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词汇 pyrene
释义

Definition of pyrene in English:

pyrene

noun ˈpʌɪriːnˈpīrēn
mass nounChemistry
  • A crystalline aromatic hydrocarbon present in coal tar.

    〔化〕芘,嵌二萘

    A tetracyclic compound; chemical formula: C₁₆H₁₀

    Example sentencesExamples
    • The fluorescence methods include quenching, pyrene excimer formation, and RET.
    • The concentration of pyrene in the lipid bilayer as well as the temperature were similar in experiment and simulations.
    • The biological half-life of pyrene absorbed via the respiratory tract is 9.8 hr.
    • To this purpose we have considered four dyes, namely: indo - 1, rhodamine 6G, fluorescein, and pyrene.
    • Potential effects of other probes such as pyrene are briefly discussed.

Origin

Mid 19th century: from Greek pur 'fire' + -ene.

Definition of pyrene in US English:

pyrene

nounˈpīrēn
Chemistry
  • A crystalline aromatic hydrocarbon present in coal tar.

    〔化〕芘,嵌二萘

    A tetracyclic compound; chemical formula: C₁₆H₁₀

    Example sentencesExamples
    • To this purpose we have considered four dyes, namely: indo - 1, rhodamine 6G, fluorescein, and pyrene.
    • The biological half-life of pyrene absorbed via the respiratory tract is 9.8 hr.
    • Potential effects of other probes such as pyrene are briefly discussed.
    • The concentration of pyrene in the lipid bilayer as well as the temperature were similar in experiment and simulations.
    • The fluorescence methods include quenching, pyrene excimer formation, and RET.

Origin

Mid 19th century: from Greek pur ‘fire’ + -ene.

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