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Digitale Medien

Influence of the curing of the killer phenotype inSaccharomyces cerevisiae wine strains on their fermentative behaviour (1992)

Longo, E. ; Cansado, J. ; Sieiro, C. ; [weitere]

Springer

World journal of microbiology and biotechnology 8 (1992), S. 147-150

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ISSN: 1573-0972

Schlagwort(e): Curing ; fermentative behaviour ; killer ; Saccharomyces cerevisiae

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: Abstract Fermentative behaviour and cell growth have been studied in grape juice inoculated either with two killerSaccharomyces cerevisiae wild strains or with their Acridine Orange-cured isogenic counterparts. The number of viable cells/ml at the beginning of the fermentation, as well as during exponential growth, were higher in grape juices inoculated with the cured strains. The CO2 production, fermentative rate and ethanol and acetic acid production were also higher in the cured strains, particularly during the stage of active fermentation. These differences, however, were minimal at the end of the fermentations.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01195835

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Digitale Medien

ZnO clusters models: An AM1 and MNDO study (1993)

Martins, J. B. L. ; Andrès, J. ; Longo, E.

New York, NY : Wiley-Blackwell

International Journal of Quantum Chemistry 48 (1993), S. 643-653

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ISSN: 0020-7608

Schlagwort(e): Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: AM1 and MNDO semiempirical electronic calculations have been carried out for ZnO surface ((ZnO)n, n = 11, 16, 22, 24, 33, 42, and 44) cluster models. The theoretical results can be summarized as follows: (i) the energy gap HOMO-LUMO is shown to be dependent on the cluster size and geometry optimization; however, better agreement of this gap with experimental data is obtained with cluster of limited size (n = 16, 22, and 24). (ii) The Mulliken charge of the cluster zinc ion is invariant with the optimization procedure, showing an average value of 0.52 a.u. (MNDO) and 0.62 a.u. (AM1). © 1993 John Wiley & Sons, Inc.

Zusätzliches Material: 8 Ill.