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.
- 1.1count 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.