云南高校图书馆联盟文献共享服务平台- CARBOXYMETHYLATION

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Carboxymethylation of the polysaccharide from the fermentation broth of Marasmius androsaceus and its antidepressant mechanisms: 《Food Science and Human Wellness》2023年第6期2417-2427,共11页Yu Qiu Yan Su Jia Song Fangming Mou Jia Gou Xiaoqi Geng Xinyue Li Zhiqiang Nie Jianxin Wang Yu Zheng Min Wang; funded by the Natural Science Foundation of China(32072203);the Tianjin Municipal Education Commission(TD13-5013);the Open Project of State Key Laboratory of Food Nutrition and Safety,Tianjin University of Science&Technology(SKLFNS-KF-202102);Natural Science Foundation of Shanxi(201901D211130);Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi(2017105);Tianjin synthetic biotechnology innovation capacity improvement project(TSBICIP-KJGG-016);Tianjin Science and Technology Plan Project(21ZYJDJC00030).; To investigate the structure-activity relationship of polysaccharide and obtain a better antidepressant polysaccharide,the antidepressant-like activity of a carboxymethyl polysaccharide(C-MEPS2)subjected to submerged ...; 关键词：Carboxymethyl polysaccharide ANTI-DEPRESSANT CATECHOLAMINE

Nanofibrillation of a Bleached Acacia Pulp by Grinding with Carboxymethylation Pretreatment被引量：7: 《Paper And Biomaterials》2018年第3期32-38,共7页Ming He GuiHua Yang JiaChuan Chen FanGong Kong Qiang Wang; financial support from the National Key Research and Development Program of China (Grant No.2017YFB0307900);the National Natural Science Foundation of China (Grant No.31470602,31670595,31770628);the Taishan Scholars Program; In this study,carboxymethylation,which introduces carboxyl groups to hydroxyl sites in pulp fibers,was used as a pretreatment before mechanical nanofibrillation.The carboxyl group content of the pulp fibers was greatl...; 关键词：nanofibrillation GRINDER CARBOXYMETHYLATION PRETREATMENT bleached ACACIA PULP

Sodium carboxymethylation-functionalized chitosan fibers for cutaneous wound healing application: 《Frontiers of Materials Science》2016年第4期358-366,共9页Dong YAN Zhong-Zheng ZHOU Chang-Qing JIANG Xiao-Jie CHENG Ming KONG Ya LIU Chao FENG Xi-Guang CHEN; A water absorption biomaterial, sodium carboxymethylation-functiona- lized chitosan fibers （Na-NOCC fibers） were prepared, applied for cutaneous wound repair, and characterized by FTIR and NMR. The water absorption ...; 关键词：sodium carboxymethylation-functionalized chitosan fiber water absorp-tion wound healing wound dressing

New Route for Novel Polycarboxylic Starch Hybrid: 《Materials Sciences and Applications》2013年第11期695-703,共9页Ali Hebeish Abdul Rhman Mousa Mohamed A. Ramadan Amany Saleh; Starch was polymerized with methacrylic acid (MAA) to different magnitudes of poly (MAA) using potassium persulphate/sodium thiosulphate redox initiation system. The polymerization products are referred to as “compos...; 关键词：STARCH COPOLYMER MATERIAL CARBOXYMETHYLATION Methacrylic ACID Composite MATERIAL

Microwave Assisted Synthesis and Evaluation of Cross-Linked Carboxymethylated Sago Starch as Superdisintegrant: 《Pharmacology & Pharmacy》2011年第1期42-46,共5页Akhilesh V. Singh Lila K. Nath Manisha Guha Rakesh Kumar; The aim of this study was to modify the sago starch and evaluate its efficacy as tablet disintegrant. Cross-linked car-boxymethylated sago starch (CMSS) was synthesized using native sago starch (SS) and monochloroacet...; 关键词：SAGO STARCH CARBOXYMETHYLATION DISINTEGRANT SEM FT-IR

PREPARATION AND STRUCTURE OF FIVE DERIVATIVES OF β-(1→3)-D-GLUCAN ISOLATED FROM PORIA COCOS SCLEROTIUM被引量：7: 《Chinese Journal of Polymer Science》2004年第2期137-145,共9页张俐娜; This work was supported by the National Natural Science Foundation of China (No. 20074025), the Area of Excellence(AoE) on Plant and Fungal Biotechnology Project of the Hong Kong SAR Government and Key Laboratory of Cellulose andLignocellulosic Chemistry of Chinese Academy of Sciences.; A new solvent of cellulose (1.5 mol/L NaOH/0.5 mol/L urea aqueous solution) was used as one of the homogeneous reaction media of polysaccharides for methylation, hydroxyethylation and hydroxypropylation. A water insol...; 关键词：Chemical structure SULFATION CARBOXYMETHYLATION METHYLATION Hydroxyethylation HYDROXYPROPYLATION β-D- glucan Poria cocos sclerotium NMR

Structural Characterization and Chemical Modification of a Glucan from Spores of Ganoderma lucidum被引量：2: 《Chinese Chemical Letters》2001年第11期967-970,共4页Bao, XF Fang, JN; A linear alpha -D-(1-->3)-glucan, named PSG, was obtained from the spores of Ganoderma lucidum. The synthesis of positively and negatively charged polyelectrolytes from PSG was developed. Amine groups and carboxymethy...; 关键词：alpha-D-(1 -> 3)-glucan chemical modification aminopropylation CARBOXYMETHYLATION

Carboxymethylation of Cellulose by Microwave irradiation被引量：3: 《Chemical Research in Chinese Universities》2001年第z1期127-,共1页YE Jun; Cellulose may be readily converted into ethers involving primary and secondary alcohol groups in each monomer unit and the glycosidic bonds. However, these reactions are rather more complicated than with simple substa...

Intramolecular Carboxymethylation of a 1,3-Diene Derived from Gibberellin A_3; Synthesis of Ring A Extendedγ-andδ-Lactonic Gibberellin Analogues: 《厦门大学学报（自然科学版）》1999年第S1期115-115,共1页ChastineL.WILLIS; 关键词：and Lactonic Gibberellin Analogues Synthesis of Ring A Extended Intramolecular Carboxymethylation of a 1 3-Diene Derived from Gibberellin A3

Search for New Antiphytovirucides Ⅷ.Phosphorylation,Sulphonation and Carboxymethylation of Benzimidazole Derivatives and Antiviral Activity of Products: 《Wuhan University Journal of Natural Sciences》1998年第2期201-204,共4页Qu Fanqi, Dong Xinrong, Luo Xinxiang, Liu Xin, Huang Xiaoling(College of Chemistry, Wuhan University, Wuhan 430072, China); The Iead compound of substituted 2-(4-hydroxyphenyl)benzimidazol were modified by phos-phorylation sulfonation and carboxymethylation. The henzimldazoloamidophosphate (6) (7) have better activi-ty against tobacco mosa...; 关键词：2-(4'-hydroxyphenyl) benzimidazole PHOSPHORYLATION SULFONATION CARBOXYMETHYLATION an-tiphytovirucide

CARBOXYMETHYLATION