XU Kang-sen

Donghua University

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Zhao Zong-ge

National Institutes for Food and Drug Control

Jing Liu

Central South University

Zeng Wen-shan

Guangdong Institute for Drug Control

Yuan Qin-sheng

East China University of Science and Technology

Liao Xiao-quan

Yazhong Xiao

Anhui University

Lina Zhou

Heilongjiang Institute of Technology

Jingjing Liu

Nanjing University of Chinese Medicine

Zha Xiang-dong

Zhang Huayuan

Xuzhou Construction Machinery Group (China)

Cooperative Institutions

National Institutes for Food and Drug Control

Central South University

Beijing Institute of Technology

Jilin University

Anhui Medical University

University of Kang Ning

Chongqing Normal University

Aerospace Center Hospital

University of Copenhagen

Harbin Institute of Technology

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Molecular weight determination of atranticance protein by sodium dodecyl sulfate-polyacrylamide gel electrophoresis

Zhongguo sheng-hua yaowu zazhi (2004)

XU Kang-sen

PurposeTo establish a modified electrophoresis method for the analysis of peptides with low molecular weights in Atranticance.MethodsInvestigating the effects of different factors. The linear regression analysis was made using molecular markers and the molecular weights of the components in Atranticance were determined.ResultsA method was established. The relative molecular weights of the components in the sample are 23 500,15 400,13 400,11 300,9 300,8 000 respectively.ConclusionSeparating gel with 6 mol/L urea at higher acrylamide concentration (16.5% T,6% C) is useful for identification of middle and low molecular peptides and is a well-established method for the analysis of middle and low molecular peptides.

Molecular mass

Sodium dodecyl sulfate

Molecular-weight size marker

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Synthesis and Activity Determination of Thymus Humoral Factor(THF-γ2)

Zhōnghuá yàoxué zázhì (2006)

Liao Xiao-quan Zhao Zong-ge Lina Zhou XU Kang-sen Yuan Qin-sheng

OBJECTIVE To study the synthesis,purification,analysis and activity determination of Thymus Humoral Factor(THF-γ2).METHODS Thymus Humoral Factor(THF-γ2) was synthesized by FmocSPPS,purified by MPLC,and identified by HPLC,MS and amino acid sequence determination.The biological activity of THF-γ2 was measured according to its characteristics of promoting IL-2 production in mouse spleen cells. RESULTS The purity of the product was 95.92%,the molecular mass was 918,and the amino acid sequence was NH_2/Leu-Glu-Asp-Gly-Pro-Lys-Phe-Leu.In the concentration of 300 μg·L~(-1),the activity was largest and 1.9 times as much as the control.CONCLUSION The methods of the synthesis,purification,analysis and activity determination of Thymus Humoral Factor(THF-γ2) are established for further research and applications in China.

Humoral immunity

Molecular mass

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Amplifying, cloning and expression of the cDNA encoding an unknown C-type lectin superfamily protein from Agkistrodon acutus

PROGRESS IN BIOCHEMISTRY AND BIOPHYSICS (2001)

Zha Xiang-dong Zhang Huayuan Yazhong Xiao Jing Liu XU Kang-sen

Cloning (programming)

C-type lectin

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Study on the Methods for Determination of Molecular Weight of the Recombinant Human Parathyroid Hormone1-34

Pharmaceutical biotechnology (2006)

Zeng Wen-shan Jingjing Liu XU Kang-sen

Tricine

Trifluoroacetic acid

Sodium dodecyl sulfate

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Study on specific chromatogram of deproteinized calf blood injection and deproteinized calf serum injection

Yaowu fenxi zazhi (2009)

XU Kang-sen

Objective:To investigate the qualities of deproteinized calf blood injection and deproteinized calf serum injection,and to compare them with actovegin so as to provide the basic information for the national specification.Method:Sample products were analyzed by RP-HPLC,CZE,and LC/MS.Results:Different products contain different kinds of ingredients in sample test.To compare with actovegin,local products have less kind of ingredients.Different products vary with each other in content.Conclusion:These methods are suitable for the quality control of the drug.

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