CO2 bioconversion using carbonic anhydrase (CA) : effects of PEG rigidity on the structure of bio-mineralized crystal composites

Publikationstyp
Journal Article
Date Issued
2013-07-09
Sprache
English
Author(s)
Hwang, Ee Taek  
Gang, Haemin  
Gu, Man Bock  
Institut
Bioprozess- und Biosystemtechnik V-1  
TORE-URI
http://hdl.handle.net/11420/6193
Journal
Journal of biotechnology  
Volume
168
Issue
2
Start Page
208
End Page
211
Citation
Journal of Biotechnology 2 (168): 208-211 (2013)
Publisher DOI
10.1016/j.jbiotec.2013.06.024
Scopus ID
2-s2.0-84885855451
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.
Subjects
Biomineralization
Calcium carbonate
Carbon dioxide
Carbonic anhydrase
Polymer
DDC Class
570: Biowissenschaften, Biologie