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1341“…Our trained neural network reveals patterns typically used by human chemists to identify standard groups. Finally, we experimentally validated our neural network, trained on single compounds, to predict functional groups in compound mixtures. …”
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1342por Castillo, Rebeca G., Hahn, Anselm W., Van Kuiken, Benjamin E., Henthorn, Justin T., McGale, Jeremy, DeBeer, Serena“…As such, the approach presented herein provides chemists with means to more rigorously and quantitatively address challenging electronic‐structure questions.…”
Publicado 2021
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1343“…Mechanically interlocked molecules (MIMs), such as rotaxanes and catenanes, have captured the attention of chemists both from a synthetic perspective and because of their role as simple prototypes of molecular machines. …”
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1344“…In particular, pharmaceutical chemists have faced significant issues with regard to selecting and designing potential drugs for a target of interest to enter preclinical testing. …”
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1345por Banikazemi, Zarrin, Mirazimi, Seyed Mohammad, Dashti, Fatemeh, Mazandaranian, Mohammad Reza, Akbari, Maryam, Morshedi, Korosh, Aslanbeigi, Fatemeh, Rashidian, Amir, Chamanara, Mohsen, Hamblin, Michael R., Taghizadeh, Mohsen, Mirzaei, Hamed“…Consequently, drug design and discovery scientists and medicinal chemists have collaborated to identify new coumarin-related agents in order to produce more effective antitumor drugs against GI cancers. …”
Publicado 2021
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1346por Cannon, Ashley E., Marston, Elliott J., Kiszonas, Alecia M., Hauvermale, Amber L., See, Deven R.“…In addition, cereal chemists and quality scientists are working to determine if and how LMA-affected grain impacts end-use quality. …”
Publicado 2021
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1347por Li, Zijie, Shi, Qinqin, Ma, Xiaoying, Li, Yawen, Wen, Kaikai, Qin, Linqing, Chen, Hao, Huang, Wei, Zhang, Fengjiao, Lin, Yuze, Marks, Tobin J., Huang, Hui“…Therefore, the much-desired precision synthesis of conjugated copolymers with highly regular repeat units is important, but presents a significant challenge to synthetic materials chemists. To this end, aryl sulfides are naturally abundant substances and offer unrealized potential in cross-coupling reactions. …”
Publicado 2022
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1348“…In this review, we summarize the state-of-the-art catalytic asymmetric reactions of β,γ-unsaturated α-ketoesters, to provide an updated overview to chemists working in this and related fields, facilitating their discoveries in asymmetric catalysis, natural products synthesis, and drug development.…”
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1349“…More importantly, the selection of fluoroquinolones as positive controls by medicinal chemists when investigating novel FQs analogs must be correlated to the laboratory pathogen inquest for reliable results.…”
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1350por Harizani, Maria, Diakaki, Dafni-Ioanna, Perdikaris, Stamatios, Roussis, Vassilios, Ioannou, Efstathia“…The chemical diversity of the approximately 1,200 natural products isolated from red algae of the genus Laurencia, in combination with the wide range of their biological activities, have placed species of Laurencia in the spotlight of marine chemists’ attention for over 60 years. The chemical investigation of the organic (CH(2)Cl(2)/MeOH) extracts of Laurencia microcladia and Laurencia obtusa, both collected off the coasts of Tinos island in the Aegean Sea, resulted in the isolation of 32 secondary metabolites, including 23 C(15) acetogenins (1–23), 7 sesquiterpenes (24–30) and 2 diterpenes (31 and 32). …”
Publicado 2022
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1351“…Oxysterols have interested chemists, biologists, and physicians for many decades, but their exact biological relevance in vivo, other than as intermediates in bile acid biosynthesis, has long been debated. …”
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1352“…We generated a balanced dataset of 200 creators (i.e., composers, painters, mathematicians and physicists, and biologists and chemists born between 1770 and 1879), and calculated standardized evaluations of the long-run social benefits in different domains (performances, exhibitions, citations). …”
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1353“…In order to make these methods friendly to non-NMR experts (especially organic chemists and natural product scientists), python scripts have been developed and they help researchers in using these methods.…”
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1354“…Thus, these results are helpful for chemists to design 4-substituted Hantzsch esters (XRH) with novel structures and to guide the application of XRH as a free radical precursor in organic synthesis.…”
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1355por Dobrijevic, Dragana, Benhamou, Laure, Aliev, Abil E., Méndez-Sánchez, Daniel, Dawson, Natalie, Baud, Damien, Tappertzhofen, Nadine, Moody, Thomas S., Orengo, Christine A., Hailes, Helen C., Ward, John M.“…They have become an important method in the synthetic chemists' toolbox offering a sustainable alternative to metal-catalysed asymmetric reduction. …”
Publicado 2019
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1356“…Honey’s viscous nature and matrix complexity often result in analytical chemists resorting to derivatization for the detection of polar analytes such as substituted phenols. …”
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1357por Şengül, Ümit“…In this study, the LOD and LOQ values have been determined using the Association of Official Agricultural Chemists (AOAC) Method 991.31, which is one of the most viable high-performance liquid chromatography analysis methods in the analysis of aflatoxin in hazelnuts. …”
Publicado 2015
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1358por Zhang, Lei, Yang, Chen, Lu, Chenxi, Li, Xingxing, Guo, Yilin, Zhang, Jianning, Lin, Jinglong, Li, Zhizhou, Jia, Chuancheng, Yang, Jinlong, Houk, K. N., Mo, Fanyang, Guo, Xuefeng“…Precise tuning of chemical reactions with predictable and controllable manners, an ultimate goal chemists desire to achieve, is valuable in the scientific community. …”
Publicado 2022
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1359por Liu, Xiao-Hui, Yu, Hai-Yang, Huang, Jia-Ying, Su, Ji-Hu, Xue, Can, Zhou, Xian-Tai, He, Yao-Rong, He, Qian, Xu, De-Jing, Xiong, Chao, Ji, Hong-Bing“…Developing highly efficient catalytic protocols for C–sp(3)–H bond aerobic oxidation under mild conditions is a long-desired goal of chemists. Inspired by nature, a biomimetic approach for the aerobic oxidation of C–sp(3)–H by galactose oxidase model compound Cu(II)L and NHPI (N-hydroxyphthalimide) was developed. …”
Publicado 2022
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1360por Wang, Xinqiao, Yao, Chuansheng, Zhang, Yun, Yu, Jiahui, Qiao, Haoran, Zhang, Chengyun, Wu, Yejian, Bai, Renren, Duan, Hongliang“…Then, 2253 novel Heck reactions were confirmed by organizing chemists to judge the generated reactions. More importantly, further organic synthesis experiments were performed to verify the accuracy and feasibility of representative reactions. …”
Publicado 2022
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