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Noori M, Talebpour Z. Green method for 17-hydroxyprogesterone extraction and determination using PDMS stir bar sorptive extraction coupled with HPLC: optimization by response surface methodology. Sci Rep 2024; 14:16192. [PMID: 39003299 PMCID: PMC11246442 DOI: 10.1038/s41598-024-66355-9] [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: 01/15/2024] [Accepted: 07/01/2024] [Indexed: 07/15/2024] Open
Abstract
Quantifying small amounts of the 17-hydroxyprogesterone in various matrix is crucial for different purposes. In this study, a commercial polydimethylsiloxane stir bar was used to extract hormone from water and urine samples. Analysis was performed by high-performance liquid chromatography using a UV detector. The response surface methodology was used to optimize the desorption and extraction steps, with predicted optimal point relative errors of 1.25% and 6.40%, respectively. The optimized method was validated with a linear range of 1.21-1000.00 for aqueous and 2.43-2000.00 ng mL-1 for urine samples. The coefficient of determination was 0.9998 and 0.9967, and the detection limit of the proposed method was obtained to be 0.40 and 0.80 ng mL-1 for aqueous and urine samples, respectively. The recovery percentage and relative standard deviation within a day and between three days after the addition of three different concentration levels of the standard to the control sample were 87-103% and 0.4-3.6% for aqueous and 87.5-101% and 0.1-5.2% for urine samples, respectively. The results show that the proposed method can be appropriate and cost-effective for extracting and analyzing this hormone. In addition, using three different tools, the greenness of the proposed method was proven.
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Affiliation(s)
- Maedeh Noori
- Department of Analytical Chemistry, Faculty of Chemistry, Alzahra University, Vanak, Tehran, Iran
| | - Zahra Talebpour
- Department of Analytical Chemistry, Faculty of Chemistry, Alzahra University, Vanak, Tehran, Iran.
- Analytical and Bioanalytical Research Centre, Alzahra University, Vanak, Tehran, Iran.
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Salahaddin Taha S, Salahuddin Ali D. Ion-pair vortex assisted liquid phase micro-extraction coupled with UV-visible spectrophotometry for the determination of mesalazine in pharmaceutical formulations. ANNALES PHARMACEUTIQUES FRANÇAISES 2024; 82:483-492. [PMID: 37923008 DOI: 10.1016/j.pharma.2023.10.011] [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: 08/19/2023] [Revised: 10/19/2023] [Accepted: 10/27/2023] [Indexed: 11/07/2023]
Abstract
This study demonstrates an effective, simple, and selective method for monitoring mesalazine in pharmaceutical formulations using liquid phase micro-extraction (LPME) and spectrophotometry. Combining LPME with spectrophotometry is an efficient method for analysing various compounds in different matrices. This method is based on extracting the ion-pair formed between the blue indophenol produced by the oxidative reaction of mesalazine and syringic acid in an alkaline medium and a quaternary ammonium salt into a micro-volume of organic solvent. The experimental parameters influencing LPME performance, such as the type and concentration of the quaternary ammonium ion salt and the type and volume of the extractant solvent, were optimised for optimal detection. The linear range and the limit of detection for measuring red species in pharmaceutical formulations were determined to be 0.005-0.080 μg/mL-1 and 0.003 μg/mL-1, respectively, with a relative standard deviation of 4-6%. The method had a preconcentration factor of 50 at 520nm, making it highly efficient and reliable for monitoring mesalazine in pharmaceutical formulations.
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Affiliation(s)
- Suzan Salahaddin Taha
- Department of Chemistry, College of Science, Salahaddin University, Erbil, Kurdistan Region, Iraq
| | - Diyar Salahuddin Ali
- Department of Chemistry, College of Science, Salahaddin University, Erbil, Kurdistan Region, Iraq; Department of Pharmacy, College of Pharmacy, Knowledge University, Erbil, Kurdistan Region, Iraq.
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Wu J, Zheng L, Huang X. Fabrication and evaluation of a molecular-imprinted-polymer functionalized electrode for selective electric field-assisted solid-phase microextraction of phytohormones. Talanta 2024; 270:125572. [PMID: 38157736 DOI: 10.1016/j.talanta.2023.125572] [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: 09/05/2023] [Revised: 12/10/2023] [Accepted: 12/18/2023] [Indexed: 01/03/2024]
Abstract
Specific extraction and separation plays a pivotal role in the accurate quantification of trace phytohormones (PHs). However, due to their high polarity, specific capture of PHs is challenging. In this study, under the assistance of electric field, a molecular-imprinted-polymer functionalized electrode (MIP@ED) was in-situ prepared using 3-indoleacetic acid (IAA) as template and employed as the adsorbent of electric field-assisted solid-phase microextraction (EA-SPME) for specific capture of PHs. Results showed that the implementation of electric field during the preparation of MIP@ED and EA-SPME procedures improved the extraction selectivity, the selective factors towards IAA and its structural analogues increased from 2.09 to 2.45 to 2.88-3.51. Under the optimum conditions, the proposed MIP@ED/EA-SPME was combined with HPLC technique to monitor trace PHs in water and agricultural products. The achieved limits of detection were in the ranges of 0.0053-0.011 μg/L and 0.048-0.12 μg/kg for water and agricultural product, respectively. The established approach was successfully applied to quantify trace PHs in real samples, and the spiked recoveries varied from 84.0 % to 118 % with good repeatability (RSDs blow 10 %). The obtained results provided clear evidence that the developed approach employing the MIP@ED/EA-SPME technique demonstrated high sensitivity, good selectivity, satisfactory reproducibility and environmental friendliness in the quantification of trace PHs in complex samples. In addition, the current study supplied a new strategy to enhance the specific recognition performance of MIP-based SPME.
