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Gray B, Lubbock K, Love C, Ryder E, Hudson S, Scarth J. Analytical advances in horseracing medication and doping control from 2018 to 2023. Drug Test Anal 2024. [PMID: 39010718 DOI: 10.1002/dta.3760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 06/07/2024] [Accepted: 06/20/2024] [Indexed: 07/17/2024]
Abstract
The analytical approaches taken by laboratories to implement robust and efficient regulation of horseracing medication and doping control are complex and constantly evolving. Each laboratory's approach will be dictated by differences in regulatory, economic and scientific drivers specific to their local environment. However, in general, laboratories will all be undertaking developments and improvements to their screening strategies in order to meet new and emerging threats as well as provide improved service to their customers. In this paper, the published analytical advances in horseracing medication and doping control since the 22nd International Conference of Racing Analysts and Veterinarians will be reviewed. Due to the unprecedented impact of COVID-19 on the worldwide economy, the normal 2-year period of this review was extended to over 5 years. As such, there was considerable ground to cover, resulting in an increase in the number of relevant publications included from 107 to 307. Major trends in publications will be summarised and possible future directions highlighted. This will cover developments in the detection of 'small' and 'large' molecule drugs, sample preparation procedures and the use of alternative matrices, instrumental advances/applications, drug metabolism and pharmacokinetics, the detection and prevalence of 'endogenous' compounds and biomarker and OMICs approaches. Particular emphasis will be given to research into the potential threat of gene doping, which is a significant area of new and continued research for many laboratories. Furthermore, developments in analytical instrumentation relevant to equine medication and doping control will be discussed.
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Piechocka J, Matwiej N, Gaweł M, Matyjaszczyk M, Głowacki R, Chwatko G. Application of the HPLC-ELSD technique for the determination of major metabolites of ibuprofen and creatinine in human urine. Sci Rep 2023; 13:20268. [PMID: 37985716 PMCID: PMC10662266 DOI: 10.1038/s41598-023-47594-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 11/15/2023] [Indexed: 11/22/2023] Open
Abstract
The report presents robust and high throughput methods, based on liquid chromatography coupled with evaporative light scattering detection (HPLC-ELSD), for the simultaneous determination of major metabolites of ibuprofen (IBU), namely 2-hydroxyibuprofen and carboxyibuprofen (method A) as well as creatinine (Crn) (method B) in human urine. The assays primarily involve straightforward sample purification. For both methods, the chromatographic separation of the analytes is achieved within 8 min at room temperature on Poroshell 120 SB-C18 (75 × 4.6 mm, 2.7 µm) column using gradient elution. The eluents consisted of 0.1% formic acid in water and acetonitrile (method A) or water and methanol (method B) delivered at a flow rate of 1 or 0.5 mL/min, respectively. In relation to metabolites of IBU, the assay linearity was observed within 0.06-0.5 g/L in urine, while the Crn assay linearity was demonstrated within 0.5-30 mmol/L in urine. The limit of quantification for IBU metabolites was determined to be 0.06 g/L, and 0.5 mmol/L for Crn. These methods were successfully applied to urine samples delivered by ten apparently healthy donors showing that the HPLC-ELSD assays are suitable for human urine screening.
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Affiliation(s)
- Justyna Piechocka
- Faculty of Chemistry, Department of Environmental Chemistry, University of Lodz, Pomorska 163/165, 90-236, Lodz, Poland.
| | - Natalia Matwiej
- Faculty of Chemistry, Department of Environmental Chemistry, University of Lodz, Pomorska 163/165, 90-236, Lodz, Poland
| | - Marta Gaweł
- Faculty of Chemistry, Department of Environmental Chemistry, University of Lodz, Pomorska 163/165, 90-236, Lodz, Poland
- Doctoral School of Exact and Natural Sciences, University of Lodz, Banacha 12/16, 90-237, Lodz, Poland
| | - Michał Matyjaszczyk
- Department of Family Medicine, Polish Mother's Memorial Hospital Research Institute, Rzgowska 281/289, 93-338, Lodz, Poland
- Department of Family Medicine, Medical University of Lodz, Narutowicza 60, 90-131, Lodz, Poland
| | - Rafał Głowacki
- Faculty of Chemistry, Department of Environmental Chemistry, University of Lodz, Pomorska 163/165, 90-236, Lodz, Poland
| | - Grażyna Chwatko
- Faculty of Chemistry, Department of Environmental Chemistry, University of Lodz, Pomorska 163/165, 90-236, Lodz, Poland.
