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相关概念视频

Mass Spectrometry: Complex Analysis01:21

Mass Spectrometry: Complex Analysis

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Mass spectrometry is an important technique for the identification of pure compounds. However, it has some limitations for the analysis of complex mixtures, often due to excessive fragmentation making the spectrum too complicated to decipher. Mass spectrometry can be combined with suitable separation methods in sequence, forming hyphenated methods, which are useful in the analysis of complex mixtures.
GC–MS is a powerful hyphenated method commonly used in forensics and environmental...
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MALDI-TOF Mass Spectrometry01:19

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Mass spectrometry is a powerful characterization technique that can identify and separate a wide variety of compounds ranging from chemical to biological entities, based on their mass-to-charge ratio (m/z). The instruments that allow this detection, known as mass spectrometers, have three components: an ion source, a mass analyzer, and a detector. These spectrometers differ based on the nature of their ion source and analyzers.Matrix-assisted laser desorption ionization (MALDI) is a commonly...
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相关实验视频

Updated: Jan 15, 2026

Leaf Spray Mass Spectrometry: A Rapid Ambient Ionization Technique to Directly Assess Metabolites from Plant Tissues
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基于质谱的方法用于植物代谢物分析.

Ashwani Punia1,2, Satyakam1,2, Rajiv Kumar3,4

  • 1Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology (IHBT), Palampur, HP, India.

Methods in molecular biology (Clifton, N.J.)
|October 6, 2025
PubMed
概括

植物积累了特殊的代谢物,如黄和,以应对寒冷的压力. 本章详细介绍了植物代谢物概况,涵盖了提取和识别方法,以了解应力弹性.

关键词:
寒冷的压力是冷的压力.在GC-MS中使用GC-MS.这就是LC-MS.它的代谢物是代谢物.代谢学 代谢学 代谢学

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A Simple Fractionated Extraction Method for the Comprehensive Analysis of Metabolites, Lipids, and Proteins from a Single Sample
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科学领域:

  • 植物科学 植物科学
  • 生物化学 生化学
  • 代谢学 代谢学 代谢学

背景情况:

  • 寒冷和结是影响植物生长和生存的重大非生物压力.
  • 植物合成专门的代谢物,包括黄类,类,类,类和类,用于适应和防御.
  • 了解植物代谢物积累对于评估压力影响和弹性至关重要.

研究的目的:

  • 提供植物代谢物概况分析技术的简要概述.
  • 为了强调样本制备在代谢学中的重要性.
  • 审查各种提取和分析方法用于代谢物识别和量化.

主要方法:

  • 讨论样本采集,干燥和代谢物提取程序.
  • 对非挥发性化合物 (类化合物,沙素,素) 的液体溶剂提取方法的审查.
  • 对挥发性化合物的先进提取方法 (头空间分析,SPME) 和分析技术 (LC-MS,GC-MS) 的概述.

主要成果:

  • 样本准备被确定为影响代谢结果准确性的关键步骤.
  • 不同的提取方法适用于各种类型的植物代谢物.
  • 介绍LC-MS和GC-MS作为全面的代谢物分析的关键分析平台.

结论:

  • 精确的植物代谢物分析需要仔细考虑样本的准备和适当的提取技术.
  • 先进的分析方法允许详细识别和量化各种代谢物.
  • 代谢物分析对于研究植物对寒冷等环境压力的反应至关重要.