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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...
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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...
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Mass spectrometry is an important technique for the identification of pure compounds. However, it has some limitations for the analysis of complex mixtures, often due to excessive fragmentation making the spectrum too complicated to decipher. Mass spectrometry can be combined with suitable separation methods in sequence, forming hyphenated methods, which are useful in the analysis of complex mixtures.
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mzPeak: Designing a Scalable, Interoperable, and Future-Ready Mass Spectrometry Data Format.

Tim Van Den Bossche1,2, Theodore Alexandrov3,4, Aivett Bilbao5,6

  • 1Department of Biomolecular Medicine, Faculty of Medicine and Health Sciences, Ghent University, 9052 Ghent, Belgium.

Journal of Proteome Research
|October 2, 2025
PubMed
Summary
This summary is machine-generated.

A new data format, mzPeak, is proposed to manage the increasing complexity of mass spectrometry (MS) data. This format offers efficient storage and faster access for high-throughput omics research.

Keywords:
data formatslipidomicsmass spectrometrymetabolomicsproteomicsproteomics standards initiativestandards

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Area of Science:

  • Analytical Chemistry
  • Biochemistry
  • Data Science

Background:

  • Mass spectrometry (MS) instrumentation advances generate vast, complex data, challenging existing formats like mzML and imzML.
  • Current formats face issues with large file sizes, slow data access, and inadequate metadata support, hindering high-throughput omics studies.
  • Vendor-specific formats lack interoperability and long-term archival assurance.

Purpose of the Study:

  • Introduce mzPeak, a next-generation community data format for mass spectrometry.
  • Address challenges posed by increasing data volume and complexity in multidimensional MS workflows.
  • Provide a scalable and adaptable solution for evolving MS technologies and omics research.

Main Methods:

  • Develop mzPeak using a hybrid model combining efficient binary storage for numerical data.
  • Incorporate human- and machine-readable metadata storage within the mzPeak format.
  • Design mzPeak to reduce file sizes and accelerate data access for mass spectrometry data.

Main Results:

  • mzPeak is designed to significantly reduce file sizes compared to current open formats.
  • The new format promises accelerated data access, crucial for high-throughput mass spectrometry.
  • mzPeak offers improved metadata support and interoperability for diverse MS applications.

Conclusions:

  • mzPeak provides a sustainable, high-performance solution for mass spectrometry data management.
  • The format aims to foster collaboration and support regulatory compliance in omics research.
  • mzPeak is positioned to become a cornerstone for future mass spectrometry data types and workflows.