工作流4代谢学 (W4M):一个用户友好的代谢学平台,用于分析质谱和核磁共振数据

相关实验视频

Updated: May 28, 2025

A Strategy for Sensitive, Large Scale Quantitative Metabolomics
14:18

A Strategy for Sensitive, Large Scale Quantitative Metabolomics

Published on: May 27, 2014

20.9K

Cédric Delporte1,2, Marie Tremblay-Franco3,4,2, Yann Guitton5

  • 1Pharmacognosy, Bioanalysis and Drug Development & Analytical Platform (APFP), Faculty of Pharmacy, Université libre de Bruxelles (ULB), Brussels, Belgium.

Current protocols
|February 14, 2025
PubMed
概括

工作流4代谢学 (W4M) 平台提供可访问的生物信息学工作流,用于处理和分析LC-MS,GC-MS和NMR的代谢学数据. 这个用户友好的工具简化了全球研究人员的复杂数据分析.

关键词:
在GCMS中使用.在 LCMS 中使用.这是NMR的NMR.标注注释 标注注释化学测量方法 化学测量方法统计 统计 统计 统计 统计没有目标的代谢学.

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Tandem Mass Spectrometry01:21

Tandem Mass Spectrometry

Tandem mass spectrometry is a technique that uses multiple mass analyzers in series to obtain a higher selectivity and signal-to-noise ratio for the analyte. Instruments with multiple analyzers separated by an interaction cell enable secondary fragmentation and selected study of the fragment ions.
Secondary fragmentations occur in the interaction cell and can be induced by various factors. Fragmentation induced by collision with inert gases, such as N2, Ar, He, etc., is called collision-induced...
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Mass Spectrometry: Complex Analysis01:21

Mass Spectrometry: Complex Analysis

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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Mass Spectrometry: Overview01:19

Mass Spectrometry: Overview

Mass spectrometry is an analytical technique used to determine the molecular mass and molecular formula of a compound. The basic principle of mass spectrometry is to generate ions from the analyte molecule and measure these ion abundances against their molecular mass.  One common type of ionization, known as electrospray ionization or EI, bombards the analyte molecules in the gas phase with high-energy electron beams. The electron beams displace an electron from the molecule and leave...
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Mass Spectrometers

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The mass analyzer is a crucial component of the mass spectrometer. In the ionization chamber, the vaporized sample is bombarded with a high-energy electron beam to generate a radical cation and further fragment into neutral molecules, radicals, and cations. A series of negatively charged accelerator plates accelerate the cations into the mass analyzer. The mass analyzer separates ions according to their mass-to-charge (m/z) ratios and then directs them to the detector. The common types of mass...
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