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author:

Lu, HX (Lu, HX.) [1] | Wu, XP (Wu, XP.) [2] | Xie, ZH (Xie, ZH.) [3] (Scholars:谢增鸿) | Lin, XC (Lin, XC.) [4] (Scholars:林旭聪) | Guo, LQ (Guo, LQ.) [5] (Scholars:郭良洽) | Yan, C (Yan, C.) [6] | Chen, GN (Chen, GN.) [7] (Scholars:陈国南)

Indexed by:

EI Scopus SCIE

Abstract:

In this paper, pressurized CEC was used for the separation and determination of seven fluoroquinolones (FQs). The effect of different experimental conditions, such as the concentration and pH of the buffer, the organic modifier concentration, the surfactant and ion-paring agents added to the electrolyte, and applied voltage were studied. All the seven FQs were baseline separated using mobile phase containing 27% v/v ACN, 5 mmol/L Na2HPO4 buffer (pH 4.0 adjusted using citric acid), 11 mmol/L SIDS, and 0.01% TEA v/v at detection wavelength of 287 nm and at an applied voltage of -10 kV. The calibration curves were linear (r > 0.9991) over a concentration range of 1.0-50.0 mg/L for norfloxacin (NFLX); 2.5-50.0 mg/L for fleroxacin (FLX), ciprofloxacin (CPFX), and lomefloxacin (LMX); and 5.0-50.0 mg/L for enoxacin (ENX), ofloxacin (OFLX), and gatifloxacin (GFLX). The detection limits (S/N = 3) for ENX, OFLX, FLX, NFLX, CPFX, LMX, and GFLX were 0.5, 0.8, 0.4, 0.2, 0.4, 0.5, and 1.0 mg/L, respectively. The method is simple, rapid, and reproducible. It was successfully applied to the analysis of fish muscle samples spiked with FQs. Mean recoveries ranged from 81.6 to 97.6%.

Keyword:

ciprofloxacin enoxacin fleroxacin gatifloxacin lomefloxacin norfloxacin ofloxacin pressurized capillary electrochromatography (pCEC)

Community:

  • [ 1 ] Fuzhou Univ, Inst Food Safety & Environm Monitoring, Fuzhou 350002, Peoples R China
  • [ 2 ] Unimicro Technol, Pleasonton, CA USA

Reprint 's Address:

  • 谢增鸿

    [Xie, ZH]Fuzhou Univ, Inst Food Safety & Environm Monitoring, Fuzhou 350002, Peoples R China

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Source :

JOURNAL OF SEPARATION SCIENCE

ISSN: 1615-9306

Year: 2005

Issue: 16

Volume: 28

Page: 2210-2217

1 . 8 2 9

JCR@2005

2 . 8 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

JCR Journal Grade:2

Cited Count:

WoS CC Cited Count: 37

SCOPUS Cited Count: 43

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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