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Digitale Medien

Biodegradation of slop oil from a petrochemical industry and bioreclamation of slop oil contaminated soil (1994)

Dave, H. ; Ramakrishna, C. ; Bhatt, B. D. ; [weitere]

Springer

World journal of microbiology and biotechnology 10 (1994), S. 653-656

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ISSN: 1573-0972

Schlagwort(e): Biodegradation ; bioreclamation ; petrochemical waste oil ; phytotoxicity ; soil contamination

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: Abstract Slop oil, i.e. waste oil from a petrochemical complex, contains at least 240 hydrocarbon components, of which 54% are from C5 to C11 and the rest from C12 to C23. Of 22 isolated bacterial cultures that were able to degrade slop oil, seven could each degrade about 40% of the slop oil, and a mixture of all seven could degrade ≤50% in liquid medium. Bioaugmentation of soil contaminated with slop oil with the mixed bacterial culture gave up to 70% degradation of slop oil after 30 days. This compares with 40% degradation without bioaugmentation. Bioaugmentation led to a significant increase in counts of bacteria able to degrade slop oil. Wheat sown on bioaugmented soil germinated and grew better than on non-augmented soil and led to increased degradation of slop oil (up to 80%). This indicates the potential of mixed culture for bioremediation.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00327953

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Digitale Medien

Purification and properties of extracellular β-glucosidase from Scytalidium lignicola (1983)

Desai, J. D. ; Ray, R. M. ; Patel, N. P.

New York, NY [u.a.] : Wiley-Blackwell

Biotechnology and Bioengineering 25 (1983), S. 307-313

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ISSN: 0006-3592

Schlagwort(e): Chemistry ; Biochemistry and Biotechnology

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Biologie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Zusätzliches Material: 3 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/bit.260250123

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Digitale Medien

Effect of melanin on enzymatic hydrolysis of cellulosic waste (1984)

Ray, R. M. ; Desai, J. D.

New York, NY [u.a.] : Wiley-Blackwell

Biotechnology and Bioengineering 26 (1984), S. 699-701

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ISSN: 0006-3592

Schlagwort(e): Chemistry ; Biochemistry and Biotechnology

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Biologie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: Wood waste powder from Tectona grandis containing melanin was less susceptible to enzymatic hydrolysis than powder without melanin. About a 53% increase in saccharification was noted when melanin was removed. Melanin caused inhibition to all cellulolytic enzymes, but in different degrees. Endo-β-1,4-glucanase and β-glucosidase were markedly inhibited when melanin was preincubated with enzyme, while exo-β-1,4-glucanase was severely inhibited when melanin was preincubated with substrate. The latter was found to be dependent on the contact time. The activities of endo-β-1,4-glucanase and β-glucosidase were noncompetitively inhibited by melanin.

Zusätzliches Material: 2 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/bit.260260711

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