V2EX mass spectrometry

Mass Spectrometry

释义 Definition

质谱法 / 质谱分析:一种分析技术,通过把分子电离成带电粒子(离子),再按质荷比(m/z)分离并检测,从而用于鉴定物质、测定分子量、解析结构及进行定量分析。常用于化学、生物、药物、环境与法医学等领域。

发音 Pronunciation (IPA)

/ms spktrmtri/

例句 Examples

Mass spectrometry can identify unknown compounds in a sample.
质谱分析可以鉴定样品中的未知化合物。

Coupled with liquid chromatography, mass spectrometry provides highly sensitive measurements of metabolites in complex biological fluids.
与液相色谱联用时,质谱能够对复杂生物流体中的代谢物进行高灵敏度测定。

词源 Etymology

mass(质量)+ spectrometry(光谱测量法)。spectrometry 来自 spectrum(“谱、光谱”,源自拉丁语 spectrum “影像、显现”)+ -metry(“测量”,源自希腊语 metron “尺度、测量”)。合起来字面意思是“对质量相关‘谱’进行测量”,在现代科学语境中特指对离子按质荷比形成“谱图”并进行测量分析的方法。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • Mass Spectrometry: Principles and Applications(de Hoffmann & Stroobant)
  • Introduction to Mass Spectrometry: Instrumentation, Applications, and Strategies for Data Interpretation(J. Throck Watson & O. David Sparkman)
  • Principles of Instrumental Analysis(Skoog, Holler & Crouch)
  • Lehninger Principles of Biochemistry(Nelson & Cox)
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