1
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Nahandast M, Darvishnejad F, Raoof JB, Ghani M. Modification of cellulose substrate by in situ synthesis of metal-organic framework-5 for thin film microextraction of some non-steroidal anti-inflammatory drugs and their measurement by high-performance liquid chromatography-ultraviolet detector. J Chromatogr A 2024; 1724:464924. [PMID: 38653038 DOI: 10.1016/j.chroma.2024.464924] [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: 01/29/2024] [Revised: 04/14/2024] [Accepted: 04/18/2024] [Indexed: 04/25/2024]
Abstract
This work, reports the successful preparation a thin film by a simple and inexpensive process for quantification of a model analytes in the urine sample using HPLC-UV. To this end, cellulose paper was employed as a substrate for the in-situ synthesis of MOF-5, to increase the resistance of the prepared film. The prepared film can be reused 26 times with no reduction in its performance. The thin film prepared by MOF-5 modified cellulose substrate was utilized in thin film microextraction (TFME) method for the extraction and preconcentration of naproxen, aspirin, tolmetin, and celecoxib. Under optimal conditions, the linear dynamic range of the target analytes was 2-500 µg L-1 with correlation coefficients (R2) ranging from 0.9961 to 0.9990. Also, the limits of detection (LODs), the limits of quantification (LOQs) and relative standard deviation (RSD%) of the proposed method for selected analytes ranged between 0.57 and 0.77 µg L-1, 1.7 to 2.3 and 3.5 % to 6.2 %, respectively. Moreover, relative recoveries varied from of 94 % to 108 %, indicating the absence of matrices effect in the proposed method. Eventually, the TFME was successfully used for the extraction of selected analytes from urine samples.
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Affiliation(s)
- Mahyar Nahandast
- Electroanalytical Chemistry Research Laboratory, Department of Analytical Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, Iran
| | - Fatemeh Darvishnejad
- Electroanalytical Chemistry Research Laboratory, Department of Analytical Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, Iran
| | - Jahan Bakhsh Raoof
- Electroanalytical Chemistry Research Laboratory, Department of Analytical Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, Iran.
| | - Milad Ghani
- Department of Analytical Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, Iran
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2
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Golmohammadpour M, Ayazi Z, Mohammad-Rezaei R. Fabrication of MXene/chitosan/polyurea nanocomposite decorated on a graphenized substrate for electro-enhanced solid-phase microextraction of diclofenac followed by its determination using differential pulse voltammetry. Mikrochim Acta 2024; 191:315. [PMID: 38720091 DOI: 10.1007/s00604-024-06379-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Accepted: 04/22/2024] [Indexed: 06/11/2024]
Abstract
A novel solid-phase microextraction fiber based on MXene-chitosan-polyurea (MXene/CS/EPPU) nanocomposite decorated on a graphenized pencil lead fiber (MXene/CS/EPPU/GPLF) was prepared and utilized for electro-enhanced solid-phase microextraction (EE-SPME) of diclofenac (DCF) in biological samples. After extraction and desorption of DCF, it was determined by differential pulse voltammetry (DPV). For this purpose, the working electrode was prepared by deposition of the mentioned MXene/CS/EPPU nanocomposite onto the graphenized pencil lead. The synthesized SPME fiber was characterized using scanning electron microscopy and X-ray diffraction techniques. The effect of various parameters influencing the extraction and the desorption process were investigated, including applied voltage in the extraction and desorption steps, extraction and desorption times, and pH. The developed method exhibited a rather wide linearity in the range 2-1200 ng mL-1 (R2 = 0.985) for the determination of DCF in plasma samples. The limit of detection and the limit of quantification for plasma samples were estimated to be 0.58 and 1.9 ng mL-1 based on the 3Sb/m and 10Sb/m definitions, respectively. The method's accuracy and applicability have been evaluated by the analysis of plasma samples, leading to the relative recoveries in the range 87.0% and 98.0% with the relative standard deviations lower than 3.1%.
