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Chitosan-praseodymium complex for adsorption of fluoride ions from waterEny Kusrini1,Nofrijon Sofyan2,Nyoman Suwartha3,Gefin Yesya1,Cindy Rianti Priadi31. Department of Chemical Engineering, Faculty..., Universitas Indonesia摘 要:Engineering of chitosan by praseodymium has been investigated to improve the adsorption properties as well as physical......
; 文章编号:1672-7207(2008)03-0480-06 Preparation of norfloxacin-chitosan microsphere and its drug release property XUE Chang-gang, TONG Chun-yi, XIAO Su..., China) Abstract: Norfloxacin(NFX)-chitosan(CS) microsphere(NFX-CSM) was prepared by using water-soluble CS and NFX with emulsification and cross-linking process. Orthogonal design based on 4 factors......
Trans. Nonferrous Met. Soc. China 23(2013) 3095-3103 Adsorption of Cr(VI) by modified chitosan from heavy-metal polluted water of Xiangjiang River, China Yun-qin LIU1,2, Yun-guo LIU1, Xin-jiang HU1... 410205, China Received 29 September 2013; accepted 8 October 2013 Abstract: Methacrylic acid was used together with a molecular imprinting technique to modify chitosan. In addition, the adsorption......
and identify some microorganisms that are difficult to culture. ⊙ Key words: magnetic nanoparticles; magnetic nanocomposites; carboxylmethylated chitosan; Acidithiobacillus ferrooxidans  ......
双氯灭痛壳聚糖水凝胶微球的制备及其性能研究 邢金峰1,董岸杰1,邓联东1,宋晓艳2 (1.天津大学,化工学院高分子系,天津,300072;2.天津工业大学,材料科学与工程学院,改性与功能纤维天津市重点实验室,天津,300160) 摘要:在Span80与植物油形成的反相胶束体系中,通过戊二醛交联制备出壳聚糖水凝胶微球(CHM).采用红外光谱和透射电镜等方法对CHM结构及粒子形态进行了研究.同时对CHM的溶胀度及其对模型药物双氯灭痛的体外释放行为进行了考察.结果表明,CHM具有较好的控制药物释放的作用.交联程度对微球粒径,溶胀度及药物释放性能影响较大. 关键词:壳聚糖; 水凝胶微球; 双氯灭痛; 药物释放; chitosan; hydrogel microsphere; voltraren; drug release in vitro; [全文内容正在添加中] ......
; hydroxyapatite; chitosan; glioma; [全文内容正在添加中] ......
氨酸; 生物降解; 生物相容性; chitosan; poly (γ-benzyl L-glutamate)-co-poly (glutamic acid); biodegradation; biocompatibilit; [全文内容正在添加中] ......
glucomannan; collagen; chitosan; blend film; interaction; [全文内容正在添加中] ......
壳聚糖均相接枝L-谷氨酸甲酯的结构与性能 胡克鳌1,冯芳2,刘预1 (1.上海交通大学金属基复合材料国家重点实验室,上海,200030;2.苏州科技学院化学与生物工程学院,苏州,215011) 摘要:对壳聚糖均相接枝L-谷氨酸甲酯产物的结构和性能进行了研究.IR,CP/MAS13CNMR结果表明,谷氨酸甲酯侧链通过酰胺键与壳聚糖结合,形成了梳状接枝产物.XRD谱图中,在2θ=8.3°处出现衍射峰,这是因接入侧链使壳聚糖主链堆砌结构发生改变而引起的.DSC,TG/DTG测试发现,均相接枝物高温一侧吸放热峰的数量与位置有明显改变,并互有不同,反映出结构和接枝量的差异使壳聚糖接枝产物具有不同的热稳定性. 关键词:壳聚糖; L-谷氨酸甲酯; 均相接枝; 开环聚合; chitosan; methyl L-glutamate; homogeneous graft; ring opening......
数为1%时抗压强度为2.3MPa,孔隙率升至最高84.8%,此时多孔生物材料的抗压强度和孔隙率匹配较好,孔隙呈层错板条搭接,且分布均匀,HA-TCP颗粒均匀分散在CS模板上,材料的相结构变化不大,只是材料中各相对应的特征衍射峰的强度略有增强. 关键词:磷灰石; 壳聚糖; 多孔生物材料; 偶联剂; 真空冷冻干燥; apatite; chitosan; porous biomaterials......