Results 21 to 30 of about 19,268 (196)
Beyond brown: Polyphenol oxidases as enzymes of plant specialized metabolism
Frontiers in Plant Science, 2015 Most cloned and/or characterized plant polyphenol oxidases (PPOs) have catechol oxidase activity (i.e. they oxidize o-diphenols to o-quinones) and are localized or predicted to be localized to plastids.
Michael L Sullivan
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Molecules, 2022 Enzymes/Nanoparticles (NPs) bioconjugates are massively used nowadays to develop thin films for optical and electrochemical biosensors. Nevertheless, their full characterization as a thin coating onto electrodes remains little discussed, in particular ...
Rémy Savin +3 more
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A Novel Catechol Oxidase Enzyme Electrode for the Specific Determination of Catechol
Bioscience, Biotechnology, and Biochemistry, 1998 An enzyme electrode for the specific determination of catechol was developed by using catechol oxidase (EC 1.10.3.1) from eggplant (Solanum melangena L.) in combination with a dissolved oxygen probe. Optimization studies of the prepared catechol oxidase enzyme electrode established a phosphate buffer 50 mM at pH 7.0 and 35°C to provide the optimum ...
Dinckaya, E +5 more
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PHARMACOLOGICAL STUDIES ON VERNONIA AMYGDALINA (DEL) AND TITHONIA DIVERSIFOLIA (GRAY) [PDF]
Veterinary Medical Journal - Giza, 1994 The plants examined contained carbohydrates and for glucosides, catechol tannins, flavonoid glycosides, sterols and/or triterpenes, oxidase enzyme present or absent, lactones and /or esters and volatile substance.
A HAMOWIA, A SAFFAF
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THE GENETIC CONTROL AND BIOCHEMICAL MODIFICATION OF CATECHOL OXIDASE IN MAIZE [PDF]
Genetics, 1973 ABSTRACT Three isozyme variants of catechol oxidase have been shown to be determined by alleles of a gene, Cx, which has been located on chromosome 10 less than 0.1 recombination units from the endosperm marker du 1.—The extractable form of the enzyme is modified by an endogeneous "modifier" which appears to function as an enzyme ...
T, Pryor, D, Schwartz
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Bananas decrease acetaminophen potency in in vitro assays. [PDF]
PLoS ONE, 2018 Edible portions of bananas contain high levels of polyphenol oxidase, which catalyzes reactions in the melanin formation pathway. Tyrosine, a physiological substrate of polyphenol oxidase, has an analogous structure to acetaminophen.
Yoshihiro Uesawa, Naotaka Tsuji
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Chemosensors, 2014 Inhibition-based biosensors were developed by immobilizing tyrosinase (Tyr, polyphenol oxidase) from the crude extract of avocado fruit on electrochemically prepared polypyrrole (PPy) films.
André Brisolari, Débora Gonçalves
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Química Nova, 2016 This work applies the Density Functional Theory (DFT) to study binuclear complexes of Mn2+ with the ligand 2-hydroxibenzilglycine and its substituted derivatives. The results showed the isomer 2 with multiplicity 11-ete as the most stable between all the
Everton T. da Silva +2 more
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eNeurologicalSci, 2020 Background: Dopamine replacement therapy is an established treatment for motor symptoms of Parkinson's disease, but its long-term use is often limited by the eventual development of motor complications, including levodopa-induced dyskinesia.
Shoko Kakinuma +19 more
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Developmental changes in human dopamine neurotransmission: cortical receptors and terminators
BMC Neuroscience, 2012 Background Dopamine is integral to cognition, learning and memory, and dysfunctions of the frontal cortical dopamine system have been implicated in several developmental neuropsychiatric disorders.
Rothmond Debora A +2 more
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