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safety issues and new rapid detection methods in traditional Chinese medicinal materials

Acta Pharmaceutica Sinica B 2015年第1期5卷 38-46页

作者： Lili Wang Weijun Kong Meihua Yang Jianping Han Shilin Chen Institute of Medicinal Plant Development Chinese Academy of Medical Sciences & Peking Union Medical College Institute of Chinese Materia Medica China Academy of Chinese Medical Sciences

The safety of traditional Chinese medicine(TCM) is a major strategic issue that involves human health. With the continuous improvement in disease prevention and treatment, the export of TCM and its related products has increased dramatically in China. However, the frequent safety issues of Chinese medicine have become the ‘bottleneck' impeding the modernization of TCM. It was proved that mycotoxins seriously affect TCM safety; the pesticide residues of TCM are a key problem in TCM international trade; adulterants have also been detected, which is related to market circulation. These three factors have greatly affected TCM safety. In this study, fast, highly effective, economically-feasible and accurate detection methods concerning TCM safety issues were reviewed, especially on the authenticity, mycotoxins and pesticide residues of medicinal materials.

关键词： Traditional Chinese medicine safety issue Rapid detection Mycotoxins Pesticide residues Authentication 2D DNA barcodes Traceability

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Lithium-Sulfur Batteries at Extreme Temperatures:Challenges,Strategies and Prospects

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Energy & Environmental Materials 2023年第4期6卷 297-311页

作者： Wenjia Qu Jingyi Xia Chong Luo Chen Zhang Renjie Chen Wei Lv Quanhong Yang Nanoyang Group State Key Laboratory of Chemical EngineeringSchool of Chemical Engineering and TechnologyTianjin UniversityTianjin 300072China Beijing Key Laboratory of Environmental Science and Engineering School of Material Science and EngineeringBeijing Institute of TechnologyBeijing 10081China School of Marine Science and Technology Tianjin UniversityTianjin 300072China Shenzhen Geim Graphene Center Engineering Laboratory for Functionalized Carbon MaterialsTsinghua Shenzhen International Graduate SchoolTsinghua UniversityShenzhen 518055China

High-energy-density-batteries working at a wide-temperature range are urgently required in many performance-critical ***-sulfur batteries(LSB)are promising high-energy-density batteries that have the potential to maintain high performance at extreme ***,some problems like severe shuttling and safety issues at high temperatures or sluggish reaction kinetics and charge-transfer process at low temperatures decrease the performance and hinder their practical uses in extreme temperature ***,broadening the working temperature of LSB with stable electrochemical performance becomes a crucial *** this paper,the key stumbling blocks for high and low-temperature LSB are comprehensively *** solutions from the aspects of electrolyte and electrode materials are discussed to solve the aggravating shuttle effect and thermal safety issues under high temperature and the sluggish reaction kinetics under low ***,some specific promising solutions to extend the operating temperature range of LSB are also proposed and highlighted,which provide potential research directions on the practical LSB application in future.

关键词： high temperature lithium-sulfur batteries low temperature safety issue shuttle effect

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