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  • 1
    Electronic Resource
    Electronic Resource
    Magneto-oscillatory phenomena in highly correlated metals (invited) (abstract) : The 6th joint magnetism and magnetic materials (MMM)-intermag conference (1994)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 76 (1994), S. 6137-6137 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A central question in the physics of interacting electron systems is whether conditions exist under which the conventional Landau description fails to describe the low energy excitations of the "normal'' metallic state. Measurements of the temperature and magnetic field dependences of the magnetization and resistivity—in particular of the de Haas–van Alphen and Shubnikov effects which provide sensitive probes of microscopic processes in metals—are currently being used to examine this question. Advances in material preparation and detection techniques have made it possible to conduct exhaustive studies in selected examples of systems of highly correlated d and f electrons. Most of our results will be shown to be consistent with the broad predictions of the Landau model. In some extreme circumstances, however, near low temperature transitions as a function of hydrostatic pressure or applied magnetic field, evidence has been collected which appears difficult to reconcile with the standard model of the metallic state.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.358332
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  • 2
    Electronic Resource
    Electronic Resource
    Detection of a novel carbon-phosphorus bond cleavage activity in cell-free extracts of an environmental Pseudomonas fluorescens isolate
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 184 (1992), S. 1022-1027 
    Details
    ISSN: 0006-291X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0006-291X(92)90693-F
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Metabolism of the phthalocyanine textile dye remazol turquoise blue by Phanerochaete chrysosporium (1999)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 179 (1999), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The ability of a strain of Phanerochaete chrysosporium to decolourise the commercially important copper-phthalocyanine dye Remazol turquoise blue was investigated. The fungus was found to completely decolourise the dye at a concentration of 200 mg l−1 within 7 days. High performance liquid chromatography (HPLC) and polarographic analysis of culture supernatants indicated that degradation of the dye structure was occurring with the detection of one major organic breakdown product and the release of up to 50% dye-bound copper into culture supernatants during decolourisation. Biosorption of copper to the fungal biomass was found to occur during the initial stages of dye decolourisation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1999.tb08746.x
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  • 4
    Electronic Resource
    Electronic Resource
    Low energy excitations of highly correlated electron systems (1994)
    Springer
    Journal of low temperature physics 95 (1994), S. 39-43 
    Details
    ISSN: 1573-7357
    Keywords: 71.28 ; 75.20
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Recent studies of properties of heavy quasiparticles have helped to establish thatf electrons and conduction electrons in the normal states of certain U and Ce compounds are characterised by Fermi volumes consistent with Luttingeris Theorem and by integrated qnasiparticle masses which agree with measured linear coefficients of the specific heat. Evidence is presented that this Fermi Liquid picture may, however, break down when the ground state is near pressure or magnetic field induced phase transitions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00754921
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  • 5
    Electronic Resource
    Electronic Resource
    Ethanol production at 45 °C by Kluyveromyces marxianus IMB3 during growth on molasses pre-treated with Amberlite® and non-living biomass (1998)
    Springer
    Bioprocess engineering 19 (1998), S. 217-219 
    Details
    ISSN: 0178-515X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract  The use of high concentrations of molasses as a fermentation feed-stock for ethanol production is normally precluded by the presence of inhibitory compounds. Use of the thermotolerant, ethanol-producing yeast strain Kluyveromyces marxianus IMB3 in fermentations containing high concentrations of molasses resulted in sub-optimal production of ethanol. The results suggested that this was caused by the presence of inhibitory materials rather than an intolerance to increased concentrations of ethanol. In the current study we describe the pretreatment of molasses preparations with either an Amberlite® monobed mixed ion-exchange resin or non-living microbial biomass from a local distillery. In the study molasses samples diluted to yield a final sugar concentration of 160 g/l were used as the substrate. Control fermentations using the untreated molasses dilutions yielded a maximum ethanol concentration of 40 g/l, representing 49% of the maximum theoretical yield. Fermentations using molasses samples pre-treated with Amberlite® or non-living biomass yielded maximum ethanol concentrations of 58 and 54 g/l, representing 71 and 66% of the maximum theoretical yield, respectively. The results suggest that pre-treatment brings about removal of toxic or inhibitory materials from the fermentation feed-stock and we believe that such pre-treatments, particularly using the less expensive non-living biomass preparations may find a role in processes concerned with the commercial production of ethanol from molasses using this microorganism.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00009012
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  • 6
    Electronic Resource
    Electronic Resource
    Decolourisation of molasses spent wash by Phanerochaete chrysosporium (1997)
    Springer
    Biotechnology letters 19 (1997), S. 97-99 
    Details
    ISSN: 1573-6776
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1018335608459
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  • 7
    Electronic Resource
    Electronic Resource
    Biosorption of textile dyes by biomass derived from Kluyveromyces marxianus IMB3 (1998)
    Springer
    Bioprocess engineering 19 (1998), S. 427-430 
    Details
    ISSN: 0178-515X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract Since it had previously been found that biomass derived from the thermotolerant ethanol-producing yeast strain Kluyveromyces marxianus IMB3 exhibited a relatively high affinity for heavy metals it was decided to determine whether or not it might be capable of textile dye biosorption. To this end, biosorption isotherm analysis was carried out using the biomass together with commonly-used textile dyes including Remazol Black B, Remazol Turquoise Blue, Remazol Red, Remazol Golden Yellow and Cibacron Orange. Although the dyes Remazol Black B, Remazol Turquoise Blue and Remazol Red adhered to the Langmuir model, the remaining dyes failed to do so. The observed biosorption capacities at equilibrium dye concentrations of 100 mg/l were compared and it was found that the biomass exhibited a significant affinity for each dye. The potential use of this biosorptive material in the bioremediation of textile processing effluents is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00009028
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  • 8
    Electronic Resource
    Electronic Resource
    Comparison of white-rot fungi cultures for decolorization of textile dyestuffs (2000)
    Springer
    Bioprocess engineering 22 (2000), S. 347-351 
    Details
    ISSN: 0178-515X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract Four different white rot fungi cultures were used for decolorization of five different textile dyestuffs. Phanerochaeta chrysosporium 671.71, P. chrysosporium MUCL, Coriolus versicolor and C. versicolor MUCL cultures effectively decolorized Everzol Yellow 4GL, Everzol Red RBN, D. Orange K-GL, Everdirect Supra yellow PG and Everzol Turquoise Blue G textile dyestuffs in shake flasks within 9 days of incubation period. Decolorization efficiencies obtained with P. chrysosporium were above 90% for all dyestuffs tested. C. versicolor cultures resulted in varying degree of decolorization efficiencies between 34% and 100%.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004490050742
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