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Affiliation(s)
- Jiangyi Wu
- Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, College of the Environment and Ecology, Xiamen University, Xiamen, 361005, China
| | - Lingxin Zheng
- Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, College of the Environment and Ecology, Xiamen University, Xiamen, 361005, China
| | - Xiaojia Huang
- Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, College of the Environment and Ecology, Xiamen University, Xiamen, 361005, China.
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Dugheri S, Squillaci D, Saccomando V, Marrubini G, Bucaletti E, Rapi I, Fanfani N, Cappelli G, Mucci N. An Automated Micro Solid-Phase Extraction (μSPE) Liquid Chromatography-Mass Spectrometry Method for Cyclophosphamide and Iphosphamide: Biological Monitoring in Antineoplastic Drug (AD) Occupational Exposure. Molecules 2024; 29:638. [PMID: 38338382 PMCID: PMC10856084 DOI: 10.3390/molecules29030638] [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: 12/28/2023] [Revised: 01/23/2024] [Accepted: 01/26/2024] [Indexed: 02/12/2024] Open
Abstract
Despite the considerable steps taken in the last decade in the context of antineoplastic drug (AD) handling procedures, their mutagenic effect still poses a threat to healthcare personnel actively involved in compounding and administration units. Biological monitoring procedures usually require large volumes of sample and extraction solvents, or do not provide adequate sensitivity. It is here proposed a fast and automated method to evaluate the urinary levels of cyclophosphamide and iphosphamide, composed of a miniaturized solid phase extraction (µSPE) followed by ultrahigh-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) analysis. The extraction procedure, developed through design of experiments (DoE) on the ePrep One Workstation, required a total time of 9.5 min per sample, with recoveries of 77-79% and a solvent consumption lower than 1.5 mL per 1 mL of urine sample. Thanks to the UHPLC-MS/MS method, the limits of quantification (LOQ) obtained were lower than 10 pg/mL. The analytical procedure was successfully applied to 23 urine samples from compounding wards of four Italian hospitals, which resulted in contaminations between 27 and 182 pg/mL.
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Affiliation(s)
- Stefano Dugheri
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy; (D.S.); (V.S.); (E.B.); (I.R.); (N.F.); (G.C.); (N.M.)
| | - Donato Squillaci
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy; (D.S.); (V.S.); (E.B.); (I.R.); (N.F.); (G.C.); (N.M.)
| | - Valentina Saccomando
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy; (D.S.); (V.S.); (E.B.); (I.R.); (N.F.); (G.C.); (N.M.)
| | - Giorgio Marrubini
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy;
| | - Elisabetta Bucaletti
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy; (D.S.); (V.S.); (E.B.); (I.R.); (N.F.); (G.C.); (N.M.)
| | - Ilaria Rapi
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy; (D.S.); (V.S.); (E.B.); (I.R.); (N.F.); (G.C.); (N.M.)
| | - Niccolò Fanfani
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy; (D.S.); (V.S.); (E.B.); (I.R.); (N.F.); (G.C.); (N.M.)
| | - Giovanni Cappelli
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy; (D.S.); (V.S.); (E.B.); (I.R.); (N.F.); (G.C.); (N.M.)
| | - Nicola Mucci
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy; (D.S.); (V.S.); (E.B.); (I.R.); (N.F.); (G.C.); (N.M.)
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Dugheri S, Cappelli G, Fanfani N, Ceccarelli J, Marrubini G, Squillaci D, Traversini V, Gori R, Mucci N, Arcangeli G. A New Perspective on SPME and SPME Arrow: Formaldehyde Determination by On-Sample Derivatization Coupled with Multiple and Cooling-Assisted Extractions. Molecules 2023; 28:5441. [PMID: 37513313 PMCID: PMC10383053 DOI: 10.3390/molecules28145441] [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: 06/16/2023] [Revised: 07/10/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023] Open
Abstract
Formaldehyde (FA) is a toxic compound and a human carcinogen. Regulating FA-releasing substances in commercial goods is a growing and interesting topic: worldwide production sectors, like food industries, textiles, wood manufacture, and cosmetics, are involved. Thus, there is a need for sensitive, economical, and specific FA monitoring tools. Solid-phase microextraction (SPME), with O-(2,3,4,5,6-pentafluorobenzyl)-hydroxylamine (PFBHA) on-sample derivatization and gas chromatography, is proposed for FA monitoring of real-life samples. This study reports the use of polydimethylsiloxane (PDMS) as a sorbent phase combined with innovative commercial methods, such as multiple SPME (MSPME) and cooling-assisted SPME, for FA determination. Critical steps, such as extraction and sampling, were evaluated in method development. The derivatization was performed at 60 °C for 30 min, followed by 15 min sampling at 10 °C, in three cycles (SPME Arrow) or six cycles (SPME). The sensitivity was satisfactory for the method's purposes (LOD-LOQ at 11-36 ng L-1, and 8-26 ng L-1, for SPME and SPME Arrow, respectively). The method's linearity ranges from the lower LOQ at trace level (ng L-1) to the upper LOQ at 40 mg L-1. The precision range was 5.7-10.2% and 4.8-9.6% and the accuracy was 97.4% and 96.3% for SPME and SPME Arrow, respectively. The cooling MSPME set-up applied to real commercial goods provided results of quality comparable to previously published data.
