Abstract
Novel hollow silica nanoparticles (HSNPs) for drug delivery vehicles were synthesized using silica-coated magnetic assemblies, which are composed of a number of Fe3O4 nanocrystals, as templates. The core cavity was obtained by removal of Fe3O4 phase with hydrochloric acid and subsequent calcination at a high temperature. HSNPs were modified by amine in order to introduce positive surface charge and further PEGylated for increased solubility in aqueous medium. Doxorubicin as a model drug was loaded into the HSNPs, and notable sustained drug release from HSNPs was demonstrated.
Original language | English |
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Pages (from-to) | 3417-3421 |
Number of pages | 5 |
Journal | Langmuir |
Volume | 24 |
Issue number | 7 |
DOIs | |
Publication status | Published - 2008 Apr 1 |
ASJC Scopus subject areas
- General Materials Science
- Condensed Matter Physics
- Surfaces and Interfaces
- Spectroscopy
- Electrochemistry