Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 428499
Title Calorimetry and thermodynamic aspects of heterotrophic, mixotrophic, and phototrophic growth
Author(s) Stockar, U. von; Marison, I.; Janssen, M.G.J.; Patino, R.
Source Journal of Thermal Analysis and Calorimetry 104 (2011)1. - ISSN 1388-6150 - p. 45 - 52.
DOI http://dx.doi.org/10.1007/s10973-010-1278-7
Department(s) Bioprocess Engineering
VLAG
Publication type Refereed Article in a scientific journal
Publication year 2011
Keyword(s) microbial-growth - chemotropic growth - biomass yields - microorganisms - biotechnology - cultures - search - heat
Abstract A simple stoichiometric model is proposed linking the biomass yield to the enthalpy and Gibbs energy changes in chemo-heterotrophic, mixotrophic, and photo-autotrophic microbial growth. A comparison with calorimetric experiments on the algae Chlorella vulgaris and Chlorella sorokiniana confirmed the trends but revealed large calorimetric measurement inaccuracies. The calorimetric data on purely photo-autotrophic growth was, however, in fair agreement with calculations. The thermodynamic characteristics of photosynthetic growth, including an estimation of the Gibbs energy dissipation, are compared with similar data for chemotrophic microbes.
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