Jose Neptuno
Rodriguez Lopez
Catedraticos de Universidad
Ramón
Varón Castellanos
Publications by the researcher in collaboration with Ramón Varón Castellanos (48)
2014
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Indirect inactivation of tyrosinase in its action on 4-tert-butylphenol
Journal of Enzyme Inhibition and Medicinal Chemistry, Vol. 29, Núm. 3, pp. 344-352
2013
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Hydrogen peroxide helps in the identification of monophenols as possible substrates of tyrosinase
Bioscience, Biotechnology and Biochemistry, Vol. 77, Núm. 12, pp. 2383-2388
2012
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Hydroxylation of p-substituted phenols by tyrosinase: Further insight into the mechanism of tyrosinase activity
Biochemical and Biophysical Research Communications, Vol. 424, Núm. 2, pp. 228-233
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Kinetic characterisation of o-aminophenols and aromatic o-diamines as suicide substrates of tyrosinase
Biochimica et Biophysica Acta - Proteins and Proteomics, Vol. 1824, Núm. 4, pp. 647-655
2011
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Catalytic oxidation of o-aminophenols and aromatic amines by mushroom tyrosinase
Biochimica et Biophysica Acta - Proteins and Proteomics, Vol. 1814, Núm. 12, pp. 1974-1983
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Kinetic cooperativity of tyrosinase. A general mechanism
Acta Biochimica Polonica, Vol. 58, Núm. 3, pp. 303-311
2010
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New features of the steady-state rate related with the initial concentration of substrate in the diphenolase and monophenolase activities of tyrosinase
Journal of Mathematical Chemistry, Vol. 48, Núm. 2, pp. 347-362
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Quantification of the antioxidant capacity of different molecules and their kinetic antioxidant efficiencies
Journal of Agricultural and Food Chemistry, Vol. 58, Núm. 4, pp. 2062-2070
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Some kinetic properties of deoxytyrosinase
Journal of Molecular Catalysis B: Enzymatic, Vol. 62, Núm. 2, pp. 173-182
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Suicide inactivation of the diphenolase and monophenolase activities of Tyrosinase
IUBMB Life, Vol. 62, Núm. 7, pp. 539-547
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Tyrosinase inactivation in its action on dopa
Biochimica et Biophysica Acta - Proteins and Proteomics, Vol. 1804, Núm. 7, pp. 1467-1475
2009
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Generation of hydrogen peroxide in the melanin biosynthesis pathway
Biochimica et Biophysica Acta - Proteins and Proteomics, Vol. 1794, Núm. 7, pp. 1017-1029
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Stereospecific inactivation of tyrosinase by l- and d-ascorbic acid
Biochimica et Biophysica Acta - Proteins and Proteomics, Vol. 1794, Núm. 2, pp. 244-253
2007
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A further step in the kinetic characterisation of the tyrosinase enzymatic system
Journal of Mathematical Chemistry, Vol. 41, Núm. 4, pp. 393-406
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A review on spectrophotometric methods for measuring the monophenolase and diphenolase activities of tyrosinase
Journal of Agricultural and Food Chemistry, Vol. 55, Núm. 24, pp. 9739-9749
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Effect of tetrahydropteridines on the monophenolase and diphenolase activities of tyrosinase
Journal of Enzyme Inhibition and Medicinal Chemistry, Vol. 22, Núm. 4, pp. 383-394
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Kinetic characterization of the oxidation of chlorogenic acid by polyphenol oxidase and peroxidase. Characteristics of the o-quinone
Journal of Agricultural and Food Chemistry, Vol. 55, Núm. 3, pp. 920-928
2006
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Calculating molar absorptivities for quinones: Application to the measurement of tyrosinase activity
Analytical Biochemistry, Vol. 351, Núm. 1, pp. 128-138
2005
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Interpretation of the reactivity of peroxidase compound II with phenols and anilines using the Marcus equation
Biological Chemistry, Vol. 386, Núm. 4, pp. 351-360
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Kinetic study of monophenol and o-diphenol binding to oxytyrosinase
Journal of Molecular Catalysis B: Enzymatic, Vol. 32, Núm. 5-6, pp. 185-192