Results 191 to 200 of about 6,122,579 (225)
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Catalytic activity of laccase hosted in reversed micelles
Journal of Bioscience and Bioengineering, 2001Nanostructured reversed micelles induce a high laccase activity in organic solvents, because enzymes can maintain their highly dimensional structure in water pools of reversed micelles [RMs]. Laccase attracts considerable attention as a novel industrial enzyme due to its high capability to catalyze the oxidation of aromatic compounds.
J, Michizoe, M, Goto, S, Furusaki
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Journal of Biochemical and Biophysical Methods, 2000
The reactions between Laccase (extracted from China lacquer of Rhus vernicifera) and various substrates (3,4-Dihydroxybenzaldehyde, Guaiacol, Pyrogallol, Gallic acid) have been studied using LKB-2107 batch microcalorimetry system. Based on calorimetry, a new method has been proposed. Laccase activity and the Michaelis constant K(m) have been determined
T, Wang +4 more
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The reactions between Laccase (extracted from China lacquer of Rhus vernicifera) and various substrates (3,4-Dihydroxybenzaldehyde, Guaiacol, Pyrogallol, Gallic acid) have been studied using LKB-2107 batch microcalorimetry system. Based on calorimetry, a new method has been proposed. Laccase activity and the Michaelis constant K(m) have been determined
T, Wang +4 more
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Factors affecting the activation of pulps with laccase
Enzyme and Microbial Technology, 2010Activation of fibres by radical formation is the first step when aiming at oxidative coupling of new functional groups on the fibre bound lignin. In this work, factors affecting the amount of phenoxy radicals created to unbleached TMP, CTMP, softwood kraft and hardwood kraft pulp fibres in the laccase catalysed oxidation were determined by EPR. Laccase
Oksanen, Tarja +6 more
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On the occurrence of peroxidase and laccase activity in lichens
The Lichenologist, 2013AbstractIn our earlier work, we demonstrated that the oxidases tyrosinase and laccase occur widely in lichens from the Peltigerales. Recently, we discovered the occurrence of another oxidoreductase, a heme peroxidase, in the Peltigeralean ‘jelly lichens’ Leptogium and Collema. Here we present the results of a survey of peroxidase activity in a range of
Richard P. BECKETT +2 more
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Protein production and laccase activity in A. bisporus
Biotechnology Letters, 1982Correlations between laccase activity and some growth parameters of A. bisporus cultivation are reported. “In vivo” regulation of laccase activity by means of ferulic acid and chlorogenic acid and its relationship with growth parameters are pointed out; the effects of the treatments on carpophore production are preliminary evaluated.
G. Giovannozzi-Sermanni +2 more
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Laccase in pulp activation and functionalisation
2006The presence of surface lignin in pulp fibres offers possibilities to enhance the existing pulp properties or even to create completely new pulp properties by enzymatic means. Improving the properties of wood fibres is a constant interest of pulp, paper and board manufacturing industry. New methods for targeted modification of wood materials could also
Suurnäkki, Anna +4 more
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Monophenolase and polyphenolase activity of fungal laccase
Biochimica et Biophysica Acta, 1961openaire +2 more sources