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单词 isocratic
释义

Definition of isocratic in English:

isocratic

adjectiveˌʌɪsə(ʊ)ˈkratɪkˌīsəˈkradik
Chemistry
  • (of a chromatographic method) involving a mobile phase whose composition is kept constant and uniform.

    〔化〕(色析法)恒溶剂的

    Example sentencesExamples
    • The upper-left chromatogram shows the separation of a mixture of 16 amino acids using isocratic conditions.
    • The proteins were eluted by applying an isocratic flow of 40 ml buffer A followed by a linear gradient of 50% buffer B in 60 min.
    • Nitrate analysis was performed with an isocratic high-performance liquid chromatography method with UV-detection.
    • Because isocratic elution with the varied composition of the mobile phase gave unsatisfactory results, the gradient elution was applied.
    • California poppy extracts were separated using an isocratic gradient of methanol.

Origin

Early 19th century: from Greek isokratia 'equality of power' (from isos 'equal' + kratos 'strength') + -ic.

Definition of isocratic in US English:

isocratic

adjectiveˌīsəˈkradik
Chemistry
  • (of a chromatographic method) involving a mobile phase whose composition is kept constant and uniform.

    〔化〕(色析法)恒溶剂的

    Example sentencesExamples
    • Because isocratic elution with the varied composition of the mobile phase gave unsatisfactory results, the gradient elution was applied.
    • The proteins were eluted by applying an isocratic flow of 40 ml buffer A followed by a linear gradient of 50% buffer B in 60 min.
    • Nitrate analysis was performed with an isocratic high-performance liquid chromatography method with UV-detection.
    • California poppy extracts were separated using an isocratic gradient of methanol.
    • The upper-left chromatogram shows the separation of a mixture of 16 amino acids using isocratic conditions.

Origin

Early 19th century: from Greek isokratia ‘equality of power’ (from isos ‘equal’ + kratos ‘strength’) + -ic.

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更新时间:2024/9/21 15:40:15