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Doping control in horses in the Czech Republic in 2010-2019. ACTA VET BRNO 2023. [DOI: 10.2754/avb202392010039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The aim of this study was to evaluate data on doping controls in racehorses over a given ten-year period, primarily to identify positive findings and to summarise recommendations for the prevention of accidental contamination with prohibited substances, where appropriate. Data on doping controls of racehorses in the Czech Republic from 2010 to 2019 were obtained from the archives of the Jockey Club of the Czech Republic. For each year, the total number of horses starting at races held in the Czech Republic, the number of horses tested, and the results of the doping controls were determined. Data on the type of samples, positive findings and statements from responsible persons about the cause of the positive finding were recorded. During the monitoring period, 11,852 horses competed in races in the Czech Republic and 641 of them underwent a doping control. Blood was taken from 356 horses as the sample for testing and urine was collected from 285 horses. A total of 13 positive findings (2.03% of the 641 tested) were found during the period, namely of morphine, caffeine, theobromine, omeprazole sulphide, furosemide, clenbuterol, norketamine, ritalinic acid, dexamethasone, flunixin, hydroxylidocaine and oripavine. The most common cause, in a total of seven horses, was confirmed as suspected feed contamination. Prevention of positive doping results in our circumstances should therefore be directed primarily towards compliance with proper feed and stable management.
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Manousi N, Kabir A, Furton KG, Samanidou VF, Zacharis CK. Exploiting the capsule phase microextraction features in bioanalysis: Extraction of ibuprofen from urine samples. Microchem J 2022. [DOI: 10.1016/j.microc.2021.106934] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Determination of Non-Steroidal Anti-Inflammatory Drugs in Animal Urine Samples by Ultrasound Vortex-Assisted Dispersive Liquid–Liquid Microextraction and Gas Chromatography Coupled to Ion Trap-Mass Spectrometry. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10165441] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A low solvent consumption method for the determination of non-steroidal anti-inflammatory drugs (NSAIDs) in animal urine samples is studied. The NSAIDs were extracted with CH2Cl2 by the ultrasound vortex assisted dispersive liquid–liquid microextraction (USVA-DLLME) method from urine samples, previously treated with β-glucuronidase/acrylsulfatase. After centrifugation, the bottom phase of the chlorinated solvent was separated from the liquid matrix, dried with Na2SO4, and derivatized with N,O-bis(trimethylsilyl)trifluoroacetamide (BSTFA) + trimethylchlorosilane (TMCS) (99 + 1). After cooling at room temperature, the solution was concentrated under nitrogen flow, and 1 µL of solution was analyzed in gas chromatography/ion trap-mass spectrometry (GC-IT-MS). The enrichment factor was about 300–450 times and recoveries ranged from 94.1 to 101.2% with a relative standard deviation (RSD) of ≤4.1%. The USVA-DLLME process efficiency was not influenced by the characteristics of the real urine matrix; therefore, the analytical method characteristics were evaluated in the range 1–100 ng mL−1 (R2 ≥ 0.9950). The limits of detection (LODs) and limits of quantification (LOQs) were between 0.1 and 0.2 ng mL−1 with RSD ≤4.5% and between 4.1 and 4.7 ng mL−1 with RSD ≤3.5%, respectively, whereas inter- and intra-day precision was 3.8% and 4.5%, respectively. The proposed analytical method is reproducible, sensitive, and simple.
