Characterization of bioflocculant produced by Bacillus sp. DP-152

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Title
Characterization of bioflocculant produced by Bacillus sp. DP-152
Author(s)
Hyun Hyo Suh; Gi Seok Kwon; Chang Ho Lee; Hee Sik KimHee-Mock Oh; Byung Dae Yoon
Bibliographic Citation
Journal of Fermentation Bioengineering, vol. 84, no. 2, pp. 108-112
Publication Year
1997
Abstract
A strain (designated DP-152) which produces an excellent flocculating substance was isolated from soil samples and identified as Bacillus species. The major flocculating substance (bioflocculant DP-152) produced by Bacillus sp. DP-152 was purified by ethanol precipitation and celylpyridinium chloride (CPC) precipitation and gel permeation chromatography. In kaolin suspension, the highest flocculating activity was obtained at the biofiocculant concentration of 1 mg/l. The bioflocculant DP-152, which has an estimated molecular weight of over 2 x 106 daltons, is a novel bioflocculant derived from sugar components consisting of glucose, mannose, galactose, and fucose in an approximate molar ratio of 8: 4: 2: 1. Some of its physico-chemical properties were also determined.
Keyword
novel bioflocculantanionic polysaccharideBacillus sp.
ISSN
0385-6380
Publisher
Soc Bioscience Bioengineering Japan
DOI
http://dx.doi.org/10.1016/S0922-338X(97)82537-8
Type
Article
Appears in Collections:
Synthetic Biology and Bioengineering Research Institute > Cell Factory Research Center > 1. Journal Articles
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