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CRYSTAL STRUCTURES OF (E)-1-(3,4,5-TRIMETHOXYPHENYL)-2-NITROETHENE AND (E)-1-(3,4,5-TRIMETHOXYPHENYL)-2-NITROPROPENE
(Sociedad Chilena de Química, 1999)
Crystal structure of 4-[(adamantan-1-yl)amino]naphthalene-1,2-dione
(2019)
The title compound, C20H21NO2, an example of a stable 1,2-naphthoquinone, was determined by single-crystal X-ray diffraction analysis at 100 K. This structure illustrates steric buttressing of the adamantanyl group, forcing ...
Crystal Structure of the FAD-Containing Ferredoxin-NADP+ Reductase from the Plant Pathogen Xanthomonas axonopodis pv. Citri
(Hindawi Publishing Corporation, 2013-07)
We have solved the structure of ferredoxin-NADP(H) reductase, FPR, from the plant pathogenXanthomonas axonopodispv. citri, responsible for citrus canker, at a resolution of 1.5˚ A. This structure reveals differences in the ...
The structural molecular biology network of the State of São Paulo, Brazil
(Academia Brasileira de Ciências, 2006-06-01)
This article describes the achievements of the Structural Molecular Biology Network (SMolBNet), a collaborative program of structural molecular biology, centered in the State of São Paulo, Brazil, and supported by São Paulo ...
Mineralogia e cristalografia da fração argila de horizontes coesos de solos nos tabuleiros costeiros
(Sociedade Brasileira de Ciência do Solo, 2009)
A coesão de horizontes de solos do Brasil vem sendo associada, principalmente, a fatores físicos e químicos inter-relacionados, mas a influência das propriedades mineralógicas e cristalográficas dos minerais da fração ...
Rayos x: 100 años entre cristales y análisis de estructuras en la materia
(Universidad Nacional de Colombia, Bogotá, 2014-10-25)
En la actualidad, la cristalografía de rayos X se ha convertido en la principal técnicapara estudiar la estructura de la materia a nivel atómico o molecular, y a partir de ese análisis comprender las propiedades que la ...
A influência do fator de vibração térmica na densidade eletrônica de cristais bidimensionais
(Sociedade Brasileira de Física, 2001-06-01)
Este trabalho mostra o efeito da vibração térmica na densidade eletrônica de cristais bidimensionais, usando o programa Mathematica. É apresentado um modelo de cristal simples para ajudar no ensino de conceitos básicos ...
Structural, spectroscopic, and theoretical analysis of a molecular system based on 2-((2-(4-chlorophenylhydrazone)methyl)quinolone
(Universidad Nacional de Colombia - Sede Bogotá - Facultad de Ciencias - Departamento de Química, 2018-05-01)
A novel molecular system based on 2-((2-(4-chlorophenylhydrazone)methyl)quinoline (1-E) was synthesized. Interconversion of 1-E to its configurational isomer 1-Z was achieved using UV radiation (250 W Hg lamp). Such ...
Polimorfismo na produção de medicamentos
(2012-08-15)
Polymorphism can cause quality deviations during the production of medicines and can influence their effectiveness. Therefore, an understanding of this phenomenon and its implications opens a wide field of possibilities ...