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Affiliation(s)
- Mahdi Golmohammadpour
- Electroanalytical Chemistry Research Laboratory, Faculty of Sciences, Azarbaijan Shahid Madani University, P.O.Box:53714-161, Tabriz, Iran
| | - Zahra Ayazi
- Electroanalytical Chemistry Research Laboratory, Faculty of Sciences, Azarbaijan Shahid Madani University, P.O.Box:53714-161, Tabriz, Iran.
| | - Rahim Mohammad-Rezaei
- Electroanalytical Chemistry Research Laboratory, Faculty of Sciences, Azarbaijan Shahid Madani University, P.O.Box:53714-161, Tabriz, Iran.
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3
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Leszczyńska D, Hallmann A, Treder N, Bączek T, Roszkowska A. Recent advances in the use of SPME for drug analysis in clinical, toxicological, and forensic medicine studies. Talanta 2024; 270:125613. [PMID: 38159351 DOI: 10.1016/j.talanta.2023.125613] [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: 10/12/2023] [Revised: 12/21/2023] [Accepted: 12/27/2023] [Indexed: 01/03/2024]
Abstract
Solid-phase microextraction (SPME) has gained attention as a simple, fast, and non-exhaustive extraction technique, as its unique features enable its use for the extraction of many classes of drugs from biological matrices. This sample-preparation approach consolidates sampling and sample preparation into a single step, in addition to providing analyte preconcentration and sample clean-up. These features have helped SPME become an integral part of several analytical protocols for monitoring drug concentrations in human matrices in clinical, toxicological, and forensic medicine studies. Over the years, researchers have continued to develop the SPME technique, resulting in the introduction of novel sorbents and geometries, which have resulted in improved extraction efficiencies. This review summarizes developments and applications of SPME published between 2016 and 2022, specifically in relation to the analysis of central nervous system drugs, drugs used to treat cardiovascular disorders and bacterial infections, and drugs used in immunosuppressive and anticancer therapies.
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Affiliation(s)
- Dagmara Leszczyńska
- Department of Pharmaceutical Biochemistry, Medical University of Gdańsk, Gdańsk, 80-211, Poland
| | - Anna Hallmann
- Department of Pharmaceutical Biochemistry, Medical University of Gdańsk, Gdańsk, 80-211, Poland
| | - Natalia Treder
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, 80-416, Poland
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, 80-416, Poland
| | - Anna Roszkowska
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, 80-416, Poland.
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4
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Sahragard A, Dvořák M, J. Carrasco-Correa E, Varanasupakul P, Kubáň P, Miró M. Programmable Millifluidic Platform Integrating Automatic Electromembrane Extraction Cleanup and In-Line Electrochemical Detection: A Proof of Concept. ACS Sens 2022; 7:3161-3168. [PMID: 36200176 PMCID: PMC9623577 DOI: 10.1021/acssensors.2c01648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
A fully automatic millifluidic sensing platform coupling in-line nonsupported microelectromembrane extraction (μ-EME) with electrochemical detection (ECD) is herein proposed for the first time. Exploiting the features of the second generation of flow analysis, termed sequential injection (SI), the smart integration of SI and μ-EME-ECD enables (i) the repeatable formation of microvolumes of phases for the extraction step in a membrane-less (nonsupported) arrangement, (ii) diverting the acceptor plug to the ECD sensing device, (iii) in-line pH adjustment before the detection step, and (iv) washing of the platform for efficient removal of remnants of wetting film solvent, all entirely unsupervised. The real-life applicability of the miniaturized sensing system is studied for in-line sample cleanup and ECD of diclofenac as a model analyte after μ-EME of urine as a complex biological sample. A comprehensive study of the merits and the limitations of μ-EME solvents on ECD is presented. Under the optimal experimental conditions using 14 μL of unprocessed urine as the donor, 14 μL of 1-nonanol as the organic phase, and 14 μL of 25 mM NaOH as the acceptor in a 2.4 mm ID PTFE tubing, an extraction voltage of 250 V, and an extraction time of 10 min, an absolute (mass) extraction recovery of 48% of diclofenac in urine is obtained. The proposed flow-through system is proven to efficiently remove the interfering effect of predominantly occurring organic species in human urine on ECD with RSD% less than 8.6%.
