Human breath metabolomics using an optimized non-invasive exhaled breath condensate sampler

Konstantin O. Zamuruyev, Alexander A. Aksenov, Alberto Pasamontes, Joshua F. Brown, Dayna R. Pettit, Soraya Foutouhi, Bart C Weimer, Michael Schivo, Nicholas Kenyon, Jean Pierre Delplanque, Cristina E Davis

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Exhaled breath condensate (EBC) analysis is a developing field with tremendous promise to advance personalized, non-invasive health diagnostics as new analytical instrumentation platforms and detection methods are developed. Multiple commercially-available and researcher-built experimental samplers are reported in the literature. However, there is very limited information available to determine an effective breath sampling approach, especially regarding the dependence of breath sample metabolomic content on the collection device design and sampling methodology. This lack of an optimal standard procedure results in a range of reported results that are sometimes contradictory. Here, we present a design of a portable human EBC sampler optimized for collection and preservation of the rich metabolomic content of breath. The performance of the engineered device is compared to two commercially available breath collection devices: the RTube and TurboDECCS. A number of design and performance parameters are considered, including: condenser temperature stability during sampling, collection efficiency, condenser material choice, and saliva contamination in the collected breath samples. The significance of the biological content of breath samples, collected with each device, is evaluated with a set of mass spectrometry methods and was the primary factor for evaluating device performance. The design includes an adjustable mass-size threshold for aerodynamic filtering of saliva droplets from the breath flow. Engineering an inexpensive device that allows efficient collection of metalomic-rich breath samples is intended to aid further advancement in the field of breath analysis for non-invasive health diagnostic. EBC sampling from human volunteers was performed under UC Davis IRB protocol 63701-3 (09/30/2014-07/07/2017).

Original languageEnglish (US)
Article number016001
JournalJournal of Breath Research
Volume11
Issue number1
DOIs
StatePublished - Mar 1 2017

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Metabolomics
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Saliva
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Research Ethics Committees
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Keywords

  • breath analysis
  • exhaled breath condensate (EBC)
  • metabolomics
  • non-volatile organic compounds (non-VOCs)
  • portable non-invasive health diagnostic
  • volatile organic compounds (VOCs)

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

Cite this

Zamuruyev, K. O., Aksenov, A. A., Pasamontes, A., Brown, J. F., Pettit, D. R., Foutouhi, S., ... Davis, C. E. (2017). Human breath metabolomics using an optimized non-invasive exhaled breath condensate sampler. Journal of Breath Research, 11(1), [016001]. https://doi.org/10.1088/1752-7163/11/1/016001

Human breath metabolomics using an optimized non-invasive exhaled breath condensate sampler. / Zamuruyev, Konstantin O.; Aksenov, Alexander A.; Pasamontes, Alberto; Brown, Joshua F.; Pettit, Dayna R.; Foutouhi, Soraya; Weimer, Bart C; Schivo, Michael; Kenyon, Nicholas; Delplanque, Jean Pierre; Davis, Cristina E.

In: Journal of Breath Research, Vol. 11, No. 1, 016001, 01.03.2017.

Research output: Contribution to journalArticle

Zamuruyev KO, Aksenov AA, Pasamontes A, Brown JF, Pettit DR, Foutouhi S et al. Human breath metabolomics using an optimized non-invasive exhaled breath condensate sampler. Journal of Breath Research. 2017 Mar 1;11(1). 016001. https://doi.org/10.1088/1752-7163/11/1/016001
Zamuruyev, Konstantin O. ; Aksenov, Alexander A. ; Pasamontes, Alberto ; Brown, Joshua F. ; Pettit, Dayna R. ; Foutouhi, Soraya ; Weimer, Bart C ; Schivo, Michael ; Kenyon, Nicholas ; Delplanque, Jean Pierre ; Davis, Cristina E. / Human breath metabolomics using an optimized non-invasive exhaled breath condensate sampler. In: Journal of Breath Research. 2017 ; Vol. 11, No. 1.
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