has been demonstrated that substantial crosstalk exists between S1P{sub 1} and other pro-angiogenic growth factors, such as vascular endothelial growth factor (VEGF) and basic fibroblast growth factor. We developed a novel S1P{sub 1}-selective antagonist, TASP0277308, which is structurally unrelated to S1P as well as previously described S1P{sub 1} antagonists. TASP0277308 inhibited S1P- as well as VEGF-induced cellular responses, including migration and proliferation of human umbilical vein endothelial cells. Furthermore, TASP0277308 effectively blocked a VEGF-induced tube formation in vitro and significantly suppressed tumor cell-induced angiogenesis in vivo. These findings revealed that S1P{sub 1} is a critical component of VEGF-related angiogenic responses and also provide evidence for the efficacy of TASP0277308 for anti-cancer therapies.

26 CFR 1.985-1 - Functional currency.

Science.gov (United States)

2010-04-01

... the currency used in keeping its books and records (as defined in § 1.989(a)-1(d)). The dollar shall... 26 Internal Revenue 10 2010-04-01 2010-04-01 false Functional currency. 1.985-1 Section 1.985-1...) INCOME TAXES Export Trade Corporations § 1.985-1 Functional currency. (a) Applicability and effective...

Universal graphs at $\\aleph_{\\omega_1+1}$

OpenAIRE

Davis, Jacob

2016-01-01

Starting from a supercompact cardinal we build a model in which $2^{\\aleph_{\\omega_1}}=2^{\\aleph_{\\omega_1+1}}=\\aleph_{\\omega_1+3}$ but there is a jointly universal family of size $\\aleph_{\\omega_1+2}$ of graphs on $\\aleph_{\\omega_1+1}$. The same technique will work for any uncountable cardinal in place of $\\omega_1$.

An Epstein-Barr Virus MicroRNA Blocks Interleukin-1 (IL-1) Signaling by Targeting IL-1 Receptor 1.

Science.gov (United States)

Skinner, Camille M; Ivanov, Nikita S; Barr, Sarah A; Chen, Yan; Skalsky, Rebecca L

2017-11-01

Epstein-Barr virus (EBV) encodes >44 viral microRNAs (miRNAs) that are differentially expressed throughout infection, can be detected in Epstein-Barr virus (EBV)-positive tumors, and manipulate several biological processes, including cell proliferation, apoptosis, and immune responses. Here, we show that EBV BHRF1-2 miRNAs block NF-κB activation following treatment with proinflammatory cytokines, specifically interleukin-1β (IL-1β). Analysis of EBV PAR-CLIP miRNA targetome data sets combined with pathway analysis revealed multiple BHRF1-2 miRNA targets involved in interleukin signaling pathways. By further analyzing changes in cellular gene expression patterns, we identified the IL-1 receptor 1 (IL1R1) as a direct target of miR-BHRF1-2-5p. Targeting the IL1R1 3' untranslated region (UTR) by EBV miR-BHRF1-2-5p was confirmed using 3'-UTR luciferase reporter assays and Western blot assays. Manipulation of EBV BHRF1-2 miRNA activity in latently infected B cells altered steady-state cytokine levels and disrupted IL-1β responsiveness. These studies demonstrate functionally relevant BHRF1-2 miRNA interactions during EBV infection, which is an important step in understanding their roles in pathogenesis. IMPORTANCE IL-1 signaling plays an important role in inflammation and early activation of host innate immune responses following virus infection. Here, we demonstrate that a viral miRNA downregulates the IL-1 receptor 1 during EBV infection, which consequently alters the responsiveness of cells to IL-1 stimuli and changes the cytokine expression levels within infected cell populations. We postulate that this viral miRNA activity not only disrupts IL-1 autocrine and paracrine signaling loops that can alert effector cells to sites of infection but also provides a survival advantage by dampening excessive inflammation that may be detrimental to the infected cell. Copyright © 2017 American Society for Microbiology.

Metabolism of the hydrochlorofluorocarbon 1,2-dichloro-1,1-difluoroethane.

Science.gov (United States)

Harris, J W; Anders, M W

1991-01-01

1,2-Dichloro-1,1-difluoroethane (HCFC-132b) is a potential substitute for some ozone-depleting chlorofluorocarbons and a model for other 1,1,1,2-tetrahaloethanes under consideration as chlorofluorocarbon substitutes. Male Fischer 344 rats were given 10 mmol/kg HCFC-132b dissolved in corn oil by intraperitoneal injection. An NMR assay for covalent binding of HCFC-132b metabolites to liver proteins was negative, whereas binding was observed in halothane-treated rats. Total urinary metabolites excreted by rats given HCFC-132b during the first 24 h amounted to 1.8 +/- 0.1% of the injected dose, as determined by 19F NMR. During the first 6 h, metabolites of HCFC-132b corresponding to 2-chloro-2,2-difluoroethyl glucuronide, unknown metabolite A, chlorodifluoroacetic acid, and chlorodifluoroacetaldehyde hydrate [both free and conjugated (unknown metabolite B)] were excreted in urine in the approximate ratio 100:9:3:7, respectively. Metabolite A is apparently an O-conjugate of 2-chloro-2,2-difluoroethanol; unconjugated 2-chloro-2,2-difluoroethanol was not detected in urine. The 19F NMR spectrum of metabolite B indicates the formation of a hemiacetal of chlorodifluoroacetaldehyde. Repeated exposure of rats to HCFC-132b significantly increased both the rate of chlorodifluoroacetic acid excretion and the relative fraction of the HCFC-132b dose excreted as chlorodifluoroacetic acid in urine. Incubation of HCFC-132b with rat hepatic microsomes yielded chlorodifluoroacetaldehyde hydrate as the only fluorinated product. The in vitro metabolism of HCFC-132b was increased in microsomes from pyridine-treated rats as compared with control rats, and HCFC-132b metabolism was inhibited by p-nitrophenol, indicating that the cytochrome P-450 isoform IIE1 is largely responsible for the initial hydroxylation of HCFC-132b.

Optimization of GM(1,1) power model

Science.gov (United States)

Luo, Dang; Sun, Yu-ling; Song, Bo

2013-10-01

GM (1,1) power model is the expansion of traditional GM (1,1) model and Grey Verhulst model. Compared with the traditional models, GM (1,1) power model has the following advantage: The power exponent in the model which best matches the actual data values can be found by certain technology. So, GM (1,1) power model can reflect nonlinear features of the data, simulate and forecast with high accuracy. It's very important to determine the best power exponent during the modeling process. In this paper, according to the GM(1,1) power model of albino equation is Bernoulli equation, through variable substitution, turning it into the GM(1,1) model of the linear albino equation form, and then through the grey differential equation properly built, established GM(1,1) power model, and parameters with pattern search method solution. Finally, we illustrate the effectiveness of the new methods with the example of simulating and forecasting the promotion rates from senior secondary schools to higher education in China.

The chemistry of 1,1-dithiolates

DEFF Research Database (Denmark)

Henriksen, Lars; Autrup, Herman

1970-01-01

The reaction of dipotassium 2-nitroethylene-1,1-dithiolate (III) with α-halogeno aldehydes or ketones leads to derivatives of 3-nitro-thiophene-2-thiols. These reactions proceed by an acid catalyzed cyclization of the initially formed 1-(acylmethylthio)-2-nitroethylene-1-thiolates (IV). The infra...

Treatment of type 1 diabetic patients with glucagon-like peptide-1 (GLP-1) and GLP-1R agonists

DEFF Research Database (Denmark)

Kielgast, Urd; Holst, Jens Juul; Madsbad, Sten

2009-01-01

for a beta-cell preserving effect. This review summarizes the present knowledge of GLP-1 and its analogues regarding its role as a possible treatment in patients with type 1 diabetes. The studies that address the effect of GLP-1 and GLP-1 analogues on beta-cell mass in both type 2 and type 1 diabetes......, as well as the potential of GLP-1 as an adjuvant therapy in islet cell transplantation, will be reviewed. Suggestions for future studies of GLP-1 treatment in type 1 diabetes may include early treatment in order to preserve beta-cell mass and prolong the remission period, but should also take a potential...... appetite and bodyweight in obese subjects. In vivo studies using animal models of type 2 diabetes and in vitro studies using human islet cells have suggested that GLP-1 or GLP-1 analogues are also able to increase beta-cell mass, but in animal models of type 1 diabetes, there is much less evidence...

Genetic variation in genes for the xenobiotic-metabolizing enzymes CYP1A1, EPHX1, GSTM1, GSTT1 and GSTP1 and susceptibility to colorectal cancer in Lynch syndrome

Science.gov (United States)

Pande, Mala; Amos, Christopher I.; Osterwisch, Daniel R.; Chen, Jinyun; Lynch, Patrick M.; Broaddus, Russell; Frazier, Marsha L.

2011-01-01

Individuals with Lynch syndrome are predisposed to cancer due to an inherited DNA mismatch repair gene mutation. However, there is significant variability observed in disease expression, likely due to the influence of other environmental, lifestyle, or genetic factors. Polymorphisms in genes encoding xenobiotic-metabolizing enzymes may modify cancer risk by influencing the metabolism and clearance of potential carcinogens from the body. In this retrospective analysis, we examined key candidate gene polymorphisms in CYP1A1, EPHX1, GSTT1, GSTM1, and GSTP1 as modifiers of age at onset of colorectal cancer among 257 individuals with Lynch syndrome. We found that subjects heterozygous for CYP1A1 I462V (c.1384A>G) developed colorectal cancer 4 years earlier than those with the homozygous wild-type genotype (median ages 39 and 43 years, respectively; log-rank test P = 0.018). Furthermore, being heterozygous for the CYP1A1 polymorphisms, I462V and Msp1 (g.6235T>C), was associated with an increased risk for developing colorectal cancer [adjusted hazard ratio for AG relative to AA = 1.78, 95% CI = 1.16–2.74, P = 0.008; and hazard ratio for TC relative to TT = 1.53, 95% CI = 1.06–2.22, P = 0.02]. Since homozygous variants for both CYP1A1 polymorphisms were rare, risk estimates were imprecise. None of the other gene polymorphisms examined were associated with an earlier onset age for colorectal cancer. Our results suggest that the I462V and Msp1 polymorphisms in CYP1A1 may be an additional susceptibility factor for disease expression in Lynch syndrome since they modify the age of colorectal cancer onset by up to 4 years. PMID:18768509

Study of TiO2(1 1 0)-p(1x1), p(1x2) and p(1x3) surface structures by impact collision ion scattering spectroscopy (ICISS)

International Nuclear Information System (INIS)

Asari, E.; Souda, R.

2000-01-01

The surface structure of TiO 2 (1 1 0)-p(1x1), p(1x2) and p(1x3) were studied using impact collision ion scattering spectroscopy (ICISS). We found that (i) the height of bridging oxygen for the p(1x1) is comparative to that of bulk structure, (ii) the p(1x2) surface has the added Ti 2 O 3 unit rows proposed by Onishi et al. and also the oxygen atoms rows between Ti 2 O 3 unit rows and (iii) the p(1x3) surface is constructed with the same added Ti 2 O 3 unit rows as that in the p(1x2) surface, but the bridging oxygen rows exist between the Ti 2 O 3 unit rows

Genetic polymorphism of interleukin-1A (IL-1A), IL-1B, and IL-1 receptor antagonist (IL-1RN) and prostate cancer risk.

Science.gov (United States)

Xu, Hua; Ding, Qiang; Jiang, Hao-Wen

2014-01-01

We aimed to investigate the associations between polymorphisms of interleukin-1A (IL-1A), IL-1B, and IL-1 receptor antagonist (IL-1RN) and prostate cancer (PCa) risk. A comprehensive search for articles of MEDLINE and EMBASE databases and bibliographies of retrieved articles published up to August 3, 2014 was performed. Methodological quality assessment of the trials was based on a standard quality scoring system. The meta-analysis was performed using STATA 12.0. We included 9 studies (1 study for IL-1A, 5 studies for IL-1B, and 3 studies for IL-1RN), and significant association was found between polymorphisms of IL-1B-511 (rs16944) as well as IL-1B-31 (rs1143627) and PCa risk. IL-1B-511 (rs16944) polymorphism was significantly associated with PCa risk in homozygote and recessive models, as well as allele contrast (TT vs CC: OR, 0.74; 95%CI, 0.58-0.94; P=0.012; TT vs TC+CC; OR, 0.79; 95%CI, 0.63-0.98; P=0.033; T vs C: OR, 0.86; 95%CI, 0.77-0.96; P=0.008). The association between IL-1B-31 (rs1143627) polymorphism and PCa risk was weakly significant under a heterozygote model (OR, 1.35; 95%CI, 1.00-1.80; P=0.047). Sequence variants in IL-1B-511 (rs16944) and IL-1B-31 (rs1143627) are significantly associated with PCa risk, which provides additional novel evidence that proinflammatory cytokines and inflammation play an important role in the etiology of PCa.

Genetic polymorphisms in CYP1A1, GSTM1, GSTP1 and GSTT1 metabolic genes and risk of lung cancer in Asturias

International Nuclear Information System (INIS)

López-Cima, M Felicitas; Álvarez-Avellón, Sara M; Pascual, Teresa; Fernández-Somoano, Ana; Tardón, Adonina

2012-01-01

Metabolic genes have been associated with the function of metabolizing and detoxifying environmental carcinogens. Polymorphisms present in these genes could lead to changes in their metabolizing and detoxifying ability and thus may contribute to individual susceptibility to different types of cancer. We investigated if the individual and/or combined modifying effects of the CYP1A1 MspI T6235C, GSTM1 present/null, GSTT1 present/null and GSTP1 Ile105Val polymorphisms are related to the risk of developing lung cancer in relation to tobacco consumption and occupation in Asturias, Northern Spain. A hospital-based case–control study (CAPUA Study) was designed including 789 lung cancer patients and 789 control subjects matched in ethnicity, age, sex, and hospital. Genotypes were determined by PCR or PCR-RFLP. Individual and combination effects were analysed using an unconditional logistic regression adjusting for age, pack-years, family history of any cancer and occupation. No statistically significant main effects were observed for the carcinogen metabolism genes in relation to lung cancer risk. In addition, the analysis did not reveal any significant gene-gene, gene-tobacco smoking or gene-occupational exposure interactions relative to lung cancer susceptibility. Lastly, no significant gene-gene combination effects were observed. These results suggest that genetic polymorphisms in the CYP1A1, GSTM1, GSTT1 and GSTP1 metabolic genes were not significantly associated with lung cancer risk in the current study. The results of the analysis of gene-gene interactions of CYP1A1 MspI T6235C, GSTM1 present/null, GSTT1 present/null and GSTP1 Ile105Val polymorphisms in lung cancer risk indicate that these genes do not interact in lung cancer development

26 CFR 1.1201-1 - Alternative tax.

Science.gov (United States)

2010-04-01

... 26 Internal Revenue 11 2010-04-01 2010-04-01 true Alternative tax. 1.1201-1 Section 1.1201-1 Internal Revenue INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) INCOME TAX (CONTINUED) INCOME TAXES Wash Sales of Stock Or Securities § 1.1201-1 Alternative tax. (a) Corporations—(1) In...

RHM 1(1).indb

African Journals Online (AJOL)

mike

Research in Hospitality Management 2011, 1(1): 31–35. Printed in South ... perspective of tourism, this research examines the branding strategies of Qatar. To the Qatari, the ... and attempt to present the case of this country through broad description ... In this paper, the dreamland concept forms a framework for reflecting on ...

26 CFR 1.267(b)-1 - Relationships.

Science.gov (United States)

2010-04-01

... 26 Internal Revenue 3 2010-04-01 2010-04-01 false Relationships. 1.267(b)-1 Section 1.267(b)-1...) INCOME TAXES Items Not Deductible § 1.267(b)-1 Relationships. (a) In general. (1) The persons referred to... partnership separately. Therefore, if the other person and a partner are within any one of the relationships...

2-[1-(1-Naphthyl-1H-1,2,3-triazol-4-yl]pyridine

Directory of Open Access Journals (Sweden)

Ulrich S. Schubert

2009-05-01

Full Text Available In the crystal structure of the title compound, C17H12N4, the angle between the naphthalene and 1H-1,2,3-triazole ring systems is 71.02 (4° and that between the pyridine and triazole rings is 8.30 (9°.

