Profiling of volatile organic compounds produced by clinical Aspergillus isolates using gas chromatography-mass spectrometry

M.G. Gerritsen, P. Brinkman, N. Escobar, L.D. Bos, K. de Heer, M. Meijer, H.-G. Janssen, H. de Cock, H.A.B. Wosten, C.E. Visser, M.H.J. van Oers, P.J. Sterk, H. A. B. Wösten

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Abstract

Volatile organic compounds (VOCs) in exhaled breath may identify the presence of invasive pulmonary aspergillosis. We aimed to detect VOC profiles emitted by in vitro cultured, clinical Aspergillus isolates using gas chromatography–mass spectrometry (GC-MS). Three clinical Aspergillus isolates and a reference strain were cultured while conidiation was prevented. Headspace samples were analyzed using a standardized method. Breath samples of patients from which the cultures were obtained were checked for the presence of the VOCs found in vitro. Each Aspergillus isolate produced a distinct VOC profile. These profiles could not be confirmed in exhaled breath in vivo.
Original languageEnglish
Pages (from-to)253-256
Number of pages4
JournalMedical mycology
Volume56
Issue number2
Early online date2017
DOIs
Publication statusPublished - Feb 2018

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