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Updated: Apr 27, 2026

Breath Collection from Children for Disease Biomarker Discovery
Published on: February 14, 2019
Breath analysis in disease diagnosis: methodological considerations and applications
Célia Lourenço1, Claire Turner2
1Department of Life, Health & Chemical Sciences, Chemistry and Analytical Sciences, The Open University, Walton Hall, Milton Keynes, MK7 6AA, UK. celia.lourenco@open.ac.uk.
Breath analysis offers a non-invasive method for disease diagnosis by measuring volatile organic compounds (VOCs). Standardization of breath testing is crucial for its clinical adoption.
Area of Science:
- Analytical Chemistry
- Biochemistry
- Medical Diagnostics
Background:
- Breath analysis is a rapidly advancing field for non-invasive disease diagnosis.
- Volatile organic compounds (VOCs) in breath serve as biomarkers for various health conditions.
- Current challenges include standardizing sample collection and analytical methods for clinical application.
Purpose of the Study:
- To review recent scientific developments in breath analysis for disease diagnosis.
- To highlight the diagnostic potential of breath analysis, focusing on sampling and biochemical aspects.
- To discuss considerations for implementing breath tests in clinical practice, including metabolomics.
Main Methods:
- Review of current scientific literature on breath analysis techniques and applications.
- Discussion of analytical methods for VOC detection, emphasizing sensitivity, accuracy, and precision.
- Exploration of multivariate statistical methods for breath fingerprinting.
Main Results:
- Breath analysis using advanced analytical techniques can accurately detect VOCs.
- Multivariate statistics aid in identifying disease-specific breath profiles.
- Standardization remains a key barrier to widespread clinical use.
Conclusions:
- Breath analysis holds significant promise for early and non-invasive disease detection.
- Further research and standardization are needed to translate breath analysis into routine clinical practice.
- The integration of metabolomics is essential for interpreting complex breath profiles.
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