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author:

Zhang, Lan (Zhang, Lan.) [1] | Chen, Jinfeng (Chen, Jinfeng.) [2] | He, Yu (He, Yu.) [3] | Chi, Yuwu (Chi, Yuwu.) [4] | Chen, Guonan (Chen, Guonan.) [5]

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EI

Abstract:

A simple, rapid and low-costing new mixed surfactant MEKC method has been developed for the analysis of five neutral anabolic steroids in this paper. It was found that the bile salt coupling with Triton X-100 was a suitable bi-micellar surfactant for the separation of these anabolic steroids with similar structure. The separation conditions were optimized in detail. The five natural and synthetic anabolic steroids, such as androstenedione (AD), 19-norandrostenedione (NAD), 1,4-androstadiene-3,17-dione (ADD), methandrostenolone (MA) and methyltestosterone (MT) were separated and detected in an alkaline buffer system (pH 9.0) containing 15 mM Britton-Robinson (BR) buffer, 50 mM sodium cholate (SC) and 0.1% (v/v) Triton X-100 with detection wavelength at 241 nm and 18 kV of separation voltage. Under the optimal conditions, five coexistence neutral steroids were completely separated within 12 min with the detection limits ranged from 0.20 to 0.51 μg/mL. This method was successfully used for detection and confirmation of the anabolic steroid methandrostenolone in methandrostenolone tablets and in the real human urine, GC-MS method was applied to confirm the free methandrostenolone existence in the urine sample in order to validate the reliability of MEKC method. © 2008 Elsevier B.V. All rights reserved.

Keyword:

Alkalinity Capillary electrophoresis Electrodynamics Lipids Liquid chromatography Separation Surface active agents

Community:

  • [ 1 ] [Zhang, Lan]Ministry of Education Key Laboratory of Analysis and Detection for Food Safety (Fuzhou University), Fuzhou, Fujian 350002, China
  • [ 2 ] [Zhang, Lan]The Sport Science Research Center, Fuzhou University, Fuzhou, Fujian 350002, China
  • [ 3 ] [Chen, Jinfeng]Ministry of Education Key Laboratory of Analysis and Detection for Food Safety (Fuzhou University), Fuzhou, Fujian 350002, China
  • [ 4 ] [Chen, Jinfeng]Longyan Entry-Exit Inspection and Quarantine Bureau, Longyan, Fujian 364000, China
  • [ 5 ] [He, Yu]Ministry of Education Key Laboratory of Analysis and Detection for Food Safety (Fuzhou University), Fuzhou, Fujian 350002, China
  • [ 6 ] [Chi, Yuwu]Ministry of Education Key Laboratory of Analysis and Detection for Food Safety (Fuzhou University), Fuzhou, Fujian 350002, China
  • [ 7 ] [Chen, Guonan]Ministry of Education Key Laboratory of Analysis and Detection for Food Safety (Fuzhou University), Fuzhou, Fujian 350002, China

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Source :

Talanta

ISSN: 0039-9140

Year: 2009

Issue: 3

Volume: 77

Page: 1002-1008

3 . 2 9

JCR@2009

5 . 6 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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