Non(anti)commutative N = (1,1/2) supersymmetric U(1) gauge theory

International Nuclear Information System (INIS)

Araki, Takeo; Ito, Katsushi; Ohtsuka, Akihisa

2005-01-01

We study a reduction of deformation parameters in non(anti)commutative N = 2 harmonic superspace to those in non(anti)commutative N = 1 superspace. By this reduction we obtain the exact gauge and supersymmetry transformations in the Wess-Zumino gauge of non(anti)commutative N = 2 supersymmetric U(1) gauge theory defined in the deformed harmonic superspace. We also find that the action with the first order correction in the deformation parameter reduces to the one in the N = 1 superspace by some field redefinition. We construct deformed N = (1,1/2) supersymmetry in N = 2 supersymmetric U(1) gauge theory in non(anti)commutative N = 1 superspace

Novel 1H-1,2,3-, 2H-1,2,3-, 1H-1,2,4- and 4H-1,2,4-triazole derivatives: a patent review (2008 - 2011).

Science.gov (United States)

Ferreira, Vitor F; da Rocha, David R; da Silva, Fernando C; Ferreira, Patrícia G; Boechat, Núbia A; Magalhães, Jorge L

2013-03-01

The triazoles represent a class of five-membered heterocyclic compounds of great importance for the preparation of new drugs with diverse biological activities because they may present several structural variations with the same numbers of carbon and nitrogen atoms. Due to the success of various triazoles that entered the pharmaceutical market and are still being used in medicines, many companies and research groups have shown interest in developing new methods of synthesis and biological evaluation of potential uses for these compounds. In this review, the authors explored aspects of patents for the 1H-1,2,3-, 2H-1,2,3-, 1H-1,2,4- and 4H-1,2,4-triazole families, including prototypes being considered in clinical studies between 2008 and 2011. The triazoles have been studied for over a century as an important class of heterocyclic compounds and still attract considerable attention due to their broad range of biological activities. More recently, there has been considerable interest in the development of novel triazoles with anti-inflammatory, antiplatelet, antimicrobial, antimycobacterial, antitumoral and antiviral properties and activity against several neglected diseases. This review emphasizes recent perspective and advances in the therapeutically active 1H-1,2,3-, 2H-1,2,3-, 1H-1,2,4- and 4H-1,2,4-triazole derivative patents between 2008 and 2011, covering the development of new chemical entities and new pharmaceuticals. Many studies have focused on these compounds as target structures and evaluated them in several biological targets. The preparation of 1H-1,2,3-, 2H-1,2,3-, 1H-1,2,4- and 4H-1,2,4-triazole derivatives brings to light several issues. There is a need to find new, more efficient preparations for these triazoles that take into consideration current issues in green chemistry, energy saving and sustainability. New diseases are discovered and new viruses and bacteria continue to challenge mankind, so it is imperative to find new prototypes for these

26 CFR 1.382-1T - [Reserved

Science.gov (United States)

2010-04-01

... 26 Internal Revenue 4 2010-04-01 2010-04-01 false [Reserved] 1.382-1T Section 1.382-1T Internal Revenue INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) INCOME TAX (CONTINUED) INCOME TAXES Insolvency Reorganizations § 1.382-1T [Reserved] ...

author's correction 1..1

Indian Academy of Sciences (India)

J. Genet. 89, e25Ye29 (http://www.ias.ac.in/jgenet/OnlineResources/90/e25.pdf). In table 1, for locus Aaz1, the core motif should be (ACAT)8 ATAAA(TG)6 and not (ACAT)8. Genetic polymorphism of serotonin transporter 5-HTTLPR: involvement in smoking behaviour. Maria Angelica Ehara Watanabe, Sandra Odebrechet ...

Study on characteristic differences of wheat 1Ax1 and 1Ax2* NILS obtained by transgenic HMW-GS 1Dx5 + 1Dy10 gene

International Nuclear Information System (INIS)

Sun Yan; Zhang Hongji; Liu Dongjun; Qi Qianqian; Yang Shuping; Guo Yipan; Ma Shumei; Liu Wenlin; Wang Guangjin; Zhao Wei

2012-01-01

Use wheat 1Ax1 and 1Ax2* NILS obtained by transgenic HMW-GS 1Dx5 + 1Dy10 gene, characteristics differences have been studied. The two-year results showed that the statistical differences in seed quality parameters, farinogram parameters, extensigram parameters, botany characters and main agricultural characters between 1Ax1 and 1Ax2* were not significant. We considered that 08K860 and 08K871 are similar in hereditary background, 1Ax1 and 1Ax2* have identical contribute on quality. Breeder should attach to 1Ax1 and 1Ax2* identically on wheat breeding. (authors)

Study on characteristic differences of wheat 1Ax1 and 1Ax2* NILS obtained by transgenic HMW-GS 1Dx5+1Dy10 gene

International Nuclear Information System (INIS)

Sun Yan; Zhang Hongji; Liu Dongjun; Qi Qianqian; Yang Shuping; Guo Yifan; Ma Shumei; Liu Wenlin; Wang Guangjin; Zhao Wei

2011-01-01

Use wheat 1Ax1 and 1Ax2 * NILS obtained by transgenic HMW-GS 1Dx5+1Dy10 gene, characteristics differences have been studied. The two-year results showed that the statistical differences in seed quality parameters, farinogram parameters, extensigram parameters, botany characters and main agricultural characters between 1Ax1 and 1Ax2 * were not significant. We considered that 08K860 and 08K871 are similar in hereditary background, 1Ax1 and 1Ax2 * have identical contribute on quality. Breeder should atlach to 1Ax1 and 1Ax2 * identically on wheat breeding. (authors)

X-ray Molecular Structure of ({[(1E)-3-(1H-Imidazol-1-yl)-1 ...

African Journals Online (AJOL)

1Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud ... Results: The titled compound crystallized in the triclinic space group P-1 with a = 11.0719 (7) Е, b = ..... Jeng MR, Feusner J. Itraconazole-enhanced vincristine.

The chemistry of 1,1-dithiolates

DEFF Research Database (Denmark)

Henriksen, L.; Autrup, Herman

1972-01-01

A series of thieno[3,2-e]-3,4-dihydro-1,2,3-triazin-4-ones (V) and thieno[3,4-e]-3,4-dihydro-1,2,3-triazin-4-ones (VI) were prepared by diazotation of 3-aminothiophene-2-carboxamides (III) and 4-amino-thiophene-3-carboxamides (IV), respectively, both obtained by cyclization of 2-cyanoethylene-1,1...

Geological and geomorphological methods for petroleum prospection in the center and west of Cuba

Directory of Open Access Journals (Sweden)

Lourdes Jimenez -de la Fuente

2017-01-01

Full Text Available The provinces of Holguin and Las Tunas have potential gas and oil resources which have not yet been fully discovered. Therefore, an assessment is completed to identify potential areas for hydrocarbon prospection based on the geological and geomorphological methods and supported by geophysical methods. Numerous proofs of the existence of oils in the surface and gas being reported in the petroleum wells are sufficient elements to think that there is an active petroleum system in the area. The analysis is supported by information given on the geological surface maps on scale of 1:100 000, satellite and radar images, information of surface occurrence of hydrocarbons, drilled wells and recent field work and geophysical interpretation results. The main results include the identification of two areas for petroleum exploration: the Maniabón-La Farola is identified as the most potential area and the second one is to the north of the Picanes well 1x. Neotectonic processes are identified to have a strong influence on the first area, which allowed delimitating petroleum system elements through geological and geomorphological methods.

26 CFR 1.998-1.1000 - [Reserved

Science.gov (United States)

2010-04-01

... 26 Internal Revenue 10 2010-04-01 2010-04-01 false [Reserved] 1.998-1.1000 Section 1.998-1.1000 Internal Revenue INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) INCOME TAX (CONTINUED) INCOME TAXES Domestic International Sales Corporations §§ 1.998-1.1000 [Reserved] ...

H1N1 influenza (Swine flu)

Science.gov (United States)

Swine flu; H1N1 type A influenza ... The H1N1 virus is now considered a regular flu virus. It is one of the three viruses included in the regular (seasonal) flu vaccine . You cannot get H1N1 flu virus from ...

26 CFR 1.162-1 - Business expenses.

Science.gov (United States)

2010-04-01

... 26 Internal Revenue 2 2010-04-01 2010-04-01 false Business expenses. 1.162-1 Section 1.162-1...) INCOME TAXES (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.162-1 Business expenses. (a) In general. Business expenses deductible from gross income include the ordinary and necessary...

Mechanism of Folding and Activation of Subtilisin Kexin Isozyme-1 (SKI-1)/Site-1 Protease (S1P)*

Science.gov (United States)

da Palma, Joel Ramos; Cendron, Laura; Seidah, Nabil Georges; Pasquato, Antonella; Kunz, Stefan

2016-01-01

The proprotein convertase subtilisin kexin isozyme-1 (SKI-1)/site-1 protease (S1P) is implicated in lipid homeostasis, the unfolded protein response, and lysosome biogenesis. The protease is further hijacked by highly pathogenic emerging viruses for the processing of their envelope glycoproteins. Zymogen activation of SKI-1/S1P requires removal of an N-terminal prodomain, by a multistep process, generating the mature enzyme. Here, we uncover a modular structure of the human SKI-1/S1P prodomain and define its function in folding and activation. We provide evidence that the N-terminal AB fragment of the prodomain represents an autonomous structural and functional unit that is necessary and sufficient for folding and partial activation. In contrast, the C-terminal BC fragment lacks a defined structure but is crucial for autoprocessing and full catalytic activity. Phylogenetic analysis revealed that the sequence of the AB domain is highly conserved, whereas the BC fragment shows considerable variation and seems even absent in some species. Notably, SKI-1/S1P of arthropods, like the fruit fly Drosophila melanogaster, contains a shorter prodomain comprised of full-length AB and truncated BC regions. Swapping the prodomain fragments between fly and human resulted in a fully mature and active SKI-1/S1P chimera. Our study suggests that primordial SKI-1/S1P likely contained a simpler prodomain consisting of the highly conserved AB fragment that represents an independent folding unit. The BC region appears as a later evolutionary acquisition, possibly allowing more subtle fine-tuning of the maturation process. PMID:26645686

KAP1 regulates type I interferon/STAT1-mediated IRF-1 gene expression

International Nuclear Information System (INIS)

Kamitani, Shinya; Ohbayashi, Norihiko; Ikeda, Osamu; Togi, Sumihito; Muromoto, Ryuta; Sekine, Yuichi; Ohta, Kazuhide; Ishiyama, Hironobu; Matsuda, Tadashi

2008-01-01

Signal transducers and activators of transcription (STATs) mediate cell proliferation, differentiation, and survival in immune responses, hematopoiesis, neurogenesis, and other biological processes. Recently, we showed that KAP1 is a novel STAT-binding partner that regulates STAT3-mediated transactivation. KAP1 is a universal co-repressor protein for the KRAB zinc finger protein superfamily of transcriptional repressors. In this study, we found KAP1-dependent repression of interferon (IFN)/STAT1-mediated signaling. We also demonstrated that endogenous KAP1 associates with endogenous STAT1 in vivo. Importantly, a small-interfering RNA-mediated reduction in KAP1 expression enhanced IFN-induced STAT1-dependent IRF-1 gene expression. These results indicate that KAP1 may act as an endogenous regulator of the IFN/STAT1 signaling pathway

Theophylline–gentisic acid (1/1

Directory of Open Access Journals (Sweden)

Srinivasulu Aitipamula

2009-09-01

Full Text Available In the title 1:1 cocrystal, C7H8N4O2·C7H6O4, the anti-asthmatic drug theophylline (systematic name: 1,3-dimethyl-7H-purine-2,6-dione and a non-steroidal anti-inflammatory drug, gentisic acid (systematic name: 2,5-dihydroxybenzoic acid crystallize together, forming two-dimensional hydrogen-bonded sheets involving N—H...O and O—H...N hydrogen bonds. The overall crystal packing features π–π stacking interactions [centroid–centroid distance = 3.348 (1 Å]. The cocrystal described herein belongs to the class of pharmaceutical cocrystals involving two active pharmaceutical ingredients which has been relatively unexplored to date.

Kinetics of transformation of 1,1,1-trichloroethane by Fe(II) in cement slurries

International Nuclear Information System (INIS)

Jung, Bahngmi; Batchelor, Bill

2009-01-01

This study examines the applicability of the iron-based degradative solidification/stabilization (DS/S-Fe(II)) process to 1,1,1-trichloroethane (1,1,1-TCA), which is one of common chlorinated aliphatic hydrocarbons (CAHs) of concern at contaminated sites. DS/S-Fe(II) combines contaminant degradation by Fe(II) and immobilization by the hydration reactions of Portland cement. The transformation of 1,1,1-TCA by Fe(II) in 10% Portland cement slurries was studied using a batch slurry reactor system. The effects of Fe(II) dose, pH, and initial concentration of 1,1,1-TCA on the kinetics of 1,1,1-TCA degradation were evaluated. Degradation of 1,1,1-TCA in cement slurries including Fe(II) was very rapid and could be described by a pseudo-first-order rate law. The half-lives for 1,1,1-TCA were measured between 0.4 and 5 h when Fe(II) dose ranged from 4.9 to 39.2 mM. The pseudo-first-order rate constant increased with pH to a maximum near pH 12.5. A saturation rate equation was able to predict degradation kinetics over a wide range of target organic concentrations and at higher Fe(II) doses. The major transformation product of 1,1,1-TCA in mixtures of Fe(II) and cement was 1,1-dichloroethane (1,1-DCA), which indicates that degradation occurred by a hydrogenolysis pathway. A small amount of ethane was observed. The conversion of 1,1,1-TCA to ethane was better described by a parallel reaction model than by a consecutive reaction model

Sphingosine kinase 1/sphingosine-1-phosphate (S1P)/S1P receptor axis is involved in ovarian cancer angiogenesis.

Science.gov (United States)

Dai, Lan; Liu, Yixuan; Xie, Lei; Wu, Xia; Qiu, Lihua; Di, Wen

2017-09-26

Sphingosine kinase (SphK)/sphingosine-1-phosphate (S1P)/S1P receptor (S1PR) signaling pathway has been implicated in a variety of pathological processes of ovarian cancer. However, the function of this axis in ovarian cancer angiogenesis remains incompletely defined. Here we provided the first evidence that SphK1/S1P/S1PR 1/3 pathway played key roles in ovarian cancer angiogenesis. The expression level of SphK1, but not SphK2, was closely correlated with the microvascular density (MVD) of ovarian cancer tissue. In vitro , the angiogenic potential and angiogenic factor secretion of ovarian cancer cells could be attenuated by SphK1, but not SphK2, blockage and were restored by the addition of S1P. Moreover, in these cells, we found S1P stimulation induced the angiogenic factor secretion via S1PR 1 and S1PR 3 , but not S1PR 2 . Furthermore, inhibition of S1PR 1/3 , but not S1PR 2 , attenuated the angiogenic potential and angiogenic factor secretion of the cells. in vivo , blockage of SphK or S1PR 1/3 could attenuate ovarian cancer angiogenesis and inhibit angiogenic factor expression in mouse models. Collectively, the current study showed a novel role of SphK1/S1P/S1PR 1/3 axis within the ovarian cancer, suggesting a new target to block ovarian cancer angiogenesis.

KDM2B Recruitment of the Polycomb Group Complex, PRC1.1, Requires Cooperation between PCGF1 and BCORL1.

Science.gov (United States)

Wong, Sarah J; Gearhart, Micah D; Taylor, Alexander B; Nanyes, David R; Ha, Daniel J; Robinson, Angela K; Artigas, Jason A; Lee, Oliver J; Demeler, Borries; Hart, P John; Bardwell, Vivian J; Kim, Chongwoo A

2016-10-04

KDM2B recruits H2A-ubiquitinating activity of a non-canonical Polycomb Repression Complex 1 (PRC1.1) to CpG islands, facilitating gene repression. We investigated the molecular basis of recruitment using in vitro assembly assays to identify minimal components, subcomplexes, and domains required for recruitment. A minimal four-component PRC1.1 complex can be assembled by combining two separately isolated subcomplexes: the DNA-binding KDM2B/SKP1 heterodimer and the heterodimer of BCORL1 and PCGF1, a core component of PRC1.1. The crystal structure of the KDM2B/SKP1/BCORL1/PCGF1 complex illustrates the crucial role played by the PCGF1/BCORL1 heterodimer. The BCORL1 PUFD domain positions residues preceding the RAWUL domain of PCGF1 to create an extended interface for interaction with KDM2B, which is unique to the PCGF1-containing PRC1.1 complex. The structure also suggests how KDM2B might simultaneously function in PRC1.1 and an SCF ubiquitin ligase complex and the possible molecular consequences of BCOR PUFD internal tandem duplications found in pediatric kidney and brain tumors. Copyright © 2016 Elsevier Ltd. All rights reserved.

