化工新型材料

化工新型材料 ›› 2019, Vol. 47 ›› Issue (5) : 139-143.

科学研究

大豆分离蛋白对单壁碳纳米管的功能化修饰及其性能研究

^1,3

^1,3*

作者信息 +

Functionalization and characterization of SWCNTs with soy protein isolate

Wang Han¹, Guo Jun², Guo Xia¹, Jia Jianhong¹, Li Wenfeng^1,3, Niu Baolong^1,3

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文章历史 +

Received
2017-12-22
Issue Date	Revised Date
2019-06-17	2017-12-22

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摘要

采用生物表面活性剂大豆分离蛋白(SPI)功能化修饰经酸化提纯的单壁碳纳米管(O-SWCNTs),得到纳米复合材料(SPI-O-SWCNTs)。对SPI-O-SWCNTs及其性能进行了测试和表征。透射电子显微镜(TEM)观察表明:SPI有效提高了O-SWCNTs的分散性。X射线光电子能谱(XPS)和拉曼光谱分析表明:SPI通过物理作用吸附到了O-SWCNTs表面,导致O-SWCNTs表面的C原子混乱度少许增加以及电化学性能降低。药物体外释放实验和细胞毒性检验实验表明:SPI修饰后的O-SWCNTs,能够提高药物的缓释效果,并且降低了对细胞的毒性。

Abstract

Nanosized composites (SPI-O-SWCNTs) were obtained by functionalization of acid-purified single-walled carbon nanotubes (O-SWCNTs) with biosurfactant soy protein isolate (SPI).SPI-O-SWCNTs and their performance were tested and characterized.Transmission electron microscopy (TEM) showed that SPI effectively improved the dispersibility of O-SWCNTs.X-ray photoelectron spectroscopy (XPS) and raman spectra analysis showed that the SPI adsorbed onto the surface of O-SWCNTs by physical action,resulting in a little increase of C atom confusion on the surface of O-SWCNTs and a decrease of electrochemical performance.The vitro drug release experiments and cytotoxicity tests showed that SPI-modified O-SWCNTs can improve the drug release effect and reduce the toxicity to cells.

关键词

单壁碳纳米管 / 大豆分离蛋白 / 纳米复合材料 / 分散性

Key words

single-walled carbon nanotube / soy protein isolate / nanocomposite / dispersibility

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大豆分离蛋白对单壁碳纳米管的功能化修饰及其性能研究[J]. 化工新型材料, 2019, 47(5): 139-143 DOI:

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