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Related Concept Videos

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...
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...

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Related Experiment Video

Updated: Jun 6, 2026

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification
10:37

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification

Published on: November 15, 2017

Instruments and methods in proteomics.

Caroline May1, Frederic Brosseron, Piotr Chartowski

  • 1Department of Functional Proteomics, Medizinisches Proteom-Center, Ruhr-Universität Bochum, Bochum, Germany.

Methods in Molecular Biology (Clifton, N.J.)
|November 11, 2010
PubMed
Summary
This summary is machine-generated.

Recent advances in proteomics instrumentation and methods enable detailed analysis of complex biological samples. This review covers key techniques, including gel electrophoresis and mass spectrometry, for quantifying protein expression differences.

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Area of Science:

  • Proteomics
  • Biochemistry
  • Analytical Chemistry

Background:

  • Proteomics has seen significant advancements in instrumentation and methodology over the last decade.
  • Investigating complex biological samples from cell cultures, tissues, and organisms is crucial in biological research.

Purpose of the Study:

  • To provide an overview of state-of-the-art techniques in proteomics.
  • To highlight improvements in quantifying protein expression differences between various biological samples.
  • To introduce key techniques including gel-based separation and mass spectrometry.

Main Methods:

  • Gel-based protein separation techniques.
  • Mass spectrometry-based proteomics.
  • Comparative proteomic analysis.

Main Results:

  • Significant developments in instrumentation and methodology enhance proteomic investigations.
  • Improved techniques allow for precise quantification of protein expression variations.
  • Gel-based methods and mass spectrometry are key tools in modern proteomics.

Conclusions:

  • The field of proteomics offers powerful tools for analyzing complex biological systems.
  • Advancements facilitate the study of protein expression in health and disease.
  • This review provides insight into essential proteomics techniques.