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Affiliation(s)
- Ali Sahragard
- Department
of Chemistry, Faculty of Science, Chulalongkorn
University, Bangkok10330, Thailand
| | - Miloš Dvořák
- Institute
of Analytical Chemistry of the Czech Academy of Sciences, Veveří 97, BrnoCZ-60200, Czech Republic
| | - Enrique J. Carrasco-Correa
- CLECEM
group, Department of Analytical Chemistry, University of Valencia, C/Doctor Moliner 50, Burjassot, Valencia46100, Spain
| | - Pakorn Varanasupakul
- Department
of Chemistry, Faculty of Science, Chulalongkorn
University, Bangkok10330, Thailand
| | - Pavel Kubáň
- Institute
of Analytical Chemistry of the Czech Academy of Sciences, Veveří 97, BrnoCZ-60200, Czech Republic
| | - Manuel Miró
- FI-TRACE
Group, Department of Chemistry, Faculty of Science, University of the Balearic Islands, Carretera de Valldemossa km 7.5, Palma de Mallorca, Illes BalearsE-07122, Spain,
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5
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Jalali Sarvestani MR, Madrakian T, Afkhami A. Ultra-trace levels voltammetric determination of Pb 2+ in the presence of Bi 3+ at food samples by a Fe 3O 4@Schiff base Network 1 modified glassy carbon electrode. Talanta 2022; 250:123716. [PMID: 35792444 DOI: 10.1016/j.talanta.2022.123716] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/20/2022] [Accepted: 06/27/2022] [Indexed: 01/08/2023]
Abstract
In this research, a highly sensitive electrochemical sensor was developed for the square wave anodic stripping voltammetric determination of Pb2+ at ultra-trace levels. A Glassy carbon electrode was modified with an in-situ electroplated bismuth film and the nanocomposite of a recently synthesized melamine based covalent organic framework (schiff base network1 (SNW1)) and Fe3O4 nanoparticles (Fe3O4@SNW1). The obtained results exhibit clearly that combination of Fe3O4@SNW1 and in-situ electroplated bismuth film enhances the sensitivity of the modified electrode towards Pb2+ remarkably. A Plackett-Burman design was implemented for screening experimental factors to specify the significant variables influencing the sensitivity of the electroanalytical method. Afterward, the effective factors were optimized using Box-Behnken design (BBD). Under optimized conditions, the proposed electrode showed a linear response towards Pb2+ in the concentration range of 0.003-0.3 μmol L-1 with the detection limit of 0.95 nmol L-1. The selectivity of the fabricated electrode towards different ionic species were checked out and no serious interference was observed. At the end, the application of the designed sensor in the determination of Pb2+ at 10 different edible specimens were investigated and the obtained recovery values were in the range of (95.56-106.64%) indicating the successful performance of the designed sensor.
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Affiliation(s)
| | - Tayyebeh Madrakian
- Faculty of Chemistry, Bu-Ali Sina University, Hamedan, 6517838695, Iran.
| | - Abbas Afkhami
- Faculty of Chemistry, Bu-Ali Sina University, Hamedan, 6517838695, Iran
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Wang F, Du J, Zhou H, Chang N, Kang J, Wang X, Du X. Controllable growth of flower-like hierarchical CoNiO2 nanoflakes anchored on Nitinol fiber substrate with good selectivity for highly efficient solid-phase microextraction of polycyclic aromatic hydrocarbons in water. Anal Chim Acta 2022; 1192:339371. [DOI: 10.1016/j.aca.2021.339371] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 12/06/2021] [Accepted: 12/09/2021] [Indexed: 11/01/2022]
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7
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Daryanavard SM, Zolfaghari H, Abdel-Rehim A, Abdel-Rehim M. Recent applications of microextraction sample preparation techniques in biological samples analysis. Biomed Chromatogr 2021; 35:e5105. [PMID: 33660303 DOI: 10.1002/bmc.5105] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/26/2021] [Accepted: 02/05/2021] [Indexed: 12/11/2022]
Abstract
Analysis of biological samples is affected by interfering substances with chemical properties similar to those of the target analytes, such as drugs. Biological samples such as whole blood, plasma, serum, urine and saliva must be properly processed for separation, purification, enrichment and chemical modification to meet the requirements of the analytical instruments. This causes the sample preparation stage to be of undeniable importance in the analysis of such samples through methods such as microextraction techniques. The scope of this review will cover a comprehensive summary of available literature data on microextraction techniques playing a key role for analytical purposes, methods of their implementation in common biological samples, and finally, the most recent examples of application of microextraction techniques in preconcentration of analytes from urine, blood and saliva samples. The objectives and merits of each microextration technique are carefully described in detail with respect to the nature of the biological samples. This review presents the most recent and innovative work published on microextraction application in common biological samples, mostly focused on original studies reported from 2017 to date. The main sections of this review comprise an introduction to the microextraction techniques supported by recent application studies involving quantitative and qualitative results and summaries of the most significant, recently published applications of microextracion methods in biological samples. This article considers recent applications of several microextraction techniques in the field of sample preparation for biological samples including urine, blood and saliva, with consideration for extraction techniques, sample preparation and instrumental detection systems.
