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Hollow Mesoporous Spheres with Cubic Pore Network as a Potential Carrier for Drug Storage and its In Vitro Release Kinetics

Published online by Cambridge University Press:  03 March 2011

Yu-Fang Zhu ,
Jian-Lin Shi ,
Yong-Sheng Li ,
Hang-Rong Chen ,
Wei-Hua Shen  and
Xiao-Ping Dong
Yu-Fang Zhu
Affiliation:
State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People’s Republic of China
Jian-Lin Shi*
Affiliation:
State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People’s Republic of China
Yong-Sheng Li
Affiliation:
State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People’s Republic of China
Hang-Rong Chen
Affiliation:
State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People’s Republic of China
Wei-Hua Shen
Affiliation:
State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People’s Republic of China
Xiao-Ping Dong
Affiliation:
State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People’s Republic of China
*
a)Address all correspondence to this author. e-mail: jlshi@sunm.shcnc.ac.cn
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Abstract

The hollow mesoporous spheres (HMS) with cubic pore network have been synthesized via a simple two-step method. Two drugs of different molecules size, Aspirin and Gentamicin, were tested by one simple adsorption process. Up to 336 mg Aspirin molecules can be stored in 1.0 g HMS, while Gentamicin molecules of much larger size are much more difficult to be introduced into the pore channels of HMS. The same results can be obtained by using MCM-48 and MCM-41 as comparative mesoporous carriers. The HMS shows significantly higher storage amount of Aspirin than conventional MCM-48 and MCM-41 due to its hollow core structure. The release process of HMS-Aspirin, MCM-48-Aspirin and MCM-41-Aspirin are found to have a sustained-release property and follow a Fickian diffusion mechanism. Moreover, the HMS is suitable for storage of drug molecules of much smaller size.

Keywords

MicrospheresAdsorptionSelf-assembly

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Type
Articles
Information
Journal of Materials Research , Volume 20 , Issue 1 , January 2005 , pp. 54 - 61
Copyright
Copyright © Materials Research Society 2004

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