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Authors: Fábio Dias 1 ; José Alves 2 ; Fábio Januário 1 ; José Luís Ferreira 3 and Valentina Vassilenko 4

Affiliations: 1 Faculty of Sciences and Technology and NOVA University of Lisbon, Portugal ; 2 Centre of Physics and Technological Research (CeFITec), Portugal ; 3 Centre of Physics and Technological Research (CeFITec), NMT and S.A, Portugal ; 4 Faculty of Sciences and Technology, NOVA University of Lisbon, NMT and S.A, Portugal

Keyword(s): Exhaled Air, Selective Air Acquisition, Capnography, Ion Mobility Spectrometry.

Related Ontology Subjects/Areas/Topics: Biomedical Engineering ; Biomedical Equipment ; Biomedical Instruments and Devices

Abstract: The recent advances in technology and detection methods, as well as its economic viability have pointed the analysis of exhaled breath as a promising tool for medical diagnosis or therapy monitoring. Since the concentration of the most Volatile Organic Compounds (VOCs) present in the exhaled breath is very low (ppbv – pptv range) it is important to have a selective sampling system for alveolar air. In this work we present the design and instrumentation of a prototype that allows real time monitoring of the breathing cycle and automatically decide the correct moment for acquisition and channel the acquired sample to the Ion Mobility Spectrometer with Multi-Capillary Column pre-separation (MCC-IMS). The prototype is composed by a flow meter, signal packaging circuits and a flow commuting circuit (three-way valve). Two graphical interfaces were also developed to help controlling the whole process of acquisition making it easy, quick and reliable.

CC BY-NC-ND 4.0

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Paper citation in several formats:
Dias, F.; Alves, J.; Januário, F.; Luís Ferreira, J. and Vassilenko, V. (2013). Prototype and Graphical Interface for Selective Exhaled Air Acquisition. In Proceedings of the International Conference on Biomedical Electronics and Devices (BIOSTEC 2013) - BIODEVICES; ISBN 978-989-8565-34-1; ISSN 2184-4305, SciTePress, pages 216-219. DOI: 10.5220/0004329402160219

@conference{biodevices13,
author={Fábio Dias. and José Alves. and Fábio Januário. and José {Luís Ferreira}. and Valentina Vassilenko.},
title={Prototype and Graphical Interface for Selective Exhaled Air Acquisition},
booktitle={Proceedings of the International Conference on Biomedical Electronics and Devices (BIOSTEC 2013) - BIODEVICES},
year={2013},
pages={216-219},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004329402160219},
isbn={978-989-8565-34-1},
issn={2184-4305},
}

TY - CONF

JO - Proceedings of the International Conference on Biomedical Electronics and Devices (BIOSTEC 2013) - BIODEVICES
TI - Prototype and Graphical Interface for Selective Exhaled Air Acquisition
SN - 978-989-8565-34-1
IS - 2184-4305
AU - Dias, F.
AU - Alves, J.
AU - Januário, F.
AU - Luís Ferreira, J.
AU - Vassilenko, V.
PY - 2013
SP - 216
EP - 219
DO - 10.5220/0004329402160219
PB - SciTePress

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