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  • 1
    Electronic Resource
    Electronic Resource
    Location of monitorial fluorophores inCandida utilis (1992)
    Springer
    Biotechnology techniques 6 (1992), S. 227-232 
    Details
    ISSN: 1573-6784
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary The fluorescent spectra of whole broth, cell-free broth and resuspended cells were compared during the fermentation ofCandida utilis growing in ethanol for the purposes of identifying the location of monitorial fluorophores in cellular systems. Four cellular fluorophores, tryptophan, pyridoxine, NADH and riboflavin were examined. The results indicated that the fluorescence signal of tryptophan and NADH came mainly from intracellular fluorophores, and the fluorescence signal of pyridoxine and riboflavin mainly came from extracellular fluorophores. The contributions of intracellular and extracellular fluorophores to culture fluorescence signals were found to change during the fermentation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02439349
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The use of fluorometry for on-line measurement of mixing time and hold-up in fermentations (1990)
    Springer
    Biotechnology techniques 4 (1990), S. 293-298 
    Details
    ISSN: 1573-6784
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary Mixing times and gas hold-ups in a 250L bioreactor containing a phosphate buffer or an active fermentation were determined on-line using fluorometric (MEFS and NADH) probes as functions of agitation and aeration rates. Both mixing time and hold-up of a fermentaion can be determined using a MEFS probe. Hold-up may also be measured with a presently available commercial NADH probe.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00157424
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Kinetic and fluorometric behavior of a phenol fermentation (1989)
    Springer
    Biotechnology letters 11 (1989), S. 177-182 
    Details
    ISSN: 1573-6776
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary The kinetic and fluorometric behavior ofPseudomonas putida (ATCC 17484) growing on phenol as the carbon limiting substrate was investigated. A model was developed to describe the behavior under dynamic conditions of flow or substrate concentration “shift-up”. Parameters contained in the model were estimated. It was observed that the model described the kinetic behavior reasonably well. Factors which affected the fluorescence output of the whole broth culture were also studied.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01026052
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    Paper (German National Licenses)
    Fulltext
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