{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T08:49:23Z","timestamp":1777452563266,"version":"3.51.4"},"reference-count":33,"publisher":"Wiley","issue":"14","license":[{"start":{"date-parts":[[2008,6,24]],"date-time":"2008-06-24T00:00:00Z","timestamp":1214265600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Electrophoresis"],"published-print":{"date-parts":[[2008,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>A hollow fiber\u2010based liquid\u2010liquid\u2010liquid microextraction (HF\u2010LLLME) combined with on\u2010line large\u2010volume sample stacking (LVSS) has been developed for the speciation of organomercury in biological samples by CE with UV detection. Separation was achieved in less than 11\u2005min with an electrolyte consisting of 35\u2005mM sodium tetraborate at pH\u20059.1. In LVSS, a reverse electrode polarity\u2010stacking mode (REPSM) was applied as on\u2010line preconcentration strategy. In HF\u2010LLLME, the analytes were extracted from 12\u2005mL volume of sample solution (pH adjusted to 3.0) into bromobenzene impregnated in the pores of the hollow fiber, and into an acceptor solution of <jats:sc>L<\/jats:sc>\u2010cysteine (15\u2005\u03bcL, 0.02% w\/v) inside the hollow fiber. Under the optimized conditions, concentration factors of 2610\u20134580 were achieved and LODs in the range of 0.03\u20130.14\u2005\u03bcg\/L were feasible. The linearity was found to be over two orders of magnitude with correlation coefficient of 0.9991\u20130.9996. The developed method has been validated using a certified reference material (DORM\u20102, dogfish muscle), and the determined values coincided very well with the certified values. The method was also applied to the speciation of organomercury in three kinds of fish samples and human hair samples.<\/jats:p>","DOI":"10.1002\/elps.200700920","type":"journal-article","created":{"date-parts":[[2008,6,24]],"date-time":"2008-06-24T08:28:16Z","timestamp":1214296096000},"page":"3081-3089","source":"Crossref","is-referenced-by-count":31,"title":["High\u2010sensitivity capillary electrophoresis for speciation of organomercury in biological samples using hollow fiber\u2010based liquid\u2010liquid\u2010liquid microextraction combined with on\u2010line preconcentration by large\u2010volume sample 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