Tag: Phosphorus

Legacy phosphorus used in agriculture in China

Quantitative evaluation of legacy phosphorus and its spatial distribution

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Author: Lou, Hezhen; Zhao, Changsen; Yang, Shengtian; Shi, Liuhua; Wang, Yue; Ren, Xiaoyu; Bai, Juan Description: A phosphorus resource crisis threatens the security of global crop production, especially in developing countries like China and Brazil. Legacy phosphorus (legacy-P), which is left behind in agricultural soil by over-fertilization, can help address this issue as a new resource in the soil phosphorus pool. However, issues involved with calculating and defining the spatial distribution of legacy-P hinder its future utilization. To resolve these issues, this study applied remote sensing and ecohydrological modeling to…

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Development and Clinical Application of Phosphorus-Containing Drugs

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Author: Yu, Hanxiao; Yang, He; Shi, Enxue; Tang, Wenjun Description: Phosphorus-containing drugs belong to an important class of therapeutic agents and are widely applied in daily clinical practices. Structurally, the phosphorus-containing drugs can be classified into phosphotriesters, phosphonates, phosphinates, phosphine oxides, phosphoric amides, bisphosphonates, phosphoric anhydrides, and others; functionally, they are often designed as prodrugs with improved selectivity and bioavailability, reduced side effects and toxicity, or biomolecule analogues with endogenous materials and antagonistic endoenzyme supplements. This review summarized the phosphorus-containing drugs currently on the market as well as a few…

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Synthesis of Phosphorus and Sulfur Heterocycles via Ring-Closing Olefin Metathesis

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Author: McReynolds, Matthew D.; Dougherty, Joseph M.; Hanson, Paul R. Description: Organophosphorus compounds continue to receive widespread attention due to their ubiquity in biological systems and their potential to serve as novel pharmaceutical, agricultural, and chemical agents. Among these, a number of phosphorus heterocycles (P-heterocycles) displaying potent biological activity have emerged. Subject headings: Catalysts; Group 15 compounds; Metathesis; Organophosphorous compounds; Sulfones Publication year: 2004 Journal or book title: Chemical Reviews Volume: 104 Issue: 5 Pages: 2239-2258 Find the full text: https://pubs.acs.org/doi/full/10.1021/cr020109k Find more like this one (cited by): https://scholar.google.com/scholar?cites=2086459361865661873&as_sdt=1000005&sciodt=0,16&hl=en Serial…

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