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Related Concept Videos

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...
Peptide Identification Using Tandem Mass Spectrometry01:33

Peptide Identification Using Tandem Mass Spectrometry

Tandem mass spectrometry, also known as MS/MS or MS2, is an analytical technique that employs two mass analyzers. Essentially it is a series of mass spectrometers that helps isolate a particular biomolecule and then helps study its chemical properties.
This technique helps gather information regarding the protein from which the peptide was obtained and to study the peptides’ amino acid sequence. Identifying peptides from a complex mixture is an important component of the growing field of...
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 reduce chemical noise during analyte detection. 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...
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 electron 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 behind a...
Proteomics01:33

Proteomics

A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term proteomics...
Mass Spectrometers01:16

Mass Spectrometers

This lesson details the instrumentation of a mass spectrometer—a physical instrument to perform mass spectrometry on analyte molecules and record the characteristic mass spectra. This is achieved via three chief functions:

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Navigating the Mass Spectrometry-Based Proteomic Data Using Free Computational Tools
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Navigating the Mass Spectrometry-Based Proteomic Data Using Free Computational Tools

Published on: August 19, 2025

A mass spectrometry proteomics data management platform.

Vagisha Sharma1, Jimmy K Eng, Michael J Maccoss

  • 1Department of Genome Sciences, University of Washington, Seattle, Washington 98195, USA.

Molecular & Cellular Proteomics : MCP
|May 22, 2012
PubMed
Summary
This summary is machine-generated.

A new Mass Spectrometry Data Platform uses a relational database to manage complex proteomics data, overcoming file format obsolescence and improving data accessibility for biomedical research.

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Area of Science:

  • Biomedical Research
  • Proteomics
  • Data Management

Background:

  • Mass spectrometry-based proteomics experiments generate large, complex datasets.
  • Existing file-based data management systems suffer from poor annotation, ad hoc distribution, format obsolescence, and inefficient data querying.
  • The increasing volume and complexity of proteomics data necessitate improved data management solutions.

Purpose of the Study:

  • To present a relational database architecture and web application, the Mass Spectrometry Data Platform (MSDP).
  • To address the limitations of file-based data management in mass spectrometry proteomics.
  • To provide a unified system for importing, querying, and comparing data from disparate software pipelines.

Main Methods:

  • Developed a relational database architecture to unify proteomics data.
  • Created a web application for data querying and visualization.
  • Designed the system to import outputs from various software pipelines into core, extensible tables.

Main Results:

  • The Mass Spectrometry Data Platform unifies data from disparate sources into a core set of tables.
  • Enables efficient querying, viewing, and comparison of data across multiple experiments via a common web interface.
  • Overcomes issues of file format obsolescence and poor experimental annotation inherent in file-based systems.

Conclusions:

  • The Mass Spectrometry Data Platform offers a robust solution for managing complex mass spectrometry proteomics data.
  • Facilitates cross-experiment data analysis and comparison, enhancing research efficiency.
  • Provides an open-source, freely available tool to advance biomedical research data management.