26 CFR 1.860-1 - Deficiency dividends.

Science.gov (United States)

2010-04-01

... 26 Internal Revenue 9 2010-04-01 2010-04-01 false Deficiency dividends. 1.860-1 Section 1.860-1 Internal Revenue INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) INCOME TAX (CONTINUED) INCOME TAXES Real Estate Investment Trusts § 1.860-1 Deficiency dividends. Section 860 allows a qualified...

26 CFR 1.1311(a)-1 - Introduction.

Science.gov (United States)

2010-04-01

... 26 Internal Revenue 11 2010-04-01 2010-04-01 true Introduction. 1.1311(a)-1 Section 1.1311(a)-1 Internal Revenue INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) INCOME TAX (CONTINUED) INCOME TAXES Readjustment of Tax Between Years and Special Limitations § 1.1311(a)-1 Introduction. (a...

26 CFR 1.61-1 - Gross income.

Science.gov (United States)

2010-04-01

... 26 Internal Revenue 2 2010-04-01 2010-04-01 false Gross income. 1.61-1 Section 1.61-1 Internal Revenue INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) INCOME TAX (CONTINUED) INCOME TAXES (CONTINUED) Definition of Gross Income, Adjusted Gross Income, and Taxable Income § 1.61-1 Gross...

BMI1 loss delays photoreceptor degeneration in Rd1 mice. Bmi1 loss and neuroprotection in Rd1 mice.

Science.gov (United States)

Zencak, Dusan; Crippa, Sylvain V; Tekaya, Meriem; Tanger, Ellen; Schorderet, Daniel E; Munier, Francis L; van Lohuizen, Maarten; Arsenijevic, Yvan

2006-01-01

Retinitis pigmentosa (RP) is a heterogeneous group of genetic disorders leading to blindness, which remain untreatable at present. Rd1 mice represent a recognized model of RP, and so far only GDNF treatment provided a slight delay in the retinal degeneration in these mice. Bmi1, a transcriptional repressor, has recently been shown to be essential for neural stem cell (NSC) renewal in the brain, with an increased appearance of glial cells in vivo in Bmi1 knockout (Bmi1-/-) mice. One of the roles of glial cells is to sustain neuronal function and survival. In the view of a role of the retinal Miller glia as a source of neural protection in the retina, the increased astrocytic population in the Bmi1-/- brain led us to investigate the effect of Bmi1 loss in Rd1 mice. We observed an increase of Müller glial cells in Rd1-Bmi1-/- retinas compared to Rd1. Moreover, Rd1-Bmi1-/- mice showed 7-8 rows of photoreceptors at 30 days of age (P30), while in Rd1 littermates there was a complete disruption of the outer nuclear layer (ONL). Preliminary ERG results showed a responsiveness of Rd1-Bmi1-/- mice in scotopic vision at P35. In conclusion, Bmi1 loss prevented, or rescued, photoreceptors from degeneration to an unanticipated extent in Rd1 mice. In this chapter, we will first provide a brief review of our work on the cortical NSCs and introduce the Bmi1 oncogene, thus offering a rational to our observations on the retina.

Potential of zero free charge of Pd overlayers on Pt(1 1 1)

International Nuclear Information System (INIS)

El-Aziz, A.M.; Hoyer, R.; Kibler, L.A.; Kolb, D.M.

2006-01-01

Differential capacitance measurements of Pd overlayers on a Pt(1 1 1) electrode in dilute aqueous NaF solutions have been performed as a function of film thickness in order to determine the potential of zero free charge (pzfc). The pzfc of the first, pseudomorphic Pd monolayer on Pt(1 1 1) is -0.21 V versus SCE. By increasing the amount of deposited Pd, a clear shift of the pzfc to more positive values is observed. After deposition of an equivalent of 10 monolayers, the value approaches that of a massive Pd(1 1 1) electrode (-0.12 V versus SCE). The pzfc's for the various Pd coverages are correlated with surface structure information, derived from STM images (R. Hoyer, L.A. Kibler, D.M. Kolb, Electrochim. Acta 49 (2003) 63). Variations in the pzfc are discussed in the context of an electronic modification by the underlying substrate and are compared with corresponding data for Pd overlayers on Au(1 1 1)

Synthesis and antimicrobial properties of 3-aryl-1-(1,1'-biphenyl-4-yl)-2-(1H-imidazol-1-yl)propanes as 'carba-analogues' of the N-arylmethyl-N-[(1,1'-biphenyl)-4-ylmethyl])-1H-imidazol-1-amines, a new class of antifungal agents.

Science.gov (United States)

Castellano, Sabrina; Stefancich, Giorgio; Chillotti, Annalisa; Poni, Graziella

2003-08-01

A new series of 3-phenyl-1-(1,1'-biphenyl-4-yl)-2-(1H-imidazol-1-yl)propane derivatives 2a-l (related to the antifungal bifonazole) was synthesized and tested for antimicrobial activity. A number of substituents on the phenyl ring were chosen to compare the relative biological properties with those of corresponding aza-analogues, previously described by us. The in vitro antifungal activities of the newly synthesized azoles were tested against several pathogenic fungi responsible for human disease. Test pathogens included representatives of yeasts (Candida albicans, Candida parapsilosis, Criptococcus neoformans), dermathophytes (Tricophyton verrucosum, Tricophyton rubrum, Microsporum gypseum) and moulds (Aspergillus fumigatus). Bifonazole and miconazole were used as reference drugs. Title compounds were prepared by alkylation of 1-biphenyl-4-yl-2-imidazol-1-yl-ethanone with the proper arylmethyl halide and subsequent reduction of corresponding ketones applying the Huang-Minlon modification of the Wolff-Kishner reaction.

Determination of taste receptor type 1 member 1 (TAS1R1) gene ...

African Journals Online (AJOL)

In this article, the objective was to investigate variations in goat TAS1R1 gene and their associations with growth traits in 317 goats by PCR-SSCP and DNA sequencing methods. The results showed two novel single nucleotide polymorphisms (SNPs): HM449123:g. [T3974C, C4037T]. In detail, two different alleles, A and B, ...

1,1´,1´´-(2,4,6-Trihydroxybenzene-1,3,5-triyl)triethanone tautomerism revisited

DEFF Research Database (Denmark)

Hansen, Poul Erik; Kamounah, Fadhil S.; Zhiryakova, Diana

2014-01-01

It has recently been suggested that 1,1′,1′′-(2,4,6-trihydroxybenzene-1,3,5-triyl)triethanone may be tautomeric. Using 13C NMR chemical shifts and deuterium isotope effects on 13C chemical shifts, it is demonstrated that this is not the case. This compound occurs as a strongly hydrogen bonded ben...

26 CFR 1.166-1 - Bad debts.

Science.gov (United States)

2010-04-01

... 26 Internal Revenue 2 2010-04-01 2010-04-01 false Bad debts. 1.166-1 Section 1.166-1 Internal... TAXES (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.166-1 Bad debts. (a... shall be allowed in respect of bad debts owed to the taxpayer. For this purpose, bad debts shall...

26 CFR 1.502-1 - Feeder organizations.

Science.gov (United States)

2010-04-01

... 26 Internal Revenue 7 2010-04-01 2010-04-01 true Feeder organizations. 1.502-1 Section 1.502-1...) INCOME TAXES (CONTINUED) Exempt Organizations § 1.502-1 Feeder organizations. (a) In the case of an organization operated for the primary purpose of carrying on a trade or business for profit, exemption is not...

26 CFR 1.761-1 - Terms defined.

Science.gov (United States)

2010-04-01

... TAXES Definitions § 1.761-1 Terms defined. (a) Partnership. The term partnership means a partnership as... 26 Internal Revenue 8 2010-04-01 2010-04-01 false Terms defined. 1.761-1 Section 1.761-1 Internal... means a member of a partnership. (c) Partnership agreement. For the purposes of subchapter K, a...

1918 pandemic H1N1 DNA vaccine protects ferrets against 2007 H1N1 virus infection

DEFF Research Database (Denmark)

Bragstad, Karoline; Martel, Cyril Jean-Marie; Aasted, Bent

of the H1N1 pandemic virus from 1918 induce protection in ferrets against infection with a H1N1 (A/New Caledonia/20/99(H1N1)) virus which was included in the conventional vaccine for the 2006-2007 season. The viruses are separated by a time interval of 89 years and differ by 21.2% in the HA1 protein...

Mechanism of Folding and Activation of Subtilisin Kexin Isozyme-1 (SKI-1)/Site-1 Protease (S1P).

Science.gov (United States)

da Palma, Joel Ramos; Cendron, Laura; Seidah, Nabil Georges; Pasquato, Antonella; Kunz, Stefan

2016-01-29

The proprotein convertase subtilisin kexin isozyme-1 (SKI-1)/site-1 protease (S1P) is implicated in lipid homeostasis, the unfolded protein response, and lysosome biogenesis. The protease is further hijacked by highly pathogenic emerging viruses for the processing of their envelope glycoproteins. Zymogen activation of SKI-1/S1P requires removal of an N-terminal prodomain, by a multistep process, generating the mature enzyme. Here, we uncover a modular structure of the human SKI-1/S1P prodomain and define its function in folding and activation. We provide evidence that the N-terminal AB fragment of the prodomain represents an autonomous structural and functional unit that is necessary and sufficient for folding and partial activation. In contrast, the C-terminal BC fragment lacks a defined structure but is crucial for autoprocessing and full catalytic activity. Phylogenetic analysis revealed that the sequence of the AB domain is highly conserved, whereas the BC fragment shows considerable variation and seems even absent in some species. Notably, SKI-1/S1P of arthropods, like the fruit fly Drosophila melanogaster, contains a shorter prodomain comprised of full-length AB and truncated BC regions. Swapping the prodomain fragments between fly and human resulted in a fully mature and active SKI-1/S1P chimera. Our study suggests that primordial SKI-1/S1P likely contained a simpler prodomain consisting of the highly conserved AB fragment that represents an independent folding unit. The BC region appears as a later evolutionary acquisition, possibly allowing more subtle fine-tuning of the maturation process. © 2016 by The American Society for Biochemistry and Molecular Biology, Inc.

Evaluation excitation functions for "2"8Si(n,p)"2"8Al, "3"1P(n,p)"3"1Si, and "1"1"3In(n,γ)"1"1"4"mIn reactions

International Nuclear Information System (INIS)

Zolotarev, K.I.

2014-10-01

Cross section data for "2"8Si(n,p)"2"8Al, "3"1P(n,p)"3"1Si and "1"1"3In(n,γ)"1"1"4"mIn reactions are needed for solving a wide spectrum of scientific and technical tasks. The excitation function of "2"8Si(n,p)"2"8Al reaction refers to the nuclear data involved in fusion reactor design calculations. The "2"8Si(n,p)"2"8Al reaction is interesting also as the monitor reaction for measurements at fusion facilities. Activation detectors on the basis of the 31P(n,p)31Si reaction are commonly used in the reactor dosimetry. The "1"1"3In(n,γ)"1"1"4"mIn reaction is promising regarding reactor dosimetry application for two reasons. First, due to the "1"1"4"mIn decay parameters which are rather suitable for activation measurements. Half-life of "1"1"4"mIn is equal to T_1/_2 = (49.51 ± 0.01) days and gamma spectrum accompanying decay has only one line with energy 190.27 keV and intensity (15.56 ± 0.15)%. Second, the "1"1"3In(n,γ)"1"1"4"mIn reaction rate may be measured by using one activation detector simultaneously with the "1"1"5In(n,γ)"1"1"6"mIn reaction. Preliminary analysis of existing evaluated excitation functions for "2"8Si(n,p)"2"8Al, "3"1P(n,p)"3"1Si and "1"1"3In(n,γ)"1"1"4"mIn reactions show that new evaluations are needed for all above mentioned reactions. This report is devoted to the preparation of the new evaluations of cross sections data and related covariance matrixes of uncertainties for the "2"8Si(n,p)"2"8Al, "3"1P(n,p)"3"1Si and "1"1"3In(n,γ)"1"1"4"mIn reactions.

In situ activation of benzyl alcohols with XtalFluor-E: formation of 1,1-diarylmethanes and 1,1,1-triarylmethanes through Friedel-Crafts benzylation.

Science.gov (United States)

Desroches, Justine; Champagne, Pier Alexandre; Benhassine, Yasmine; Paquin, Jean-François

2015-02-28

The Friedel-Crafts benzylation of arenes using benzyl alcohols activated in situ with XtalFluor-E is described. A wide range of 1,1-diarylmethanes and 1,1,1-triarylmethanes were prepared under experimentally simple and mild conditions, without the need for a transition metal or a strong Lewis acid. Notably, the reactivity observed demonstrates the potential of XtalFluor-E to induce C-OH bond ionization and SN1 reactivity of benzylic alcohols.

"1"8F-FBPA as a tumor-specific probe of L-type amino acid transporter 1 (LAT1): a comparison study with "1"8F-FDG and "1"1C-Methionine PET

International Nuclear Information System (INIS)

Watabe, Tadashi; Ikeda, Hayato; Aoki, Masanao; Nagamori, Shushi; Wiriyasermkul, Pattama; Tanaka, Yoko; Hagiwara, Kohei; Kanai, Yoshikatsu; Naka, Sadahiro; Kanai, Yasukazu; Shimosegawa, Eku; Hatazawa, Jun

2017-01-01

The purpose of this study was to evaluate the usefulness of L-4-borono-2-"1"8F-fluoro-phenylalanine ("1"8F-FBPA) as a tumor-specific probe, in comparison to "1"8F-FDG and "1"1C-methionine (Met), focusing on its transport selectivity by L-type amino acid transporter 1 (LAT1), which is highly upregulated in cancers. Cellular analyses of FBPA were performed to evaluate the transportability and K_m value. PET studies were performed in rat xenograft models of C6 glioma (n = 12) and in rat models of turpentine oil-induced subcutaneous inflammation (n = 9). The kinetic parameters and uptake values on static PET images were compared using the one-tissue compartment model (K_1, k_2) and maximum standardized uptake value (SUVmax). The cellular analyses showed that FBPA had a lower affinity to a normal cell-type transporter LAT2 and induced less efflux through LAT2 among FBPA, Met, and BPA, while the efflux through LAT1 induced by FBPA was similar among the three compounds. The K_m value of "1"8F-FBPA for LAT1 (196.8 ± 11.4 μM) was dramatically lower than that for LAT2 (2813.8 ± 574.5 μM), suggesting the higher selectivity of "1"8F-FBPA for LAT1. K_1 and k_2 values were significantly smaller in "1"8F-FBPA PET (K_1 = 0.04 ± 0.01 ml/ccm/min and k_2 = 0.07 ± 0.01 /min) as compared to "1"1C-Met PET (0.22 ± 0.09 and 0.52 ± 0.10, respectively) in inflammatory lesions. Static PET analysis based on the SUVmax showed significantly higher accumulation of "1"8F-FDG in the tumor and inflammatory lesions (7.2 ± 2.1 and 4.6 ± 0.63, respectively) as compared to both "1"8F-FBPA (3.2 ± 0.40 and 1.9 ± 0.19) and "1"1C-Met (3.4 ± 0.43 and 1.6 ± 0.11). No significant difference was observed between "1"8F-FBPA and "1"1C-Met in the static PET images. This study shows the utility of "1"8F-FBPA as a tumor-specific probe of LAT1 with low accumulation in the inflammatory lesions. (orig.)

Structure of intruder band in "1"1"9"-"1"2"9Xe

International Nuclear Information System (INIS)

Sharma, H.P.; Chakraborty, S.; Tiwary, S.S.

2017-01-01

Xe isotopes in A∼130 mass region are known for their variety of structural phenomena, such as, unexpected signature splitting, signature inversion, γ-vibration etc. These phenomena are associated to axialy asymmetric shape. The triaxial shape in Xe nuclei are expected to originate due to the availability of prolate driving low-Ω πh_1_1_/_2 orbital and oblate driving high-Ω νh11/2 orbital near Fermi surface. The observed experimental E (4"+)/E (2"+) value (∼2.5) also support the γ-soft nature of these nuclei. Interestingly, both proton and neutron alignments have been observed in νh_1_1_/_2 band in "1"1"9"-"1"2"5Xe and neutron alignment dominates. In "1"2"9Xe, proton alignment reported to dominate. It is also supported by TPRM calculations, although, there are no significant change in the neutron orbitals. Whether this change in the alignment is occurred at N=75 or 73 is not known. Therefore, it is interesting to understand the status of the neutron and proton alignment in "1"2"7Xe, which are not studied well. Hence, in-beam γ-ray spectroscopy of "1"2"7Xe was carried out using "1"2"2Sn("9Be, 4nγ) fusion-evaporation reaction at 48 MeV using INGA facility at Inter-University Accelerator Centre, New Delhi. Details of the analysis and results will be discussed during the conference. (author)

Dehydrochlorination of 1,1,1-trichloroethane and pentachloroethane by microbially reduced ferruginous smectite.

