Issue 130, 2015

Biocompatible locust bean gum mesoporous matrices prepared by ionic liquids and a scCO2 sustainable system

Abstract

Locust bean gum (LBG) is a natural polymer that belongs to the increasingly attractive biodegradable polymers derived from natural sources. This polymer possesses a number of appealing features such as non-toxicity that confer it a high potential for the use in fields such as pharmacy and food industries. In this work, three methylimidazolium-based ionic liquids (ILs) were used as alternative media in the preparation of biocompatible LBG gel matrices. The process consists of dissolving the biomaterial in a selected IL followed by a multi-step solvent exchange using a mixture of water and ethanol. The final gel (internal surface areas ranging from 60 to 180 m2 g−1) is then dried using a semi-continuous high pressure CO2 extraction process. To the best of our knowledge this is the first time that LBG mesoporous gel matrices are reported using this efficient sustainable method.

Graphical abstract: Biocompatible locust bean gum mesoporous matrices prepared by ionic liquids and a scCO2 sustainable system

Supplementary files

Article information

Article type
Paper
Submitted
27 Сер 2015
Accepted
30 Лис 2015
First published
07 Гру 2015

RSC Adv., 2015,5, 107700-107706

Author version available

Biocompatible locust bean gum mesoporous matrices prepared by ionic liquids and a scCO2 sustainable system

M. G. Ventura, A. I. Paninho, A. V. M. Nunes, I. M. Fonseca and L. C. Branco, RSC Adv., 2015, 5, 107700 DOI: 10.1039/C5RA17314K

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