{"id":"https://openalex.org/W2053614619","doi":"https://doi.org/10.1021/ac062009a","title":"Differences between Alveolar Air and Mouth Air","display_name":"Differences between Alveolar Air and Mouth Air","publication_year":2007,"publication_date":"2007-03-23","ids":{"openalex":"https://openalex.org/W2053614619","doi":"https://doi.org/10.1021/ac062009a","mag":"2053614619","pmid":"https://pubmed.ncbi.nlm.nih.gov/17378538"},"language":"en","primary_location":{"id":"doi:10.1021/ac062009a","doi":"https://doi.org/10.1021/ac062009a","is_oa":false,"landing_page_url":"https://doi.org/10.1021/ac062009a","pdf_url":null,"source":{"id":"https://openalex.org/S191963794","display_name":"Analytical Chemistry","issn_l":"0003-2700","issn":["0003-2700","1520-6882"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Analytical Chemistry","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://lirias.kuleuven.be/handle/123456789/229710","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5021428076","display_name":"Sandra Van den Velde","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210150429","display_name":"Ziekenhuisnetwerk Antwerpen Stuivenberg","ror":"https://ror.org/05dpzfc16","country_code":"BE","type":"healthcare","lineage":["https://openalex.org/I4210150429","https://openalex.org/I4405261247"]},{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Sandra van den Velde","raw_affiliation_strings":["Department of Periodontology, University of Leuven, Kapucijnenvoer 7, 3000 Leuven, Belgium, and Laboratory for Biochemistry and Toxicology, Ziekenhuis Netwerk Antwerpen Stuivenberg, Lange Beeldekensstraat 267, 2060 Antwerpen, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Periodontology, University of Leuven, Kapucijnenvoer 7, 3000 Leuven, Belgium, and Laboratory for Biochemistry and Toxicology, Ziekenhuis Netwerk Antwerpen Stuivenberg, Lange Beeldekensstraat 267, 2060 Antwerpen, Belgium","institution_ids":["https://openalex.org/I4210150429","https://openalex.org/I99464096"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056561320","display_name":"Marc Quirynen","orcid":"https://orcid.org/0000-0001-8253-3908","observed_orcids":["https://orcid.org/0000-0001-8253-3908"]},"institutions":[{"id":"https://openalex.org/I4210150429","display_name":"Ziekenhuisnetwerk Antwerpen Stuivenberg","ror":"https://ror.org/05dpzfc16","country_code":"BE","type":"healthcare","lineage":["https://openalex.org/I4210150429","https://openalex.org/I4405261247"]},{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":true,"raw_author_name":"Marc Quirynen","raw_affiliation_strings":["Department of Periodontology, University of Leuven, Kapucijnenvoer 7, 3000 Leuven, Belgium, and Laboratory for Biochemistry and Toxicology, Ziekenhuis Netwerk Antwerpen Stuivenberg, Lange Beeldekensstraat 267, 2060 Antwerpen, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Periodontology, University of Leuven, Kapucijnenvoer 7, 3000 Leuven, Belgium, and Laboratory for Biochemistry and Toxicology, Ziekenhuis Netwerk Antwerpen Stuivenberg, Lange Beeldekensstraat 267, 2060 Antwerpen, Belgium","institution_ids":["https://openalex.org/I4210150429","https://openalex.org/I99464096"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023472634","display_name":"Paul Van hee","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210150429","display_name":"Ziekenhuisnetwerk Antwerpen Stuivenberg","ror":"https://ror.org/05dpzfc16","country_code":"BE","type":"healthcare","lineage":["https://openalex.org/I4210150429","https://openalex.org/I4405261247"]},{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Paul van Hee","raw_affiliation_strings":["Department of Periodontology, University of Leuven, Kapucijnenvoer 7, 3000 Leuven, Belgium, and Laboratory for Biochemistry and Toxicology, Ziekenhuis Netwerk Antwerpen Stuivenberg, Lange Beeldekensstraat 267, 2060 Antwerpen, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Periodontology, University of Leuven, Kapucijnenvoer 7, 3000 Leuven, Belgium, and Laboratory for Biochemistry and Toxicology, Ziekenhuis Netwerk Antwerpen Stuivenberg, Lange Beeldekensstraat 267, 2060 Antwerpen, Belgium","institution_ids":["https://openalex.org/I4210150429","https://openalex.org/I99464096"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109860850","display_name":"Dani\u00ebl van Steenberghe","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210150429","display_name":"Ziekenhuisnetwerk