Science.gov (United States)

Cervini-Silva, Javiera; Kostka, Joel E; Larson, Richard A; Stucki, Joseph W; Wu, Jun

2003-05-01

Reduction of structural Fe(III) in smectite clay minerals has been identified as a means to promote dechlorination of polychlorinated ethanes, but its environmental significance has yet to be fully assessed because Fe reduction has normally been achieved by agents uncommon in the environment (e.g., dithionite). This study reports the dehydrochlorination of pentachloroethane and 1,1,1-trichloroethane in the presence of ferruginous smectite reduced by two cultures of microorganisms, Shewanella oneidensis strain MR-1 (MR-R) and an enrichment culture from rice paddy soils (PS-R), in aqueous suspension under anoxic conditions. Microbially reduced ferruginous smectite facilitated dehydrochlorination of 1,1,1-trichloroethane to 1,1-dichloroethene with up to 60% conversion within 3 h of incubation time. In contrast, no formation of 1,1-dichloroethene was observed after incubation of 1,1,1-trichloroethane with chemically reduced ferruginous smectite for 24 h. Microbially reduced ferruginous smectite by MR-R and PS-R promoted the dehydrochlorination of pentachloroethane to tetrachloroethene by 80 and 15%, respectively, after 3 h of incubation time. The conversion of pentachloroethane to tetrachloroethene in the presence of chemically reduced ferruginous smectite after 24 h was 65%. These results indicate that structural Fe(II) in clay minerals has the potential to be an important reductant controlling the fate of organic chemicals in contaminated sediments.

1075.pdf | jul2014 | jess | Indian Academy of Sciences

Indian Academy of Sciences (India)

error. The page your are looking for can not be found! Please check the link or use the navigation bar at the top. YouTube; Twitter; Facebook; Blog. Academy News. IAS Logo. 28th Mid Year Meeting. Posted on 26 May 2017. [30 June – 1 July 2017 at Faculty Hall, Indian Institute of Science]. 83rd Annual Meeting. Posted on ...

Fragrance material review on 1-(2,4,4,5,5-pentamethyl-1-cyclopenten-1-yl)ethan-1-one.

Science.gov (United States)

Scognamiglio, J; Letizia, C S; Api, A M

2013-12-01

A toxicologic and dermatologic review of 1-(2,4,4,5,5-pentamethyl-1-cyclopenten-1-yl)ethan-1-one when used as a fragrance ingredient is presented. 1-(2,4,4,5,5-Pentamethyl-1-cyclopenten-1-yl)ethan-1-one is a member of the fragrance structural group Alkyl Cyclic Ketones. These fragrances can be described as being composed of an alkyl, R1, and various substituted and bicyclic saturated or unsaturated cyclic hydrocarbons, R2, in which one of the rings may include up to 12 carbons. Alternatively, R2 may be a carbon bridge of C2-C4 carbon chain length between the ketone and cyclic hydrocarbon. This review contains a detailed summary of all available toxicology and dermatology papers that are related to this individual fragrance ingredient and is not intended as a stand-alone document. Available data for 1-(2,4,4,5,5-pentamethyl-1-cyclopenten-1-yl)ethan-1-one were evaluated then summarized and includes physical properties, acute toxicity, skin irritation, mucous membrane (eye) irritation, skin sensitization, phototoxicity, and photoallergy data. A safety assessment of the entire Alkyl Cyclic Ketones will be published simultaneously with this document; please refer to Belsito et al. (Belsito, D., Bickers, D., Bruze, M., Calow, P., Dagli, M., Fryer, A.D., Greim, H., Miyachi, Y., Saurat, J.H., Sipes, I.G., 2013. A Toxicologic and Dermatologic Assessment of Alkyl Cyclic Ketones When Used as Fragrance Ingredients (submitted for publication)) for an overall assessment of the safe use of this material and all Alkyl Cyclic Ketones in fragrances. Copyright © 2013 Elsevier Ltd. All rights reserved.

Effect Of IGF-1 On Expression Of Gh Receptor, IGF-1, IGF-1 ...

African Journals Online (AJOL)

... and the skin expression of growth hormone receptor (GHR), insulin-like growth factor1 (IGF-1), insulin-like growth factor receptor (IGF- R), KAP3.2 and KAP6-1 mRNA were measured by RT-PCR. The results indicated that IGF-1 could degrade GHR gene expression, have no effect of IGF-1 and IGF-1R gene expression, ...

Substrate interactions in dehalogenation of 1,2-dichloroethane, 1,2-dichloropropane, and 1,1,2-trichloroethane mixtures by Dehalogenimonas spp.

Science.gov (United States)

Dillehay, Jacob L; Bowman, Kimberly S; Yan, Jun; Rainey, Fred A; Moe, William M

2014-04-01

When chlorinated alkanes are present as soil or groundwater pollutants, they often occur in mixtures. This study evaluated substrate interactions during the anaerobic reductive dehalogenation of chlorinated alkanes by the type strains of two Dehalogenimonas species, D. lykanthroporepellens and D. alkenigignens. Four contaminant mixtures comprised of combinations of the chlorinated solvents 1,2-dichloroethane (1,2-DCA), 1,2-dichloropropane (1,2-DCP), and 1,1,2-trichloroethane (1,1,2-TCA) were assessed for each species. Chlorinated solvent depletion and daughter product formation determined as a function of time following inoculation into anaerobic media revealed preferential dechlorination of 1,1,2-TCA over both 1,2-DCA and 1,2-DCP for both species. 1,2-DCA in particular was not dechlorinated until 1,1,2-TCA reached low concentrations. In contrast, both species concurrently dechlorinated 1,2-DCA and 1,2-DCP over a comparably large concentration range. This is the first report of substrate interactions during chlorinated alkane dehalogenation by pure cultures, and the results provide insights into the chlorinated alkane transformation processes that may be expected for contaminant mixtures in environments where Dehalogenimonas spp. are present.

Downregulation of sphingosine 1-phosphate (S1P) receptor 1 by dexamethasone inhibits S1P-induced mesangial cell migration.

Science.gov (United States)

Koch, Alexander; Jäger, Manuel; Völzke, Anja; Grammatikos, Georgios; Zu Heringdorf, Dagmar Meyer; Huwiler, Andrea; Pfeilschifter, Josef

2015-06-01

Sphingosine 1-phosphate (S1P) is generated by sphingosine kinase (SK)-1 and -2 and acts mainly as an extracellular ligand at five specific receptors, denoted S1P1-5. After activation, S1P receptors regulate important processes in the progression of renal diseases, such as mesangial cell migration and survival. Previously, we showed that dexamethasone enhances SK-1 activity and S1P formation, which protected mesangial cells from stress-induced apoptosis. Here we demonstrate that dexamethasone treatment lowered S1P1 mRNA and protein expression levels in rat mesangial cells. This effect was abolished in the presence of the glucocorticoid receptor antagonist RU-486. In addition, in vivo studies showed that dexamethasone downregulated S1P1 expression in glomeruli isolated from mice treated with dexamethasone (10 mg/kg body weight). Functionally, we identified S1P1 as a key player mediating S1P-induced mesangial cell migration. We show that dexamethasone treatment significantly lowered S1P-induced migration of mesangial cells, which was again reversed in the presence of RU-486. In summary, we suggest that dexamethasone inhibits S1P-induced mesangial cell migration via downregulation of S1P1. Overall, these results demonstrate that dexamethasone has functional important effects on sphingolipid metabolism and action in renal mesangial cells.

Inhibitors of nuclease and redox activity of apurinic/apyrimidinic endonuclease 1/redox effector factor 1 (APE1/Ref-1).

Science.gov (United States)

Laev, Sergey S; Salakhutdinov, Nariman F; Lavrik, Olga I

2017-05-01

Human apurinic/apyrimidinic endonuclease 1/redox effector factor 1 (APE1/Ref-1) is a multifunctional protein which is essential in the base excision repair (BER) pathway of DNA lesions caused by oxidation and alkylation. This protein hydrolyzes DNA adjacent to the 5'-end of an apurinic/apyrimidinic (AP) site to produce a nick with a 3'-hydroxyl group and a 5'-deoxyribose phosphate moiety or activates the DNA-binding activity of certain transcription factors through its redox function. Studies have indicated a role for APE1/Ref-1 in the pathogenesis of cancer and in resistance to DNA-interactive drugs. Thus, this protein has potential as a target in cancer treatment. As a result, major efforts have been directed to identify small molecule inhibitors against APE1/Ref-1 activities. These agents have the potential to become anticancer drugs. The aim of this review is to present recent progress in studies of all published small molecule APE1/Ref-1 inhibitors. The structures and activities of APE1/Ref-1 inhibitors, that target both DNA repair and redox activities, are presented and discussed. To date, there is an urgent need for further development of the design and synthesis of APE1/Ref-1 inhibitors due to high importance of this protein target. Copyright © 2017 Elsevier Ltd. All rights reserved.

Chemical and electrical passivation of Si(1 1 1) surfaces

International Nuclear Information System (INIS)

Tian Fangyuan; Yang Dan; Opila, Robert L.; Teplyakov, Andrew V.

2012-01-01

This paper compares the physical and chemical properties of hydrogen-passivated Si(1 1 1) single crystalline surfaces prepared by two main chemical preparation procedures. The modified RCA cleaning is commonly used to prepare atomically flat stable surfaces that are easily identifiable spectroscopically and are the standard for chemical functionalization of silicon. On the other hand electronic properties of these surfaces are sometimes difficult to control. A much simpler silicon surface preparation procedure includes HF dipping for a short period of time. This procedure yields an atomically rough surface, whose chemical identity is not well-defined. However, the surfaces prepared by this approach often exhibit exceptionally attractive electronic properties as determined by long charge carrier lifetimes. This work utilizes infrared spectroscopy and X-ray photoelectron spectroscopy to investigate chemical modification of the surfaces prepared by these two different procedures with PCl 5 (leading to surface chlorination) and with short- and long-alkyl-chain alkenes (1-decene and 1-octodecene, respectively) and follows the electronic properties of the starting surfaces produced by measuring charge-carrier lifetimes.

Chemical and electrical passivation of Si(1 1 1) surfaces

Science.gov (United States)

Tian, Fangyuan; Yang, Dan; Opila, Robert L.; Teplyakov, Andrew V.

2012-01-01

This paper compares the physical and chemical properties of hydrogen-passivated Si(1 1 1) single crystalline surfaces prepared by two main chemical preparation procedures. The modified RCA cleaning is commonly used to prepare atomically flat stable surfaces that are easily identifiable spectroscopically and are the standard for chemical functionalization of silicon. On the other hand electronic properties of these surfaces are sometimes difficult to control. A much simpler silicon surface preparation procedure includes HF dipping for a short period of time. This procedure yields an atomically rough surface, whose chemical identity is not well-defined. However, the surfaces prepared by this approach often exhibit exceptionally attractive electronic properties as determined by long charge carrier lifetimes. This work utilizes infrared spectroscopy and X-ray photoelectron spectroscopy to investigate chemical modification of the surfaces prepared by these two different procedures with PCl5 (leading to surface chlorination) and with short- and long-alkyl-chain alkenes (1-decene and 1-octodecene, respectively) and follows the electronic properties of the starting surfaces produced by measuring charge-carrier lifetimes.

Ire1 Has Distinct Catalytic Mechanisms for XBP1/HAC1 Splicing and RIDD

Directory of Open Access Journals (Sweden)

Arvin B. Tam

2014-11-01

Full Text Available An evolutionarily conserved unfolded protein response (UPR component, IRE1, cleaves XBP1/HAC1 introns in order to generate spliced mRNAs that are translated into potent transcription factors. IRE1 also cleaves endoplasmic-reticulum-associated RNAs leading to their decay, an activity termed regulated IRE1-dependent decay (RIDD; however, the mechanism by which IRE1 differentiates intron cleavage from RIDD is not well understood. Using in vitro experiments, we found that IRE1 has two different modes of action: XBP1/HAC1 is cleaved by IRE1 subunits acting cooperatively within IRE1 oligomers, whereas a single subunit of IRE1 performs RIDD without cooperativity. Furthermore, these distinct activities can be separated by complementation of catalytically inactive IRE1 RNase and mutations at oligomerization interfaces. Using an IRE1 RNase inhibitor, STF-083010, selective inhibition of XBP1 splicing indicates that XBP1 promotes cell survival, whereas RIDD leads to cell death, revealing modulation of IRE1 activities as a drug-development strategy.

Zac1, an Sp1-like protein, regulates human p21WAF1/Cip1 gene expression in HeLa cells

International Nuclear Information System (INIS)

Liu, Pei-Yao; Hsieh, Tsai-Yuan; Liu, Shu-Ting; Chang, Yung-Lung; Lin, Wei-Shiang; Wang, Wei-Ming; Huang, Shih-Ming

2011-01-01

Zac1 functions as both a transcription factor and a transcriptional cofactor for p53, nuclear receptors (NRs) and NR coactivators. Zac1 might also act as a transcriptional repressor via the recruitment of histone deacetylase 1 (HDAC1). The ability of Zac1 to interact directly with GC-specific elements indicates that Zac1 possibly binds to Sp1-responsive elements. In the present study, our data show that Zac1 is able to interact directly with the Sp1-responsive element in the p21 WAF1/Cip1 gene promoter and enhance the transactivation activity of Sp1 through direct physical interaction. Our data further demonstrate that Zac1 might enhance Sp1-specific promoter activity by interacting with the Sp1-responsive element, affecting the transactivation activity of Sp1 via a protein–protein interaction, or competing the HDAC1 protein away from the pre-existing Sp1/HDAC1 complex. Finally, the synergistic regulation of p21 WAF1/Cip1 gene expression by Zac1 and Sp1 is mediated by endogenous p53 protein and p53-responsive elements in HeLa cells. Our work suggests that Zac1 might serve as an Sp1-like protein that directly interacts with the Sp1-responsive element to oligomerize with and/or to coactivate Sp1.

