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词汇 isopycnic
释义

Definition of isopycnic in English:

isopycnic

adjective ˌʌɪsə(ʊ)ˈpɪknɪkˌīsəˈpiknik
Biochemistry
  • Of or denoting ultracentrifugal separation techniques making use of differences in density between the components of a mixture.

    〔生化〕等密的, 恒密的

    Example sentencesExamples
    • DNA synthesized during the recovery period was then isolated and quantitated in isopycnic alkali CsCl gradients.
    • Mitochondrial and nuclear DNA were separated by CsCl-bisbenzimide isopycnic centrifugation, with mtDNA forming a single A + T - rich band.
    • DNA was subsequently purified by isopycnic centrifugation in caesium chloride.
    • To generate a partial mtDNA genomic library, mtDNA was isolated according to Barriga Sosa et al., followed by CsCl isopycnic centrifugation.

Origin

Late 19th century: from iso- 'equal' + Greek puknos 'dense' + -ic.

Definition of isopycnic in US English:

isopycnic

adjectiveˌīsəˈpiknik
Biochemistry
  • Of or denoting ultracentrifugal separation techniques making use of differences in density between the components of a mixture.

    〔生化〕等密的, 恒密的

    Example sentencesExamples
    • DNA was subsequently purified by isopycnic centrifugation in caesium chloride.
    • Mitochondrial and nuclear DNA were separated by CsCl-bisbenzimide isopycnic centrifugation, with mtDNA forming a single A + T - rich band.
    • DNA synthesized during the recovery period was then isolated and quantitated in isopycnic alkali CsCl gradients.
    • To generate a partial mtDNA genomic library, mtDNA was isolated according to Barriga Sosa et al., followed by CsCl isopycnic centrifugation.

Origin

Late 19th century: from iso- ‘equal’ + Greek puknos ‘dense’ + -ic.

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