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177 results on '"Fan, Xiao-dong"'

7. Roxadustat alleviates nitroglycerin-induced migraine in mice by regulating HIF-1α/NF-κB/inflammation pathway

Author

Yang, Dai-gang, primary, Gao, Yong-yao, additional, Yin, Ze-qun, additional, Wang, Xue-rui, additional, Meng, Xian-she, additional, Zou, Ting-feng, additional, Duan, Ya-jun, additional, Chen, Yuan-li, additional, Liao, Chen-zhong, additional, Xie, Zhou-ling, additional, Fan, Xiao-dong, additional, Sun, Lu, additional, Han, Ji-hong, additional, and Yang, Xiao-xiao, additional

Published
2022
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18. The design and application of DNA chips for early detection of SARS-CoV from clinical samples

Author

Zhou, Yi-ming, Yang, Ren-quan, Tao, Sheng-ce, Li, Ze, Zhang, Qiong, Gao, Hua-fang, Zhang, Zhi-wei, Du, Jian-yu, Zhu, Pei-xuan, Ren, Li-li, Zhang, Liang, Wang, Dong, Guo, Lan, Wang, Yan-bin, Guo, Yong, Zhang, Yan, Zhao, Chuan-zan, Wang, Can, Jiang, Di, Liu, Yan-hua, Yang, Hua-wei, Rong, Li, Zhao, Yan-jun, An, Shuang, Li, Zhe, Fan, Xiao-dong, Wang, Jian-wei, Cheng, Yun, Liu, Ou, Zheng, Zhong, Zuo, Huan-cong, Shan, Quan-zhong, Ruan, Li, Lü, Zhan-xiu, Hung, Tao, and Cheng, Jing

Published
2005
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22. Giant-Capacitance-Induced Wide Quantum Hall Plateaus in Graphene on LaAlO3/SrTiO3 Heterostructures.

Author

Tao, Ran, Li, Lin, Zhu, Li-Jun, Yan, Yue-Dong, Guo, Lin-Hai, Fan, Xiao-Dong, and Zeng, Chang-Gan

Subjects
PLATEAUS, HETEROSTRUCTURES, GRAPHENE, FIELD-effect devices, CHARGE transfer
Abstract

Hybrid structures of two distinct materials provide an excellent opportunity to optimize functionalities. We report the realization of wide quantum Hall plateaus in graphene field-effect devices on the LaAlO3/SrTiO3 heterostructures. Well-defined quantized Hall resistance plateaus at filling factors v = ± 2 can be obtained over wide ranges of the magnetic field and gate voltage, e.g., extending from 2 T to a maximum available magnetic field of 9 T. By using a simple band diagram model, it is revealed that these wide plateaus arise from the ultra-large capacitance of the ultra-thin LAO layer acting as the dielectric layer. This is distinctly different from the case of epitaxial graphene on SiC substrates, where the realization of giant Hall plateaus relies on the charge transfer between the graphene layer and interface states in SiC. Our results offer an alternative route towards optimizing the quantum Hall performance of graphene, which may find its applications in the further development of quantum resistance metrology. [ABSTRACT FROM AUTHOR]

Published
2020
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25. Synthesis and characterization of inexpensive 3-Nɛ-benzyloxycarbonyl-L-lysyl-morpholine-2,5-dione

Author

Yao Jun-yan, Wang Ning, Fan Xiao-dong, Yang Qingfang, and Guo Baohui

Subjects
Lactide, General Chemistry, Condensation reaction, Chloride, chemistry.chemical_compound, chemistry, Asymmetric carbon, Amide, Yield (chemistry), Morpholine, medicine, Organic chemistry, Caprolactone, medicine.drug
Abstract

In this paper, we call 3-Nɛ-benzyloxycarbonyl-L-lysyl-morpholine-2,5-dione “Compound A”. The starting material used abroad is expensive and the yield is low (16%–28%); furthermore, to our best knowledge, no characterization of Compound A is available in the open literature. We now use low-cost L-lysine as starting material, succeed in raising the yield of Compound A to about 66%, and characterize it. In the synthesis of Compound A, the reactive processes used by us included the protection of amino group of lysine, acetylation, and intramolecular cyclizative condensation reaction. Benzoxycarbonyl chloride was selected as amino group protection agent, and the yield was elevated by replacing sodium bicarbonate with triethyl amide as the acid’s neutralizer. The resulting material or Compound A was cyclizative; its structure and properties were characterized by infrared (IR), Differential Scanning Calorimetry (DSC), Nuclear Magnetic Resonance (NMR) and elemental analysis. The results of characterization show that: (1) Compound A has a chiral carbon next to the carbonyl group, so the formation of the ring structure is not sterospecific; (2) the melting point is about 254.5°C. The homopolymer and copolymers of Compound A with lactide or caprolactone have reaction-active groups and excellent biocompatibility and biodegradability; so they can be used in tissue engineering and as controlled-drug-release carriers.

Published
2007

34. Product development process intelligent analysis and improvement

Author

Yao Yong, Xiong Guang-leng, Fan Xiao-dong, and Fan Wen-hui

Subjects
Product design specification, Engineering, Product lifecycle, Product design, business.industry, New product development, Systems design, Product data management, Work in process, Design structure matrix, business, Manufacturing engineering
Abstract

Product development process analysis and improvement are very important to enterprises, but most Product Data Management (PDM) systems are not good at them. This paper presents a method that integrates Design Structure Matrix (DSM), Genetic Algorithm (GA) and Expert System (ES) techniques to intelligently analyze and improve the product development process managed by PDM systems. Based on DSM representation, GA orders the sequence of activities in process with ES's guiding to get a reasonable and optimal sequence. Based on theoretical research results, the Computer-Aided Process Improvement (CAPI) system was developed and was integrated to PDM.

Published
2004

36. Study on improvement of workflow management system of PDM

Author

Xiong Guang-leng, Fan Wen-hui, and Fan Xiao-dong

Subjects
Database, Computer science, business.industry, Windows Workflow Foundation, Document management system, computer.software_genre, Workflow engine, Application lifecycle management, Workflow technology, Business process management, Workflow, Software engineering, business, computer, Workflow management system
Abstract

A method to improve functions of a workflow management system of PDM, including monitoring, counting, analyzing and reporting, is put forward. The depth-first search method is used to recognize closed loops and the method of draw-feedback-intervention is proposed to figure them. The method is also available and effective for improving other workflow management systems of PDM.

Published
2003

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