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Ishii K, Ogata G, Einaga Y. Electrochemical detection of triamterene in human urine using boron-doped diamond electrodes. Biosens Bioelectron 2022; 217:114666. [PMID: 36113298 DOI: 10.1016/j.bios.2022.114666] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 08/19/2022] [Accepted: 08/25/2022] [Indexed: 11/18/2022]
Abstract
Urine is one of the most used biological fluids for screening drug delivery and the resultant metabolites. In sports, the use of diuretics such as triamterene is considered a violation of anti-doping rules and is stipulated to be present at less than 79 nM in urine by the World Anti-Doping Agency (WADA). It is therefore important to develop effective rapid and low-cost tests for this diuretic. Here we apply electrochemical analysis using boron-doped diamond (BDD) electrodes, which have superior properties such as low background current, a wide potential window, and high resistance to deactivation. Since real urine samples show clear oxidation current peaks in the potential range more positive than 0.5 V (vs. Ag/AgCl) due to the presence of bio-components such as protein, uric acid, and ascorbic acid, to detect triamterene effectively, the electrochemical protocol was optimized towards a potential range where the other components have limited effect. Our results show that reduced triamterene exhibits an oxidation peak at 0.1 V (vs. Ag/AgCl) in 0.1 M phosphate buffer (PB) and at 0.2 V (vs. Ag/AgCl) in pooled human urine. The peak current value increased according to the triamterene concentration. The limit of detection (LOD) was 3.15 nM in the PB and 7.80 nM in pooled human urine. Finally, triamterene detection was attempted in individual urine samples. Triamterene was electrochemically detectable in individual urine samples, excluding urine samples containing an excess amount of ascorbic acid. The limit of detection (LOD) in individual urine samples was determined to be 20.8 nM.
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Affiliation(s)
- Kanako Ishii
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
| | - Genki Ogata
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
| | - Yasuaki Einaga
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan.
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2
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Al-Hashimi NN, Al-Degs YS, Jaafreh S, Al-Khatib HS, El-Sheikh AH, Abdelghani JI, Jaber MR. Simultaneous determination of furosemide and carbamazepine in biological matrices by solvent bar microextraction combined with HPLC-DAD and central composite design CCD. Biomed Chromatogr 2022; 36:e5476. [PMID: 35918842 DOI: 10.1002/bmc.5476] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 07/25/2022] [Accepted: 07/27/2022] [Indexed: 11/06/2022]
Abstract
A sensitive and simple sample pretreatment method based on a two-phase solvent bar microextraction SBME technique coupled with HPLC-DAD was developed for simultaneous extraction and determination of trace amounts of furosemide and carbamazepine in human urine and plasma samples. The significance of operational factors on carbamazepine and furosemide extraction efficiency % (EE%) was screened using full factorial design (FFD) while central composite design (CCD) was used to model the entire process. A quadratic model was found convenient to correlate the extraction EE% of selected drugs with dominant experimental factors. A Pareto chart was also used to examine the importance of factors on drugs' EE%. The analytical performance of the method in urine and plasma samples demonstrated good linearity R2 ˃ 0.992 with detection limits ranging from 4.2 to 10.9 μg L-1 , and extraction recovery ˃ 89.45% for both drugs in urine and plasma samples. A comparison against published methods was also studied and the results revealed that the developed method exhibits a confident sensitivity, feasible operation, and simple analysis for both drugs. Finally, the practicability of the validated SBME-HPLC-DAD method was demonstrated by successfully applying it to the analysis of furosemide, and carbamazepine in real patient urine samples.
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Affiliation(s)
- Nabil N Al-Hashimi
- The Hashemite University, Faculty of Pharmaceutical Sciences, Department of Pharmaceutical Chemistry, Al-Zarqa, Jordan
| | - Yahya S Al-Degs
- The Hashemite University, Faculty of Science, Department of Chemistry, Al-Zarqa, Jordan
| | - Sawsan Jaafreh
- The Hashemite University, Faculty of Science, Department of Chemistry, Al-Zarqa, Jordan
| | - Hatim S Al-Khatib
- The University of Jordan, Faculty of Pharmacy, Department of Pharmaceutics and Pharmaceutical Technology, Amman, Jordan
| | - Amjad H El-Sheikh
- The Hashemite University, Faculty of Science, Department of Chemistry, Al-Zarqa, Jordan
| | - Jafar I Abdelghani
- The Hashemite University, Faculty of Science, Department of Chemistry, Al-Zarqa, Jordan
| | - Mai R Jaber
- The Hashemite University, Faculty of Pharmaceutical Sciences, Department of Pharmaceutics and Pharmaceutical Technology, Al-Zarqa, Jordan
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Membrane-based liquid-phase microextraction of basic pharmaceuticals - A study on the optimal extraction window. J Chromatogr A 2021; 1664:462769. [PMID: 34998024 DOI: 10.1016/j.chroma.2021.462769] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 12/10/2021] [Accepted: 12/20/2021] [Indexed: 11/23/2022]
Abstract
The present paper defines the optimal extraction window (OEW) for three-phase membrane-based liquid-phase microextraction (MP-LPME) in terms of analyte polarity (log P), and anchors this to existing theories for equilibrium partitioning and kinetics. Using deep eutectic solvents (DES) as supported liquid membranes (SLM), we investigated how the OEW was affected by ionic-, hydrogen bond and π-π interactions between the SLM and analyte. Eleven basic model analytes in the range -0.4 < log P < 5.0 were extracted by MB-LPME in a 96-well format. Extraction was performed from 250 µL standard solution in 25 mM phosphate buffer (pH 7.0) into 50 µL of 10 mM HCl acceptor solution (pH 2.0) with mixtures of coumarin, camphor, DL-menthol, and thymol, with and without the ionic carrier di(2-ethylhexyl) phosphate (DEHP), as the SLM. The OEW with pure DES was in the range 2 < log P < 5, and low SLM aromaticity was favorable for the extraction of non-polar analytes. Here, extraction recoveries up to 98% were obtained. Upon addition of DEHP to the SLMs, the OEW shifted to the range -0.5 < log P < 2, and a combination of 5% DEHP and moderate aromaticity resulted in extraction recoveries up to 80% for the polar analytes. Extraction with ionic carrier was inefficient for the non-polar analytes, due to excessive trapping in the SLM. The results from our study show that LPME performs optimally in a relatively narrow log P-window of ≈ 2-3 units and that the OEW is primarily affected by ionic carrier and aromaticity.
