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dc.contributor.author김기현-
dc.date.accessioned2017-09-14T07:24:04Z-
dc.date.available2017-09-14T07:24:04Z-
dc.date.issued2015-11-
dc.identifier.citationSCIENTIFIC REPORTS, v. 5, NO 16383, Page. 1-9en_US
dc.identifier.issn2045-2322-
dc.identifier.other20154007537-
dc.identifier.urihttps://www.nature.com/articles/srep16383-
dc.identifier.urihttp://hdl.handle.net/20.500.11754/29159-
dc.description.abstractAn analytical technique was developed for the quantitation of volatile organic compounds (VOC) in three different forms of electronic cigarette (EC): solution, vapor, and aerosol. Through the application of the mass change tracking (MCT) approach, the consumed amount of the solution was measured to track the conversion of targets between the different phases. The concentration of aerosol plus vapor (AV) decreased exponentially (559 to 129 g m(-3)) with increasing puff velocity (0.05 to 1 L min(-1)). A strong correlation existed between sampling volume and consumed solution mass (R-2 = 0.9972 +/- 0.0021 (n = 4)). In the EC solution, acetic acid was considerably high (25.8 mu g mL(-1)), along with trace quantities of some VOCs (methyl ethyl ketone, toluene, propionic acid, and i-butyric acid: 0.24 +/- 0.15 mu g mL(-1) (n = 4)). In the aerosol samples, many VOCs (n-butyraldehyde, n-butyl acetate, benzene, xylene, styrene, n-valeric acid, and n-hexanoic acid) were newly produced (138 +/- 250 mu g m(-3)). In general, the solution-to-aerosol (S/A) conversion was significant: e.g., 1,540% for i-butyric acid. The emission rates of all targets computed based on their mass in aerosol/consumed solution (ng mL(-1)) were from 30.1 (p-xylene) to 398 (methyl ethyl ketone), while those of carboxyls were much higher from 166 (acetic acid) to 5,850 (i-butyric acid).en_US
dc.description.sponsorshipThis study was supported by a grant (14182MFDS977) from the Ministry of Food and Drug Safety, Korea, in 2015.en_US
dc.language.isoenen_US
dc.publisherNATURE PUBLISHING GROUPen_US
dc.subjectVOLATILE ORGANIC-COMPOUNDSen_US
dc.subjectENVIRONMENTAL TOBACCO-SMOKEen_US
dc.subjectGAS-CHROMATOGRAPHYen_US
dc.subjectMASS-SPECTROMETRYen_US
dc.subjectPHASEen_US
dc.subjectSTANDARDen_US
dc.subjectLIQUIDen_US
dc.subjectAIRen_US
dc.subjectCARTRIDGESen_US
dc.subjectNICOTINEen_US
dc.titleA novel method to quantify the emission and conversion of VOCs in the smoking of electronic cigarettesen_US
dc.typeArticleen_US
dc.relation.no16383-
dc.relation.volume5-
dc.identifier.doi10.1038/srep16383-
dc.relation.page1-9-
dc.relation.journalSCIENTIFIC REPORTS-
dc.contributor.googleauthorKim, Yong-Hyun-
dc.contributor.googleauthorKim, Ki-Hyun-
dc.relation.code2015014066-
dc.sector.campusS-
dc.sector.daehakCOLLEGE OF ENGINEERING[S]-
dc.sector.departmentDEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING-
dc.identifier.pidkkim61-


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