Results 181 to 190 of about 25,864 (242)

Micellisation and gelation of block-copoly(oxyethylene/oxybutylene/oxyethylene) E58 B17 E58 [PDF]

open access: closedColloid & Polymer Science, 1992
A triblock-copoly(oxybutylene/oxyethylene), denoted E58 B17 E58 (80 wt-% E), was prepared by sequential anionic copolymerisation and its micellar and gelation properties in aqueous solution were determined. The oxybutylene/oxyethylene copolymer had the advantage over comparable oxypropylene/oxyethylene copolymers of greater uniformity of composition ...
Colin Booth   +5 more
semanticscholar   +3 more sources

Production of \-mannanases by Trichoderma harzianum E58

open access: closedApplied Microbiology and Biotechnology, 1990
The extracellular mannanase and endoglucanase activities of Trichoderma harzianum E58 were followed during growth of the fungus on 1% (w/v) mannose, Avicel, locust bean gum, konjac powder or the water-soluble fraction from stream-treated white spruce (SWS). Peak galactomannanase activities of 0.60 IU/ml and 0.66 IU/ml were detected in culture filtrates
J. P. Torrie   +2 more
semanticscholar   +4 more sources

Xylanase production by Trichoderma harzianum E58

open access: closedApplied Microbiology and Biotechnology, 1989
Growth of Trichoderma harzianum E58 on hemicellulose-rich media, both in batch and fermentor cultures, resulted in independent profiles for the production of xylanase and endoglucanase enzymes. Dramatic differences in the ratio of xylanase to endoglucanase activities were observed among cultures grown on cellulose-rich Solka Floc and xylan.
John N. Saddler   +2 more
semanticscholar   +4 more sources

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