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Affiliation(s)
- Stefano Dugheri
- Industrial Hygiene and Toxicology Laboratory, University Hospital Careggi, 50134 Florence, Italy
| | - Giovanni Cappelli
- Department of Experimental and Clinical Medicine, University of Florence, 50121 Florence, Italy
| | - Niccolò Fanfani
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, 50121 Florence, Italy
| | - Jacopo Ceccarelli
- Department of Experimental and Clinical Medicine, University of Florence, 50121 Florence, Italy
| | - Giorgio Marrubini
- Department of Drug Sciences, University of Pavia, 27100 Pavia, Italy
| | - Donato Squillaci
- Department of Experimental and Clinical Medicine, University of Florence, 50121 Florence, Italy
| | - Veronica Traversini
- Department of Experimental and Clinical Medicine, University of Florence, 50121 Florence, Italy
| | - Riccardo Gori
- Department of Civil and Environmental Engineering, University of Florence, 50121 Florence, Italy
| | - Nicola Mucci
- Department of Experimental and Clinical Medicine, University of Florence, 50121 Florence, Italy
| | - Giulio Arcangeli
- Department of Experimental and Clinical Medicine, University of Florence, 50121 Florence, Italy
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Magnetic solid-phase extraction based on GO/Fe 3O 4 coupled with UPLC-MS/MS for determining nitroimidazoles and their metabolites in honey. Talanta 2023; 254:124181. [PMID: 36512971 DOI: 10.1016/j.talanta.2022.124181] [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: 09/22/2022] [Revised: 12/04/2022] [Accepted: 12/05/2022] [Indexed: 12/13/2022]
Abstract
A magnetic graphene oxide (GO/Fe3O4) nanocomposite was synthesized in one step by a chemical coprecipitation method, which was further used for magnetic solid-phase extraction (MSPE). This study aimed to combine GO/Fe3O4 with ultra-high-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) to detect the nitroimidazoles (NDZs) and their three major metabolites in honey samples. GO/Fe3O4 was characterized by transmission electron microscopy (TEM), Fourier transform-infrared (FT-IR) spectroscopy, and magnetic property measurement system (MPMS), and the influencing parameters such as adsorbent amount, pH of the dissolved sample solution, sample volume, type and volume of the eluent, shaking speed, and adsorption and desorption time were optimized. Under the optimized conditions, the limits of detection (LOD) and quantitation (LOQ) of the method were 0.003-0.08 μg kg-1 and 0.009-0.3 μg kg-1, respectively, with good linearity reported in the range of 0.5-20 μg kg-1 (R2 ≥ 0.9991). The average recoveries of 10 analytes were in the range of 66.0%-90.8% with relative standard deviations (RSD) lower than 6.9% (n = 6). The preparation of GO/Fe3O4 and the extraction process were convenient and rapid, and consumed small amounts of organic solvents. The optimized method was successfully applied for extracting NDZs and their three major metabolites from honey samples with good accuracy.
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Solid-Phase Microextraction—Gas Chromatography Analytical Strategies for Pesticide Analysis. Methods Protoc 2022; 5:mps5050082. [PMID: 36287054 PMCID: PMC9609045 DOI: 10.3390/mps5050082] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 10/13/2022] [Accepted: 10/14/2022] [Indexed: 11/28/2022] Open
Abstract
Due to their extensive use and the globalized commerce of agricultural goods, pesticides have become a global concern. Despite the undoubtful advantages of their use in agricultural practices, their misuse is a threat to the environment and human health. Their analysis in environmental samples and in food products continues to gain interest in the analytical chemistry community as they are challenging matrices, and legal concentration limits are particularly low (in the order of ppb). In particular, the use of solid-phase microextraction (SPME) has gained special attention in this field thanks to its potential to minimize the matrix effect, while enriching its concentration, allowing very low limits of detection, and without the need of a large amount of solvents or lengthy procedures. Moreover, its combination with gas chromatography (GC) can be easily automated, making it a very interesting approach for routine analysis. In this review, advances and analytical strategies for the use of SPME coupled with GC are discussed and compared for the analysis of pesticides in food and environmental samples, hopefully encouraging its further development and routine application in this field.
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