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Galhardo KS, Dadamos TR, Bettencourt da Silva RJ, Machado SA. Development and validation of an advanced electrochemical sensor for the fast and cheap determination of hydrochlorothiazide in urine samples using the Monte-Carlo method for uncertainty evaluation. Talanta 2020; 215:120883. [DOI: 10.1016/j.talanta.2020.120883] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 02/25/2020] [Accepted: 02/26/2020] [Indexed: 12/13/2022]
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Shiri S, Alizadeh K, Abbasi N. A novel technique for simultaneous determination of drugs using magnetic nanoparticles based dispersive micro-solid-phase extraction in biological fluids and wastewaters. MethodsX 2020; 7:100952. [PMID: 32596135 PMCID: PMC7306602 DOI: 10.1016/j.mex.2020.100952] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 06/03/2020] [Indexed: 12/25/2022] Open
Abstract
In this study, a novel method was developed to measure acidic and basic drugs in biological and wastewater samples. The method used magnetic nanoparticles based on Vortex-Assisted Dispersive Micro-Solid Phase Extraction (SPE) and then identifying with HPLC-UV. The magnetic nanoparticle (Fe3O4@SiO2@Kit-6@NH2) has been used as an efficient adsorbent for the extraction of acidic and basic drugs ibuprofen (IFB), fenoprofen calcium (FPC), methocarbamol (MTC), and clonazepam (CZP). The magnetic nanoparticle was characterized by techniques including SEM, XRD, EDX, and FT-IR. The effect of various parameters in the V-D-μ-SPE method was studied completely through the design of the response surface methodology (RSM) of the Box–Behnken design (BBD) based response method and the utility function. The parameters affecting the extraction efficiency were optimized including sample pH, adsorbent amount, absorption time, the salt concentration in the sample solution, CTAB of concentration, desorption time, and the volume of an eluent. After optimization, the limit of detection and calibration curve in the linear range were obtained 0.062–0.32 μg L−1 and 0.1–800 μg L−1, respectively. Its linear correlation was R2> 0.9951. The relative standard deviation (n = 5) was between 2.4% and 5.1%. Finally, this method was used to determine target analytes in human serum, urine, and wastewater.In this study, for the first time, a novel method for the determination of some drugs from human serum, urine, and wastewater samples. The Synthesized Fe3O4@SiO2@Kit-6@NH2 NPs based V-D-μ-SPE was characterized by techniques including SEM, XRD, EDX, and FT-IR. The effects of various parameters in the V-D-μ-SPE methods were studied through the design of the RSM of BBD.
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Affiliation(s)
- Sabah Shiri
- Department of Chemistry, Lorestan University, Khorramabad, Iran
- Biotechnology and Medicinal Plants Research Center, Ilam University of Medical Sciences, Ilam, Iran
| | - Kamal Alizadeh
- Department of Chemistry, Lorestan University, Khorramabad, Iran
| | - Naser Abbasi
- Biotechnology and Medicinal Plants Research Center, Ilam University of Medical Sciences, Ilam, Iran
- Department of Pharmacology, Medical School, Ilam University of Medical Sciences, Ilam, Iran
- Corresponding author at: Department of Pharmacology & Biotechnology and Medicinal Plants Research Center, Medical School, Ilam University of Medical Sciences, Ilam, Iran.
