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ACS Appl Mater Interfaces. 2014 Jun 11;6(11):8042-7. doi: 10.1021/am502154w. Epub 2014 May 20.

Composite of functional mesoporous silica and DNA: an enzyme-responsive controlled release drug carrier system.

Author information

1
Key Laboratory of Ion Beam Bioengineering, Hefei Institutes of Physical Science, Chinese Academy of Sciences , Hefei 230031, China.

Abstract

An efficient enzyme-responsive controlled release carrier system was successfully fabricated using single-stranded DNA encapsulated functional mesoporous silica nanoparticles. Mesoporous silica nanoparticles were initially fabricated through hydrolysis of tetraethyl orthosilicate (TEOS) in cetyltrimethylammonium chloride (CTAC) solution, and the surface of nanoparticles could be encapsulated with single-stranded DNA. This nanomaterial has excellent bioactivity and its hydrolysate cannot cause damage to normal cell, thus the biocompatibility of the nanomaterial is improved. In addition, this nanomaterial showed an excellent drug release performance when loaded with drugs, which would be helpful to increase the treatment efficiency and decrease side effects of drugs.

PMID:
24818529
DOI:
10.1021/am502154w
[Indexed for MEDLINE]

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