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“…Hafemeister, a former Congressional fellow with wide Washington experience, has written a book for physicists, chemists and engineers who want to learn science and policy on weapons, energy, and the environment. …”
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“…The computational scenario provided here will assist chemists in quickly designing and predicting new potent and selective candidates as MAO-B inhibitors for MAO-B-driven diseases. …”
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“…We believe this work not only provides a solid theoretical foundation for the design of LSD1 substrate reversible inhibitors, but also expands the diversity of parent nucleus, offering new insights for synthetic chemists.…”
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“…Searching for the maximum coordination number (CN) in planar species with novel bonding patterns has fascinated chemists for many years. Using the experimentally observed polyynic cyclo[18]carbon D(9h) C(18) and theoretically predicted polyynic cyclo[14]carbon D(7h) C(14) as effective ligands and based on extensive first-principles theory calculations, we predict herein their perfect planar alkaline-metal-centered complexes D(9h) Cs©C(18)(+) (1) and D(7h) Na©C(14)(+) (4) which as the global minima of the systems possess the record coordination numbers of CN = 18 and 14 in planar polyynic species, respectively. …”
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“…[Image: see text] Quantum chemistry provides chemists with invaluable information, but the high computational cost limits the size and type of systems that can be studied. …”
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“…The proximate composition was determined according to Association of Official Analytical Chemists. The mineral content was determined by colorimetry and mass spectrometry. …”
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“…A commercial brand of gingersnaps was found by chemists at the Centers for Disease Control and Prevention to contain a relatively high concentration of methyleugenol. …”
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“…The situation poses an opportunity for clinical chemists to take the lead in the development and validation of such biomarkers. …”
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“…The aim of the present study was to develop a practical strategy for microbial chemists to access silent metabolites in fungi. We demonstrated this strategy using a marine-derived fungus Penicillium purpurogenum G59 and a modified diethyl sulphate mutagenesis procedure. …”
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“…Boosting all these excellent properties to obtain unprecedented performances requires the core competences of materials chemists to design and develop novel processing strategies that ultimately allow tailoring the structure and/or the composition of the resulting chitosan-based materials. …”
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“…To achieve these new endpoints, it is clear that the integrated efforts of bioinformaticians and natural product chemists will be required as we strive to uncover new and potentially unique structures from silent or cryptic marine gene clusters.…”
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“…Nucleophilic aromatic substitution (S(N)Ar) is widely used by organic chemists to functionalize aromatic molecules, and it is the most commonly used method to generate arenes that contain a (18)F for use in PET imaging.(1) A wide range of nucleophiles exhibit S(N)Ar reactivity, and the operational simplicity of the reaction means that the transformation can be conducted reliably and on large scales.(2) During S(N)Ar, attack of a nucleophile at a carbon atom bearing a ‘leaving group’ leads to a negatively charged intermediate called a Meisenheimer complex. …”
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“…The expert method of exposure assignment involves relying on chemists or hygienists to estimate occupational exposures using information collected on study subjects. …”
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