Combination of micelle collapse and field-amplified sample stacking in capillary electrophoresis for determination of trimethoprim and sulfamethoxazole in animal-originated foodstuffs
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- 作者：Lihong Liua ; lhliu02@126.com" class="auth_mail" title="E-mail the corresponding author ; Qian Wana ; Xiaoying Xua ; Shunshan Duanb ; Chunli Yangc
- 关键词：MSS ; micelle to solvent stacking ; FASS ; field-amplified sample stacking ; TMP ; trimethoprim ; SMZ ; sulfamethoxazole ; CZE ; capillary zone electrophoresis ; LODs ; the limits of detection ; MRLs ; maximum residue limits ; HPLC ; high performance liquid chromatography ; MEKC ; micellar electrokinetic chromatography ; SDS ; sodium dodecyl sulfate ; TS ; trapping solution ; EOF ; electroosmotic flow ; MSSB ; micelle to solvent stacking boundary ; CMC ; critical micelle concentration ; BGS ; background solution ; SEFs ; sens
- 刊名：Food Chemistry
- 出版年：2017
- 出版时间：15 March 2017
- 年：2017
- 卷：219
- 期：Complete
- 页码：7-12
- 全文大小：602 K
文摘
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A combination of two-state mechanism for trimethoprim and sulfamethoxazole determination was proposed.
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The sensitivity could be improved 301 and 329 times for SMZ and TMP, respectively.
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The limits of detection (LODs) were 8.5 ng/mL for TMP and 7.7 ng/mL for SMZ.
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The LODs were lower than the maximum residue limits in foods of animal origin.