{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,8]],"date-time":"2026-01-08T23:30:48Z","timestamp":1767915048079,"version":"3.49.0"},"reference-count":15,"publisher":"Wiley","issue":"24","license":[{"start":{"date-parts":[[2002,11,18]],"date-time":"2002-11-18T00:00:00Z","timestamp":1037577600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rapid Comm Mass Spectrometry"],"published-print":{"date-parts":[[2002,12,30]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Membrane introduction mass spectrometry (MIMS) coupled to a miniature mass spectrometer equipped with a cylindrical ion trap (CIT) analyzer was used to monitor the flavor components, 3\u2010phenyl\u20102\u2010propenal and methyl salicylate, found in cinnamon and wintergreen candies, respectively, directly from human breath. The poly(dimethylsiloxane) (PDMS) membrane was operated in a trap\u2010and\u2010release mode, where the temperature of the membrane was cycled during the experiments, which permitted temporal resolution of the two compounds of interest, facilitating their observation in the complex sample. Under these thermally driven conditions, the 10\u201390% rise times for both compounds are similar (15\u2005s for methyl salicylate, 17\u2005s for 3\u2010phenyl\u20102\u2010propenal), but the difference in diffusivity means that the signal for 3\u2010phenyl\u20102\u2010propenal is delayed and the 10% point occurs 6\u2005s later than that for wintergreen. Additional specificity needed for complex samples was gained by using tandem mass spectrometry. Copyright \u00a9 2002 John Wiley &amp; Sons, Ltd.<\/jats:p>","DOI":"10.1002\/rcm.841","type":"journal-article","created":{"date-parts":[[2002,12,12]],"date-time":"2002-12-12T09:00:07Z","timestamp":1039683607000},"page":"2370-2373","source":"Crossref","is-referenced-by-count":35,"title":["Direct analysis of volatile organic compounds in human breath using a miniaturized cylindrical ion trap mass spectrometer with a membrane inlet"],"prefix":"10.1002","volume":"16","author":[{"given":"Leah S.","family":"Riter","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Brian C.","family":"Laughlin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eugene","family":"Nikolaev","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R. 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