{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T06:39:28Z","timestamp":1788417568929,"version":"build-2803163510"},"reference-count":58,"publisher":"Wiley","issue":"24","license":[{"start":{"date-parts":[[2013,12,12]],"date-time":"2013-12-12T00:00:00Z","timestamp":1386806400000},"content-version":"vor","delay-in-days":11,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J of Separation Science"],"published-print":{"date-parts":[[2013,12]]},"abstract":"<jats:p>\n                    A headspace solid\u2010phase microextraction method coupled to\n                    <jats:styled-content style=\"fixed-case\">GC<\/jats:styled-content>\n                    \u2013\n                    <jats:styled-content style=\"fixed-case\">MS<\/jats:styled-content>\n                    was successfully developed for the trace determination of formaldehyde in veterinary bacterial and human vaccines, and diphtheria\u2013tetanus antigen. The formaldehyde was derivatized by means of the\n                    <jats:styled-content style=\"fixed-case\">H<\/jats:styled-content>\n                    antzsch reaction prior to extraction and subsequent determination. Three different types of solid\u2010phase microextraction fibers, polar, and nonpolar poly(dimethylsiloxane) and polyethylene glycol were prepared by using a sol\u2013gel technique. The effects of different parameters such as type of fiber coating, extraction time and temperature, desorption conditions, agitation rate, and salt effect were investigated. Under the optimized conditions, the detection limit of the method was 979 ng\/L using the selected ion\u2010monitoring mode. The interday and intraday precisions of the developed method under the optimized conditions were below 13%, and the method shows linearity in the range of 1.75\u2013800 \u03bcg\/L with a correlation coefficient of 0.9963. The optimized method was applied to the determination of formaldehyde from some biological products. The results were satisfactory compared to the standard method.\n                  <\/jats:p>","DOI":"10.1002\/jssc.201300771","type":"journal-article","created":{"date-parts":[[2013,10,26]],"date-time":"2013-10-26T10:44:37Z","timestamp":1382784277000},"page":"3883-3888","source":"Crossref","is-referenced-by-count":21,"title":["Determination of free formaldehyde in vaccines and biological samples using solid\u2010phase microextraction coupled to\n                    <scp>GC<\/scp>\n                    \u2013\n                    <scp>MS<\/scp>"],"prefix":"10.1002","volume":"36","author":[{"given":"Sara","family":"Zali","sequence":"first","affiliation":[{"name":"Department of Chemistry Razi University  Kermanshah Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fahimeh","family":"Jalali","sequence":"additional","affiliation":[{"name":"Department of Chemistry Razi University  Kermanshah Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ali","family":"Es\u2010haghi","sequence":"additional","affiliation":[{"name":"Department of Physico Chemistry Razi Vaccine &amp; Serum Research Institute  Karaj Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mojtaba","family":"Shamsipur","sequence":"additional","affiliation":[{"name":"Department of Chemistry Razi University  Kermanshah Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2013,12,12]]},"reference":[{"key":"e_1_2_7_2_1","first-page":"73","volume-title":"Vaccines","author":"Plotkin S.","year":"2008"},{"key":"e_1_2_7_3_1","doi-asserted-by":"crossref","first-page":"429","DOI":"10.1128\/jcm.19.3.429-431.1984","volume":"19","author":"Jahrling P. 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