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Chen F, Fang B, Li P, Wang S. Simultaneous determination of five diuretic drugs using quantitative analysis of multiple components by a single marker. BMC Chem 2021; 15:39. [PMID: 34108013 PMCID: PMC8191180 DOI: 10.1186/s13065-021-00764-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 05/21/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Loop diuretics are commonly used in clinical practice to manage high fluid loads and to control fluid balance. In this paper, a novel quantitative analysis method for multiple components with a single marker (QAMS) was developed for the simultaneous determination of 5 diuretic drugs furosemide, torasemide, azosemide, etacrynic acid, and bumetanide, by HPLC. Qualitative analysis was performed using relative retention time and ultraviolet (UV) spectral similarity as the double indicator. The QAMS method was conducted with etacrynic acid as an internal reference substance. The quantities of the other four diuretics were calculated by using the relative correction factors for etacrynic acid. The quantities of the 5 diuretic drugs were also determined by the external standard method (ESM). Chromatographic separation was achieved on a Shimadzu HC-C18 column (150 mm × 4.6 mm, 5 µm) using 50 mM potassium dihydrogen phosphate (pH adjusted to 4.0 with phosphoric acid) with acetonitrile (64:36, v/v) as the mobile phase at a flow rate of 1.0 mL/min and a column temperature of 30 ℃. RESULTS Under these conditions, the 5 diuretic drugs were well separated, showing linear relationships within certain ranges. The quantitative results showed that there was no significant difference between the QAMS and ESM methods. CONCLUSIONS Overall, the HPLC-QAMS analytical scheme established in this study is a simple, efficient, economical, and accurate method for the quantitative evaluation of 5 diuretic drugs.
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Affiliation(s)
- Fuchao Chen
- Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei, 442008, People's Republic of China
| | - Baoxia Fang
- Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei, 442008, People's Republic of China
| | - Peng Li
- Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei, 442008, People's Republic of China
| | - Sicen Wang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, 710061, Shanxi, People's Republic of China.
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5
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Paper platform for determination of bumetanide in human urine samples to detect doping in sports using digital image analysis. Microchem J 2019. [DOI: 10.1016/j.microc.2019.03.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Nisha S, Kumar AS. Electrochemical conversion of triamterene-diuretic drug to hydroxybenzene-triamterene intermediate mimicking the pharmacokinetic reaction on multiwalled carbon nanotube surface and its electrocatalytic oxidation function of thiol. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.03.039] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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A review of the application of hollow-fiber liquid-phase microextraction in bioanalytical methods – A systematic approach with focus on forensic toxicology. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1108:32-53. [DOI: 10.1016/j.jchromb.2019.01.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 12/10/2018] [Accepted: 01/08/2019] [Indexed: 02/07/2023]
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Baranowska I, Magiera S, Baranowski J. Clinical applications of fast liquid chromatography: a review on the analysis of cardiovascular drugs and their metabolites. J Chromatogr B Analyt Technol Biomed Life Sci 2013; 927:54-79. [PMID: 23462623 DOI: 10.1016/j.jchromb.2013.02.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2012] [Revised: 01/29/2013] [Accepted: 02/01/2013] [Indexed: 01/16/2023]
Abstract
One of the major challenges facing the medicine today is developing new therapies that enhance human health. To help address these challenges the utilization of analytical technologies and high-throughput automated platforms has been employed; in order to perform more experiments in a shorter time frame with increased data quality. In the last decade various analytical strategies have been established to enhance separation speed and efficiency in liquid chromatography applications. Liquid chromatography is an increasingly important tool for monitoring drugs and their metabolites. Furthermore, liquid chromatography has played an important role in pharmacokinetics and metabolism studies at these drug development stages since its introduction. This paper provides an overview of current trends in fast chromatography for the analysis of cardiovascular drugs and their metabolites in clinical applications. Current trends in fast liquid chromatographic separations involve monolith technologies, fused-core columns, high-temperature liquid chromatography (HTLC) and ultra-high performance liquid chromatography (UHPLC). The high specificity in combination with high sensitivity makes it an attractive complementary method to traditional methodology used for routine applications. The practical aspects of, recent developments in and the present status of fast chromatography for the analysis of biological fluids for therapeutic drug and metabolite monitoring, pharmacokinetic studies and bioequivalence studies are presented.
