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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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Standard Enthalpy of Formation02:37

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Enthalpy changes are typically tabulated for reactions in which both the reactants and products are at the same conditions. A standard state is a commonly accepted set of conditions used as a reference point for the determination of properties under other different conditions. For chemists, the IUPAC standard state refers to materials under a pressure of 1 bar and solutions at 1 M and does not specify a temperature. Many thermochemical tables list values with a standard state of 1 atm. Because...
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On comparing the reactivity of silver and lead, it is observed that the two ionic species, Ag+ (aq) and Pb2+ (aq), show a difference in their redox reactivity towards copper: the silver ion undergoes spontaneous reduction, while the lead ion does not. This relative redox activity can be easily quantified in electrochemical cells by a property called cell potential. This property is commonly known as cell voltage in electrochemistry, and it is a measure of the energy which accompanies the charge...
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Every measurement provides three kinds of information: the size or magnitude of the measurement (a number), a standard of comparison for the measurement (a unit), and an indication of the uncertainty of the measurement. While the number and unit are explicitly represented when a quantity is written, the uncertainty is an aspect of the errors in the measurement results.
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Calculating Standard Free Energy Changes02:49

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The free energy change for a reaction that occurs under the standard conditions of 1 bar pressure and at 298 K is called the standard free energy change. Since free energy is a state function, its value depends only on the conditions of the initial and final states of the system. A convenient and common approach to the calculation of free energy changes for physical and chemical reactions is by use of widely available compilations of standard state thermodynamic data. One method involves the...
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Standard solutions refer to solutions with a precisely known concentration or composition. A primary standard is a highly pure, high molar mass, stable substance that is entirely soluble in water, the most commonly used solvent in analytical chemistry. The primary standard solution can be used to standardize secondary standards, which are substances with known concentrations but are less pure and stable. Standard solutions are essential for achieving accurate and reliable results in analytical...
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Updated: Jan 23, 2026

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
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Unlocking the Next Decade of Proteomics with Standardized, Structured Metadata.

Tim Van Den Bossche1,2, Ananth Prakash3, Tine Claeys1,2

  • 1VIB Center for Medical Biotechnology, VIB, Ghent 9052, Belgium.

Journal of Proteome Research
|January 21, 2026
PubMed
Summary
This summary is machine-generated.

Limited metadata hinders proteomics data reuse. A coordinated plan involving funders, standards bodies, and researchers is proposed to improve metadata annotation for enhanced data value.

Keywords:
HUPO-PSISDRF-Proteomicsfundersmetadatarepositoriessoftwarestandardsvendors

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Area of Science:

  • Proteomics
  • Bioinformatics
  • Data Science

Background:

  • The proteomics field emphasizes data sharing, but lacks comprehensive metadata for biological samples and experimental design.
  • Limited metadata restricts the large-scale reuse and reinterpretation of proteomics datasets.

Purpose of the Study:

  • To propose a coordinated strategy for significantly enhancing metadata annotation in publicly shared proteomics data.
  • To address the challenges hindering the adoption of metadata standards like SDRF-Proteomics.

Main Methods:

  • The study outlines a multi-stakeholder approach involving funders, standards organizations (HUPO-PSI), repositories (ProteomeXchange), data producers, instrument vendors, software developers, and journals.
  • Emphasis is placed on developing sustainable infrastructure, embedding metadata into workflows, and enforcing compliance.

Main Results:

  • A plan is presented to improve the quality and structure of metadata accompanying proteomics datasets.
  • The plan aims to facilitate confident, automatic data reuse and reinterpretation by providing essential sample context and study design information.

Conclusions:

  • Improving metadata annotation is crucial for unlocking the full value of public proteomics data.
  • Collaborative efforts across the scientific ecosystem are necessary to build a robust metadata infrastructure for large-scale, context-aware data reuse.