Human Breath Analysis May Support the Existence of Individual Metabolic Phenotypes
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Figshare

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  • {"files"=>["https://ndownloader.figshare.com/files/1009775"], "description"=>"<p>During the 1.5 hours experiment shown above, nine subjects breathed into the mass spectrometer. The subjects' label codes are indicated at the top of each of the three replicate measurements in the top trace. The three traces correspond to the ion intensity as a function of time for m/z 59, 151 and 207. Each subject breathed in triplicate, which is illustrated by the three steps of the signal above the background per subject. This snapshot already illustrates the high inter-subject breathprint variability.</p>", "links"=>[], "tags"=>["allows", "breathprinting"], "article_id"=>670267, "categories"=>["Medicine", "Cell Biology", "Biochemistry", "Chemistry", "Physiology", "Genetics"], "users"=>["Pablo Martinez-Lozano Sinues", "Malcolm Kohler", "Renato Zenobi"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0059909.g001", "stats"=>{"downloads"=>4, "page_views"=>6, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Real_time_analysis_allows_for_the_rapid_breathprinting_of_subjects_/670267", "title"=>"Real-time analysis allows for the rapid breathprinting of subjects.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-04-03 00:04:27"}
  • {"files"=>["https://ndownloader.figshare.com/files/1009784", "https://ndownloader.figshare.com/files/1009787", "https://ndownloader.figshare.com/files/1009790", "https://ndownloader.figshare.com/files/1009792"], "description"=>"<div><p>The metabolic phenotype varies widely due to external factors such as diet and gut microbiome composition, among others. Despite these temporal fluctuations, urine metabolite profiling studies have suggested that there are highly individual phenotypes that persist over extended periods of time. This hypothesis was tested by analyzing the exhaled breath of a group of subjects during nine days by mass spectrometry. Consistent with previous metabolomic studies based on urine, we conclude that individual signatures of breath composition exist. The confirmation of the existence of stable and specific breathprints may contribute to strengthen the inclusion of breath as a biofluid of choice in metabolomic studies. In addition, the fact that the method is rapid and totally non-invasive, yet individualized profiles can be tracked, makes it an appealing approach.</p> </div>", "links"=>[], "tags"=>["metabolic"], "article_id"=>670271, "categories"=>["Medicine", "Cell Biology", "Biochemistry", "Chemistry", "Physiology", "Genetics"], "users"=>["Pablo Martinez-Lozano Sinues", "Malcolm Kohler", "Renato Zenobi"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0059909.s001", "https://dx.doi.org/10.1371/journal.pone.0059909.s002", "https://dx.doi.org/10.1371/journal.pone.0059909.s003", "https://dx.doi.org/10.1371/journal.pone.0059909.s004"], "stats"=>{"downloads"=>10, "page_views"=>13, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Human_Breath_Analysis_May_Support_the_Existence_of_Individual_Metabolic_Phenotypes_/670271", "title"=>"Human Breath Analysis May Support the Existence of Individual Metabolic Phenotypes", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2013-04-03 00:04:31"}

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