YY1 positively regulates human UBIAD1 expression

International Nuclear Information System (INIS)

Funahashi, Nobuaki; Hirota, Yoshihisa; Nakagawa, Kimie; Sawada, Natumi; Watanabe, Masato; Suhara, Yoshitomo; Okano, Toshio

2015-01-01

Vitamin K is involved in bone formation and blood coagulation. Natural vitamin K compounds are composed of the plant form phylloquinone (vitamin K 1 ) and a series of bacterial menaquionones (MK-n; vitamin K 2 ). Menadione (vitamin K 3 ) is an artificial vitamin K compound. MK-4 contains 4-isoprenyl as a side group in the 2-methyl-1,4-naphthoquinone common structure and has various bioactivities. UbiA prenyltransferase domain containing 1 (UBIAD1 or TERE1) is the menaquinone-4 biosynthetic enzyme. UBIAD1 transcript expression significantly decreases in patients with prostate carcinoma and overexpressing UBIAD1 inhibits proliferation of a tumour cell line. UBIAD1 mRNA expression is ubiquitous in mouse tissues, and higher UBIAD1 mRNA expression levels are detected in the brain, heart, kidneys and pancreas. Several functions of UBIAD1 have been reported; however, regulation of the human UBIAD1 gene has not been elucidated. Here we report cloning and characterisation of the human UBIAD1 promoter. A 5′ rapid amplification of cDNA ends analysis revealed that the main transcriptional start site was 306 nucleotides upstream of the translation initiation codon. Deletion and mutation analyses revealed the functional importance of the YY1 consensus motif. Electrophoretic gel mobility shift and chromatin immunoprecipitation assays demonstrated that YY1 binds the UBIAD1 promoter in vitro and in vivo. In addition, YY1 small interfering RNA decreased endogenous UBIAD1 mRNA expression and UBIAD1 conversion activity. These results suggest that YY1 up-regulates UBIAD1 expression and UBIAD1 conversion activity through the UBIAD1 promoter. - Highlights: • We cloned the human UBIAD1 promoter. • The functional importance of the YY1 motif was identified in the UBIAD1 promoter. • YY1 binds the UBIAD1 promoter in vitro and in vivo. • Knockdown of YY1 significantly decreased UBIAD1 expression. • YY1 up-regulates UBIAD1 conversion activity through the UBIAD1 promoter

YY1 positively regulates human UBIAD1 expression

Energy Technology Data Exchange (ETDEWEB)

Funahashi, Nobuaki, E-mail: nfunahashi@ri.ncgm.go.jp [Department of Hygienic Sciences, Kobe Pharmaceutical University, Kobe (Japan); Department of Metabolic Disorder, Diabetes Research Center, Research Institute, National Center for Global Health and Medicine, Tokyo (Japan); Hirota, Yoshihisa [Department of Hygienic Sciences, Kobe Pharmaceutical University, Kobe (Japan); Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka (Japan); Nakagawa, Kimie; Sawada, Natumi; Watanabe, Masato [Department of Hygienic Sciences, Kobe Pharmaceutical University, Kobe (Japan); Suhara, Yoshitomo [Department of Bioscience and Engineering, Shibaura Institute of Technology, Saitama (Japan); Okano, Toshio [Department of Hygienic Sciences, Kobe Pharmaceutical University, Kobe (Japan)

2015-05-01

Vitamin K is involved in bone formation and blood coagulation. Natural vitamin K compounds are composed of the plant form phylloquinone (vitamin K{sub 1}) and a series of bacterial menaquionones (MK-n; vitamin K{sub 2}). Menadione (vitamin K{sub 3}) is an artificial vitamin K compound. MK-4 contains 4-isoprenyl as a side group in the 2-methyl-1,4-naphthoquinone common structure and has various bioactivities. UbiA prenyltransferase domain containing 1 (UBIAD1 or TERE1) is the menaquinone-4 biosynthetic enzyme. UBIAD1 transcript expression significantly decreases in patients with prostate carcinoma and overexpressing UBIAD1 inhibits proliferation of a tumour cell line. UBIAD1 mRNA expression is ubiquitous in mouse tissues, and higher UBIAD1 mRNA expression levels are detected in the brain, heart, kidneys and pancreas. Several functions of UBIAD1 have been reported; however, regulation of the human UBIAD1 gene has not been elucidated. Here we report cloning and characterisation of the human UBIAD1 promoter. A 5′ rapid amplification of cDNA ends analysis revealed that the main transcriptional start site was 306 nucleotides upstream of the translation initiation codon. Deletion and mutation analyses revealed the functional importance of the YY1 consensus motif. Electrophoretic gel mobility shift and chromatin immunoprecipitation assays demonstrated that YY1 binds the UBIAD1 promoter in vitro and in vivo. In addition, YY1 small interfering RNA decreased endogenous UBIAD1 mRNA expression and UBIAD1 conversion activity. These results suggest that YY1 up-regulates UBIAD1 expression and UBIAD1 conversion activity through the UBIAD1 promoter. - Highlights: • We cloned the human UBIAD1 promoter. • The functional importance of the YY1 motif was identified in the UBIAD1 promoter. • YY1 binds the UBIAD1 promoter in vitro and in vivo. • Knockdown of YY1 significantly decreased UBIAD1 expression. • YY1 up-regulates UBIAD1 conversion activity through the UBIAD1

Optically active antifungal azoles. XII. Synthesis and antifungal activity of the water-soluble prodrugs of 1-[(1R,2R)-2-(2,4-difluorophenyl)-2-hydroxy-1-methyl-3-(1H-1,2,4-triazol-1-yl)propyl]-3-[4-(1H-1-tetrazolyl)phenyl]-2-imidazolidinone.

Science.gov (United States)

Ichikawa, T; Kitazaki, T; Matsushita, Y; Yamada, M; Hayashi, R; Yamaguchi, M; Kiyota, Y; Okonogi, K; Itoh, K

2001-09-01

1-[(1R,2R)-2-(2,4-Difluorophenyl)-2-hydroxy-1-methyl-3-(1H-1,2,4-triazol-1-yl)propyl]-3-[4-(1H-1-tetrazolyl)phenyl]-2-imidazolidinone (1: TAK-456) was selected as a candidate for clinical trials, but since its water-solubility was insufficient for an injectable formulation, the quaternary triazolium salts 2 were designed as water-soluble prodrugs. Among the prodrugs prepared, 4-acetoxymethyl-1-[(2R,3R)-2-(2,4-difluorophenyl)-2-hydroxy-3-[2-oxo-3-[4-(1H-1-terazolyl)phenyl]-1-imidazolidinyl]butyl]-1H-1,2,4-triazolium chloride (2a: TAK-457) was selected as an injectable candidate for clinical trials based on the results of evaluations on solubility, stability, hemolytic effect and in vivo antifungal activities.

National Radiobiology Archives Distributed Access User`s Manual, Version 1.1. Revision 1

Energy Technology Data Exchange (ETDEWEB)

Smith, S.K.; Prather, J.C.; Ligotke, E.K.; Watson, C.R.

1992-06-01

This supplement to the NRA Distributed Access User`s manual (PNL-7877), November 1991, describes installation and use of Version 1.1 of the software package; this is not a replacement of the previous manual. Version 1.1 of the NRA Distributed Access Package is a maintenance release. It eliminates several bugs, and includes a few new features which are described in this manual. Although the appearance of some menu screens has changed, we are confident that the Version 1.0 User`s Manual will provide an adequate introduction to the system. Users who are unfamiliar with Version 1.0 may wish to experiment with that version before moving on to Version 1.1.

Release Notes for Whisper-1.1

Energy Technology Data Exchange (ETDEWEB)

Brown, Forrest B. [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Rising, Michael Evan [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Alwin, Jennifer Louise [Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

2017-04-27

Whisper is a statistical analysis package developed in 2014 to support nuclear criticality safety (NCS) validation [1-3]. It uses the sensitivity profile data for an application as computed by MCNP6 [4-6] along with covariance files [7,8] for the nuclear data to determine a baseline upper-subcritical-limit (USL) for the application. Whisper version 1.0 was first developed and used at LANL in 2014 [3]. During 2015-2016, Whisper was updated to version 1.1 [9] and is to be included with the upcoming release of MCNP6.2. This document describes the Whisper-1.1 package that will be included with the MCNP6.2 release during 2017. Specific details are provided on the computer systems supported, the software quality assurance (SQA) procedures, installation, and testing. This document does not address other important topics, such as the importance of sensitivity-uncertainty (SU) methods to NCS validation, the theory underlying SU methodology, tutorials on the usage of MCNP-Whisper, practical approaches to using SU methodology to support and extend traditional validation, etc. There are over 50 documents included with Whisper-1.1 and available in the MCNP Reference Collection on the MCNP website (mcnp.lanl.gov) that address all of those topics and more. In this document, however, a complete bibliography of relevant MCNP-Whisper references is provided.

Epitaxial growth of lithium fluoride on the (1 1 1) surface of CaF 2

Science.gov (United States)

Klumpp, St; Dabringhaus, H.

1999-08-01

Growth of lithium fluoride by molecular beam epitaxy on the (1 1 1) surface of calcium fluoride crystals was studied by TEM and LEED for crystal temperatures from 400 to 773 K and impinging lithium fluoride fluxes from 3×10 11 to 3×10 14 cm -2 s -1. Growth starts, usually, at the steps on the (1 1 1) surface of CaF 2. For larger step distances and at later growth stages also growth on the terraces between the steps is found. Preferably, longish, roof-like crystallites are formed, which can be interpreted by growth of LiF(2 0 1¯)[0 1 0] parallel to CaF 2(1 1 1)[ 1¯ 0 1]. To a lesser extent square crystallites, i.e. growth with LiF(0 0 1), and, rarely, three-folded pyramidal crystallites, i.e. growth with LiF(1 1 1) parallel to CaF 2(1 1 1), are observed. While the pyramidal crystallites show strict epitaxial orientation with LiF[ 1¯ 0 1]‖CaF 2[ 1¯ 0 1] and LiF[ 1¯ 0 1]‖CaF 2[1 2¯ 1], only about 80% of the square crystallites exhibit an epitaxial alignment, where LiF[1 0 0]‖CaF 2[ 1¯ 0 1] is preferred to LiF[1 1 0]‖CaF 2[ 1¯ 0 1]. The epitaxial relationships are discussed on the basis of theoretically calculated adsorption positions of the lithium fluoride monomer and dimer on the terrace and at the steps of the CaF 2(1 1 1) surface.

JESS-D-17-00183.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

Theory Of Evolution. Posted on 23 January 2018. Joint Statement by the Three Science Academies of India on the teaching of the theory of evolution more. ... Posted on 21 December 2017. ASTROPHYSICS: An Observational View of the Universe. Math Art and Design: MAD about Math, Math Education and Outreach.

JESS-D-17-00136.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

Theory Of Evolution. Posted on 23 January 2018. Joint Statement by the Three Science Academies of India on the teaching of the theory of evolution more. ... Posted on 21 December 2017. ASTROPHYSICS: An Observational View of the Universe. Math Art and Design: MAD about Math, Math Education and Outreach.

JESS-D-16-00373.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

Theory Of Evolution. Posted on 23 January 2018. Joint Statement by the Three Science Academies of India on the teaching of the theory of evolution more. ... ASTROPHYSICS: An Observational View of the Universe. Math Art and Design: MAD about Math, Math Education and Outreach. Math and Finance ...

JESS-D-16-00621.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

Theory Of Evolution. Posted on 23 January 2018. Joint Statement by the Three Science Academies of India on the teaching of the theory of evolution more. ... Posted on 21 December 2017. ASTROPHYSICS: An Observational View of the Universe. Math Art and Design: MAD about Math, Math Education and Outreach.

JESS-D-17-00161.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

Theory Of Evolution. Posted on 23 January 2018. Joint Statement by the Three Science Academies of India on the teaching of the theory of evolution more. ... Posted on 21 December 2017. ASTROPHYSICS: An Observational View of the Universe. Math Art and Design: MAD about Math, Math Education and Outreach.

JESS-D-12-00167.pdf | forthcoming | jess | Indian Academy of ...

Indian Academy of Sciences (India)

error. The page your are looking for can not be found! Please check the link or use the navigation bar at the top. YouTube; Twitter; Facebook; Blog. Academy News. IAS Logo. 29th Mid-year meeting. Posted on 19 January 2018. The 29th Mid-year meeting of the Academy will be held from 29–30 June 2018 in Infosys, Mysuru ...

JESS-D-17-00250.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

404! error. The page your are looking for can not be found! Please check the link or use the navigation bar at the top. YouTube; Twitter; Facebook; Blog ... Theory Of Evolution. Posted on 23 January 2018. Joint Statement by the Three Science Academies of India on the teaching of the theory of evolution more.

JESS-D-16-00617.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

Upcoming Refresher Courses. Topology 02 to 14 May, 2018. Ramanujan Institute for Advanced Study in Mathematics, University of Madras Register Mathematics 11 to 25 June, 2018. Dayanand Science College, Latur (M.S.) Register Experimental Physics 14 to 29 June, 2018. Birla Institute of Technology, Mesra, Ranchi

JESS-D-17-00067.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

Summer Research Fellowship Programme 2018. Posted on 21 February ... Advanced Instructional School In Stochastic Processes. Posted on 21 December ... Biotechnology techniques in Biodiversity conservation 10 September 2018 to 24 ...

JESS-D-17-00024.pdf | forthcoming | jess | Volumes | public | Indian ...

Indian Academy of Sciences (India)

Summer Research Fellowship Programme 2018. Posted on 21 February ... Advanced Instructional School In Stochastic Processes. Posted on 21 December ... Biotechnology techniques in Biodiversity conservation 10 September 2018 to 24 ...

JESS-D-12-00365.pdf | forthcoming | jess | Indian Academy of ...

Indian Academy of Sciences (India)

error. The page your are looking for can not be found! Please check the link or use the navigation bar at the top. YouTube; Twitter; Facebook; Blog. Academy News. IAS Logo. 29th Mid-year meeting. Posted on 19 January 2018. The 29th Mid-year meeting of the Academy will be held from 29–30 June 2018 in Infosys, Mysuru ...

jess131.pdf | nov2008 | jess | Indian Academy of Sciences

Indian Academy of Sciences (India)

Recent Refresher Courses. Experimental Physics, C.S. Sundar, 20 June 2017 to 05 July 2017 G.B.P.U.A.& T., Pantnagar MORE · Recent Lecture workshops. Recent advances in chemical sciences, 13–15 June 2017, St. Thomas College, Pala MORE ...

Effect of APE1 T2197G (Asp148Glu Polymorphism on APE1, XRCC1, PARP1 and OGG1 Expression in Patients with Colorectal Cancer

Directory of Open Access Journals (Sweden)

Juliana C. Santos

2014-09-01

Full Text Available It has been hypothesized that genetic variation in base excision repair (BER might modify colorectal adenoma risk. Thus, we evaluated the influence of APE1 T2197G (Asp148Glu polymorphism on APE1, XRCC1, PARP1 and OGG1 expression in normal and tumor samples from patients with colorectal cancer. The results indicate a downregulation of OGG1 and an upregulation of XRCC1 expression in tumor tissue. Regarding the anatomical location of APE1, OGG1 and PARP-1, a decrease in gene expression was observed among patients with cancer in the rectum. In patients with or without some degree of tumor invasion, a significant downregulation in OGG1 was observed in tumor tissue. Interestingly, when taking into account the tumor stage, patients with more advanced grades (III and IV showed a significant repression for APE1, OGG1 and PARP-1. XRCC1 expression levels were significantly enhanced in tumor samples and were correlated with all clinical and histopathological data. Concerning the polymorphism T2197G, GG genotype carriers exhibited a significantly reduced expression of genes of the BER repair system (APE1, XRCC1 and PARP1. In summary, our data show that patients with colorectal cancer present expression changes in several BER genes, suggesting a role for APE1, XRCC1, PARP1 and OGG1 and APE1 polymorphism in colorectal carcinogenesis.

Differences in UGT1A1, UGT1A7, and UGT1A9 polymorphisms between Uzbek and Japanese populations.

Science.gov (United States)

Maeda, Hiromichi; Hazama, Shoichi; Shavkat, Abdiev; Okamoto, Ken; Oba, Koji; Sakamoto, Junichi; Takahashi, Kenichi; Oka, Masaki; Nakamura, Daisuke; Tsunedomi, Ryouichi; Okayama, Naoko; Mishima, Hideyuki; Kobayashi, Michiya

2014-06-01

Uridine-diphosphate glucuronosyltransferase 1A (UGT1A) is a key enzyme involved in irinotecan metabolism, and polymorphisms in the UGT1A gene are associated with irinotecan-induced toxicity. The aim of this study was to elucidate the allele frequencies of UGT1A polymorphisms in healthy Uzbek volunteers, and to compare them with those of the Japanese population. A total of 97 healthy volunteers from Uzbekistan were enrolled and blood samples were collected from each participant. Genotyping analysis was performed by fragment size analysis for UGT1A1*28, direct sequencing for UGT1A7*3 and UGT1A9*22, and TaqMan assays for UGT1A1*93, UGT1A1*6, UGT1A1*27, UGT1A1*60, and UGT1A7*12. The frequencies of polymorphisms were compared with the Japanese population by using the data previously reported from our study group. When the Uzbek and Japanese populations were compared, heterozygotes or homozygotes for UGT1A1*28, UGT1A1*60, and UGT1A1*93 were significantly more frequent in the Uzbek population (P Japanese population (P Japanese population. A comprehensive study of the influence of UGT1A1 polymorphisms on the risk of irinotecan-induced toxicity is necessary for optimal use of irinotecan treatment.

975.pdf | aug2012 | jess | Indian Academy of Sciences

Indian Academy of Sciences (India)

error. The page your are looking for can not be found! Please check the link or use the navigation bar at the top. YouTube; Twitter; Facebook; Blog. Academy News. IAS Logo. Associates – 2017. Posted on 17 July 2017. Click here to see the list · 28th Mid Year Meeting. Posted on 26 May 2017. [30 June – 1 July 2017 at ...

Peasant imaginary: propositions from the plastic visual of Holguin

Directory of Open Access Journals (Sweden)

Yuricel Moreno-Zaldívar

2017-06-01

Full Text Available The following reaserch talks about a rural imaginary in the works of four visual artists from Holguín that take place between the XX century last years and the first of the XXI. It propose to revels the ways in which these artists abords aspects such as oral transmition narrations, costums, historic memories and new social dynamics. It values it place  in the regionals artistics forms in asociation whit the etnocultural conformation.

VANDAL user guide. V. 1.1

International Nuclear Information System (INIS)

Unsworth, M.D.

