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相关概念视频

Sample Preparation for Analysis: Overview01:21

Sample Preparation for Analysis: Overview

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Sample preparation is an essential step in the analytical process. It involves preparing a sample so that it can be analyzed accurately. The goal is to extract the analyte, the substance you want to measure, from the sample while removing any components that may interfere with the analysis. Sample preparation techniques vary depending on the physical state of the sample.
Bulk or large solid samples are typically reduced in size using grinding, crushing, or milling techniques to increase the...
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A Strategy for Sensitive, Large Scale Quantitative Metabolomics
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最佳样本准备工作流程用于基于定量质谱的低范围研究.

Sara Kassem1,2, Paula Díez3,4,5

  • 1Department of Immunology, Leiden University Medical Center (LUMC), Leiden, The Netherlands.

Methods in molecular biology (Clifton, N.J.)
|December 23, 2024
PubMed
概括

本研究介绍了一种标准化的质谱 (MS) 工作流程,用于分析有限的细胞样本. 该协议简化了非蛋白质组学专家的样本准备,使得基于TMT的定量分析成为可能.

关键词:
细胞溶解是细胞的溶解.细胞存储储存储的方法质谱测量质量谱测量蛋白质量化量化的蛋白质量.蛋白质组学样本准备方法数量有限的样本.在 SP3 技术方面,SP3 是一项非常重要的技术.坦德姆群体标签 坦德姆群体标签

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科学领域:

  • 生物化学 生化学
  • 分析化学 分析化学
  • 分子生物学分子生物学

背景情况:

  • 质谱法 (MS) 允许高通量蛋白质的表征.
  • 进步使低细胞数量,包括单细胞的深度蛋白质组分析成为可能.
  • 对于非蛋白质组学专家来说,缺乏标准化的协议.

研究的目的:

  • 详细介绍一个可复制和易于实施的细胞有限样本准备工作流程.
  • 为更广泛的受众提供基于TMT的相对定量MS分析.
  • 为解决低输入蛋白质组学中标准化协议的需求.

主要方法:

  • 细胞存储和处理协议.
  • 类标签技术. 类标签技术.
  • 基于TMT的相对定量质谱分析.

主要成果:

  • 一个标准化,易于实施的工作流程,用于细胞有限的样本准备.
  • 从低细胞数量成功进行基于TMT的相对定量MS分析.
  • 从描述的协议中可重现的结果.

结论:

  • 开发的工作流程简化了MS的低输入样本准备.
  • 该协议授权非蛋白质组学专家进行定量蛋白质组学分析.
  • 标准化提高了单细胞和低细胞数蛋白质组的可访问性和可靠性.