{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,26]],"date-time":"2025-10-26T14:36:40Z","timestamp":1761489400071,"version":"build-2065373602"},"reference-count":64,"publisher":"Wiley","issue":"15","license":[{"start":{"date-parts":[[2014,6,18]],"date-time":"2014-06-18T00:00:00Z","timestamp":1403049600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"funder":[{"DOI":"10.13039\/501100002428","name":"Austrian Science Fund","doi-asserted-by":"publisher","award":["P24736-B23"],"award-info":[{"award-number":["P24736-B23"]}],"id":[{"id":"10.13039\/501100002428","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rapid Comm Mass Spectrometry"],"published-print":{"date-parts":[[2014,8,15]]},"abstract":"<jats:sec>\n                    <jats:title>RATIONALE<\/jats:title>\n                    <jats:p>\n                      The reactions of NO\n                      <jats:sup>+<\/jats:sup>\n                      with volatile organic compounds (VOCs) in Selective Reagent Ionization Time\u2010of\u2010Flight Mass Spectrometry (SRI\u2010TOF\u2010MS) reactors are relatively poorly known, inhibiting their use for trace gas analysis. The rationale for this product ion distribution study was to identify the major product ions of the reactions of NO\n                      <jats:sup>+<\/jats:sup>\n                      ions with 13 organosulfur compounds and 2 organoselenium compounds in an SRI\u2010TOF\u2010MS instrument and thus to prepare the way for their analysis in exhaled breath, in skin emanations and in the headspace of urine, blood and cell and bacterial cultures.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>METHODS<\/jats:title>\n                    <jats:p>Product ion distributions have been investigated by a SRI\u2010TOF\u2010MS instrument at an E\/N in the drift tube reactor of 130 Td for both dry air and humid air (4.9% absolute humidity) used as the matrix gas. The investigated species were five monosulfides (dimethyl sulfide, ethyl methyl sulfide, methyl propyl sulfide, allyl methyl sulfide and methyl 5\u2010methyl\u20102\u2010furyl sulfide), dimethyl disulfide, dimethyl trisulfide, thiophene, 2\u2010methylthiophene, 3\u2010methylthiophene, methanethiol, allyl isothiocyanate, dimethyl sulfoxide, and two selenium compounds \u2013 dimethyl selenide and dimethyl diselenide.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>\n                      Charge transfer was seen to be the dominant reaction mechanism in all reactions under study forming the M\n                      <jats:sup>+<\/jats:sup>\n                      cations. For methanethiol and allyl isothiocyanate significant fractions were also observed of the stable adduct ions NO\n                      <jats:sup>+<\/jats:sup>\n                      M, formed by ion\u2010molecule association, and [M\u2013H]\n                      <jats:sup>+<\/jats:sup>\n                      ions, formed by hydride ion transfer. Several other minor product channels are seen for most reactions indicating that the nascent excited intermediate (NOM)\n                      <jats:sup>+<\/jats:sup>\n                      * adduct ions partially fragment along other channels, most commonly by the elimination of neutral CH\n                      <jats:sub>3<\/jats:sub>\n                      , CH\n                      <jats:sub>4<\/jats:sub>\n                      and\/or C\n                      <jats:sub>2<\/jats:sub>\n                      H\n                      <jats:sub>4<\/jats:sub>\n                      species that are probably bound to an NO molecule. Humidity had little effect on the product ion distributions.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSIONS<\/jats:title>\n                    <jats:p>\n                      The findings of this study are of particular importance for data interpretation in studies of volatile organosulfur and volatile organoselenium compounds employing SRI\u2010TOF\u2010MS in the NO\n                      <jats:sup>+<\/jats:sup>\n                      mode. \u00a9 2014 The Authors.\n                      <jats:italic>Rapid Communications in Mass Spectrometry<\/jats:italic>\n                      published by John Wiley &amp; Sons Ltd.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/rcm.6947","type":"journal-article","created":{"date-parts":[[2014,6,20]],"date-time":"2014-06-20T07:53:02Z","timestamp":1403250782000},"page":"1683-1690","source":"Crossref","is-referenced-by-count":13,"title":["Product ion distributions for the reactions of NO\n                    <sup>+<\/sup>\n                    with some physiologically significant volatile organosulfur and organoselenium compounds obtained using a selective reagent ionization time\u2010of\u2010flight mass spectrometer"],"prefix":"10.1002","volume":"28","author":[{"given":"Pawe\u0142","family":"Mochalski","sequence":"first","affiliation":[{"name":"Breath Research Institute of the University of Innsbruck  Rathausplatz 4 A\u20106850 Dornbirn Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Karl","family":"Unterkofler","sequence":"additional","affiliation":[{"name":"Breath Research Institute of the University of Innsbruck  Rathausplatz 4 A\u20106850 Dornbirn Austria"},{"name":"Vorarlberg University of Applied Sciences  Hochschulstr. 1 A\u20106850 Dornbirn Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patrik","family":"\u0160pan\u011bl","sequence":"additional","affiliation":[{"name":"J. Heyrovsk\u00fd Institute of Physical Chemistry Academy of Sciences of the Czech Republic  Dolej\u0161kova 3 18223 Prague 8 Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David","family":"Smith","sequence":"additional","affiliation":[{"name":"Institute for Science and Technology in Medicine, Medical School Keele University  Thornburrow Drive, Hartshill, Stoke\u2010on\u2010Trent ST4 7QB UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anton","family":"Amann","sequence":"additional","affiliation":[{"name":"Breath Research Institute of the University of Innsbruck  Rathausplatz 4 A\u20106850 Dornbirn Austria"},{"name":"Univ.\u2010Clinic for Anesthesia and Intensive Care Innsbruck Medical University  Anichstr, 35 A\u20106020 Innsbruck Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2014,6,18]]},"reference":[{"key":"e_1_2_6_2_1","unstructured":"I.Horvath J. 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