1989-02-01

This document forms Volume 1.1 of the VANDAL User Guide and is intended to provide all the information necessary to define and run a case study. Information is given on the data to be specified, on the structure of the input data files and on how to execute the system. There are three related volumes to this, they are: Volume 1.2 - Input and Execution Appendices; Volume 2.1 - Ouput and Error Messages; and Volume 2.2 - PRA Output Analysis. (author)

Theoretical study of the adsorption of rhodium on a TiO2(1 1 0)-1 × 1 surface

International Nuclear Information System (INIS)

Mutombo, P.; Balázs, N.; Majzik, Z.; Berkó, A.; Cháb, V.

2012-01-01

Density functional theory (DFT) calculations were used to study the adsorption of rhodium on a TiO 2 (1 1 0)-1 × 1 surface as a function of coverage. It was found that Rh atom prefers the hollow site between a bridging oxygen atom, a threefold oxygen atom and a fivefold coordinated Ti atom, regardless of the coverage used. DFT calculations also suggest that Rh-Rh interaction is attractive along the [0 0 1] direction, implying that the Rh 1D nanostructure should grow preferentially along this direction. Simulated Rh dimer clusters resemble strongly Pd dimers resolved in STM experiments suggesting that both metals occupy the same adsorption site at the TiO 2 (1 1 0) surface.

26 CFR 1.832-1 - Gross income.

Science.gov (United States)

2010-04-01

..., except that in the case of a mutual fire insurance company described in § 1.831-1 the amount of single... TAXES Other Insurance Companies § 1.832-1 Gross income. (a) Gross income as defined in section 832(b)(1... approved by the National Convention of Insurance Commissioners, as well as the gain derived from the sale...

Selectivity switch for nitrogen functionalization of styrene on Au(1 1 1)

Science.gov (United States)

Deng, Xingyi; Friend, Cynthia M.

2008-03-01

Functionalization of styrene to form N-containing hydrocarbons, e.g. 2-phenylaziridine, benzonitrile, and benzyl nitrile, is achieved by reaction with adsorbed NH a and N a on Au(1 1 1). Electron-induced decomposition of condensed NH 3 was used to produce NH a, N a and H a on Au(1 1 1) at 110 K. The selectivity of the reactions is strongly dependent on the relative concentrations of the surface species. The addition of NH to styrene results in the production of 2-phenylaziridine, whereas adsorbed N and H atoms lead to the formation of nitriles benzonitrile and benzyl nitrile and, respectively, ethylbenzene. This work clearly establishes the utility of Au for promoting functionalization of olefins with nitrogen.

Bi induced step-flow growth in the homoepitaxial growth of Au(1 1 1)

International Nuclear Information System (INIS)

Kamiko, M.; Mizuno, H.; Chihaya, H.; Xu, J.-H.; Kojima, I.; Yamamoto, R.

2005-01-01

Homoepitaxial growth of Au on Bi-covered Au(1 1 1) was studied at room temperature using reflection high-energy electron diffraction (RHEED) and Auger electron spectroscopy (AES). From observations of RHEED it is found that the Au(1 1 1) (23 x 1) reconstruction structure changes to a (1 x 1) by about 0.16-0.5 ML deposition of Bi and to a (2√3 x 2√3)R30 deg by about 1.0 ML deposition of Bi, respectively. The surface morphology evolution by Bi deposition leads to a change of Au homoepitaxial growth behavior from layer-by-layer to step flow. This indicates that the surface diffusion distance of Au atoms on the Bi-precovered (1 x 1) and (2√3 x 2√3)R30 deg surfaces is longer than that on the Au(1 1 1) (23 x 1) clean surfaces. A strong surface segregation of Bi was found at top of surface. It is concluded that Bi atoms acted as an effective surfactant in the Au homoepitaxial growth by promoting Au intralayer mass transport

Human safety and pharmacokinetics of the CFC alternative propellants HFC 134a (1,1,1,2-tetrafluoroethane) and HFC 227 (1,1,1,2,3,3,3-heptafluoropropane) following whole-body exposure

NARCIS (Netherlands)

Emmen, H.H.; Hoogendijk, E.M.G.; Klöpping-Ketelaars, W.A.A.; Muijser, H.; Duistermaat, E.; Ravensberg, J.C.; Alexander, D.J.; Borkhataria, D.; Rusch, G.M.; Schmit, B.

2000-01-01

HFC 134a (1,1,1,2-tetrafluoroethane) and HFC 227 (1,1,1,2,3,3,3-heptafluoropropane) are used to replace chlorofluorocarbons (CFCs) in refrigerant and aerosol applications, including medical use in metered-dose inhalers. Production and consumption of CFCs are being phased out under the Montreal

ANTIBODIES TO BENZO[A]PYRENE AND POLYMORPHISMS OF CYP1A1*2A, CYP1A2*1F, GSTT1, AND GSTM1 GENES IN HEALTHY MEN AND LUNG CANCER PATIENTS

Directory of Open Access Journals (Sweden)

A. N. Glushkov

2016-01-01

Full Text Available Some genetic polymorphisms of CYP and GST enzymes metabolizing low-molecular weight xenobiotics may represent endogenous risk factors for carcinogenesis. However, possible relationships between the enzyme activities, amounts of carcinogen adducts and synthesis of anticarcinogen antibodies in humans (including cancer patients are still poorly studied. The purpose of this study was to identify possible associations between occurrence of antibodies against benzo[a]pyrene, and frequency of genetic polymorphisms of CYP1A1*2A, CYP1A2*1F, GSTT1, GSTM1 in healthy men and in lung cancer patients. Materials and methods. We have examined 203 men with non-small cell lung cancer and 267 apparently healthy donors without respiratory diseases. A non-competitive solid phase immunoassay of antibodies to benzo[a]pyrene was performed. Analysis of polymorphic loci within CYP1A1 (rs4646903, CYP1A2 (rs762551, GSTP1 (rs1695, rs1138272 was performed by means of real-time PCR using TaqMan technology. Null-alleles of GSTM1 (del, GSTT1 (del genes were detected by multiplex PCR with real-time fluorescent assay. Results. Among the lung cancer patients, the proportion of cases with a high level of IgG antibodies to benzo[a]pyrene in carriers of GSTT1+ and GSTM1+ in conjunction with the CYP1A2*1F C allele was significantly greater than in AA homozygotes CYP1A2*1F. The risk of lung cancer was increased to 5.5 in carriers of CYP1A2*1F C allele combined with GSTT1+ and GSTM1+ at high levels of IgG antibodies to benzo [a] pyrene. In healthy male donors, we have not found differences between the incidence of low and high levels of IgG anti-benzo[a]pyrene antibodies in the carriers of certain CYP1A1*2A, CYP1A2*1F, GSTT1 and GSTM1 genotypes. Conclusions. We have first reported a relationship between CYP1 and GST gene polymorphisms and specific immune response to chemical carcinogens in lung cancer patients. Immunoassays of IgG antibodies to benzo[a]pyrene combined with molecular

GSTM1, GSTP1, and GSTT1 genetic variability in Turkish and worldwide populations.

Science.gov (United States)

Karaca, Sefayet; Karaca, Mehmet; Cesuroglu, Tomris; Erge, Sema; Polimanti, Renato

2015-01-01

Glutathione S-transferase (GST) variants have been widely investigated to better understand their role in several pathologic conditions. To our knowledge, no data about these genetic polymorphisms within the Turkish population are currently available. The aim of this study was to analyze GSTM1 positive/null, GSTT1 positive/null, GSTP1*I105V (rs1695), and GSTP1*A114V (rs1138272) variants in the general Turkish population, to provide information about its genetic diversity, and predisposition to GST-related diseases. Genotyping was performed in 500 Turkish individuals using the Sequenom MassARRAY platform. A comparative analysis was executed using the data from the HapMap and Human Genome Diversity Projects (HGDP). Sequence variation was deeply explored using the Phase 1 data of the 1,000 Genomes Project. The variability of GSTM1, GSTT1, and GSTP1 polymorphisms in the Turkish population was similar to that observed in Central Asian, European, and Middle Eastern populations. The high linkage disequilibrium between GSTP1*I105V and GSTP1*A114V in these populations may have a confounding effect on GSTP1 genetic association studies. In analyzing GSTM1, GSTT1, and GSTP1 sequence variation, we observed other common functional variants that may be candidates for associated studies of diseases related to GST genes (e.g., cancer, cardiovascular disease, and allergy). This study provides novel data about GSTM1 positive/null, GSTT1 positive/null, GSTP1*I105V, and GSTP1*A114V variants in the Turkish population, and other functional variants that may affect GSTM1, GSTT1, and GSTP1 functions among worldwide populations. This information can assist in the design of future genetic association studies investigating oxidative stress-related diseases. © 2014 Wiley Periodicals, Inc.

Rotational Spectrum and Internal Rotation Barrier of 1-Chloro-1,1-difluoroethane

Science.gov (United States)

Alonso, José L.; López, Juan C.; Blanco, Susana; Guarnieri, Antonio

1997-03-01

The rotational spectra of 1-chloro-1,1-difluoroethane (HCFC-142b) has been investigated in the frequency region 8-115 GHz with Stark, waveguide Fourier transform (FTMW), and millimeter-wave spectrometers. Assignments in large frequency regions with the corresponding frequency measurements have been made for the ground andv18= 1 (CH3torsion) vibrational states of the35Cl isotopomer and for the ground state of the37Cl species. Accurate rotational, quartic centrifugal distortion, and quadrupole coupling constants have been determined from global fits considering all these states. SmallA-Einternal rotation splittings have been observed for thev18= 1 vibrational state using FTMW spectroscopy. The barrier height for the internal rotation of the methyl group has been determined to be 3751 (4) cal mol-1, in disagreement with the previous microwave value of 4400 (100) cal mol-1reported by G. Graner and C. Thomas [J. Chem. Phys.49,4160-4167 (1968)].

2,2′-{1,1′-[Butane-1,4-diylbis(oxynitrilo]diethylidyne}di-1-naphthol

Directory of Open Access Journals (Sweden)

Wen-Kui Dong

2009-06-01

Full Text Available The title compound, C28H28N2O4, was synthesized by the reaction of 2-acetyl-1-naphthol with 1,4-bis(aminooxybutane in ethanol. The molecule, which lies about an inversion centre, adopts a linear structure, in which the oxime groups and naphthalene ring systems assume an anti conformation. The intramolecular interplanar distance between parallel naphthalene rings is 1.054 (3 Å. Intramolecular O—H...N hydrogen bonds are formed between the oxime nitrogen and hydroxy groups.

Relativistic two-body system in (1+1)-dimensional QED. 1. On the circle S1

International Nuclear Information System (INIS)

Barut, A.O.; Saradzhev, F.M.

1994-01-01

From the coupled Maxwell-Dirac equations for two fermion fields Ψ 1 , Ψ 2 the authors derive a covariant two-body equation for the composite field Φ(x 1 , x 2 ) in configuration space which includes radiative self-energy effects. Both Coulomb gauge and covariant gauge have been used and their equivalence is proved. For the space S 1 the authors solve the two-body equation with mutual interactions exactly and obtain the mass spectrum in the case of massless fermions. 7 refs., 5 figs

Current Status of TRR-1/M1

International Nuclear Information System (INIS)

Sittichai, Chaiyut

2000-01-01

In 1961, the first Thai Research Reactor, TRR-1, having power of 1 MW was established. It was located at Office of Atomic Energy for Peace (OAEP) in Bangkok. TRR-1 was completely commissioned in June 1962. Plate typed high-enriched uranium (HEU) and U 3 O 8 -Al were used as fuel. Light water used as moderator and coolant. During 1975-1977, TRR-1 was shut down for modification. The reactor core and control system were disassembled and replaced by TRIGA Mark III. It is a circular hexagonal core typed reactor designed by General Atomics Company (GA). Afterwards, TRR-1 was officially renamed to Thai Research Reactor 1/Modification 1 (TRR-1/M1). TRR-1/M1 is a multipurpose reactor with nominal power of 2 MW. This swimming pool typed reactor uses low-enriched uranium (LEU) as fuel and light water as coolant and moderator. To date, the reactor has been operated with core No.12 that released power 1135 MWD to serve the user. The reactor has been serving for various kinds of utilization, for example, to produce radioisotope, neutron beam experiments and reactor physics experiments. This report explains in detail regarding operational experience and current status of this reactor, for example, reactor operation and reactor utilization. (author)

HIV-1 Nef hijacks clathrin coats by stabilizing AP-1:Arf1 polygons.

Science.gov (United States)

Shen, Qing-Tao; Ren, Xuefeng; Zhang, Rui; Lee, Il-Hyung; Hurley, James H

2015-10-23

The lentiviruses HIV and simian immunodeficiency virus (SIV) subvert intracellular membrane traffic as part of their replication cycle. The lentiviral Nef protein helps viruses evade innate and adaptive immune defenses by hijacking the adaptor protein 1 (AP-1) and AP-2 clathrin adaptors. We found that HIV-1 Nef and the guanosine triphosphatase Arf1 induced trimerization and activation of AP-1. Here we report the cryo-electron microscopy structures of the Nef- and Arf1-bound AP-1 trimer in the active and inactive states. A central nucleus of three Arf1 molecules organizes the trimers. We combined the open trimer with a known dimer structure and thus predicted a hexagonal assembly with inner and outer faces that bind the membranes and clathrin, respectively. Hexagons were directly visualized and the model validated by reconstituting clathrin cage assembly. Arf1 and Nef thus play interconnected roles in allosteric activation, cargo recruitment, and coat assembly, revealing an unexpectedly intricate organization of the inner AP-1 layer of the clathrin coat. Copyright © 2015, American Association for the Advancement of Science.

PIE on Safety-Tested AGR-1 Compact 5-1-1

Energy Technology Data Exchange (ETDEWEB)

Hunn, John D. [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Morris, Robert Noel [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Baldwin, Charles A. [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Montgomery, Fred C. [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Gerczak, Tyler J. [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

2015-08-01

Post-irradiation examination (PIE) is being performed in support of tristructural isotropic (TRISO) coated particle fuel development and qualification for High-Temperature Gas-cooled Reactors (HTGRs). AGR-1 was the first in a series of TRISO fuel irradiation experiments initiated in 2006 under the Advanced Gas Reactor (AGR) Fuel Development and Qualification Program; this work continues to be funded by the Department of Energy's Office of Nuclear Energy as part of the Advanced Reactor Technologies (ART) initiative. AGR-1 fuel compacts were fabricated at Oak Ridge National Laboratory (ORNL) in 2006 and irradiated for three years in the Idaho National Laboratory (INL) Advanced Test Reactor (ATR) to demonstrate and evaluate fuel performance under HTGR irradiation conditions. PIE is being performed at INL and ORNL to study how the fuel behaved during irradiation, and to examine fuel performance during exposure to elevated temperatures at or above temperatures that could occur during a depressurized conduction cooldown event. This report summarizes safety testing of irradiated AGR-1 Compact 5-1-1 in the ORNL Core Conduction Cooldown Test Facility (CCCTF) and post-safety testing PIE.

Main: 1E1E [RPSD[Archive

Lifescience Database Archive (English)

Full Text Available Mays Molecule: Beta-Glucosidase; Chain: A, B; Engineered: Yes Glycoside Hydrolase 3.2.1.21 (Beta-Glucosidas..., B.Henrissat, A.Esen Crystal Structure Of A Monocotyledon (Maize Zmglu1) Beta-Gl...55-566.|PDB; 1E55; X-ray; A/B=55-566.|PDB; 1E56; X-ray; A/B=55-566.|PDB; 1H49; X-ray; A/B=55-566.|PDB; 1HXJ; X-ray; A/B=60-566.|Mai...ze-2DPAGE; P49235; COLEOPTILE.|MaizeDB; 13870; -.|InterPro

Cn(1), Dn(1) and A2n-1(2) reflection K-matrices

International Nuclear Information System (INIS)

Lima-Santos, A.; Malara, R.

2003-01-01

We investigate the possible regular solutions of the boundary Yang-Baxter equation for the vertex models associated with the C n (1) , D n (1) and A 2n-1 (2) affine Lie algebras. We find three types of solutions with n, n-1 and 1 free parameters, respectively. Special cases and all diagonal solutions are presented separately

a rhetorical analysis of philippians 1:1-11 1. introduction

African Journals Online (AJOL)

ABSTRACT. The aim of this article is to analyse Philippians 1:1-11 from a rhetorical perspective ..... gospel. koinwniva includes, but is not limited to, the financial contri- butions of .... einsichtig”) and the whole statement tautological if one inter-.

