Abstract
Novel macroporous composite hydrogels were synthesized by free radical polymerization of crylic acid (AA), chitosan (CS) and beta-cyclodextrin (β-CD) with N,N-methylenebisacrylamide (MBA) as the cross-linking agent. The structure of the resultant hydrogels was characterized by the Fourier Transform Infrared Spectrum (FT-IR) spectroscopy and Scanning Electron Microscopy (SEM). The thermal stability was also investigated by thermal gravimetric analyzer. The swelling properties were investigated in detail. The results revealed that the prepared hydrogels exhibited high pH sensitivity and well reversible property by undergoing a number of swelling/de-swelling recycles. Nicotinamide was chosen as a model drug to evaluate the controlled drug release behavior. The results indicated that the release rate decreased with the increasing of β-CD content in acidic solution (pH=1.80).
Keywords: CS/β-CD/PAA composite hydrogels, controlled drug delivery, nicotinamide.
Letters in Drug Design & Discovery
Title:Preparation and Characterization of CS/(β-CD)/PAA Composite Hydrogels for Controlled Drug Delivery
Volume: 12 Issue: 6
Author(s): Jie Ren, Xiaoci Yang, Mengqi Yao, Jinfen Gu, Xiaohua Tang and W u Yang
Affiliation:
Keywords: CS/β-CD/PAA composite hydrogels, controlled drug delivery, nicotinamide.
Abstract: Novel macroporous composite hydrogels were synthesized by free radical polymerization of crylic acid (AA), chitosan (CS) and beta-cyclodextrin (β-CD) with N,N-methylenebisacrylamide (MBA) as the cross-linking agent. The structure of the resultant hydrogels was characterized by the Fourier Transform Infrared Spectrum (FT-IR) spectroscopy and Scanning Electron Microscopy (SEM). The thermal stability was also investigated by thermal gravimetric analyzer. The swelling properties were investigated in detail. The results revealed that the prepared hydrogels exhibited high pH sensitivity and well reversible property by undergoing a number of swelling/de-swelling recycles. Nicotinamide was chosen as a model drug to evaluate the controlled drug release behavior. The results indicated that the release rate decreased with the increasing of β-CD content in acidic solution (pH=1.80).
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Cite this article as:
Ren Jie, Yang Xiaoci, Yao Mengqi, Gu Jinfen, Tang Xiaohua and Yang u W, Preparation and Characterization of CS/(β-CD)/PAA Composite Hydrogels for Controlled Drug Delivery, Letters in Drug Design & Discovery 2015; 12 (6) . https://dx.doi.org/10.2174/1570180812666150224231250
DOI https://dx.doi.org/10.2174/1570180812666150224231250 |
Print ISSN 1570-1808 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-628X |
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