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相关概念视频

MALDI-TOF Mass Spectrometry01:19

MALDI-TOF Mass Spectrometry

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...
Mass Analyzers: Overview01:13

Mass Analyzers: Overview

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...
Mass Analyzers: Common Types01:19

Mass Analyzers: Common Types

The quadrupole mass analyzer consists of four cylindrical metal rods arranged in a diamond carrying a DC voltage and a radio-frequency AC voltage. The motion of ions through the quadrupole depends on the field strength, causing only ions of a certain m/z to resonate successfully and strike the detector at a given field strength. Though the transmission rate for these analyzers is high, the exact elemental composition of the sample is not determined because of low resolution; however, they are...
Statgraphics01:10

Statgraphics

Statgraphics is a comprehensive statistical software suite designed for both basic and advanced data analysis. Originating in 1980 at Princeton University under Dr. Neil W. Polhemus, it was one of the pioneering tools for statistical computing on personal computers, with its public release in 1982 marking an early milestone in data science software. Over the years, it has evolved into a robust platform for data science, offering tools for regression analysis, ANOVA, multivariate statistics,...

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多MSIProcessor:空间代谢学研究数据可视化和分析软件.

Siwei Bi1, Manjiangcuo Wang2, Qianlun Pu2

  • 1Department of Plastic and Burn Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China.

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概括
此摘要是机器生成的。

由于复杂的数据,质谱成像 (MSI) 分析具有挑战性. 多MSIProcessor (MMP) 软件为空间代谢学提供了一个解决方案,可以从各种生物样本中有效地发现生物标志物.

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科学领域:

  • 生物医学研究的研究.
  • 分析化学是一种分析化学.
  • 代谢学 代谢学 代谢学

背景情况:

  • 质谱成像 (MSI) 是生物医学研究中分子可视化的强大工具.
  • 分析复杂的,高维的MSI数据用于空间解析的代谢学和生物标志物发现,存在重大挑战.
  • 目前的方法难以从批量MSI数据集中挖掘与生物信息学相关的峰值.

研究的目的:

  • 引入多MSIProcessor (MMP),一种用于处理和分析质谱成像数据的新型软件.
  • 为空间代谢学提供一个全面的平台,整合数据处理,可视化和生物标志物发现.
  • 为了应对分析批量MSI数据的挑战,并使空间解析的新陈代谢学能够完成.

主要方法:

  • 开发多MSIProcessor (MMP) 软件,集成用于数据读取,可视化,处理和生物标志物发现的功能.
  • 支持多种数据输入格式,包括AFADESI-MSI,mzXML和imzmL,确保与各种MSI平台 (例如MALDI/SIMS-MSI) 的兼容性.
  • 应用MMP来分析具有复杂异质性的多个临床生物样本,证明其在数据质量评估和差异性峰值分析方面的能力.

主要成果:

  • MMP允许深度挖掘批量MSI数据,具有灵活的适应性和开源代码,用于个性化分析.
  • 证明了对异质临床生物样本的完整MSI分析工作流程的快速建立.
  • 成功选和注释差异性MS峰值,确定异常的代谢途径,并评估批量样本数据质量.

结论:

  • MMP提供了一个新的,可适应的平台,用于对多个样本的空间代谢学分析.
  • 该软件可提供全面的MSI数据分析,满足各种研究要求.
  • 通过空间解析的代谢学,MMP增强了生物标志物发现和对生物功能的理解.