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The study of several kinds of nano materials as gene and drug carriers

Abstract

本论文旨在研究明胶-硅氧烷、金纳米棒复合水凝胶和介孔二氧化硅三种纳米材料作为基因载体和药物载体的生物学效应。 本论文工作主要分为以下三个方面: 1.将单一多肽(Tat、HA2、R8)和两种多肽(Tat和HA2或者Tat和R8)修饰到明胶-硅氧烷纳米粒子(GSNPs)表面,系统研究不同多肽修饰的GSNPs对转染基因的包裹和保护、细胞活性、细胞内化、细胞内逃逸溶酶体效率和负载基因的基因转染效率等方面的区别,从而探讨不同多肽修饰的负载基因的GSNPs在细胞内转运的路径。 2.通过双光照射释药(808nm激光刺激释放包载在水凝胶中的药物,680nmLED灯光发挥酞菁的光动力作用)的方法考察了包载...This thesis was aimed to investigate the biological effect of gelatin-siloxane nanoparticles, Aurod@pNIPAAm-PEGMA nanogels, mesoporous silica nanoparticles (MSNs) as gene and drug carriers. The following three aspects were discussed in this thesis: 1.Construct single peptide (Tat, HA2, R8) or two peptides (Tat/HA2 or Tat/R8) modified gelatin-siloxane nanoparticles, and compare the ability of gen...学位:理学硕士院系专业:材料学院生物材料系_☆生物医学工程学号:3142009115008

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