{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Freire R"],"funding":["Government of Catalonia","European Union","Ministry of Economy, Industry and Competitiveness"],"pagination":["838"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8840200"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["22(3)"],"pubmed_abstract":["The impact of diet and digestive disorders in flatus composition remains largely unexplored. This is partially due to the lack of standardized sampling collection methods, and the easy atmospheric contamination. This paper describes a method to quantitatively determine the major gases in flatus and their application in a nutritional intervention. We describe how to direct sample flatus into Tedlar bags, and simultaneous analysis by gas chromatography-thermal conductivity detection (GC-TCD). Results are analyzed by univariate hypothesis testing and by multilevel principal component analysis. The reported methodology allows simultaneous determination of the five major gases with root mean measurement errors of 0.8% for oxygen (O2), 0.9% for nitrogen (N2), 0.14% for carbon dioxide (CO2), 0.11"],"journal":["Sensors (Basel, Switzerland)"],"pubmed_title":["Quantitative GC-TCD Measurements of Major Flatus Components: A Preliminary Analysis of the Diet Effect."],"pmcid":["PMC8840200"],"funding_grant_id":["SAF 2016-76648-R","2017 SGR 1721","RTI2018-098577-B-C22","712754","RTI2018-098577-B-C21"],"pubmed_authors":["Azpiroz F","Pardo A","Marco S","Mas S","Mego M","Freire R","Oliveira LF"],"additional_accession":[]},"is_claimable":false,"name":"Quantitative GC-TCD Measurements of Major Flatus Components: A Preliminary Analysis of the Diet Effect.","description":"The impact of diet and digestive disorders in flatus composition remains largely unexplored. This is partially due to the lack of standardized sampling collection methods, and the easy atmospheric contamination. This paper describes a method to quantitatively determine the major gases in flatus and their application in a nutritional intervention. We describe how to direct sample flatus into Tedlar bags, and simultaneous analysis by gas chromatography-thermal conductivity detection (GC-TCD). Results are analyzed by univariate hypothesis testing and by multilevel principal component analysis. The reported methodology allows simultaneous determination of the five major gases with root mean measurement errors of 0.8% for oxygen (O2), 0.9% for nitrogen (N2), 0.14% for carbon dioxide (CO2), 0.11","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Jan","modification":"2025-04-05T13:07:22.499Z","creation":"2025-04-05T13:07:22.499Z"},"accession":"S-EPMC8840200","cross_references":{"pubmed":["35161583"],"doi":["10.3390/s22030838"]}}