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  1. No Access

    Article

    Feeding strategy for the production of the new antibiotic myxovirescin A from Myxococcus virescens (Myxobacterales)

    Myxovirescin A is a new antibiotic from Myxococcus virescens. Conditions of growth on peptone media result in the antibiotic being secreted during the transition to the stationary phase. When growth is exponentia...

    J. N. Nigam, J. Lehmann, K. Gerth, H. Piehl… in Applied Microbiology and Biotechnology (1984)

  2. No Access

    Article

    Process analysis of the acetone-butanol fermentation by quadrupole mass spectrometry

    Mass spectrometric process analysis of the ABE fermentation can be performed. However, the constraints imposed by the conditions at the inlet system do not allow quantifications based on single compound calibr...

    P. Doerner, J. Lehmann, H. Piehl, R. Megnet in Biotechnology Letters (1982)

  3. No Access

    Article

    Application of mass spectrometry to the measurement of dissolved gases and volatile substances in fermentation

    This paper is concerned with a new method for the measurement of dissolved gases and volatile substances in fermentation with the aid of a mass spectrometer.

    M. Reuss, H. Piehl, F. Wagner in European journal of applied microbiology and biotechnology (1975)