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1721por Hrvolová, Barbora, Martínez-Huélamo, Miriam, Colmán-Martínez, Mariel, Hurtado-Barroso, Sara, Lamuela-Raventós, Rosa Maria, Kalina, Jiří“…The accuracy, precision, and stability met with the acceptance criteria of the AOAC (Association of Official Analytical Chemists) International. According to these results, the described HPLC-MS/MS method is adequately sensitive, repeatable and suitable for the large-scale analysis of compounds in biological fluids.…”
Publicado 2016
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1722“…Hydroacylation reactions and aza-benzoin reactions have attracted considerable attention from experimental chemists. Recently, Wang et al. reported an interesting reaction of N-heterocyclic carbene (NHC)-catalyzed addition of aldehyde to enamide, in which both hydroacylation and aza-benzoin reactions may be involved. …”
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1723por Fürstner, Alois“…The challenges are significant, not least at the analytical frontier; their mastery mandates a mindset that differs from the routines that most organic chemists interested in (noble metal) catalysis tend to cultivate. …”
Publicado 2016
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1724“…Unveiling the determinants for transferase and hydrolase activity in glycoside hydrolases would allow using their vast diversity for creating novel transglycosylases, thereby unlocking an extensive toolbox for carbohydrate chemists. Three different amino acid substitutions at position 220 of a GH1 β-glucosidase from Thermotoga neapolitana caused an increase of the ratio of transglycosylation to hydrolysis (r (s)/r (h)) from 0.33 to 1.45–2.71. …”
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1725“…In order to enable computational chemists and modelers to efficiently use available software tools, we have additionally performed several focused analyses on ligands, grouped according to descriptors most relevant for the rational drug design. …”
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1726por Lichtman, Marshall A.“…Alfred Nobel was one of the most successful chemists, inventors, entrepreneurs, and businessmen of the late nineteenth century. …”
Publicado 2017
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1727por Ember, Katherine J. I., Hoeve, Marieke A., McAughtrie, Sarah L., Bergholt, Mads S., Dwyer, Benjamin J., Stevens, Molly M., Faulds, Karen, Forbes, Stuart J., Campbell, Colin J.“…Since its discovery in the 1920s, physicists and chemists have used Raman scattering to investigate the chemical composition of a vast range of both liquid and solid materials. …”
Publicado 2017
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1728por Huang, Weiliang, Brewer, Luke K, Jones, Jace W, Nguyen, Angela T, Marcu, Ana, Wishart, David S, Oglesby-Sherrouse, Amanda G, Kane, Maureen A, Wilks, Angela“…The PAMBD and its future iterations will provide a valuable resource to biologists, natural product chemists and clinicians in identifying active compounds, potential biomarkers and clinical diagnostics.…”
Publicado 2018
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1729“…However, the high cost of noble metals and poor recycling performance provides an opportunity for chemists to look for alternate options. Herein, we present the use of Lanthanum hydroxide as support for loading ultra-low amount of Pd for hydrogenation and cross-coupling reactions. …”
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1730por Hayes, Dugan, Kohler, Lars, Hadt, Ryan G., Zhang, Xiaoyi, Liu, Cunming, Mulfort, Karen L., Chen, Lin X.“…This work provides an important step toward developing both a fundamental conceptual picture and a practical experimental handle with which synthetic chemists, spectroscopists, and theoreticians may collaborate to engineer cheap and efficient photocatalytic materials capable of performing coulombically demanding chemical transformations.…”
Publicado 2017
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1731“…Up to now, however, these methods still cannot replace experienced human organic chemists due to their relatively low accuracies. Future new algorithms with the aid of powerful computational hardware will make this topic promising and with good prospects.…”
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1732“…ProTox-II provides a freely available webserver for in silico toxicity prediction for toxicologists, regulatory agencies, computational and medicinal chemists, and all users without login at http://tox.charite.de/protox_II. …”
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1733por Rowe, Walter“…Gross’s manual for examining magistrates suggests ways in which the expertise of chemists, biologists, geologists, and other natural scientists could contribute to investigations. …”
Publicado 2001
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1734“…The test flours were analyzed using the Association of the Official Analytical Chemists (AOAC) methods to determine their nutrient composition before preparation of the porridges. …”
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1735por Zhao, Lianhui, Huang, Yunfei, Dong, Yiyang, Han, Xutiange, Wang, Sai, Liang, Xingguo“…We hope this review not only provides a comprehensive summary of aptamer selection and aptasensor development for marine biotoxins, but also arouses a broad readership amongst academic researchers and industrial chemists.…”
Publicado 2018
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1736“…Modified Association of Official Analytical Chemists (AOAC) proximate and mineral analyses were carried out on the insect’s third instar larvae, pupal, and adult stages to determine the nutritional composition. …”
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1737“…Moreover, exogenous AR agonists, antagonists, or allosteric modulators can be applied for therapeutic benefit, and medicinal chemists working toward that goal have reported thousands of such agents. …”
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1738“…The DFT is the most accurate way in which chemists may address the behavior of the molecular world through large models mimicking chemical complexity. …”
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1739por Jakkampudi, Satish, Abe, Manabu, Komori, Naomitsu, Takagi, Ryukichi, Furukawa, Ko, Katan, Claudine, Sawada, Wakako, Takahashi, Noriko, Kasai, Haruo“…Development of new calcium chelators with two-photon absorption (TPA) properties is a state-of-the-art challenge for chemists. In this study, we report the first and efficient synthesis of 5-bromo-2-nitrobenzyl-substituted ethylene glycol tetraacetic acid (EGTA) as a platform for a new generation of calcium chelators with TPA properties in the near-infrared region. …”
Publicado 2016
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1740por Xiang, De-Biao, Zhang, Kai-Qiang, Zeng, Ya-Ling, Yan, Qing-Zi, Shi, Zhe, Tuo, Qin-Hui, Lin, Li-Mei, Xia, Bo-Hou, Wu, Ping, Liao, Duan-Fang“…However, due to its extensive bioactivities, some scientists hold a skeptical point of view toward curcumin and described curcumin as a “deceiver” to chemists. The objective of this study was to explore curcumin's another possibility as a potential supplementary leading compound to cancer treatments. …”
Publicado 2020
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