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相关概念视频

Electrospray Ionization (ESI) Mass Spectrometry01:12

Electrospray Ionization (ESI) Mass Spectrometry

Higher molecular weight biomolecules are nonvolatile compounds that may decompose before ionizing or vaporizing during mass analysis with conventional electron impact ionization methods. Accordingly, electrospray ionization (ESI) is the favored method for vaporizing and ionizing biomolecules as it circumvents rapid fragmentation and enables the recording of mass signals for the entire biomolecule.
ESI utilizes electrical energy to transfer ions from the liquid phase of the sample into the...

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相关实验视频

Updated: Jun 16, 2026

Digital Microfluidics for Automated Proteomic Processing
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高通量纳米流蛋白质学使用双列电子喷雾源.

An Staes1,2,3, Katie Boucher1,2,3, Sara Dufour1,2,3

  • 1VIB Center for Medical Biotechnology, Technologiepark-Zwijnaarde 75, B9052 Ghent, Belgium.

Analytical chemistry
|April 22, 2024
PubMed
概括
此摘要是机器生成的。

双列纳米LC-MS增强了蛋白质组分析的吞吐量. 一个双出口的电子喷雾源设置,在不牺牲灵敏度的情况下,将吞吐量增加一倍,这对于临床和单细胞蛋白质组学至关重要.

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Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification
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2 in 1: One-step Affinity Purification for the Parallel Analysis of Protein-Protein and Protein-Metabolite Complexes
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10:55

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科学领域:

  • 蛋白质组学是指蛋白质组学.
  • 分析化学 分析化学
  • 质谱测量质量谱测量

背景情况:

  • 临床和单细胞蛋白质组学需要高吞吐量和灵敏度.
  • 质谱学 (MS) 的进步增加了灵敏度,使得更短的液态染色学 (LC) 方法成为可能.
  • 最大化分析吞吐量对于处理大量样本数量至关重要.

研究的目的:

  • 为了评估一个双列纳米LC-MS设置与两个出口电喷喷源.
  • 为了比较其性能与经典的双列设置与单个出口源.
  • 为了确定是否可以在不影响灵敏度的情况下将吞吐量增加一倍.

主要方法:

  • 实现一个双列纳米LC-MS系统.
  • 使用一个双出口的电喷射电离源.
  • 分析性能与单个出口源配置的比较.

主要成果:

  • 双列设置与两个输出源证明了两倍的吞吐量.
  • 保持了灵敏度,允许进行深度蛋白质组分析.
  • 这种配置对于处理低输入样本是有效的.

结论:

  • 一个双列纳米LC-MS设置与一个双出口电喷喷源有效地加倍分析吞吐量.
  • 这种方法保持了高灵敏度,这对于临床和单细胞蛋白质组学至关重要.
  • 优化的配置提高了蛋白质组分析的效率.