Antwerpen Stuivenberg","ror":"https://ror.org/05dpzfc16","country_code":"BE","type":"healthcare","lineage":["https://openalex.org/I4210150429","https://openalex.org/I4405261247"]},{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Daniel van Steenberghe","raw_affiliation_strings":["Department of Periodontology, University of Leuven, Kapucijnenvoer 7, 3000 Leuven, Belgium, and Laboratory for Biochemistry and Toxicology, Ziekenhuis Netwerk Antwerpen Stuivenberg, Lange Beeldekensstraat 267, 2060 Antwerpen, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Periodontology, University of Leuven, Kapucijnenvoer 7, 3000 Leuven, Belgium, and Laboratory for Biochemistry and Toxicology, Ziekenhuis Netwerk Antwerpen Stuivenberg, Lange Beeldekensstraat 267, 2060 Antwerpen, Belgium","institution_ids":["https://openalex.org/I4210150429","https://openalex.org/I99464096"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5056561320"],"corresponding_institution_ids":["https://openalex.org/I4210150429","https://openalex.org/I99464096"],"apc_list":{"value":4500,"currency":"USD","value_usd":4500},"apc_paid":null,"fwci":3.1198,"has_fulltext":false,"cited_by_count":59,"citation_normalized_percentile":{"value":0.90569707,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"79","issue":"9","first_page":"3425","last_page":"3429"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11667","display_name":"Advanced Chemical Sensor Technologies","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11667","display_name":"Advanced Chemical Sensor Technologies","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10836","display_name":"Metabolomics and Mass Spectrometry Studies","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11111","display_name":"Spectroscopy and Laser Applications","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/breath-analysis","display_name":"breath analysis","score":0.8019999861717224},{"id":"https://openalex.org/keywords/alveolar-air","display_name":"alveolar air","score":0.9610000252723694},{"id":"https://openalex.org/keywords/volatile-compounds","display_name":"volatile compounds","score":0.5740000009536743},{"id":"https://openalex.org/keywords/exhaled-breath","display_name":"exhaled breath","score":0.4180000126361847},{"id":"https://openalex.org/keywords/biomarkers","display_name":"biomarkers","score":0.4690000116825104}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9030234217643738},{"id":"https://openalex.org/C3020341094","wikidata":"https://www.wikidata.org/wiki/Q9530","display_name":"Exhaled air","level":2,"score":0.711357831954956},{"id":"https://openalex.org/C3019162307","wikidata":"https://www.wikidata.org/wiki/Q9530","display_name":"Expired air","level":2,"score":0.6503946185112},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.644393801689148},{"id":"https://openalex.org/C162356407","wikidata":"https://www.wikidata.org/wiki/Q180809","display_name":"Mass spectrometry","level":2,"score":0.6137733459472656},{"id":"https://openalex.org/C123460561","wikidata":"https://www.wikidata.org/wiki/Q677065","display_name":"Gas chromatography","level":2,"score":0.5010077953338623},{"id":"https://openalex.org/C93353639","wikidata":"https://www.wikidata.org/wiki/Q754258","display_name":"Breath gas analysis","level":2,"score":0.4444953203201294},{"id":"https://openalex.org/C205345274","wikidata":"https://www.wikidata.org/wiki/Q873009","display_name":"Gas chromatography\u2013mass spectrometry","level":3,"score":0.4365932047367096},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.3239918351173401},{"id":"https://openalex.org/C33070731","wikidata":"https://www.wikidata.org/wiki/Q7218","display_name":"Toxicology","level":1,"score":0.0962950587272644},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.09493806958198547},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000388","descriptor_name":"Air","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D001944","descriptor_name":"Breath Tests","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008401","descriptor_name":"Gas Chromatography-Mass Spectrometry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D009055","descriptor_name":"Mouth","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D009930","descriptor_name":"Organic Chemicals","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":false},{"descriptor_ui":"D011650","descriptor_name":"Pulmonary