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题目1： Enzymatic and chemical synthesis and characterization of poly-6-O-(10-undecylenoyl) D-glucose 题目2：Continuous preparation of low-molecular-weight chitosan by the combination of ozone treatment and membrane separation |
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4楼2017-06-01 00:06:49
【答案】应助回帖
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chaowei77: 金币+5, ★★★★★最佳答案 2012-11-11 11:37:22
chaowei77: 金币+5, ★★★★★最佳答案 2012-11-11 11:37:22
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1. Accession number: 20124215572641 Title: Enzymatic and chemical synthesis and characterization of poly-6-O-(10-undecylenoyl) D-glucose Authors: Wei, Chao1 ; Wang, Yinzhen2 ; Yan, Wei2; Yao, Pingjia3 ; Wei, Yuanan3 Author affiliation: 1 College of Chemistry and Chemical Engineering, Jiangxi Science and Technology Normal University, Nanchang, Jiangxi 330013, China 2 College of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi, 530004, China 3 College of Life Science and Technology, Guangxi University, Nanning, Guangxi 530005, China Corresponding author: Wei, C. (weichao771231@163.com) Source title: Advanced Materials Research Abbreviated source title: Adv. Mater. Res. Volume: 550-553 Monograph title: Advances in Chemical Engineering II Issue date: 2012 Publication year: 2012 Pages: 787-791 Language: English ISSN: 10226680 ISBN-13: 9783037854556 Document type: Conference article (CA) Conference name: 2nd International Conference on Chemical Engineering and Advanced Materials, CEAM 2012 Conference date: July 13, 2012 - July 15, 2012 Conference location: Guangzhou, China Conference code: 92757 Publisher: Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, Germany Abstract: Immobilized lipase Novozym-435 catalyzed regioselective synthesis of glucose and undecylenic acid(UA) to produce glucose mono-ester in Organic solvents was investigated. Reactionconditions were tested in order to produce the mono-ester more rapidly and in higher yield, the optimal conditions were obtained as: temperature at 50°C, mole ratio of glucose to UA of 1:2, concentration of molecular sieves and enzyme used as 0.56mg/mL and 10mg/mL respectively. After the reaction, product was purified, and characterized by MS and 13C NMR spectroscopy, and determined as 6-O-(10-undercylenoyl)-D-glucose, The product was used as the starting material, K2S2O8 as a chemical initiator, to polymerize and form the sugar-containing polymer, which could be used for medicine release agent and other application of biological materials. © (2012) Trans Tech Publications, Switzerland. Number of references: 11 Main heading: Glucose Controlled terms: Biological materials - Chemical engineering - Esterification - Esters - Initiators (chemical) - Lipases - Molecular sieves - Nuclear magnetic resonance spectroscopy - Organic solvents - Polymers Uncontrolled terms: Chemical synthesis - D-glucose - Higher yield - Immobilized lipase - Mole ratio - Optimal conditions - Regioselective synthesis - Release agent - Sugar esters - Undecylenic acid Classification code: 815.1 Polymeric Materials - 805.1 Chemical Engineering - 804.1 Organic Compounds - 932.2 Nuclear Physics - 803 Chemical Agents and Basic Industrial Chemicals - 461.9 Biology - 461.2 Biological Materials and Tissue Engineering - 802.2 Chemical Reactions DOI: 10.4028/www.scientific.net/AMR.550-553.787 Database: Compendex Compilation and indexing terms, © 2012 Elsevier Inc. |
2楼2012-11-11 09:24:33
【答案】应助回帖
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chaowei77: 金币+5, ★★★★★最佳答案 2012-11-11 11:37:39
chaowei77: 金币+5, ★★★★★最佳答案 2012-11-11 11:37:39
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Check record to add to Selected Records 1. Accession number: 20124115555402 Title: Continuous preparation of low-molecular-weight chitosan by the combination of ozone treatment and membrane separation Authors: Wei, Chao1 ; Liang, Jintian2 ; Yue, Wu3 ; Yao, Pingjia2 Author affiliation: 1 College of Chemistry and Chemical Engineering, Jiangxi Science and Technology Normal University, Nanchang,Jiangxi 330013, China 2 College of Life Science and Technology, Guangxi University, Nanning, Guangxi 530005, China 3 Department of Chemistry and Chemical Engineering, Binzhou University, Binzhou,Shandong, 256600, China Corresponding author: Wei, C. (weichao771231@163.com) Source title: Applied Mechanics and Materials Abbreviated source title: Appl. Mech. Mater. Volume: 189 Monograph title: Frontier in Information Engineering for Mechanics and Materials Issue date: 2012 Publication year: 2012 Pages: 16-20 Language: English ISSN: 16609336 ISBN-13: 9783037854594 Document type: Conference article (CA) Conference name: 2012 International Conference on Information Engineering for Mechanics and Materials, ICIMM 2012 Conference date: May 19, 2012 - May 22, 2012 Conference location: Hangzhou, China Conference code: 92760 Sponsor: Institute of Electronic and Information Technology; Zhejiang Economic and Trade Polytechnic Publisher: Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, Germany Abstract: The continuous production of water-soluble low-molecular-weight chitosan (WSLMWC) was successfully achieved with an innovative continuous production system which consisted of ozone generating subsystem, degradation subsystem, and fractionation subsystem. The continuous production of the WSLMWC was performed through three uninterrupted steps: The first, the continuous preparation of the ozone from compressed oxygen, the second, the continuous degradation of chitosan by ozone treatment, and the last, the continuous fractionation of the WSLMWC from the degraded chitosan solution (DCS) by ultrafiltration (UF) membrane. The DCS as the most suitable feed supplied to UF membrane was ascertained. Three different WSLMWC products as useful materials in biomedicine and food were obtained, namely LMWC-3KDa, LMWC-5KDa, and LMWC-10KDa. © (2012) Trans Tech Publications, Switzerland. Number of references: 8 Main heading: Chitosan Controlled terms: Innovation - Ozone - Ultrafiltration Uncontrolled terms: Chitosan solution - Compressed oxygen - Continuous production - Continuous production systems - Low molecular weight - Membrane separation - Ozone treatment - UF membranes - Ultrafiltration membranes Classification code: 802.3 Chemical Operations - 804 Chemical Products Generally - 804.1 Organic Compounds - 912 Industrial Engineering and Management DOI: 10.4028/www.scientific.net/AMM.189.16 Database: Compendex Compilation and indexing terms, © 2012 Elsevier Inc. |
3楼2012-11-11 09:25:18
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