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Affiliation(s)
| | - Hesane Zolfaghari
- Department of Chemistry, Faculty of Science, University of Hormozgan, Bandar-Abbas, Iran
| | - Abbi Abdel-Rehim
- Department of Chemical Engineering and Biotechnology, Cambridge University, Cambridge, UK
| | - Mohamed Abdel-Rehim
- Functional Materials Division, Department of Applied Physics, School of Engineering Sciences, KTH Royal Institute of Technology, Stockholm, Sweden.,Department of Clinical Neuroscience, Centre for Psychiatry Research, Karolinska Institutet, Solna, Sweden
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8
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Barabi A, Seidi S, Rouhollahi A, Manouchehri M, Shanehsaz M, Rasouli F. Electrochemically synthesized NiFe layered double hydroxide modified Cu(OH) 2 needle-shaped nanoarrays: A novel sorbent for thin-film solid phase microextraction of antifungal drugs. Anal Chim Acta 2020; 1131:90-101. [PMID: 32928484 DOI: 10.1016/j.aca.2020.07.053] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 07/16/2020] [Accepted: 07/20/2020] [Indexed: 01/05/2023]
Abstract
Herein, we applied a simple electrosynthesis process to deposit nickel-iron layered double hydroxides (NiFe LDH) on the surface of copper hydroxide (Cu(OH)2) needle-shaped nanoarrays and introduce a new sorbent for thin-film solid phase microextraction (TF-SPME). For this purpose, the nanoarrays were grown via electrochemical anodization on a copper foil's surface and then modified with NiFe LDH. The synthesized sorbent was characterized by field emission-scanning electron microscopy, Brunauer-Emmett-Teller (BET), and Barrett-Joiner-Halenda (BJH) analysis, energy-dispersive X-ray spectroscopy, and X-ray diffraction. The Cu(OH)2-NiFe LDH based TF-SPME method was used to measure antifungal drugs in veterinary plasma samples followed by HPLC-UV analysis. The effects of various parameters in the extraction efficiency, including pH (5.0), extraction time (20 min), stirring rate (500 rpm), and salt effect (5.0%), type of eluent (acetonitrile), eluent volume (100 μL) and desorption time (5 min) were thoroughly optimized. Under the optimum conditions, limits of detection for ketoconazole, clotrimazole, and miconazole were obtained below 10 ng mL-1. Intra-day, inter-day and film-to-film RSDs% were obtained less than 6.2%, 7.3% and 7.0%, respectively. Moreover, calibration plots were linear from 30 to 5000 ng mL-1 for ketoconazole, 8.0-1000 ng mL-1 for clotrimazole, and 15-1000 ng mL-1 for miconazole, with determination coefficients between 0.9937 and 0.9971. Finally, good relative recoveries (%) in the range of 85-97% were obtained for measuring trace amounts of antifungal drugs in dogs' plasma samples. As a result, the method can be considered as an appropriate alternative to the conventional sample preparation methods for measuring trace amounts of antifungal drugs in biological samples.