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Affiliation(s)
- Irena Baranowska
- Department of Analytical Chemistry, Silesian University of Technology, 7M. Strzody Str., 44-100 Gliwice, Poland.
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Shentu J, Fu L, Zhou H, Hu XJ, Liu J, Chen J, Wu G. Determination of amlodipine in human plasma using automated online solid-phase extraction HPLC–tandem mass spectrometry: Application to a bioequivalence study of Chinese volunteers. J Pharm Biomed Anal 2012; 70:614-8. [DOI: 10.1016/j.jpba.2012.06.014] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2012] [Revised: 05/31/2012] [Accepted: 06/08/2012] [Indexed: 10/28/2022]
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Popović JK, Poša M, Popović KJ, Popović DJ, Milošević N, Tepavčević V. Individualization of a pharmacokinetic model by fractional and nonlinear fit improvement. Eur J Drug Metab Pharmacokinet 2012; 38:69-76. [DOI: 10.1007/s13318-012-0097-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2011] [Accepted: 05/03/2012] [Indexed: 11/28/2022]
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Bello-López MÁ, Ramos-Payán M, Ocaña-González JA, Fernández-Torres R, Callejón-Mochón M. Analytical Applications of Hollow Fiber Liquid Phase Microextraction (HF-LPME): A Review. ANAL LETT 2012. [DOI: 10.1080/00032719.2012.655676] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Badoud F, Guillarme D, Boccard J, Grata E, Saugy M, Rudaz S, Veuthey JL. Analytical aspects in doping control: challenges and perspectives. Forensic Sci Int 2011; 213:49-61. [PMID: 21824736 DOI: 10.1016/j.forsciint.2011.07.024] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2011] [Revised: 07/07/2011] [Accepted: 07/12/2011] [Indexed: 01/10/2023]
Abstract
Since the first anti-doping tests in the 1960s, the analytical aspects of the testing remain challenging. The evolution of the analytical process in doping control is discussed in this paper with a particular emphasis on separation techniques, such as gas chromatography and liquid chromatography. These approaches are improving in parallel with the requirements of increasing sensitivity and selectivity for detecting prohibited substances in biological samples from athletes. Moreover, fast analyses are mandatory to deal with the growing number of doping control samples and the short response time required during particular sport events. Recent developments in mass spectrometry and the expansion of accurate mass determination has improved anti-doping strategies with the possibility of using elemental composition and isotope patterns for structural identification. These techniques must be able to distinguish equivocally between negative and suspicious samples with no false-negative or false-positive results. Therefore, high degree of reliability must be reached for the identification of major metabolites corresponding to suspected analytes. Along with current trends in pharmaceutical industry the analysis of proteins and peptides remains an important issue in doping control. Sophisticated analytical tools are still mandatory to improve their distinction from endogenous analogs. Finally, indirect approaches will be discussed in the context of anti-doping, in which recent advances are aimed to examine the biological response of a doping agent in a holistic way.
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Affiliation(s)
- Flavia Badoud
- School of Pharmaceutical Sciences, University of Geneva and Lausanne, 20 Bd d'Yvoy, 1211 Geneva 4, Switzerland
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Highly sensitive transient isotachophoresis sample stacking coupling with capillary electrophoresis-amperometric detection for analysis of doping substances. Talanta 2010; 81:1288-94. [DOI: 10.1016/j.talanta.2010.02.023] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2009] [Revised: 01/31/2010] [Accepted: 02/07/2010] [Indexed: 11/20/2022]
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14
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Annual banned-substance review: analytical approaches in human sports drug testing. Drug Test Anal 2010; 2:149-61. [DOI: 10.1002/dta.128] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Han DD, Row KH. Analysis of Matrine Alkaloids in Human Urine by Hollow Fiber Liquid-phase Microextraction with High-performance Liquid Chromatography. JOURNAL OF THE KOREAN CHEMICAL SOCIETY-DAEHAN HWAHAK HOE JEE 2010. [DOI: 10.5012/jkcs.2010.54.01.038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Liu W, Zhang L, Wei Z, Chen S, Chen G. Analysis of β-agonists and β-blockers in urine using hollow fibre-protected liquid-phase microextraction with in situ derivatization followed by gas chromatography/mass spectrometry. J Chromatogr A 2009; 1216:5340-6. [DOI: 10.1016/j.chroma.2009.05.040] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2009] [Revised: 05/09/2009] [Accepted: 05/14/2009] [Indexed: 11/29/2022]
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