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Enhanced and potential degradation of o-phthalate by Bacillus sp. immobilized cells in alginate and polyurethane.
Neelakanteshwar Patil, K. and Veeranagouda, Y. and Vijaykumar, M. H. and Anand Nayak, S. and Karegoudar, T. B. (2006) Enhanced and potential degradation of o-phthalate by Bacillus sp. immobilized cells in alginate and polyurethane. International Biodeterioration & Biodegradation (57). pp. 82-87.
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International Biodeterioration & Biodegradation 57 (2006) 82–87.pdf - Published Version Restricted to Registered users only Download (177kB) | Request a copy |
Abstract
Phthalate is a key metabolite during the degradative pathways of various aromatic compounds, which are generally recognized as pollutants. Bacillus sp. (NCIM 5220), a soil microbe, is capable of utilizing o-phthalate as the sole carbon and energy source. This bacterium was immobilized in alginate and polyurethane foam (PUF). The degradation of phthalate by free cells was compared with the degradation by alginate- and PUF-immobilized cells in shaken batch, repeated batch, and continuous degradation in a packed bed reactor. The immobilized cells in alginate and PUF showed higher degradation of phthalate than free cells and could be used for repeated cycles for more than 12 and 24 cycles, respectively. Further the immobilized cells could be operated for the degradation of phthalate in a packed-bed reactor with much higher dilution rates. Thus, more efficient degradation of phthalate was achieved by immobilizing the Bacillus sp. in alginate and polyurethane foam.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Alginate; Bacillus sp.; Biodegradation; Immobilization; o-Phthalate; Polyurethane |
| Subjects: | 500 Natural Sciences and Mathematics > 07 Life Sciences > 04 Microbiology 600 Technology > 01 Medical sciences > 17 Toxicology |
| Divisions: | Protein Chemistry and Technology |
| Depositing User: | Food Sci. & Technol. Information Services |
| Date Deposited: | 01 Jan 2021 04:38 |
| Last Modified: | 01 Jan 2021 04:38 |
| URI: | http://ir.cftri.res.in/id/eprint/14733 |
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