{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T12:26:57Z","timestamp":1790857617515,"version":"4.1.0"},"reference-count":26,"publisher":"Wiley","issue":"18","license":[{"start":{"date-parts":[[2009,8,31]],"date-time":"2009-08-31T00:00:00Z","timestamp":1251676800000},"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":[[2009,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The preconcentration, separation, and electrochemical detection of a series of tetracycline (TC) antibiotics in a microfluidic channel were preformed. The electrophoretic experimental parameters to analyze TC, oxytetracycline, chlortetracycline, and doxycycline antibiotics were investigated with a cellulose\u2010dsDNA\u2010modified carbon paste electrode. Modification of the electrode improved detection performance by enhancing the signal\u2010to\u2010noise characteristics without surface fouling of the electrode. Field\u2010amplified sample stacking and field\u2010amplified sample injection techniques were employed for on\u2010chip preconcentration of the TC series. The sensitivity of the method was improved 10\u2009900\u2010fold when compared with conventional MEKC\u2010electrochemical detection analysis. The overall recoveries for TC, oxytetracycline, chlortetracycline, and doxycycline were 87, 89, 87, and 81%, respectively, with 6.0% RSD. The limits of detection for the series were estimated between 1.5 and 4.3\u2009nM. Applicability of the method to beef samples was successfully demonstrated.<\/jats:p>","DOI":"10.1002\/elps.200900117","type":"journal-article","created":{"date-parts":[[2009,8,31]],"date-time":"2009-08-31T10:55:49Z","timestamp":1251716149000},"page":"3219-3227","source":"Crossref","is-referenced-by-count":26,"title":["Electrophoretic total analysis of trace tetracycline antibiotics in a microchip with amperometry"],"prefix":"10.1002","volume":"30","author":[{"given":"Kyung\u2010Sun","family":"Lee","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"So\u2010Hee","family":"Park","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"So\u2010Young","family":"Won","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoon\u2010Bo","family":"Shim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2009,9,17]]},"reference":[{"key":"e_1_2_6_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0731-7085(03)00195-X"},{"key":"e_1_2_6_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1369-5274(00)00241-1"},{"key":"e_1_2_6_4_2","doi-asserted-by":"publisher","DOI":"10.1002\/elps.200700276"},{"key":"e_1_2_6_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.snb.2006.12.010"},{"key":"e_1_2_6_6_2","first-page":"4","volume":"9","author":"Huang S. 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