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Affiliation(s)
- Ailin Barabi
- Department of Analytical Chemistry, K.N. Toosi University of Technology, Tehran, Iran
| | - Shahram Seidi
- Department of Analytical Chemistry, K.N. Toosi University of Technology, Tehran, Iran.
| | - Ahmad Rouhollahi
- Department of Analytical Chemistry, K.N. Toosi University of Technology, Tehran, Iran
| | - Mahshid Manouchehri
- Department of Analytical Chemistry, K.N. Toosi University of Technology, Tehran, Iran
| | - Maryam Shanehsaz
- Analytical Chemistry Research Laboratory, Mobin Shimi Azma Company, Tehran, Iran
| | - Fatemeh Rasouli
- Department of Analytical Chemistry, K.N. Toosi University of Technology, Tehran, Iran
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9
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Alipour F, Raoof JB, Ghani M. In-situ synthesis of flower like Co3O4 nanorod arrays on anodized aluminum substrate templated from layered double hydroxide as a nanosorbent for thin film microextraction of acidic drugs followed by HPLC-UV quantitation. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1144:122090. [DOI: 10.1016/j.jchromb.2020.122090] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Revised: 02/19/2020] [Accepted: 03/25/2020] [Indexed: 01/19/2023]
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10
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Ghani M. Nanocrystalline cellulose as a biotemplate for preparation of porous titania thin film as a sorbent for thin film microextraction of ketorolac, meloxicam, diclofenac and mefenamic acid. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1142:122039. [PMID: 32163902 DOI: 10.1016/j.jchromb.2020.122039] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 02/20/2020] [Accepted: 02/21/2020] [Indexed: 11/25/2022]
Abstract
The present study included the procedure of preparing porous titania thin film using a direct nanocrystalline cellulose templating (NCC) as a bio-template. The microextraction applicability of the porous film was investigated by thin film microextraction (TFME) of the nonsteroidal anti-inflammatory drugs (NSAIDs) including ketorolac, meloxicam, diclofenac and mefenamic acid from different types of urine sample. The extracted NSAIDs were analyzed by HPLC-UV. Under optimum conditions, the calibration curves were linear within the range of 1.0-500 µg L-1 (2.0-200 µg L-1 for ketorolac, 2.0-500 µg L-1 for meloxicam, 1.0-200 µg L-1 for diclofenac and 1.0-200 µg L-1 for mefenamic acid). The limit of detection was found to be between 0.2 and 0.5 µg L-1. The calculated intra- and inter-day relative standard deviations RSDs% (n = 3) at concentration level of 10 µg L-1 were less than 6.3% and 6.0%, respectively. Finally, the method was successfully applied to determine selected NSAIDs in urine samples from different human individuals.
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Affiliation(s)
- Milad Ghani
- Department of Analytical Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, Iran.
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11
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Sarp G, Yilmaz E. A flower-like hybrid material composed of Fe 3O 4, graphene oxide and CdSe nanodots for magnetic solid phase extraction of ibuprofen prior to its quantification by HPLC detection. Mikrochim Acta 2019; 186:744. [PMID: 31686272 DOI: 10.1007/s00604-019-3875-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 09/26/2019] [Indexed: 01/30/2023]
Abstract
A flower-like Fe3O4/GO/CdSe nanodot magnetic hybrid material was produced and applied to magnetic solid-phase extraction of ibuprofen from pharmaceuticals, water, and urine samples. The material was characterized by X-ray diffraction, Raman spectroscopy and field emission scanning electron microscopy and SEM-EDX. The pH value, volume of sample solution, amount of sorbent, type and volume of elution solvent and extraction time were optimized. Following elution with acetone, ibuprofen was quantified by HPLC-DAD detection. The recoveries of ibuprofen from spiked real samples ranged between 87 and 109%, and the intra-day and inter-day relative standard deviations from 1.25 to 3.02%. The limit of detection, limit of quantification and preconcentration factor are 0.36 ng·mL-1,1.20 ng·mL-1 and 150, respectively. Graphical abstract Schematic representation of the combination of flower-like Fe3O4/GO/CdSe nanodot-based magnetic solid phase extraction (MSPE) and high-performance liquid chromatography (HPLC) procedure for the extraction and analysis of ibuprofen in pharmaceuticals, water, and urine samples.
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Affiliation(s)
- Gokhan Sarp
- Department of Analytical Chemistry, Faculty of Pharmacy, Erciyes University, 38050, Kayseri, Turkey.,ERNAM - Nanotechnology Research and Application Center, Erciyes University, 38039, Kayseri, Turkey
| | - Erkan Yilmaz
- Department of Analytical Chemistry, Faculty of Pharmacy, Erciyes University, 38050, Kayseri, Turkey. .,ERNAM - Nanotechnology Research and Application Center, Erciyes University, 38039, Kayseri, Turkey. .,Technology Research & Application Center (TAUM), Erciyes University, 38039, Kayseri, Turkey.