AGR-1 Compact 4-1-1 Post-Irradiation Examination Results

Energy Technology Data Exchange (ETDEWEB)

Demkowicz, Paul Andrew [Idaho National Lab. (INL), Idaho Falls, ID (United States); Harp, Jason M. [Idaho National Lab. (INL), Idaho Falls, ID (United States); Winston, Philip L. [Idaho National Lab. (INL), Idaho Falls, ID (United States); Ploger, Scott A. [Idaho National Lab. (INL), Idaho Falls, ID (United States); van Rooyen, Isabella J. [Idaho National Lab. (INL), Idaho Falls, ID (United States)

2016-02-01

Destructive post-irradiation examination was performed on AGR-1 fuel Compact 4-1-1, which was irradiated to a final compact-average burnup of 19.4% FIMA (fissions per initial metal atom) and a time-average, volume-average temperature of 1072°C. The analysis of this compact focused on characterizing the extent of fission product release from the particles and examining particles to determine the condition of the kernels and coating layers. The work included deconsolidation of the compact and leach-burn-leach analysis, visual inspection and gamma counting of individual particles, metallurgical preparation of selected particles, and examination of particle cross-sections with optical microscopy, electron microscopy, and elemental analysis. Deconsolidation-leach-burn-leach (DLBL) analysis revealed no particles with failed TRISO or failed SiC layers (as indicated by very low uranium inventory in all of the leach solutions). The total fractions of the predicted compact inventories of fission products Ce-144, Cs-134, Cs-137, and Sr-90 that were present in the compact outside of the SiC layers were <2×10^-6, based on DLBL data. The Ag-110m fraction in the compact outside the SiC layers was 3.3×10^-2, indicating appreciable release of silver through the intact coatings and subsequent retention in the OPyC layers or matrix. The Eu-154 fraction was 2.4×10^-4, which is equivalent to the inventory in one average particle, and indicates a small but measurable level of release from the intact coatings. Gamma counting of 61 individual particles indicated no particles with anomalously low fission product retention. The average ratio of measured inventory to calculated inventory was close to a value of 1.0 for several fission product isotopes (Ce-144, Cs-134, and Cs-137), indicating good retention and reasonably good agreement with the predicted inventories. Measured-to-calculated (M/C) activity ratios for fission products Eu-154, Eu-155, Ru-106, Sb

Verification report for SIMREP 1.1

International Nuclear Information System (INIS)

Tarapore, P.S.

1987-06-01

SIMREP 1.1 is a discrete event computer simulation of repository operations in the surface waste-handling facility. The logic for this model is provided by Fluor Technology, Inc., the Architect/Engineer of the salt repository. The verification methods included a line-by-line review of the code, a detailed examination of a generated trace of all simulated events over a given period of operations, and a comparison of the simulation output results with expected values. SIMREP 1.1 performs in the required manner under the given range of input conditions

Experimental Conditions: SE24_S1_M1_D1 [Metabolonote[Archive

Lifescience Database Archive (English)

Full Text Available rometry with 13C‑Labeling for Chemical Assignment of Sulfur-Containing Metabolites ...SE24_S1_M1_D1 SE24 Combination of Liquid Chromatography-Fourier Transform Ion Cyclotron Resonance-Mass Spect

User Manual for Whisper-1.1

Energy Technology Data Exchange (ETDEWEB)

Brown, Forrest B. [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Rising, Michael Evan [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Alwin, Jennifer Louise [Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

2017-01-26

Whisper is a statistical analysis package developed in 2014 to support nuclear criticality safety (NCS) validation [1-3]. It uses the sensitivity profile data for an application as computed by MCNP6 [4-6] along with covariance files [7,8] for the nuclear data to determine a baseline upper-subcritical-limit (USL) for the application. Whisper version 1.0 was first developed and used at LANL in 2014 [3]. During 2015- 2016, Whisper was updated to version 1.1 and is to be included with the upcoming release of MCNP6.2. This document describes the user input and options for running whisper-1.1, including 2 perl utility scripts that simplify ordinary NCS work, whisper_mcnp.pl and whisper_usl.pl. For many detailed references on the theory, applications, nuclear data & covariances, SQA, verification-validation, adjointbased methods for sensitivity-uncertainty analysis, and more – see the Whisper – NCS Validation section of the MCNP Reference Collection at mcnp.lanl.gov. There are currently over 50 Whisper reference documents available.

User Manual for Whisper-1.1

International Nuclear Information System (INIS)

Brown, Forrest B.; Rising, Michael Evan; Alwin, Jennifer Louise

2017-01-01

Whisper is a statistical analysis package developed in 2014 to support nuclear criticality safety (NCS) validation [1-3]. It uses the sensitivity profile data for an application as computed by MCNP6 [4-6] along with covariance files [7,8] for the nuclear data to determine a baseline upper-subcritical-limit (USL) for the application. Whisper version 1.0 was first developed and used at LANL in 2014 [3]. During 2015- 2016, Whisper was updated to version 1.1 and is to be included with the upcoming release of MCNP6.2. This document describes the user input and options for running whisper-1.1, including 2 perl utility scripts that simplify ordinary NCS work, whisper_mcnp.pl and whisper_usl.pl. For many detailed references on the theory, applications, nuclear data & covariances, SQA, verification-validation, adjointbased methods for sensitivity-uncertainty analysis, and more - see the Whisper - NCS Validation section of the MCNP Reference Collection at mcnp.lanl.gov. There are currently over 50 Whisper reference documents available.

2009 H1N1 Flu Vaccine Facts

Science.gov (United States)

... of this page please turn Javascript on. Feature: Flu 2009 H1N1 Flu Vaccine Facts Past Issues / Fall 2009 Table of ... the H1N1 flu vaccine. 1 The 2009 H1N1 flu vaccine is safe and well tested. Clinical trials ...

CYP1A1 and CYP1B1 in human lymphocytes as biomarker of exposure: effect of dioxin exposure and polymorphisms

Energy Technology Data Exchange (ETDEWEB)

Duursen, M. van; Sanderson, T.; Berg, M. van den [Inst. for Risk Assessment Sciences, Utrecht (Netherlands)

2004-09-15

There are several known genetic polymorphisms of the CYP1A1 and CYP1B1 genes. A polymorphism in the 3'-untranslated region of the CYP1A1 gene (CYP1A1 MspI or CYP1A1 m1) is often studied in relation with breast or lung cancer, but little is known about the functional effect of this polymorphism. An amino acid substitution in codon 432 (Val to Leu) of the CYP1B1 gene is associated with a lower catalytic activity of the enzyme. However, the involvement of these polymorphisms on the inducibility of CYP1A1 and CYP1B1 gene expression is unclear. CYP1A1 and CYP1B1 mRNA expression levels can be determined in peripheral blood lymphocytes. This makes them potential candidates for use as biomarker of exposure to environmental compounds. Interindividual variations in mRNA expression patterns, catalytic activity and polymorphisms are very important factors when CYP1A1 and CYP1B1 expression patterns are used as biomarker of exposure, but little is known about it. Spencer et al. showed a concentration-dependent increase of CYP1B1 mRNA in lymphocytes upon exposure in vitro to 2,3,7,8-tetrachloro-p-dibenzodioxin (TCDD), the most potent dioxin. Yet, only a few studies describe the in vivo correlation between polymorphisms, mRNA expression level and exposure to environmental factors. In this study, we wanted to obtain a better insight in the CYP1A1 and CYP1B1 mRNA expression and enzyme activity in human lymphocytes. We determined the constitutive CYP1A1 and CYP1B1 mRNA expression in lymphocytes of ten healthy volunteers and the variability in sensitivity toward enzyme induction by TCDD. Further, the CYP1A1 m1 and CYP1B1 Val432Leu polymorphisms were determined.

Procedures for operational monitoring of the environmental equivalent doses in cobalt therapy

International Nuclear Information System (INIS)

Perez Velasquez, Reytel; Gonzalez Lopez, Nadia; Perez Tamayo, Luis

2009-01-01

It took as its object of study environmental equivalent dose rates of field radiation they face radiophysicists technicians and medical physicists in the irradiation site of the radiation department of Lenin Hospital in Holguin, and the public that travels or remains in premises and areas surrounding the campus. It A review of national and international publications as well as technical documents to study the state of the art of the methodological existing monitoring of those dose rates and the valuation of impact in the context of an environmental management system. Since no detailed instructions and to perform the above-mentioned monitoring was proposed structure should contain a procedure to regulate the steps for this monitoring in the radiotherapy department of the Lenin Hospital Holguin, for which we studied the guidelines of NC ISO 14000 , and was conducted wide experiment whose led to: illustrate the level of doses required workers exposed occupationally exposed to radiation and the public compare these levels with natural radiation sources, assess the effectiveness of shielding the site of irradiation and the points of greatest risk within and outside the enclosure irradiation.Also assessed the impact it can have on the health of people exposed to such doses. Finally, we proposed a procedure for conducting subsequent monitoring and made recommendations to reduce levels radiation determined the lowest level reasonably achievable. (author)

SPARK Version 1.1 user manual

International Nuclear Information System (INIS)

Weissenburger, D.W.

1988-01-01

This manual describes the input required to use Version 1.1 of the SPARK computer code. SPARK 1.1 is a library of FORTRAN main programs and subprograms designed to calculate eddy currents on conducting surfaces where current flow is assumed zero in the direction normal to the surface. Surfaces are modeled with triangular and/or quadrilateral elements. Lorentz forces produced by the interaction of eddy currents with background magnetic fields can be output at element nodes in a form compatible with most structural analysis codes. In addition, magnetic fields due to eddy currents can be determined at points off the surface. Version 1.1 features eddy current streamline plotting with optional hidden-surface-removal graphics and topological enhancements that allow essentially any orientable surface to be modeled. SPARK also has extensive symmetry specification options. In order to make the manual as self-contained as possible, six appendices are included that present summaries of the symmetry options, topological options, coil options and code algorithms, with input and output examples. An edition of SPARK 1.1 is available on the Cray computers at the National Magnetic Fusion Energy Computer Center at Livermore, California. Another more generic edition is operational on the VAX computers at the Princeton Plasma Physics Laboratory and is available on magnetic tape by request. The generic edition requires either the GKS or PLOT10 graphics package and the IMSL or NAG mathematical package. Requests from outside the United States will be subject to applicable federal regulations regarding dissemination of computer programs. 22 refs

SPARK Version 1. 1 user manual

Energy Technology Data Exchange (ETDEWEB)

Weissenburger, D.W.

1988-01-01

This manual describes the input required to use Version 1.1 of the SPARK computer code. SPARK 1.1 is a library of FORTRAN main programs and subprograms designed to calculate eddy currents on conducting surfaces where current flow is assumed zero in the direction normal to the surface. Surfaces are modeled with triangular and/or quadrilateral elements. Lorentz forces produced by the interaction of eddy currents with background magnetic fields can be output at element nodes in a form compatible with most structural analysis codes. In addition, magnetic fields due to eddy currents can be determined at points off the surface. Version 1.1 features eddy current streamline plotting with optional hidden-surface-removal graphics and topological enhancements that allow essentially any orientable surface to be modeled. SPARK also has extensive symmetry specification options. In order to make the manual as self-contained as possible, six appendices are included that present summaries of the symmetry options, topological options, coil options and code algorithms, with input and output examples. An edition of SPARK 1.1 is available on the Cray computers at the National Magnetic Fusion Energy Computer Center at Livermore, California. Another more generic edition is operational on the VAX computers at the Princeton Plasma Physics Laboratory and is available on magnetic tape by request. The generic edition requires either the GKS or PLOT10 graphics package and the IMSL or NAG mathematical package. Requests from outside the United States will be subject to applicable federal regulations regarding dissemination of computer programs. 22 refs.

26 CFR 1.381(c)(5)-1 - Inventories.

Science.gov (United States)

2010-04-01

... 26 Internal Revenue 4 2010-04-01 2010-04-01 false Inventories. 1.381(c)(5)-1 Section 1.381(c)(5)-1 Internal Revenue INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) INCOME TAX (CONTINUED) INCOME TAXES Insolvency Reorganizations § 1.381(c)(5)-1 Inventories. (a) Carryover requirement—(1...

Glutathione S-transferase M1, T1 and P1 gene polymorphisms and ...

African Journals Online (AJOL)

Moyassar Ahmad Zaki

2014-04-18

Apr 18, 2014 ... (CIMT) was done using a b-mode ultrasound to detect peripheral atherosclerotic ..... Diagnosis and classification of · diabetes mellitus. .... Breast cancer and CYP1A1, GSTM1, and GSTT1 polymorphism: · evidence of a lack of ...

On the Hopf structure of Up,q(gl(1/1)) and the universal Τ-matrix of Funp,q(GL(1/1))

International Nuclear Information System (INIS)

Chakrabarti, R.; Jagannathan, R.

1994-08-01

Using the technique developed by Fronsdal and Galindo (Lett. Math. Phys, 27 (1993) 57) for studying the Hopf duality between the quantum algebras Fun p,q (GL(2)) and U p,q (gl(2)), the Hopf structure of U p,q (gl(1/1)), dual to Fun p,q (GL(1/1)), is derived and the corresponding universal Τ-matrix of Fun p,q (GL(1/1)), embodying the suitably modified exponential relationship U p,q (gl(1/1)) → Fun p,q (GL(1/1)), is obtained. (author). 10 refs

Anti-Pauli blocking in QCD1+1

International Nuclear Information System (INIS)

Burkardt, M.; Busch, R.

1991-02-01

We investigate the flavor asymmetry of the q bar q sea in a (uu)-proton for QCD 1+1 with SU(2)-color. The excess of bar u over bar d which apparently seems to be in conflict with the exclusion principle is explained by taking the color degrees of freedom into account. By computing color factors for the relevant perturbation theory diagrams we show that the non-abelian sea quarks behave effectively similar to abelian bosons. For the magnitude of the flavor asymmetry of the sea we predict scaling proportional to the ratio of the quark Compton wavelength to the proton radius. We show that the sign of the asymmetry in QCD 1+1 is different from the sign measured in 3+1 dimensions. 9 refs., 1 fig., 1 tab

KDM2B recruitment of the Polycomb group complex, PRC1.1, requires cooperation between PCGF1 and BCORL1

OpenAIRE

Wong, Sarah J.; Gearhart, Micah D.; Taylor, Alexander B.; Nanyes, David R.; Ha, Daniel J.; Robinson, Angela K.; Artigas, Jason A.; Lee, Oliver J.; Demeler, Borries; Hart, P. John; Bardwell, Vivian J.; Kim, Chongwoo A.

2016-01-01

KDM2B recruits H2A-ubiquitinating activity of a non-canonical Polycomb Repression Complex 1 (PRC1.1) to CpG islands, facilitating gene repression. We investigated the molecular basis of recruitment using in vitro assembly assays to identify minimal components, subcomplexes and domains required for recruitment. A minimal four-component PRC1.1 complex can be assembled by combining two separately isolated subcomplexes: the DNA binding KDM2B/SKP1 heterodimer and the heterodimer of BCORL1 and the ...

Pharmacological Characterization of the Discriminative Stimulus of Inhaled 1,1,1-Trichloroethane

OpenAIRE

Shelton, Keith L.

2010-01-01

The present study examined the involvement of the GABAA, N-methy-d-aspartate (NMDA), nicotinic acetylcholine, and μ-opioid receptor systems in the transduction of the discriminative stimulus effects of the abused inhalant 1,1,1-trichloroethane (TCE). Sixteen B6SJLF1/J mice were trained to discriminate 10 min of exposure to 12,000-ppm inhaled TCE vapor from air. Substitution and antagonism tests and TCE blood concentration analysis were subsequently conducted. TCE blood concentrations decrease...

26 CFR 1.11-1 - Tax on corporations.

Science.gov (United States)

2010-04-01

... 26 Internal Revenue 1 2010-04-01 2010-04-01 true Tax on corporations. 1.11-1 Section 1.11-1 Internal Revenue INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY INCOME TAX INCOME TAXES Tax on Corporations § 1.11-1 Tax on corporations. (a) Every corporation, foreign or domestic, is liable to the tax...

