Journal
INTERNATIONAL JOURNAL OF POLYMERIC MATERIALS
Volume 60, Issue 12, Pages 988-999Publisher
TAYLOR & FRANCIS AS
DOI: 10.1080/00914037.2011.553849
Keywords
aerogels; chitosan; sc center dot CO2
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Funding
- Commonwealth Scholarship Commission-London
- UGC, New Delhi
- MNNIT, Allahabad
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The objective of the present work is to improve the surface area of aerogel via supercritical carbon dioxide (sc center dot CO2) treatment and thus to obtain the chitosan derivative. The resulting mesoporous material exhibits the typical characteristics of aerogels such as high porosity and high surface area. The aerogels were characterized using FTIR, SEM, TEM, and thermal analysis. The specific surface areas and porosities of aerogels were determined using N-2 adsorption. The antibacterial assays were done using E. coli. The prepared chitosan aerogels show important properties such as biocompatibility, non-toxicity, and antibacterial activity, making them suitable for biomedical applications.
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