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The influence of calcination temperature on the structural property and catalytic behavior of Ir/CeO2 for oxidative steam reforming of ethanol (OSR) was extensively investigated. In order to elucidate the structure–performance relationship, the as-prepared catalysts were characterized before and after catalytic test by various techniques such as X-ray diffraction spectroscopy (XRD), Temperature programmed...
Effect of ethanol on the stability and conformational changes of transglutaminase from Streptomyces hygroscopicus (MTGase) was studied. The presence of 10% ethanol increased 20% activity and about 85% activity was lost in 50% ethanol–aqueous solution after incubation for 60min at 25°C. The K m and V max of the enzyme were 63.13mmol/L and 14.02μmol/(mgproteinmin) in the presence of...
Transglutaminase (TGase, EC 2.3.2.13) from a Streptomyces hygroscopicus strain isolated from soil was purified from culture broth by ethanol precipitation, followed by successive chromatographies on CM-cellulose and Sephadex G-75 columns with a yield and purification-fold of 21.1% and 30%, respectively. The enzyme’s molecular weight was estimated as 38,000Da by sodium dodecyl sulfate polyacrylamide...
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