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题名: Complex Assembly of Polymer Conjugated Mesoporous Silica Nanoparticles for Intracellular pH-Responsive Drug Delivery
作者: Yang, Yang1; Achazi, Katharina2; Jia, Yi3; Wei, Qiang2; Haag, Rainer2; Li, Junbai1, 3
刊名: LANGMUIR
发表日期: 2016-11-29
卷: 32, 期:47, 页:12453-12460
收录类别: SCI
英文摘要: There is a great challenge in constructing pH responsive drug delivery systems in biomedical application research. Many nanocomposites are intended to be pH-responsive as drug carriers because of a tumorous or intracellular mildly acidic environment. However, it is always difficult to find an appropriate system for quick response and release before the carrier is excreted from the living system. In this work, hyperbranched polymer, hyperbranched polyglycerol (hPG), and conjugated mesoporous silica nanoparticles (MSNs) were assembled as complexes to serve as drug carriers. Herein, the conjugated polymer-MSNs interacted through the Schiff base bond, which possessed a mildly acidic responsive property. Interestingly, the assembled system could rapidly respond and release guest molecules inside cancer cells. This would make the entrapped drug released before the carriers escape from the endosome counterpart. The results show that the assembled composite complexes can be considered to be a drug delivery system for cancer therapy.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35685
Appears in Collections:胶体、界面与化学热力学实验室_期刊论文

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作者单位: 1.Natl Ctr Nanosci & Technol, CAS Key Lab Biol Effects Nanomat & Nanosafety, Beijing 100190, Peoples R China
2.Free Univ Berlin, Dept Chem & Biochem, Takustr 3, D-14195 Berlin, Germany
3.Chinese Acad Sci, Inst Chem, BNLMS, Key Lab Colloid & Interface Sci, Beijing 100190, Peoples R China
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