Journal
JOURNAL OF BIOTECHNOLOGY
Volume 168, Issue 2, Pages 208-211Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jbiotec.2013.06.024
Keywords
Carbon dioxide; Calcium carbonate; Biomineralization; Carbonic anhydrase; Polymer
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Funding
- National Research Foundation of Korea
- Korean Government (MEST) [NRF-C1ABA001-2010-0020501]
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The combined effect of both carbonic anhydrase (CA) and the rigidity of polyethylene glycol (PEG) were found to assist the bio-mineralized crystallization behavior of CO2 differentially. In this study, different forms of magnetically responsive calcium carbonate (CaCO3) crystal composites were successfully formed from gaseous CO2 by using the different forms of polyethylene glycols (PEGs) in a constant CO2 pressure controlled chamber. Polygonal particles were produced with more rigid polymer chains (branched PEG), whereas less rigid polymer chains (PEG) induced the formation of ellipsoidal particles. However, no morphological changes occurred without the presence of CA. (C) 2013 Elsevier B. V. All rights reserved.
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