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  • 1990-1994  (4)
Datenquelle
Materialart
Erscheinungszeitraum
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  • 1
    Digitale Medien
    Digitale Medien
    The reaction of 2,5-dimethylpyrrole with O2(a1Δg) in the gas phase (1991)
    New York, NY : Wiley-Blackwell
    International Journal of Chemical Kinetics 23 (1991), S. 925-939 
    Details
    ISSN: 0538-8066
    Schlagwort(e): Chemistry ; Physical Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: The chemical reaction of 2,5-dimethylpyrrole (C6H9N) with O2(1Δg) was studied in the gas phase in an isothermal flow reactor at room temperature and low pressures. The C6H9N concentration profiles were studied under pseudo-first order conditions [C6H9N]∘ ≪ [O2(1Δg)] with mass-spectrometric detection of C6H9N. O2(1Δg) was produced either in a microwave discharge or in a chemical reaction. The value for the rate constant: \documentclass{article}\pagestyle{empty}\begin{document}$$ k_{1c} (298{\rm K)} = (1.0 \pm 0.3)10^{11} {\rm cm}^{\rm 3} \cdot {\rm mol}^{ - {\rm 1}} \cdot {\rm s}^{ - {\rm 1}} $$\end{document} was measured.The rate constant is compared to the value obtained for the quenching process. The primary product C6H9NO2 was detected by mass spectrometry and the reaction mechanism is proposed. The possibility of using this reaction as a gas phase titration reaction for O2(1Δg) is discussed.
    Zusätzliches Material: 7 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/kin.550231007
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  • 2
    Digitale Medien
    Digitale Medien
    Classification of yeasts by means of the BD1 data bank (1990)
    Berlin : Wiley-Blackwell
    Acta Biotechnologica 10 (1990), S. 401-410 
    Details
    ISSN: 0138-4988
    Schlagwort(e): Life Sciences ; Life Sciences (general)
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: Computerized procedures for the classification and discrimination of yeasts are presented which base on feature data files and classification techniques involved in a data bank project (BD1). Microbiological (physiological and morphological) and analytical feature data classes (fatty acid patterns from gas chromatography, fourier coefficeints from FTIR spectra, fluorescence patterns) were used to show the possibilities of yeast classification, carried out by means of these features and statistical or non-statistical methods. Results obtained by a suitable combination of these methods are presented.
    Zusätzliches Material: 1 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/abio.370100505
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    The microbiological data base of the data bank project BD1 (1990)
    Berlin : Wiley-Blackwell
    Acta Biotechnologica 10 (1990), S. 79-84 
    Details
    ISSN: 0138-4988
    Schlagwort(e): Life Sciences ; Life Sciences (general)
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: The aim of the project BD1 (Biotechnology Data Bank 1) is to improve the data processing for research in biotechnology. In BD1, data of several classes of objects and methods are compiled. A data file conception consisting of object data files, method data files and feature data files was created, which can be easily extended to further classes, and which allows the combination of different classes of features to the same class of objects. There are two main approaches to use BD1: 1. making available informations on certain biotechnological objects, 2. the identification of unknown objects by means of their feature pattern.The microbiological data base and the possibilities of data base search are presented by example of lactic acid bacteria.
    Zusätzliches Material: 7 Tab.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/abio.370100121
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  • 4
    Digitale Medien
    Digitale Medien
    Isolation of thermophilic bacteria similar to Thermus sp. (1992)
    Berlin : Wiley-Blackwell
    Acta Biotechnologica 12 (1992), S. 513-516 
    Details
    ISSN: 0138-4988
    Schlagwort(e): Life Sciences ; Life Sciences (general)
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: Several thermophilic strains similar to Thermus sp. were isolated from a hot spring in Nha Trang (Vietnam), and a domestic hot water reservoir, respectively. They grow aerobically on a complex medium at a temperature of 55 to 70°C and a pH value of 7 to 8. The cells are gram-negative, non-motile and non-sporulating. They possess yellow or red pigments. The isolated strains are similar to Thermus sp. in regard to the composition of the intracellular fatty-acid fraction as well as the absorption spectra of the extracted cellular pigments.
    Zusätzliches Material: 2 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/abio.370120614
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