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author:

Ye, H. (Ye, H..) [1] | Yu, L. (Yu, L..) [2] | Xu, X. (Xu, X..) [3] | Zheng, C. (Zheng, C..) [4] | Lin, W. (Lin, W..) [5] | Liu, X. (Liu, X..) [6] | Chen, G. (Chen, G..) [7]

Indexed by:

Scopus

Abstract:

A novel, simple and sensitive method for the enantioseparation and determination of DL-tetrahydropalmatine (DL-THP) was developed using ACE in combination with partial filling technique and field-amplified sample injection. A chiral selector, i.e. BSA, was used for the enantioseparation of DL-THP in ACE. Effects of BSA concentration, pH and separation voltage on the effectiveness of the enantiomer separation were evaluated. In an optimal condition, D- and L-THP were completely enantio-separated in less than 9 min by partially filling an electrophoretic capillary with 50 mmol/L BSA (50 mbar, 100 s) and carrying out an electrophoresis with 20 mmol/L phosphate buffer (pH 7.4) at 15 kV. The sensitivity was further improved by making use of field-amplified sample injection to lower the LOD (defined as S/N53) down to 6 ng/mL. Real samples were also tested and promising results for the determination of DL-THP enantiomers were obtained. © 2010 Wiley-VCH Verlag GmbH & Co. KGaA.

Keyword:

ACE; DL-tetrahydropalmatine; Enantioseparation; Field-amplified sample injection; Partial filling technique

Community:

  • [ 1 ] [Ye, H.]Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China
  • [ 2 ] [Yu, L.]Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China
  • [ 3 ] [Yu, L.]Ministry of Education Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, China
  • [ 4 ] [Xu, X.]Ministry of Education Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, China
  • [ 5 ] [Zheng, C.]Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China
  • [ 6 ] [Lin, W.]Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China
  • [ 7 ] [Liu, X.]Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China
  • [ 8 ] [Chen, G.]Ministry of Education Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, China

Reprint 's Address:

  • [Liu, X.]Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China

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Source :

Electrophoresis

ISSN: 0173-0835

Year: 2010

Issue: 12

Volume: 31

Page: 2049-2054

3 . 5 6 9

JCR@2010

3 . 0 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 20

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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