磺化碳纳米管/活性炭复合微球的制备及其对低密度脂蛋白的吸附性能

引用本文: 卢月美, 巩前明, 卢方平, 梁吉, 聂庆东, 张秀梅. 磺化碳纳米管/活性炭复合微球的制备及其对低密度脂蛋白的吸附性能[J]. 物理化学学报, 2011, 27(03): 683-688. doi: 10.3866/PKU.WHXB20110307 shu

Citation: LU Yue-Mei, NG Qian-Ming, LU Fang-Ping, LIANG Ji, NIE Qing-Dong, ZHANG Xiu-Mei. Preparation of Sulfonated Carbon Nanotubes/Activated Carbon Composite Beads and Their Adsorption Capacity for Low Density Lipoprotein[J]. Acta Physico-Chimica Sinica, 2011, 27(03): 683-688. doi: 10.3866/PKU.WHXB20110307 shu

磺化碳纳米管/活性炭复合微球的制备及其对低密度脂蛋白的吸附性能

基金项目:
国家自然科学基金(50602026)资助项目 (50602026)

摘要:

采用悬浮聚合、炭化、活化制得碳纳米管/活性炭复合微球; 而后利用重氮盐偶合法将对氨基苯磺酸接枝到此复合微球上, 得到磺化碳纳米管/活性炭复合微球; 将其用于吸附血清中的低密度脂蛋白(LDL). 结果表明: 所制备的磺化碳纳米管/活性炭复合微球球形度好, 表面光洁, 中孔发达, 并且接枝有对氨基苯磺酸. 此复合微球对LDL的吸附量随着碳纳米管加入量的增加而逐渐增大; 当碳纳米管加入量为45% (w)时, LDL吸附量达6.564 mg·g^-1, 是未添加碳纳米管的3.3倍. 此复合微球在作为血液灌流LDL吸附剂方面有较好的应用前景.

关键词:

English

Preparation of Sulfonated Carbon Nanotubes/Activated Carbon Composite Beads and Their Adsorption Capacity for Low Density Lipoprotein

1.
1. Department of Mechanical Engineering ,Tsinghua University, Beijing 100084, P. R. China;
2. Key Laboratory for Advanced Materials Processing Technology, Ministry of Education, Tsinghua University, Beijing 100084, P. R. China;
3. Department of Materials Science and Engineering, Cornell University, Ithaca 14850, USA;
4. Department of Nephrology, The First Affiliated Hospital of Tsinghua University, Beijing 100016, P. R. China;
5. Tsinghua University Hospital, Beijing 100084, P. R. China
Received Date: 02 September 2010
Available Online: 03 March 2011
Fund Project:
国家自然科学基金(50602026)资助项目

Abstract:

Sulfonated carbon nanotubes (CNTs)/activated carbon composite beads were obtained by suspension polymerization, carbonization, activation, and further sulfonation using the diazonium salt coupling method. Adsorption of low density lipoprotein (LDL) was explored with these composite beads. The results showed that the composite beads had od sphericity, smooth surface, developed mesopores and were sulfonated by p-aminobenzenesulfonic acid. With the increase of CNTs mass ratio, the adsorption capacity of LDL increased. When the CNTs mass fraction was 45%, the amount of LDL adsorption reached 6.564 mg·g^-1 and was 3.3 times as large as that of the beads without CNTs. Therefore, the composite beads have od prospects as LDL adsorbents in hemoperfusion.

Key words:

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

磺化碳纳米管/活性炭复合微球的制备及其对低密度脂蛋白的吸附性能

English

Preparation of Sulfonated Carbon Nanotubes/Activated Carbon Composite Beads and Their Adsorption Capacity for Low Density Lipoprotein

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

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CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

磺化碳纳米管/活性炭复合微球的制备及其对低密度脂蛋白的吸附性能

English

Preparation of Sulfonated Carbon Nanotubes/Activated Carbon Composite Beads and Their Adsorption Capacity for Low Density Lipoprotein

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

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