{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T20:20:59Z","timestamp":1769113259618,"version":"3.49.0"},"reference-count":33,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2012,12,18]],"date-time":"2012-12-18T00:00:00Z","timestamp":1355788800000},"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":[[2013,1]]},"abstract":"A novel additive of multi\u2010walled carbon nanotubes (MWNT<\/jats:styled-content>s) dispersed with cationic surfactants or mixed cationic\/anionic surfactants was used for MEEKC<\/jats:styled-content> separation of eight phenolic compounds, four glycosides, and one phenanthraquinone. In this context, several parameters affecting MEEKC<\/jats:styled-content> separation were studied, including the dispersion agents of MWNT<\/jats:styled-content>s, MWNT<\/jats:styled-content>s content, oil type, SDS<\/jats:styled-content> concentration, and the type and concentration of cosurfactant. Compared with conventional MEEKC<\/jats:styled-content>, the addition of all types of MWNT<\/jats:styled-content>s dispersions using single or mixed cationic surfactant solutions in running buffers was especially useful for improving the separation of solutes tested, as they influenced the partitioning between the oil droplets and aqueous phase due to the exceptional electrical properties and large surface areas of MWNT<\/jats:styled-content>s. Use of cationic surfactant\u2010coated MWNT<\/jats:styled-content>s (6.4 \u03bcg\/mL) as the additive in a microemulsion buffer (0.5% octanol, 2.8% SDS<\/jats:styled-content>, 5.8% isopropanol, and 5 mM borate buffer) yielded complete resolution of 13 analytes. The proposed method has been successfully applied for the detection and quantification of the studied compounds in a complex matrix sample (C<\/jats:styled-content>ompound X<\/jats:styled-content>ueshuantong capsule).<\/jats:p>","DOI":"10.1002\/elps.201200101","type":"journal-article","created":{"date-parts":[[2012,10,25]],"date-time":"2012-10-25T10:31:15Z","timestamp":1351161075000},"page":"324-330","source":"Crossref","is-referenced-by-count":19,"title":["Enhanced separation of C<\/scp>ompound X<\/scp>ueshuantong capsule using functionalized carbon nanotubes with cationic surfactant solutions in MEEKC<\/scp>"],"prefix":"10.1002","volume":"34","author":[{"given":"Jun","family":"Cao","sequence":"first","affiliation":[{"name":"College of Material Chemistry and Chemical Engineering Hangzhou Normal University Hangzhou P. R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ping","family":"Li","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Natural Medicines China Pharmaceutical University Nanjing P. R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jue","family":"Chen","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Natural Medicines China Pharmaceutical University Nanjing P. R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ting","family":"Tan","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Natural Medicines China Pharmaceutical University Nanjing P. R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Han\u2010Bin","family":"Dai","sequence":"additional","affiliation":[{"name":"College of Material Chemistry and Chemical Engineering Hangzhou Normal University Hangzhou P. R. 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