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单词 dopa
释义

Definition of dopa in English:

dopa

noun ˈdəʊpəˈdōpə
mass nounBiochemistry
  • A compound which is present in nervous tissue as a precursor of dopamine, used in the treatment of Parkinson's disease.

    An amino acid; alternative name: dihydroxyphenylalanine; chemical formula: C₉H₁₁NO₄

    See also l-dopa
    Example sentencesExamples
    • Since dopa is a precursor for cuticle formation and melanin biosynthesis, genes involved in monoamine metabolism also have pleiotropic effects on scleratization and pigmentation.
    • He was able to reverse this effect by giving the animals dopa, the amino acid precursor for dopamine.
    • Betacynin biosynthesis starts by the oxidation of tyrosine to dopa by a tyrosine hydroxylase.
    • The addition of norepinephrine, epinephrine, dopamine, and dopa to the cultures of E. coli resulted in increased growth when compared to non-catecholamine-supplemented control cultures.
    • They have measured the second-order electron transfer rate constants for reactions of dopa and c-dopa melanins with various radicals.

Origin

Early 20th century: from German, acronym from the systematic name.

 
 

Definition of dopa in US English:

dopa

nounˈdōpə
Biochemistry
  • A compound which is present in nervous tissue as a precursor of dopamine, used in the treatment of Parkinson's disease.

    An amino acid; alternative name: dihydroxyphenylalanine; chemical formula: C₉H₁₁NO₄

    See also l-dopa
    Example sentencesExamples
    • They have measured the second-order electron transfer rate constants for reactions of dopa and c-dopa melanins with various radicals.
    • He was able to reverse this effect by giving the animals dopa, the amino acid precursor for dopamine.
    • The addition of norepinephrine, epinephrine, dopamine, and dopa to the cultures of E. coli resulted in increased growth when compared to non-catecholamine-supplemented control cultures.
    • Betacynin biosynthesis starts by the oxidation of tyrosine to dopa by a tyrosine hydroxylase.
    • Since dopa is a precursor for cuticle formation and melanin biosynthesis, genes involved in monoamine metabolism also have pleiotropic effects on scleratization and pigmentation.

Origin

Early 20th century: from German, acronym from the systematic name.

 
 
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更新时间:2025/1/26 17:51:05