نتایج جستجو برای: lead compounds

تعداد نتایج: 555612  

2009

SCOEL has already issued Summary Documents on both Lead and Lead Compounds (SCOEL/SUM 83) and Hexavalent Chromium Compounds (SCOEL/SUM 86), to which reference is made. On this basis, the present Summary Document on Lead Chromate is focussed on experimental data on the genotoxicity of lead chromate and on the issue of bioavailibility. Specific data on lead chromate published after the latest IAR...

2009

SCOEL has already issued Summary Documents on both Lead and Lead Compounds (SCOEL/SUM 83) and Hexavalent Chromium Compounds (SCOEL/SUM 86), to which reference is made. On this basis, the present Summary Document on Lead Chromate is focussed on experimental data on the genotoxicity of lead chromate and on the issue of bioavailibility. Specific data on lead chromate published after the latest IAR...

2015
Ryan W. Crisp Daniel M. Kroupa Ashley R. Marshall Elisa M. Miller Jianbing Zhang Matthew C. Beard Joseph M. Luther

We developed a layer-by-layer method of preparing PbE (E = S or Se) quantum dot (QD) solar cells using metal halide (PbI2, PbCl2, CdI2, or CdCl2) salts dissolved in dimethylformamide to displace oleate surface ligands and form conductive QD solids. The resulting QD solids have a significant reduction in the carbon content compared to films treated with thiols and organic halides. We find that t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...

Journal: :Organic & biomolecular chemistry 2015
Richard G Doveston Paolo Tosatti Mark Dow Daniel J Foley Ho Yin Li Amanda J Campbell David House Ian Churcher Stephen P Marsden Adam Nelson

Controlling the properties of lead molecules is critical in drug discovery, but sourcing large numbers of lead-like compounds for screening collections is a major challenge. A unified synthetic approach is described that enabled the synthesis of 52 diverse lead-like molecular scaffolds from a minimal set of 13 precursors. The divergent approach exploited a suite of robust, functional group-tole...

2011
Yaneth Osorio Bruno L. Travi Adam R. Renslo Alex G. Peniche Peter C. Melby

BACKGROUND New drugs are needed to treat visceral leishmaniasis (VL) because the current therapies are toxic, expensive, and parasite resistance may weaken drug efficacy. We established a novel ex vivo splenic explant culture system from hamsters infected with luciferase-transfected Leishmania donovani to screen chemical compounds for anti-leishmanial activity. METHODOLOGY/PRINCIPAL FINDINGS ...

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