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Gastrointestinal (GI) diagnostic studies are pivotal in confirming, ruling out, diagnosing, or staging various diseases, including cancers. Following diagnosis, allocating time for discussions with the patient and providing informational resources is crucial. Diagnostic assessments of the GI tract often occur in outpatient settings like endoscopy suites or GI labs. Preparation for these tests may include dietary restrictions, fasting, liquid bowel preparations, laxatives, enemas, and the...
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Related Experiment Video

Updated: Apr 17, 2026

Breath Collection from Children for Disease Biomarker Discovery
06:09

Breath Collection from Children for Disease Biomarker Discovery

Published on: February 14, 2019

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[Pathology diagnostics by human breath analyze].

F Iu Kopylov, A L Syrkin, P Sh Chomakhidze

    Klinicheskaia Meditsina
    |February 21, 2015
    PubMed
    Summary

    Analyzing exhaled breath offers a cost-effective screening method for diseases. Specific volatile organic compounds in breath can serve as biomarkers for cardiovascular pathology and lung cancer.

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    Area of Science:

    • Biochemistry
    • Analytical Chemistry
    • Medical Diagnostics

    Context:

    • The need for rapid, inexpensive screening technologies in modern medicine is significant.
    • Exhaled breath contains thousands of volatile organic compounds (VOCs) that vary between healthy individuals and those with disease.
    • Current diagnostic methods often lack the speed and cost-effectiveness required for widespread screening.

    Purpose:

    • To explore the potential of analyzing exhaled breath for disease diagnosis.
    • To identify specific volatile organic compounds (VOCs) in exhaled air that can serve as biomarkers for cardiovascular pathology.
    • To evaluate the suitability of ion mobility spectrometry (IMS) for rapid screening of exhaled breath components.

    Summary:

    • Specific compounds like nitric oxide, carbon monoxide, pentane, isoprene, and acetone were identified as potential biomarkers for cardiovascular disease in exhaled air.
    • Ion mobility spectrometry (IMS) is highlighted as a highly suitable technique for screening due to its speed, sensitivity, portability, and ability to detect trace substances.
    • The study also considers the application of exhaled air analysis for diagnosing lung cancer.

    Impact:

    • This research could lead to the development of novel, non-invasive diagnostic tools for cardiovascular diseases and lung cancer.
    • The proposed breath analysis method offers a low-cost, rapid screening alternative to existing diagnostic technologies.
    • Advancements in breath analysis technology can significantly improve early disease detection and patient outcomes.