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Koçoğlu ES, Sözüdoğru O, Komesli OT, Yılmaz AE, Er EÖ, Bakırdere S. Sensitive Determination of Selected Drug Active Compounds in Wastewater Matrices by LC-QTOF-MS/MS after Vortex Assisted Binary Solvents Dispersive Liquid-Liquid Microextraction. CHEM LETT 2020. [DOI: 10.1246/cl.200066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- E. Seda Koçoğlu
- Yıldız Technical University, Department of Chemistry, 34220 İstanbul, Turkey
| | - Onur Sözüdoğru
- Atatürk University, Department of Environmental Engineering, 25240 Erzurum, Turkey
| | - Okan T. Komesli
- Atatürk University, Department of Environmental Engineering, 25240 Erzurum, Turkey
| | - Alper E. Yılmaz
- Atatürk University, Department of Environmental Engineering, 25240 Erzurum, Turkey
| | - Elif Öztürk Er
- Yıldız Technical University, Department of Chemical Engineering, 34220 İstanbul, Turkey
| | - Sezgin Bakırdere
- Yıldız Technical University, Department of Chemistry, 34220 İstanbul, Turkey
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TiO 2 nanoparticles and C-Nanofibers modified magnetic Fe 3O 4 nanospheres (TiO 2@Fe 3O 4@C-NF): A multifunctional hybrid material for magnetic solid-phase extraction of ibuprofen and photocatalytic degradation of drug molecules and azo dye. Talanta 2020; 213:120813. [PMID: 32200918 DOI: 10.1016/j.talanta.2020.120813] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 02/04/2020] [Accepted: 02/07/2020] [Indexed: 11/23/2022]
Abstract
Accurate sensitive analysis of drug ingredient substances in biological, pharmaceutical and environmental samples and removal of drug ingredient substances in environmental samples owngreat importance for sustaining viability. The realization of these processes using a single material offers significant advantages in terms of cost, time and ease of use. In this study, TiO2 nanoparticles and C-Nanofibers modified magnetic Fe3O4 nanospheres (TiO2@Fe3O4@C-NFs) synthesized as a multifunctional material employing a simple hydrothermal synthesis method. This innovative material was exploited in the magnetic solid-phase extraction (MSPE) method for the preconcentration of ibuprofen and photocatalytic degradation of antibiotics, non-steroidal anti-inflammatory drugs (NSAIDs), and azo dye. To our knowledge, no studies have been previously conducted using the same material as magnetic solid-phase extraction adsorbent and magnetically separable photocatalyst. The characterization of TiO2@Fe3O4@C-NFs was carried out by XRD, FE-SEM, EDX and Raman techniques. The main analytical parameters affecting MSPE performance of ibuprofen such as pH, sorbent amount eluent type and volume and sample volume were optimized. The optimum values of the method were determined at the following parameters: pH 4.0, adsorbent amount 150 mg and eluent 2 mL of acetone. Ibuprofen analysis after MSPE was carried out using a high-performance liquid chromatography diode array detection system (HPLC-DAD). The photocatalytic degradation efficiencies of TiO2@Fe3O4@C-NF hybrid material for probe-analytes reached 80-100% and the complete degradation attained within the range of 8-125 min under UV irradiation. Simple preparation, practical isolation from solutions, high efficiency, reproducibility, and sustainability are the main advantages of the TiO2@Fe3O4@C-NFs for MSPE and photocatalytic degradation applications.
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Waraksa E, Woźniak MK, Banaszkiewicz L, Kłodzińska E, Ozimek M, Wrzesień R, Bobrowska-Korczak B, Namieśnik J. Quantification of unconjugated and total ibuprofen and its metabolites in equine urine samples by gas chromatography–tandem mass spectrometry: Application to the excretion study. Microchem J 2019. [DOI: 10.1016/j.microc.2019.104129] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Waraksa E, Woźniak MK, Kłodzińska E, Wrzesień R, Bobrowska-Korczak B, Namieśnik J. A rapid and sensitive method for the quantitative analysis of ibuprofen and its metabolites in equine urine samples by gas chromatography with tandem mass spectrometry. J Sep Sci 2018; 41:3881-3891. [DOI: 10.1002/jssc.201800614] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 08/06/2018] [Accepted: 08/06/2018] [Indexed: 11/05/2022]
Affiliation(s)
- Emilia Waraksa
- Faculty of Chemistry; Department of Analytical Chemistry; Gdańsk University of Technology; Gdańsk Poland
- Department of Analytical Chemistry and Instrumental Analysis; Institute of Sport - National Research Institute; Warsaw Poland
| | - Mateusz Kacper Woźniak
- Faculty of Chemistry; Department of Analytical Chemistry; Gdańsk University of Technology; Gdańsk Poland
| | - Ewa Kłodzińska
- Department of Analytical Chemistry and Instrumental Analysis; Institute of Sport - National Research Institute; Warsaw Poland
| | - Robert Wrzesień
- Central Laboratory of Experimental Animal; Medical University of Warsaw; Warsaw Poland
| | | | - Jacek Namieśnik
- Faculty of Chemistry; Department of Analytical Chemistry; Gdańsk University of Technology; Gdańsk Poland
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