Preparation of nanoparticles by crosslinking folate conjugated chitosan with vanillin and its characterization
文献类型: 外文期刊
作者: Zhou, Min 1 ; Li, Puwang 1 ; Wang, Guang 1 ; Yang, Ziming 1 ; Peng, Zheng 1 ; Kong, Lingxue 2 ;
作者机构: 1.CATAS, Agr Prod Proc Res Inst, Zhanjiang 524001, Peoples R China
2.Deakin Univ, Ctr Mat & Fibre Innovation, Inst Tech Res Innovation, Geelong, Vic 3217, Australia
关键词: Folic acid;chitosan;vanillin;chemical modification
期刊名称:INTELLIGENT SYSTEM AND APPLIED MATERIAL, PTS 1 AND 2
ISSN: 1022-6680
年卷期: 2012 年 466-467 卷
页码:
收录情况: SCI
摘要: Functionalized chitosan (CS) were widely used as drug delivery system in the chemotherapy of various disease. In this work, folate (FA) was conjugated into chitosan molecular as targeting ligand based on Schiff reaction between -NH2 group of CS and -COOH group of FA. And nanoparticles were made by emulsion method with vanillin novel cross-linking agent. The FA modified CS and its nanoparticles were characterized by Fourier transform spectroscopy (FT-IR), scanning electron microscope (SEM) and Zeta potential. SEM results confirmed the nanoparticles made from FA-CS conjugate were spherical in shape and were about 100 nm in size. Zeta potential analysis revealed that the nanoparticles were negatively charged with charge density of -7.73mV.
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