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  • 11
    Electronic Resource
    Electronic Resource
    Teilchengrößen-Analyse durch beschleunigte Strahlenstreuung (1978)
    Springer
    Colloid & polymer science 256 (1978), S. 207-207 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01679446
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  • 12
    Electronic Resource
    Electronic Resource
    Production of bioemulsifier by a SCP-producing strain ofCandida tropicalis during hydrocarbon fermentation (1990)
    Springer
    Biotechnology letters 12 (1990), S. 743-746 
    Details
    ISSN: 1573-6776
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary SCP producingCandida tropicalis, when grown in fed batch culture using n-hexadecane as carbon substrate, exhibited extracellular emulsifier production. The emulsifier showed activity against various hydrocarbons, maximum with aromatics and least with normal paraffins. Higher emulsification activity was noted in nitrogen-limiting growth conditions than in substrate- limiting conditions. The hot water extract of the cells also showed significant emulsification activity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01024732
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  • 13
    Electronic Resource
    Electronic Resource
    Glucose uptake byAspergillus nidulans, purification and properties of glucose binding protein (1975)
    Springer
    Cellular and molecular life sciences 31 (1975), S. 160-162 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Nachweis, dass gereinigtes,d-Glukose bindendes Protein aus der Biotin-Mangelmutante vonAspergillus nidulans an der Gel-Elektrophorese einen einzigen Ring zeigte. Das Protein ist hitzeunbeständig und hat einenKm-Wert von 5,26×10−4 M und seine Aktivität wurde, mit Ausnahme vond-Galaktose undd-Mannose, durch verschiedene Zucker nicht beeinträchtigt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01990680
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  • 14
    Electronic Resource
    Electronic Resource
    Regulation of ammonia uptake inAspergillus nidulans (1977)
    Springer
    Cellular and molecular life sciences 33 (1977), S. 1592-1593 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The ammonia uptake inA. nidulans was found to be linear for about 20 min, and was proportional up to 1.5 mg/ml dry cell density. The transport of ammonia does not involve energy. Normal and biotin deficientA. nidulans showed an identical Km-values of 10.26×10−5 M ammonia for uptake. The uptake of ammonium ion has been shown to be regulated by the intracellular concentration of ammonia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01934016
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  • 15
    Electronic Resource
    Electronic Resource
    Assimilation of ammonia and growth of biotin deficientAspergillus nidulans (1976)
    Springer
    Cellular and molecular life sciences 32 (1976), S. 423-424 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Biotin deficiency inAspergillus nidulans has been found to increase the uptake of ammonium ions, associated with a marked increase in the activity of NADP-linked glutamate dehydrogenase, which is found to be the major route of ammonia assimilation in this culture. The results obtained are discussed with respect to the growth ofAspergillus nidulans during biotin deficiency.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01920773
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  • 16
    Electronic Resource
    Electronic Resource
    Joule dissipation in F-region and equatorial spread-F events (1978)
    [s.l.] : Nature Publishing Group
    Nature 272 (1978), S. 516-516 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A digitally pressure-scanned Fabry-Perot spectrometer from the Physical Research Laboratory, Ahmedabad, was tested by measuring the Doppler width of 6,300 A OOD) airglow line during two nights in February 1976 at Mt Abu6. It was later improved and made more sensitive by using larger plates and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/272516a0
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  • 17
    Electronic Resource
    Electronic Resource
    Twilight IR brightening over India due to EI Chichón's eruption in Mexico (1982)
    [s.l.] : Nature Publishing Group
    Nature 300 (1982), S. 620-621 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Spectacular visual effects in the form of coloured sunsets following violent volcanic eruptions are well known1'2, and the time of fading for the late twilight glow has been interpreted in terms of an aerosol layer in the lower stratosphere by using shadow heights3'4. Colourful displays in the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/300620a0
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  • 18
    Electronic Resource
    Electronic Resource
    Anaerobic biodegradation of a petrochemical waste-water using biomass support particles (1994)
    Springer
    Applied microbiology and biotechnology 40 (1994), S. 768-771 
    Details
    ISSN: 1432-0614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract. During the anaerobic biodegradation of effluent from a dimethyl terephthalate (DMT) manufacturing plant, reduction in chemical oxygen demand (COD) degradation and biogas formation was observed after the waste-water concentration exceeded 25% of added feed COD. This condition reverted back to normal after 25–30 days when the DMT waste-water concentration in the feed was brought down to a non-toxic level. However, the above effects were observed only after the concentration of DMT waste-water reached more than 75% of added feed COD when biomass support particles (BSP) were augmented to the system. In the BSP system, a biomass concentration of up to 7000 mg/l was retained and the sludge retention time increased to 〉200 days compared to 2200 mg/l and 8–10 days, respectively, in the system without BSP (control). Formaldehyde in the waste-water was found to be responsible for the observed toxicity. The BSP system was found to resist formaldehyde toxicity of up to 375 mg/l as against 125 mg/l in the control system. Moreover, the BSP system recovered from the toxicity much faster (15 days) than the control (25–30 days). The advantages of the BSP system in anaerobic treatment of DMT waste-water are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002530050064
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  • 19
    Electronic Resource
    Electronic Resource
    Anaerobic biodegradation of a petrochemical waste-water using biomass support particles (1994)
    Springer
    Applied microbiology and biotechnology 40 (1994), S. 768-771 
    Details
    ISSN: 1432-0614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract During the anaerobic biodegradation of effluent from a dimethyl terephthalate (DMT) manufacturing plant, reduction in chemical oxygen demand (COD) degradation and biogas formation was observed after the waste-water concentration exceeded 25% of added feed COD. This condition reverted back to normal after 25–30 days when the DMT waste-water concentration in the feed was brought down to a non-toxic level. However, the above effects were observed only after the concentration of DMT waste-water reached more than 75% of added feed COD when biomass support particles (BSP) were augmented to the system. In the BSP system, a biomass concentration of up to 7000 mg/l was retained and the sludge retention time increased to 〉 200 days compared to 2200 mg/l and 8–10 days, respectively, in the system without BSP (control). Formaldehyde in the waste-water was found to be responsible for the observed toxicity. The BSP system was found to resist formaldehyde toxicity of up to 375 mg/l as against 125 mg/l in the control system. Moreover, the BSP system recovered from the toxicity much faster (15 days) than the control (25–30 days). The advantages of the BSP system in anaerobic treatment of DMT waste-water are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00173343
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  • 20
    Electronic Resource
    Electronic Resource
    Phosphate transport inClaviceps sp. strain SD-58 (1985)
    Springer
    Cellular and molecular life sciences 41 (1985), S. 96-97 
    Details
    ISSN: 1420-9071
    Keywords: Claviceps ; fungus, ergot ; ergot fungus ; phosphate uptake
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Phosphate uptake inClaviceps sp. strain SD-58 was found to be linear for 20 min, proportional to cell density in mg/ml, energy dependent, and taking place against a concentration gradient with a Km value of 45.45×10−5 M. Osmotic shock treatment to the cell caused a reduction in phosphate uptake associated with the release of binding protein. Partial restoration of uptake was observed on incubation of osmotically shocked cells with shock fluid. The results are discussed with reference to the effect of phosphate on alkaloid synthesis inClaviceps sp. strain SD-58.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02005894
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