PMID- 30327181 OWN - NLM STAT- MEDLINE DCOM- 20181212 LR - 20181212 IS - 1873-3778 (Electronic) IS - 0021-9673 (Linking) VI - 1578 DP - 2018 Nov 30 TI - The preparation of poly-levodopa coated capillary column for capillary electrochromatography enantioseparation. PG - 91-98 LID - S0021-9673(18)31252-4 [pii] LID - 10.1016/j.chroma.2018.10.007 [doi] AB - Levodopa (L-DOPA) is promising as chiral stationary phase for open tubular capillary electrochromatography (OT-CEC) enantioseparation owing to its self-polymerization adhesive property and chiral recognition potential. In this work, CuSO(4)/H(2)O(2) was used as a trigger agent to accelerate the polymerization process of L-DOPA and the poly-levodopa (poly-(L-DOPA)) coated column was successfully prepared for the first time by depositing it on the inner wall of fused silica capillary via the rapid and in-situ approach at room temperature. The performance of the poly-(L-DOPA) coated capillary was validated by the separation of different chiral analytes, including chiral amine drugs, neurotransmitters and amino acids, and the good enantioseparation efficiencies were achieved. For five consecutive runs, the relative standard deviations (RSDs) for the migration time of the analytes for intra-day, inter-day and column-to-column were in the range of 0.19-1.33%, 0.96-4.47%, and 2.21-7.79%, respectively. Additionally, the poly-(L-DOPA) coated capillary column could be successively used over 250 runs without observable change in the separation efficiency. CI - Copyright (c) 2018 Elsevier B.V. All rights reserved. FAU - Guo, Heying AU - Guo H AD - State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou, 730000, China. FAU - Sun, Yu AU - Sun Y AD - State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou, 730000, China. FAU - Niu, Xiaoying AU - Niu X AD - State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou, 730000, China. FAU - Wei, Nannan AU - Wei N AD - State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou, 730000, China. FAU - Pan, Congjie AU - Pan C AD - State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou, 730000, China. FAU - Wang, Guoxiu AU - Wang G AD - State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou, 730000, China. FAU - Zhang, Huige AU - Zhang H AD - State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou, 730000, China. FAU - Chen, Hongli AU - Chen H AD - State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou, 730000, China. Electronic address: hlchen@lzu.edu.cn. FAU - Yi, Tao AU - Yi T AD - School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region. FAU - Chen, Xingguo AU - Chen X AD - State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou, 730000, China. LA - eng PT - Journal Article DEP - 20181009 PL - Netherlands TA - J Chromatogr A JT - Journal of chromatography. A JID - 9318488 RN - 46627O600J (Levodopa) RN - 7631-86-9 (Silicon Dioxide) RN - BBX060AN9V (Hydrogen Peroxide) RN - LRX7AJ16DT (Copper Sulfate) SB - IM MH - Capillary Electrochromatography/*instrumentation MH - Chemistry Techniques, Analytical/*instrumentation/*methods MH - Copper Sulfate/chemistry MH - Hydrogen Peroxide/chemistry MH - Levodopa/*chemistry MH - Silicon Dioxide/chemistry MH - Stereoisomerism OTO - NOTNLM OT - Enantioseparation OT - Open tubular capillary electrochromatography OT - Poly-levodopa EDAT- 2018/10/18 06:00 MHDA- 2018/12/13 06:00 CRDT- 2018/10/18 06:00 PHST- 2018/08/11 00:00 [received] PHST- 2018/10/04 00:00 [revised] PHST- 2018/10/09 00:00 [accepted] PHST- 2018/10/18 06:00 [pubmed] PHST- 2018/12/13 06:00 [medline] PHST- 2018/10/18 06:00 [entrez] AID - S0021-9673(18)31252-4 [pii] AID - 10.1016/j.chroma.2018.10.007 [doi] PST - ppublish SO - J Chromatogr A. 2018 Nov 30;1578:91-98. doi: 10.1016/j.chroma.2018.10.007. Epub 2018 Oct 9.