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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 326 (1979), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 350 (1991), S. 104-104 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - Biologists should be disquieted by the special pleading of Walter Gilbert for the genome project (Nature349,99; 1991). The assumptions he makes are odd. For instance, he seems to imply that, once we have identi-fied the genes in an organism, we have ob-tained virtually all the basic ...
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Archives of microbiology 104 (1975), S. 197-199 
    ISSN: 1432-072X
    Keywords: Agrobacterium tumefaciens ; Growth-Limiting Nutrients ; Biomass Concentrations, Oscillations ; Variant Organisms
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Agrobacterium tumefaciens was grown in a chemostat in a chemically-defined medium which had α-methyl d-glucoside, magnesium, manganese, phosphate or urea as the growth-limiting nutrient. Steady-state biomass concentrations were dependent on the specific growth rate of the organism when α-methyl d-glucoside, manganese or phosphate were growth-limiting nutrients. During magnesium-limited growth, large undamped oscillations in biomass concentration occurred. In all chemostat cultures a variant organism was selected which had lost the ability to grow in the medium supplied, but survived on products of carbon metabolism derived from the wild-type.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Archives of microbiology 116 (1978), S. 293-296 
    ISSN: 1432-072X
    Keywords: Chlorella growth ; Iron requirement and growth rate ; Adherence of cells
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The maximum biomass in iron-limited photosynthetic batch cultures of chlorella increased as the logarithm of the iron concentration. The growth yield from iron (Y x/Fe) showed a marked inverse relation to the specific growth rate. The maximum biomass yield, g dry biomass/g iron consumed, was 7.5x103 with specific growth rate 0.108 h-1; the minimum was 0.79×103 with specific growth rate 0.145 h-1. The maximum specific growth rate in the exponential phase of Fe limited cultures varied as the initial Fe concentration. Fe-limited growth made the cells adhere to a glass surface.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Applied microbiology and biotechnology 24 (1986), S. 468-470 
    ISSN: 1432-0614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary A convenient quantitative method for measuring the adhesion of cells to a surface is described. The method is based on the readiness of algal cells to adhere to a clean glass surface. A trace element mixture was found to decrease cell adhesion but it also decreased the maximum specific growth rate of a Chlorella-type green alga. Cell adhesion was also decreased by reducing the magnesium ion concentration of the medium. The biomass yield from iron was 1.51×103 g dry biomass/g iron consumed.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 24 (1982), S. 507-509 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: No abstract.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 29 (1987), S. 520-528 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: An on-line computer was used to control the ratio of carbon to nitrogen in algal biomass. An indirect method of growth and biomass estimation was utilized. This was based on balancing the amount of CO2 carbon in and out of the algal bioreactor. It was shown that growth conditions govern the morphology and composition of Spirulina platensis. Cells grown under light limitation were narrower, had high levels of phycocyanin pigments, and were packed full of small lipid granules. Whereas cells grown under nitrogen limitation lost their characteristic blue-green color, had reduced levels of phycocyanin, were fatter, and were packed full of larger lipid granules.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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