| Autor: |
Van Pham, Toi, Pham Nguyen, Phuong, Nguyen Duc Khanh, Tho, Nguyen Thanh Thuy, Nhien, Nguyen Thuy Nha, Ca, Pouplin, Thomas, Farrar, Jeremy, Thwaites, Guy E., Tran Tinh, Hien |
| Zdroj: |
Biomedical Chromatography; Jul2016, Vol. 30 Issue 7, p1104-1111, 8p |
| Abstrakt: |
A sensitive, simple method for quantification of chloroquine (CQ) and desethylchloroquine (MCQ) in whole blood and plasma from Plasmodium vivax patients has been developed using HPLC with diode array detection (DAD). Solid-phase extraction on Isolute-96-CBA was employed to process 100 μL of plasma/whole blood samples. CQ, MCQ and quinine were separated using a mobile phase of phosphate buffer 25 m m, pH 2.60-acetonitrile (88:12, v/ v) with 2 m m sodium perchlorate on a Zorbax SB-CN 150 × 4.6 mm, 5 μm column at a flow rate of 1.2 mL/min, at ambient temperature in 10 min, with the DAD wavelength of 343 nm. The method was linear over the range of 10-5000 ng/mL for both CQ and MCQ in plasma and whole blood. The limit of detection was 4 ng/mL and limit of quantification was 10 ng/mL in both plasma and blood for CQ and MCQ. The intra-, inter- and total assay precision were <10% for CQ and MCQ in plasma and whole blood. In plasma, the accuracies varied between 101 and 103%, whereas in whole blood, the accuracies ranged from 97.0 to 102% for CQ and MCQ. The method is an ideal technique with simple facilities and instruments, bringing about good separation in comparison with previous methods. © 2016 The Authors Biomedical Chromatography Published by John Wiley & Sons Ltd [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
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