Drug Encapsulation and Release by Mesoporous Silica Nanoparticles: The Effect of Surface Functional Groups
作者:Si Yu Tan、Chung Yen Ang、Peizhou Li、Qi Ming Yap、Yanli Zhao
DOI:10.1002/chem.201403551
日期:2014.9.1
Mesoporous silica nanoparticles (MSNPs) have been widely used as drug carriers for stimuli‐responsive drug delivery. Herein, a catalysis screening technique was adopted for analyzing the effects of chain length, terminal group, and density of disulfide‐appended functional ligands on the surface of MSNPs on drug‐loading capacity and glutathione‐triggered drug‐release kinetics. The ligand with an intermediate
介孔二氧化硅纳米颗粒(MSNP)已被广泛用作刺激药物传递的药物载体。本文中,采用了一种催化筛选技术来分析链长,末端基团和MSNP表面上二硫键连接的功能性配体的密度对载药量和谷胱甘肽触发的药物释放动力学的影响。具有中等长度(5个碳原子)和与β-环糊精环复合的庞大末端基团(环己基)的配体显示出最高的载药量和良好的释放动力学。另外,减少功能性配体的表面覆盖导致药物释放的增加。通过使用功能化MSNP在黑色素瘤细胞系(B16-F10)上进行的体外药物递送实验进一步支持了这一结论。