Alveoli","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D011659","descriptor_name":"Pulmonary Gas Exchange","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012016","descriptor_name":"Reference Values","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.1021/ac062009a","doi":"https://doi.org/10.1021/ac062009a","is_oa":false,"landing_page_url":"https://doi.org/10.1021/ac062009a","pdf_url":null,"source":{"id":"https://openalex.org/S191963794","display_name":"Analytical Chemistry","issn_l":"0003-2700","issn":["0003-2700","1520-6882"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Analytical Chemistry","raw_type":"journal-article"},{"id":"pmid:17378538","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/17378538","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Analytical chemistry","raw_type":"Journal Article"},{"id":"pmh:oai:lirias2repo.kuleuven.be:123456789/229710","doi":null,"is_oa":true,"landing_page_url":"https://lirias.kuleuven.be/handle/123456789/229710","pdf_url":null,"source":{"id":"https://openalex.org/S7407055369","display_name":"Lirias","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Analytical chemistry, vol. 79 (9), (3425-3429)","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:lirias2repo.kuleuven.be:123456789/229710","doi":null,"is_oa":true,"landing_page_url":"https://lirias.kuleuven.be/handle/123456789/229710","pdf_url":null,"source":{"id":"https://openalex.org/S7407055369","display_name":"Lirias","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Analytical chemistry, vol. 79 (9), (3425-3429)","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.766700029373169,"display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1522757458","https://openalex.org/W1971420188","https://openalex.org/W1986584139","https://openalex.org/W1990614163","https://openalex.org/W2001920260","https://openalex.org/W2012394529","https://openalex.org/W2017224356","https://openalex.org/W2032107864","https://openalex.org/W2041193053","https://openalex.org/W2044044827","https://openalex.org/W2048541209","https://openalex.org/W2073009608","https://openalex.org/W2076834916","https://openalex.org/W2089657177","https://openalex.org/W2138438543","https://openalex.org/W2146641398","https://openalex.org/W2161425691","https://openalex.org/W2335823430"],"related_works":["https://openalex.org/W2034754469","https://openalex.org/W4386085681","https://openalex.org/W4412727986","https://openalex.org/W2017224356","https://openalex.org/W2057847283","https://openalex.org/W2076253955","https://openalex.org/W2039140478","https://openalex.org/W3215109568","https://openalex.org/W2731820773","https://openalex.org/W2954734493"],"abstract_inverted_index":{"Our":[0],"breath":[1,47],"contains":[2,85],"an":[3,6],"intraoral":[4],"and":[5,52,60,154],"alveolar":[7,28,61,118,152],"part,":[8],"the":[9,12,30,38,44,50,54,138,149],"latter":[10],"being":[11],"last":[13],"to":[14,103],"be":[15,24,146],"exhaled.":[16],"As":[17],"such,":[18],"major":[19],"differences":[20,45,125],"in":[21,56,113,117,126,140],"composition":[22],"can":[23],"expected,":[25],"with":[26,73],"for":[27],"air":[29,48,62,115,153],"inclusion":[31],"of":[32,63,76,81,98,108,137,148],"more":[33],"metabolic":[34],"compounds":[35,93,100,109,139],"released":[36],"during":[37],"blood-air":[39],"exchange.":[40],"This":[41],"study":[42],"explored":[43],"between":[46,151],"from":[49,53],"oropharynx":[51],"lungs":[55],"healthy":[57],"volunteers.":[58,105],"Mouth":[59],"40":[64],"volunteers":[65],"was":[66,110],"analyzed":[67],"using":[68],"gas":[69],"chromatography-mass":[70,131],"spectrometry,":[71],"together":[72],"a":[74,82,134,141],"sample":[75],"room":[77],"air.":[78,119,156],"A":[79,96],"chromatogram":[80],"single":[83],"person":[84],"on":[86],"average":[87],"145":[88],"different":[89],"compounds.":[90],"Altogether,":[91],"618":[92],"were":[94,101,128],"detected.":[95],"total":[97],"35":[99],"common":[102],"all":[104],"The":[106],"number":[107],"significantly":[111],"higher":[112],"mouth":[114],"than":[116],"For":[120],"47":[121],"compounds,":[122],"very":[123],"significant":[124],"detection/concentration":[127],"recorded.":[129],"Gas":[130],"spectrometry":[132],"offers":[133],"detailed":[135],"overview":[136],"person's":[142],"breath.":[143],"One":[144],"should":[145],"aware":[147],"distinction":[150],"oropharyngeal":[155]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":5}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
