{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,9]],"date-time":"2025-12-09T15:28:51Z","timestamp":1765294131428,"version":"build-2065373602"},"reference-count":29,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2005,5,27]],"date-time":"2005-05-27T00:00:00Z","timestamp":1117152000000},"content-version":"vor","delay-in-days":26,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Luminescence"],"published-print":{"date-parts":[[2005,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>A new chemiluminescence (CL) method is proposed for the determination of quinine sulphate, which is based on the dichloromethane solvent extraction of the ion\u2010pair complex of tetrachloroaurate (III) with quinine sulphate, and luminol CL detection in a reversed micellar medium formed by the cation surfactant cetyltrimethylammonium bromide in a dichloromethane\u2013cyclohexane (3:7, v[sol ]v)\u2013water (0.35 mol[sol ]L Na<jats:sub>2<\/jats:sub>CO<jats:sub>3<\/jats:sub> buffer solution, pH 11.5). The ion\u2010pair complex of tetrachloroaurate (III) with quinine sulphate produced an analytical CL signal when it entered the reversed micellar water pool. In optimum conditions, CL intensities are proportional to the concentrations of the studied drug over the range 0.015\u201310 \u00b5g[sol ]mL, with a detection limit of 1.5 ng[sol ]mL. The relative standard deviation (RSD) is 1.38% for 2.5 \u00b5g[sol ]mL quinine sulphate (<jats:italic>n<\/jats:italic> = 11). The method has been applied to the determination of the studied drug in biological fluids, with satisfactory results. Copyright \u00a9 2005 John Wiley &amp; Sons, Ltd.<\/jats:p>","DOI":"10.1002\/bio.816","type":"journal-article","created":{"date-parts":[[2005,5,27]],"date-time":"2005-05-27T11:53:06Z","timestamp":1117194786000},"page":"181-186","source":"Crossref","is-referenced-by-count":9,"title":["Reverse micelle\u2010based chemiluminescence system for quinine sulphate"],"prefix":"10.1002","volume":"20","author":[{"given":"Guofeng","family":"Tang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuming","family":"Huang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wenbing","family":"Shi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2005,5,27]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1023\/A:1008699022244"},{"key":"e_1_2_1_3_2","first-page":"39","article-title":"Quinine blockade of currents through Ca2+\u2010activated K+ channels in bovine chromaffin cells","volume":"399","author":"Glavinovich MI","year":"1988","journal-title":"J. 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