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单词 quinone
释义

Definition of quinone in English:

quinone

noun ˈkwɪnəʊnkwɪˈnəʊnˈkwɪnoʊn
mass nounChemistry
  • 1

    another term for 1,4-benzoquinone (see benzoquinone)
    Example sentencesExamples
    • The chemical formula for quinone is C 6 H 4 O 2, and its molecular weight is 108.1 grams per mole.
    • The formation of the dimers is strongly favored by the contiguous presence of quinone and hydroquinone.
    1. 1.1count noun Any compound with the same ring structure as 1,4-benzoquinone.
      Example sentencesExamples
      • This organic fraction contains polycyclic aromatic hydrocarbons, halogenated aromatic hydrocarbons, and quinones, including reactive oxygen species that produce a strong oxidative stress response.
      • Several kinds of compounds are activated under hypoxic conditions: aromatic and aliphatic N-oxides, quinones, nitroaromatics and organo-metallic compounds.
      • However, during infection and damage phenols and oxidases, such as peroxidase and tyrosinase, become decompartmentalized and could oxidize phenolic compounds to form antimicrobial quinones.
      • She said other researchers had shown that these ultrafine particles can carry toxic chemicals such as quinones and polycyclic aromatic hydrocarbons (PAHs).
      • Lapachol, a quinone, is a recognized antitumor agent found in the wood and barely in the bark.

Origin

Mid 19th century: from Spanish quina (see quinine) + -one.

 
 

Definition of quinone in US English:

quinone

nounˈkwɪnoʊnˈkwinōn
Chemistry
  • 1

    another term for 1,4-benzoquinone (see benzoquinone)
    Example sentencesExamples
    • The chemical formula for quinone is C 6 H 4 O 2, and its molecular weight is 108.1 grams per mole.
    • The formation of the dimers is strongly favored by the contiguous presence of quinone and hydroquinone.
    1. 1.1 Any compound with the same ring structure as 1,4-benzoquinone.
      Example sentencesExamples
      • This organic fraction contains polycyclic aromatic hydrocarbons, halogenated aromatic hydrocarbons, and quinones, including reactive oxygen species that produce a strong oxidative stress response.
      • However, during infection and damage phenols and oxidases, such as peroxidase and tyrosinase, become decompartmentalized and could oxidize phenolic compounds to form antimicrobial quinones.
      • Lapachol, a quinone, is a recognized antitumor agent found in the wood and barely in the bark.
      • She said other researchers had shown that these ultrafine particles can carry toxic chemicals such as quinones and polycyclic aromatic hydrocarbons (PAHs).
      • Several kinds of compounds are activated under hypoxic conditions: aromatic and aliphatic N-oxides, quinones, nitroaromatics and organo-metallic compounds.

Origin

Mid 19th century: from Spanish quina (see quinine) + -one.

 
 
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更新时间:2024/12/24 3:24:19