Mostrando 1,741 - 1,760 Resultados de 2,278 Para Buscar '"chemist"', tiempo de consulta: 0.90s Limitar resultados
  1. 1741
    “…A sustainable manufacturing approach will enable economic growth to be combined with environmental and social sustainability and will be realized via collaboration between a multidisciplinary community including chemists, biologists, engineers, environmental scientists, economists, experts in management, and policy makers. …”
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  2. 1742
    “…The discovery of natural products continues to interest chemists and biologists for their utility in medicine as well as facilitating our understanding of signaling, pathogenesis, and evolution. …”
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  3. 1743
    “…The proximate composition of the fish samples (total protein, total lipid, ash, moisture, and macro-element content) was determined using the Association of Official Analytical Chemists (AOAC) and International Organization for Standardization (ISO) official methods. …”
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  4. 1744
    “…FoldamerDB is hoped to bridge the gap in the freely available web-based resources on foldamers and will be of interest to diverse groups of scientists from chemists to biologists. The database can be accessed at http://foldamerdb.ttk.hu/.…”
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  5. 1745
    “…The resulting set of 1035 hit compounds was reviewed by a team of medicinal chemists, leading to the nomination of 17 chemically distinct scaffolds for further investigation. …”
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  6. 1746
    “…These latter devices have been shown to cause severe ACD in a considerable number of diabetic patients caused by the liberation of isobornyl acrylate and N,N’-dimethylacrylamide, respectively, as demonstrated by an international collaboration between dermatologists and chemists. Improved and complete ingredient labelling for all types of products, and not just as we have with cosmetics at present (apart from full listing of fragrance substances) in Europe, must be put on the legislative agenda.…”
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  7. 1747
    “…NMR hardware improvements have given access to the microgram domain of phytochemistry, which should lead to the discovery of novel bioactive natural compounds. Steering medicinal chemists through the lead optimisation process by providing detailed information about protein–ligand interactions has led to impressive success in the development of novel drugs. …”
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  8. 1748
    “…The discussion outlined in this specific review will surly helpful and vital tool for those medicinal chemists investigators working with HCV research programs mainly pointing on NS5B and set broad spectrum identification of creative anti HCV compounds. …”
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  9. 1749
    por Di Meo, Sergio, Venditti, Paola
    Publicado 2020
    “…The evidence of their existence was obtained only at the beginning of the 20th century. Chemists gradually ascertained the involvement of free radicals in organic reactions and, in the middle of the 20th century, their production in biological systems. …”
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  10. 1750
    por Sproul, Gordon D.
    Publicado 2020
    “…[Image: see text] Scales of electronegativity values are used by chemists to describe numerous chemical features such as chemical mechanisms, bond polarity, band gap, atomic hardness, etc. …”
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  11. 1751
    “…Different fruit batches harvested in different seasons were analyzed by standardized analytical methods (Association of Official Analytical Chemists, AOAC), high-performance liquid chromatography with ultraviolet detection (HPLC-UV) and atomic absorption spectroscopy. …”
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  12. 1752
    por Li, Jie, Liu, Ye, Ren, Wei-Min, Lu, Xiao-Bing
    Publicado 2020
    “…The preparation of stereochemistry- and sequence-defined polymers, in which different monomer units are arranged in an ordered fashion just like biopolymers, is of great interest and has been a long-standing goal for chemists due to the expectation of unique macroscopic properties. …”
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  13. 1753
  14. 1754
  15. 1755
    por Magriotis, Plato A.
    Publicado 2020
    “…The important requirement for approval of a new drug, in case it happens to be chiral, is that both enantiomers of the drug should be studied in detail, which has led synthetic organic and medicinal chemists to focus their attention on the development of new methods for asymmetric synthesis especially of relevant saturated N-heterocycles. …”
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  16. 1756
    “…Prebiotic chemists often study how modern biopolymers, e.g., peptides and nucleic acids, could have originated in the primitive environment, though most contemporary biomonomers don’t spontaneously oligomerize under mild conditions without activation or catalysis. …”
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  17. 1757
    “…Accurate analysis using a simple and rapid procedure is always the most important pursuit of analytical chemists. In this study, a new sample preparation procedure, namely the shaker cup (SH) method, was designed and compared with two sample preparation procedures, commonly used in the laboratory, from three aspects: homogeneity of the sample–flux mixture, potential for sample contamination, and sample preparation time. …”
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  18. 1758
    “…Handling materials inside mostly transparent containers is the main activity performed by human and robotic chemists in the laboratory. Visual recognition of vessels and their contents is essential for performing this task. …”
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  19. 1759
    “…Further analysis revealed inherent medicinal chemistry knowledge potentially useful to chemists in the pursuit of synthesizing metabolically stable compounds. …”
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  20. 1760
    “…The analysis of mercury in food presents a challenge for analytical chemists. Sample pre-treatment and the preconcentration of mercury prior to measurement are required, even when highly sensitive analytical methods are used. …”
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