Comparative physicochemical analysis of suspended and immobilized cultivation of Chlorella sp. Issue 2 (23rd April 2012)

• Record Type: Journal Article
• Authors: Zeng, Xianhai; Danquah, Michael K.; Halim, Ronald; Yang, Shuyu; Chen, Xiao Dong; Lu, Yinghua
• Is Part Of: Journal of chemical technology & biotechnology. Volume 88:Issue 2(2013:Feb.)
• Page Start: 247
• Page End: 254
• Publication Date: 2012-04-23
• Subjects: Biotechnology -- Periodicals; Chemistry, Technical -- Periodicals; Chemical engineering -- Periodicals; Industries -- Environmental aspects -- Periodicals; 660
• DOI: 10.1002/jctb.3821
• Languages: English
• ISSNs: 0268-2575

Abstract

<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p> <bold>BACKGROUND: Immobilized cultivation of microorganisms is gaining interest in the microalgae industry. In this study, a novel microalgae polymeric carrier, sodium cellulose sulphate/poly‐dimethyl‐diallyl‐ammonium chloride (NaCS‐PDMDAAC) capsule system, was employed to immobilize <italic>Chlorella</italic> sp. Microalgae cultivation was performed under immobilized and suspended conditions, and the resulting cells were characterized biochemically and physically.</bold> </p> <p> <bold>RESULTS: Experimental results indicated that microalgae cells cultivated under NaCS‐PDMDAAC immobilized conditions have a robust morphology, a smaller average cell size of 2.92 µm and a higher Zeta potential of − 17.10 mV than the suspended cells with a cell size of 6.81 µm and Zeta potential of − 32.90 mV. The immobilized microalgae cells displayed a total lipid content of 14.85%, and a chlorophyll content of 3.36%, slightly higher than those obtained from the suspended cells.</bold> </p> <p> <bold>CONCLUSION: These differences are critical to further explore the impact of immobilized microalgae cultivation systems for specific biotechnological applications. © 2012 Society of Chemical Industry</bold> </p> </abstract>