吉林大学学报(理学版)

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氨基化的介孔二氧化硅纳米材料与pDNA作用

郑昆1, 杨红2, 葛雅琨1, 隋新1, 温刚1, 张元新1   

  1. 1. 吉林化工学院 生物与食品工程学院, 吉林 吉林 132022; 2. 吉林工贸学校, 吉林 吉林 132021
  • 收稿日期:2015-04-29 出版日期:2015-11-26 发布日期:2015-11-23
  • 通讯作者: 郑昆 E-mail:kunzheng16@aliyun.com

Aminofunctionalized Mesoporous SilicaNanoparticles Interacting with pDNA

ZHENG Kun1, YANG Hong2, GE Yakun1, SUI Xin1, WEN Gang1, ZHANG Yuanxin1   

  1. 1. College of Biology and Food Engineering, Jilin Institute of Chemical Technology, Jilin 132022, Jilin Province, China; 2. Jilin Industry and Trade School, Jilin 132021, Jilin Province, China
  • Received:2015-04-29 Online:2015-11-26 Published:2015-11-23
  • Contact: ZHENG Kun E-mail:kunzheng16@aliyun.com

摘要:

采用共沉淀法合成高度有序、 分散性良好的氨基化介孔二氧化硅纳米材料(Am-MSNs), 并研究其吸附和保护质粒DNA(pDNA,PEGFP-N3)的
性质, 测定样品材料对A549和HeLa细胞的生物相容性. 实验结果表明: Am-MSNs能有效吸附PEGFP-N3, 并保护PEGFP-N3免受限制性内切酶的消化; AmMSNs对A549和HeLa细胞表现出较高的生物相容性, 当材料的质量浓度为125 μg/mL时, 两种细胞的存活率均约为100%.

关键词: 氨基化介孔二氧化硅纳米材料, 质粒DNA, 吸附, 保护, 生物相容性

Abstract:

This work evaluated the adsorption and protection capacities of aminofunctionalized mesoporous silica nanoparticles (Am-MSNs) for pDNA (PEGFP-N3). The in vitro biocompatibilities of AmMSNs to A549 and Hela cells were also tested, respectively. The results reveal that the Am-MSNs 
exhibit good adsorption capacity for PEGFPN3. Moreover, the material can also protect PEGFPN3 from enzymatic degradation completely. In addition, the
sample presents high in vitro biocompatibilities to HeLa and A549 cells.

Key words: amino-functionalized mesoporous silica nanoparticle(Am-MSNs), pDNA, adsorption, protection, biocompatibility

中图分类号: 

  • O641.2