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Related Concept Videos

Proteomics01:33

Proteomics

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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...
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Photoluminescence: Applications01:14

Photoluminescence: Applications

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Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
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Radiation: Applications01:17

Radiation: Applications

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The average temperature of Earth is the subject of much current discussion. Earth is in radiative contact with both the Sun and dark space; it receives almost all its energy from the radiation of the Sun and reflects some of it into outer space. Dark space is very cold, about 3 K, so Earth radiates energy into it. For instance, heat transfer occurs from soil and grasses, the rate of which can be so rapid that frost can occur on clear summer evenings, even in warm latitudes.
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Applications of Stress01:04

Applications of Stress

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Consider a structure made of a boom and a rod designed to support a load. These two components are connected by a pin and stabilized by brackets and pins. The boom and the rod are detached from their supports to assess the different stresses imposed on this structure, and a free-body diagram is drawn. Then, all the forces applied, including the load acting on the structure, are identified. The reaction forces exerted on both the boom and the rod are computed using the equilibrium equations.
The...
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Environmental Applications of Microorganisms01:30

Environmental Applications of Microorganisms

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Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
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Application of Linearization and Approximation01:29

Application of Linearization and Approximation

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A drone flying through complex terrain often relies on more than one sensing method to estimate small changes in altitude. Along with direct measurements, air pressure provides a useful indirect indicator of vertical movement. Atmospheric pressure decreases as altitude increases, and this relationship is commonly described using an exponential model. Although accurate, converting pressure measurements into altitude values requires calculations that are too complex to perform repeatedly during...
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Updated: Jan 27, 2026

JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics
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Applications and challenges of forensic proteomics.

Eric D Merkley1, David S Wunschel1, Karen L Wahl1

  • 1Chemical and Biological Signature Sciences Group, Pacific Northwest National Laboratory, Richland, Washington, USA.

Forensic Science International
|April 2, 2019
PubMed
Summary

Proteomics, the study of proteins, offers powerful forensic applications beyond genomics. Mass spectrometry can identify biological samples and their conditions, even when DNA is degraded.

Keywords:
BioinformaticsForensic scienceForensic serologyMass spectrometryProteinProtein toxinProteomicsTaxonomy

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Area of Science:

  • Forensic Science
  • Proteomics
  • Mass Spectrometry

Background:

  • Mass spectrometry-based proteomics is a mature technology with broad applications in basic biology.
  • Advances in instrumentation, databases, and data analysis enhance proteomics' potential.
  • Proteins offer genotype and phenotype information, complementing genomic data.

Purpose of the Study:

  • To review the role of proteomics in biological forensics.
  • To explore diverse forensic applications of mass spectrometry-based proteomics.
  • To identify challenges and future research directions in forensic proteomics.

Main Methods:

  • Introduction to mass spectrometry-based proteomics techniques.
  • Survey of various forensic applications.
  • Discussion of challenges and future research needs.

Main Results:

  • Proteomics can identify biological samples and characterize their conditions.
  • It serves as an orthogonal method to genomic analyses.
  • Proteomics is valuable when nucleic acids are absent, degraded, or uninformative.

Conclusions:

  • Mass spectrometry-based proteomics is poised to play a significant role in biological forensics.
  • Its broad applicability and specificity make it suitable for criminal justice, historical, archaeological, and national security.
  • Further research is crucial to fully realize the potential of proteomics in forensic science.