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  • Life Sciences (general)  (3)
  • C. krusei strains  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Physiological and morphological characteristics of yeasts isolated from waste oil effluents (2000)
    Springer
    World journal of microbiology and biotechnology 16 (2000), S. 683-686 
    Details
    ISSN: 1573-0972
    Schlagwort(e): C. krusei strains ; chitin synthase activity ; morphological differences ; physiological types ; polluted samples
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: Abstract Pichia membranaefaciens, Cryptococcus laurentii, Rhodotorula glutinis and Candida krusei were isolated from contaminated sites. A significant variability in cell forms and in assimilation profiles was observed in the C. krusei strains. The chitin synthase activity and chitin content allowed us to differentiate three strain types. The variability of the phenotypic traits was higher in C. krusei strains isolated from heavily polluted sites.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1008935706559
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  • 2
    Digitale Medien
    Digitale Medien
    Hydrolysis of cellobiose using β-glucosidase from Penicillium funiculosum. Kinetic analysis (1999)
    Berlin : Wiley-Blackwell
    Acta Biotechnologica 19 (1999), S. 3-16 
    Details
    ISSN: 0138-4988
    Schlagwort(e): Life Sciences ; Life Sciences (general)
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: The kinetics of cellobiose hydrolysis was studied using β-glucosidase from Penicillium funiculosum, both free and immobilized on nylon powder, at different temperatures, pH values, enzymatic activities and initial cellobiose and glucose concentrations.The experimental results were fitted to a kinetic model by considering the substrate and product inhibitions as well as the thermal deactivation of β-glucosidase with a mean deviation of less than 10%. The immobilization of β-glucosidase led to an increase in the stability of the enzyme against changes in the pH value.
    Zusätzliches Material: 10 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/abio.370190102
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  • 3
    Digitale Medien
    Digitale Medien
    Immobilization of β-glucosidase from different sources on nylon tube (1992)
    Berlin : Wiley-Blackwell
    Acta Biotechnologica 12 (1992), S. 357-364 
    Details
    ISSN: 0138-4988
    Schlagwort(e): Life Sciences ; Life Sciences (general)
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: Cellulase from four different fungi and β-glucosidase from almonds were immobilized on the inner surface of nylon tubing. The highest values of β-glucosidase activity retention on the support were obtained when P. funiculosum and N. crassa were used as the enzyme source. A comparative study of the thermal stability referring to β-glucosidase activity was developed using free and immobilized enzymes. The most stable β-glucosidases (from P. funiculosum and A. niger) did not show an appreciable change in its thermal stability after immobilization. An important increase in thermal stability was observed when less stable β-glucosidases (from T. reesei, N. crassa and almonds) were immobilized.
    Zusätzliches Material: 6 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/abio.370120502
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  • 4
    Digitale Medien
    Digitale Medien
    Enzymatic hydrolysis of wheat straw: Kinetic analysis (1993)
    Berlin : Wiley-Blackwell
    Acta Biotechnologica 13 (1993), S. 21-30 
    Details
    ISSN: 0138-4988
    Schlagwort(e): Life Sciences ; Life Sciences (general)
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: Pretreated wheat straw was enzymatically hydrolyzed in 250-ml flasks using the culture filtrate of Trichoderma reesei QM-9414. The influence of the initial enzymatic activity in the liquid phase was studied. The unreacted core model was used to analyze the experimental data obtained at 40, 46 and 50°C. The model adequately describes the data for hydrolysis times lower than 10 h.
    Zusätzliches Material: 8 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/abio.370130105
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