AUTHOR=Pham-Hoang Bao-Ngoc , Phan-Thi Hanh , Waché Yves TITLE=Can biological structures be natural and sustainable capsules? JOURNAL=Frontiers in Chemistry VOLUME=3 YEAR=2015 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2015.00036 DOI=10.3389/fchem.2015.00036 ISSN=2296-2646