Simultaneous determination of niflumic acid and its prodrug, talniflumate in human plasma by high performance liquid chromatographyopen access
- Authors
- Dong-Jin Jang; Jeong-Sook Park,; Hye-Ran Ko; Jun-Pil Jee; Jin-Ki Kim; Sung Tae Kim; Chong-Kook Kim
- Issue Date
- Jan-2005
- Publisher
- JOHN WILEY & SONS LTD
- Keywords
- niflumic acid; talniflumate; prodrug; high-performance liquid chromatography (HPLC)
- Citation
- BIOMEDICAL CHROMATOGRAPHY, v.19, no.1, pp.32 - 35
- Indexed
- SCIE
SCOPUS
- Journal Title
- BIOMEDICAL CHROMATOGRAPHY
- Volume
- 19
- Number
- 1
- Start Page
- 32
- End Page
- 35
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/46153
- DOI
- 10.1002/bmc.412
- ISSN
- 0269-3879
- Abstract
- A high-performance liquid chromatographic (HPLC) method has been developed for the simultaneous determination of niflumic acid and its prodrug, talniflumate, in human plasma. Niflumic acid and talniflumate were eluted isocratically with methanol-water (73:27, v/v, adjusted to pH 3.5 by acetic acid) at a flow rate of I mL/min. Indomethacin was used as an internal standard. Signals were monitored by an UV detector at 288 nm. Retention times of indomethacin, niflumic acid and talniflumate were 5.9, 7.2 and 13.5 min, respectively. Calibration plots were linear over the range 50-5000 ng/mL for niflumic acid and 1005000 ng/mL for talniflumate. The limits of quantitation were 50 ng/mL for niflumic acid and 100 ng/mL for talniflumate. The intra- and inter-day relative standard deviations (RSD) of niflumic acid and talniflumate were less than 10% and the accuracies were higher than 90%. This method is rapid, sensitive and reproducible for the determination of niflumic acid and talniflumate in human plasma. Copyright (C) 2004 John Wiley Sons, Ltd.
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