Zac1, an Sp1-like protein, regulates human p21{sup WAF1/Cip1} gene expression in HeLa cells

Energy Technology Data Exchange (ETDEWEB)

Liu, Pei-Yao [Graduate Institute of Life Sciences, National Defense Medical Center, Taipei 114, Taiwan, ROC (China); Hsieh, Tsai-Yuan [Division of Gastroenterology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan, ROC (China); Liu, Shu-Ting; Chang, Yung-Lung [Department of Biochemistry, National Defense Medical Center, Taipei 114, Taiwan, ROC (China); Lin, Wei-Shiang [Division of Cardiology, Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan, ROC (China); Wang, Wei-Ming, E-mail: ades0431@ms38.hinet.net [Graduate Institute of Life Sciences, National Defense Medical Center, Taipei 114, Taiwan, ROC (China); Department of Dermatology, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan, ROC (China); Huang, Shih-Ming, E-mail: shihming@ndmctsgh.edu.tw [Graduate Institute of Life Sciences, National Defense Medical Center, Taipei 114, Taiwan, ROC (China); Department of Biochemistry, National Defense Medical Center, Taipei 114, Taiwan, ROC (China)

2011-12-10

Zac1 functions as both a transcription factor and a transcriptional cofactor for p53, nuclear receptors (NRs) and NR coactivators. Zac1 might also act as a transcriptional repressor via the recruitment of histone deacetylase 1 (HDAC1). The ability of Zac1 to interact directly with GC-specific elements indicates that Zac1 possibly binds to Sp1-responsive elements. In the present study, our data show that Zac1 is able to interact directly with the Sp1-responsive element in the p21{sup WAF1/Cip1} gene promoter and enhance the transactivation activity of Sp1 through direct physical interaction. Our data further demonstrate that Zac1 might enhance Sp1-specific promoter activity by interacting with the Sp1-responsive element, affecting the transactivation activity of Sp1 via a protein-protein interaction, or competing the HDAC1 protein away from the pre-existing Sp1/HDAC1 complex. Finally, the synergistic regulation of p21{sup WAF1/Cip1} gene expression by Zac1 and Sp1 is mediated by endogenous p53 protein and p53-responsive elements in HeLa cells. Our work suggests that Zac1 might serve as an Sp1-like protein that directly interacts with the Sp1-responsive element to oligomerize with and/or to coactivate Sp1.

The PDL1-PD1 Axis Converts Human Th1 Cells Into Regulatory T Cells

Science.gov (United States)

Amarnath, Shoba; Mangus, Courtney W.; Wang, James C.M.; Wei, Fang; He, Alice; Kapoor, Veena; Foley, Jason E.; Massey, Paul R.; Felizardo, Tania C.; Riley, James L.; Levine, Bruce L.; June, Carl H.; Medin, Jeffrey A.; Fowler, Daniel H.

2011-01-01

Immune surveillance by T helper type 1 (Th1) cells is critical for the host response to tumors and infection, but also contributes to autoimmunity and graft-versus-host disease (GvHD) after transplantation. The inhibitory molecule programmed death ligand-1 (PDL1) has been shown to anergize human Th1 cells, but other mechanisms of PDL1-mediated Th1 inhibition such as the conversion of Th1 cells to a regulatory phenotype have not been well characterized. We hypothesized that PDL1 may cause Th1 cells to manifest differentiation plasticity. Conventional T cells or irradiated K562 myeloid tumor cells overexpressing PDL1 converted TBET+ Th1 cells into FOXP3+ regulatory T cells (TREGS) in vivo, thereby preventing human-into-mouse xenogeneic GvHD (xGvHD). Either blocking PD1 expression on Th1 cells by siRNA targeting or abrogation of PD1 signaling by SHP1/2 pharmacologic inhibition stabilized Th1 cell differentiation during PDL1 challenge and restored the capacity of Th1 cells to mediate lethal xGVHD. PD1 signaling therefore induces human Th1 cells to manifest in vivo plasticity, resulting in a TREG phenotype that severely impairs cell-mediated immunity. Converting human Th1 cells to a regulatory phenotype with PD1 signaling provides a potential way to block GvHD after transplantation. Moreover, because this conversion can be prevented by blocking PD1 expression or pharmacologically inhibiting SHP1/2, this pathway provides a new therapeutic direction for enhancing T cell immunity to cancer and infection. PMID:22133721

Interstrand cross-linking of DNA by 1,3-bis(2-chloroethyl)-1-nitrosourea and other 1-(2-haloethyl)-1-nitrosoureas.

Science.gov (United States)

Kohn, K W

1977-05-01

Bifunctional alkylating agents are known to cross-link DNA by simultaneously alkylating two guanine residues located on opposite strands. Despite this apparent requirement for bifunctionality, 1-(2-chloroethyl)-1-nitrosoureas bearing a single alkylating function were found to cross-link DNA in vitro. Cross-linking was demonstrated by showing inhibition of alkali-induced strand separation. Extensive cross-linking was observed in DNA treated with 1-(2-chloroethyl)-1-nitrosourea, 1,3-bis-(2-chloroethyl)-1-nitrosourea, and 1-(2-chloroethyl(-3-cyclohexyl-1-nitrosourea. The reaction occurs in two steps, an intital binding followed by a second step which can proceed after removal of unbound drug. It is suggested that the first step is chloroethylation of a nucleophilic site on one strand and that the second step involves displacement of Cl- by a nucleophilic site on the opposite strand, resulting in an ethyl bridge between the strands. Consistent with this possibility, 1-(2-fluoroethyl)-3-cyclohexyl-1-nitrosourea produced much less cross-linking, as expected from the known low activity of F-, compared with Cl-, as leaving group. 1-Methyl-1-nitrosourea, which is known to depurinate DNA, produced no detectable cross-linking.

Daintain/AIF-1 (Allograft Inflammatory Factor-1) accelerates type 1 diabetes in NOD mice

Energy Technology Data Exchange (ETDEWEB)

Zhao, Yan-Ying, E-mail: biozyy@163.com [College of Life Science and Technology, Southwest University for Nationalities, Chengdu 610041 (China); Huang, Xin-Yuan [College of Life Science and Technology, Hubei Engineering University, Xiaogan 432000 (China); Chen, Zheng-Wang [Key Laboratory of Molecular Biophysics of the Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074 (China)

2012-10-26

Highlights: Black-Right-Pointing-Pointer Daintain/AIF-1 is over-expressed in the blood of NOD mice suffering from insulitis. Black-Right-Pointing-Pointer Daintain/AIF-1 stimulates white blood cell proliferation in NOD mice. Black-Right-Pointing-Pointer Daintain/AIF-1 increases blood glucose levels and triggers type 1 diabetes. Black-Right-Pointing-Pointer Daintain/AIF-1 accelerates insulitis, while its antibody prevents insulitis. Black-Right-Pointing-Pointer Daintain/AIF-1 enhances the levels of nitric oxide in the pancreases of NOD mice. -- Abstract: A large body of experimental evidence suggests that cytokines trigger pancreatic {beta}-cell death in type 1 diabetes mellitus. Daintain/AIF-1 (Allograft Inflammatory Factor-1), a specific marker for activated macrophages, is accumulated in the pancreatic islets of pre-diabetic BB rats. In the present study, we demonstrate that daintain/AIF-1 is released into blood and the levels of daintain/AIF-1 in the blood of type 1 diabetes-prone non-obese diabetic (NOD) mice suffering from insulitis are significantly higher than that in healthy NOD mice. When injected intravenously into NOD mice, daintain/AIF-1 stimulates white blood cell proliferation, increases the concentrations of blood glucose, impairs insulin expression, up-regulates nitric oxide (NO) production in pancreases and accelerates diabetes in NOD mice, while the antibody against daintain/AIF-1 delays or prevents insulitis in NOD mice. These results imply daintain/AIF-1 triggers type 1 diabetes probably via arousing immune cells activation and induction of NO production in pancreas of NOD mice.

Depleted aldehyde dehydrogenase 1A1 (ALDH1A1) reverses cisplatin resistance of human lung adenocarcinoma cell A549/DDP.

Science.gov (United States)

Wei, Yunyan; Wu, Shuangshuang; Xu, Wei; Liang, Yan; Li, Yue; Zhao, Weihong; Wu, Jianqing

2017-01-01

Cisplatin is the standard first-line chemotherapeutic agent for the treatment of non-small cell lung cancer (NSCLC). However, resistance to chemotherapy has been a major obstacle in the management of NSCLC. Aldehyde dehydrogenase 1A1 (ALDH1A1) overexpression has been observed in a variety of cancers, including lung cancer. The purpose of this study was to investigate the effect of ALDH1A1 expression on cisplatin resistance and explore the mechanism responsible. Reverse transcriptase-PCR was applied to measure the messenger RNA expression of ALDH1A1, while Western blot assay was employed to evaluate the protein expression of ALDH1A1, B-cell lymphoma 2, Bcl-2-like protein 4, phospho-protein kinase B (p-AKT) and AKT. A short hairpin RNA was used to knockdown ALDH1A1 expression. A 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay was used to determine the effect of ALDH1A1 decrease on cell viability. The cell apoptotic rate was tested using flow cytometry assay. ALDH1A1 is overexpressed in cisplatin resistant cell line A549/DDP, compared with A549. ALDH1A1 depletion significantly decreased A549/DDP proliferation, increased apoptosis, and reduced cisplatin resistance. In addition, the phosphoinositide 3-kinase (PI3K) / AKT pathway is activated in A549/DDP, and ALDH1A1 knockdown reduced the phosphorylation level of AKT. Moreover, the combination of ALDH1A1-short hairpin RNA and PI3K/AKT pathway inhibitor LY294002 markedly inhibited cell viability, enhanced apoptotic cell death, and increased cisplatin sensitivity. These results suggest that ALDH1A1 depletion could reverse cisplatin resistance in human lung cancer cell line A549/DDP, and may act as a potential target for the treatment of lung cancers resistant to cisplatin. © 2016 The Authors. Thoracic Cancer published by China Lung Oncology Group and John Wiley & Sons Australia, Ltd.

PINK1 positively regulates IL-1β-mediated signaling through Tollip and IRAK1 modulation

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Lee Hyun Jung

2012-12-01

Full Text Available Abstract Background Parkinson disease (PD is characterized by a slow, progressive degeneration of dopaminergic neurons in the substantianigra. The cause of neuronal loss in PD is not well understood, but several genetic loci, including PTEN-induced putative kinase 1 (PINK1, have been linked to early-onset autosomal recessive forms of familial PD. Neuroinflammation greatly contributes to PD neuronal degeneration and pathogenesis. IL-1 is one of the principal cytokines that regulates various immune and inflammatory responses via the activation of the transcription factors NF-κB and activating protein-1. Despite the close relationship between PD and neuroinflammation, the functional roles of PD-linked genes during inflammatory processes remain poorly understood. Methods To explore the functional roles of PINK1 in response to IL-1β stimulation, HEK293 cells, mouse embryonic fibroblasts derived from PINK1-null (PINK1−/− and control (PINK1+/+ mice, and 293 IL-1RI cells stably expressing type 1 IL-1 receptor were used. Immunoprecipitation and western blot analysis were performed to detect protein–protein interaction and protein ubiquitination. To confirm the effect of PINK1 on NF-κB activation, NF-κB-dependent firefly luciferase reporter assay was conducted. Results PINK1 specifically binds two components of the IL-1-mediated signaling cascade, Toll-interacting protein (Tollip and IL-1 receptor-associated kinase 1 (IRAK1. The association of PINK1 with Tollip, a negative regulator of IL-1β signaling, increases upon IL-1β stimulation, which then facilitates the dissociation of Tollip from IRAK1 as well as the assembly of the IRAK1–TNF receptor-associated factor 6 (TRAF6 complex. PINK1 also enhances Lys63-linked polyubiquitination of IRAK1, an essential modification of recruitment of NF-κB essential modulator and subsequent IκB kinase activation, and increases formation of the intermediate signalosome including IRAK1, TRAF6, and

26 CFR 1.1021-1 - Sale of annuities.

Science.gov (United States)

2010-04-01

... 26 Internal Revenue 11 2010-04-01 2010-04-01 true Sale of annuities. 1.1021-1 Section 1.1021-1...) INCOME TAXES Basis Rules of General Application § 1.1021-1 Sale of annuities. In the case of a transfer for value of an annuity contract to which section 72(g) and paragraph (a) of § 1.72-10 apply, the...

Crystal structures of 2,2′-bipyridin-1-ium 1,1,3,3-tetracyano-2-ethoxyprop-2-en-1-ide and bis(2,2′-bipyridin-1-ium 1,1,3,3-tetracyano-2-(dicyanomethylenepropane-1,3-diide

Directory of Open Access Journals (Sweden)

Zouaoui Setifi

2015-05-01

Full Text Available In 2,2′-bipyridin-1-ium 1,1,3,3-tetracyano-2-ethoxyprop-2-en-1-ide, C10H9N2+·C9H5N4O−, (I, the ethyl group in the anion is disordered over two sets of atomic sites with occupancies 0.634 (9 and 0.366 (9, and the dihedral angle between the ring planes in the cation is 2.11 (7°. The two independent C(CN2 groups in the anion make dihedral angles of 10.60 (6 and 12.44 (4° with the central propenide unit, and the bond distances in the anion provide evidence for extensive electronic delocalization. In bis(2,2′-bipyridin-1-ium 1,1,3,3-tetracyano-2-(dicyanomethylenepropane-1,3-diide [alternative name bis(2,2′-bipyridin-1-ium tris(dicyanomethylenemethanediide], 2C10H9N2+·C10N62− (II, the dihedral angles between the ring planes in the two independent cations are 7.7 (2 and 10.92 (17°. The anion exhibits approximate C3 symmetry, consistent with extensive electronic delocalization, and the three independent C(CN2 groups make dihedral angles of 23.8 (2, 27.0 (3 and 27.4 (2° with the central plane. The ions in (I are linked by an N—H...N hydrogen bond and the resulting ion pairs are linked by two independent C—H...N hydrogen bonds, forming a ribbon containing alternating R44(18 and R44(26 rings, where both ring types are centrosymmetric. The ions in (II are linked by two independent N—H...N hydrogen bonds and the resulting ion triplets are linked by a C—H...N hydrogen bond, forming a C21(7 chain containing anions and only one type of cation, with the other cation linked to the chain by a further C—H...N hydrogen bond.

Growth of pentacene on Ag(1 1 1) surface: A NEXAFS study

International Nuclear Information System (INIS)

Pedio, M.; Doyle, B.; Mahne, N.; Giglia, A.; Borgatti, F.; Nannarone, S.; Henze, S.K.M.; Temirov, R.; Tautz, F.S.; Casalis, L.; Hudej, R.; Danisman, M.F.; Nickel, B.

2007-01-01

Thin films of pentacene (C 22 H 14 ) have become widely used in the field of organic electronics. Here films of C 22 H 14 of thickness ranging from submonolayer to multilayer were thermally deposited on Ag(1 1 1) surface. The determination of molecular geometry in pentacene films on Ag(1 1 1) studied by X-ray absorption at different stages of growth up to one monolayer is presented. XAS spectra at the C K-edge were collected as a function of the direction of the electric field at the surface. The different features of the spectra were assigned to resonances related to the various molecular unoccupied states by the comparison with the absorption coefficient of the pentacene gas phase. The transitions involving antibonding π states show a pronounced angular dependence for all the measured coverages, from submonolayer to multilayer. The spectra analysis indicates a nearly planar chemisorption of the first pentacene layer with a tilt angle of 10 o

Prokineticin-1 (PROK1) modulates interleukin (IL)-11 expression via prokineticin receptor 1 (PROKR1) and the calcineurin/NFAT signalling pathway.

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Cook, Ian H; Evans, Jemma; Maldonado-Pérez, David; Critchley, Hilary O; Sales, Kurt J; Jabbour, Henry N

2010-03-01

Prokineticin-1 (PROK1) is a multifunctional secreted protein which signals via the G-protein coupled receptor, PROKR1. Previous data from our laboratory using a human genome survey microarray showed that PROK1-prokineticin receptor 1 (PROKR1) signalling regulates numerous genes important for establishment of early pregnancy, including the cytokine interleukin (IL)-11. Here, we have shown that PROK1-PROKR1 induces the expression of IL-11 in PROKR1 Ishikawa cells and first trimester decidua via the calcium-calcineurin signalling pathway in a guanine nucleotide-binding protein (G(q/11)), extracellular signal-regulated kinases, Ca(2+) and calcineurin-nuclear factor of activated T cells dependent manner. Conversely, treatment of human decidua with a lentiviral miRNA to abolish endogenous PROK1 expression results in a significant reduction in IL-11 expression and secretion. Importantly, we have also shown a regulatory role for the regulator of calcineurin 1 isoform 4 (RCAN1-4). Overexpression of RCAN1-4 in PROKR1 Ishikawa cells using an adenovirus leads to a reduction in PROK1 induced IL-11 indicating that RCAN1-4 is a negative regulator in the calcineurin-mediated signalling to IL-11. Finally, we have shown the potential for both autocrine and paracrine signalling in the human endometrium by co-localizing IL-11, IL-11Ralpha and PROKR1 within the stromal and glandular epithelial cells of non-pregnant endometrium and first trimester decidua. Overall we have identified and characterized the signalling components of a novel PROK1-PROKR1 signalling pathway regulating IL-11.

SIRT1 mediates Sphk1/S1P-induced proliferation and migration of endothelial cells.