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12
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Ghani M, Haghdoostnejad K. Woven cotton yarn-graphene oxide-layered double hydroxide composite as a sorbent for thin film microextraction of nonsteroidal anti-inflammatory drugs followed by quantitation through high performance liquid chromatography. Anal Chim Acta 2019; 1097:94-102. [PMID: 31910974 DOI: 10.1016/j.aca.2019.10.066] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 10/20/2019] [Accepted: 10/24/2019] [Indexed: 01/05/2023]
Abstract
The applicability of a highly flexible and natural cotton yarn-graphene oxide-layered double hydroxide composite (CY-GO-LDH) was introduced for the extraction of the targets in the current study. For increasing the contact area of the analytes and the prepared sorbent, the green substrate was woven and employed as the substrate for the construction of GO layers. It was proved that the prepared CY-GO-LDH film is a reliable sorbent for thin film microextraction (TFME) of the nonsteroidal anti-inflammatory drugs (NSAIDs) including acetylsalicylic acid, naproxen, diclofenac, ibuprofen and mefenamic acid in human urine and plasma. Extraction factors were optimized using multivariate optimization strategy. High adherence of GO-LDH to the natural substrate made this technique more robust for routine analysis. There are two consecutive steps to optimize the parameters influencing the extraction of analytes; First, a Plackett-Burman Design (PBD) was utilized to screen the significant factors. Second, the selected factors were optimized utilizing the Box-Behnken Design (BBD). The extracted NSAIDs were analyzed by HPLC-UV. Under the obtained optimum condition, the linearity of the method was 0.2-200 μg L-1. Limits of detection, limits of quantification and intra-day as well as inter-day RSDs were lower than 0.25 μg L-1, 0.72 μg L-1 and 6.1%, respectively. The method was successfully used to determine NSAIDs in different human biological fluids.
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Affiliation(s)
- Milad Ghani
- Department of Analytical Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, Iran.
| | - Kosar Haghdoostnejad
- Department of Analytical Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, Iran
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13
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Development, Optimization and Applications of Thin Film Solid Phase Microextraction (TF-SPME) Devices for Thermal Desorption: A Comprehensive Review. SEPARATIONS 2019. [DOI: 10.3390/separations6030039] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Through the development of solid phase microextraction (SPME) technologies, thin film solid phase microextraction (TF-SPME) has been repeatedly validated as a novel sampling device well suited for various applications. These applications, encompassing a wide range of sampling methods such as onsite, in vivo and routine analysis, benefit greatly from the convenience and sensitivity TF-SPME offers. TF-SPME, having both an increased extraction phase volume and surface area to volume ratio compared to conventional microextraction techniques, allows high extraction rates and enhanced capacity, making it a convenient and ideal sampling tool for ultra-trace level analysis. This review provides a comprehensive discussion on the development of TF-SPME and the applications it has provided thus far. Emphasis is given on its application to thermal desorption, with method development and optimization for this desorption method discussed in detail. Moreover, a detailed outlook on the current progress of TF-SPME development and its future is also discussed with emphasis on its applications to environmental, food and fragrance analysis.
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14
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Gutiérrez-Serpa A, Schorn-García D, Jiménez-Moreno F, Jiménez-Abizanda AI, Pino V. Braid solid-phase microextraction of polycyclic aromatic hydrocarbons by using fibers coated with silver-based nanomaterials in combination with HPLC with fluorometric detection. Mikrochim Acta 2019; 186:311. [PMID: 31037367 DOI: 10.1007/s00604-019-3452-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 04/15/2019] [Indexed: 01/07/2023]
Abstract
Authors propose a novel braid support configuration for use in solid-phase microextraction (SPME) fibers. Two different braided supports (double and triple) were prepared and compared with the conventional single support configuration. Three kinds of silver-based nanomaterials that serve as coatings on these supports are described. They included silver dendrites, silver nanoparticles (AgNPs), and silver dendrites decorated with AgNPs (Ag-dendrites@AgNPs). They were prepared by electrodeposition, a layer-by-layer (LBL) method, and a hybrid strategy, respectively. Fibers were used in the direct-immersion (DI) mode of SPME. Five polycyclic aromatic hydrocarbons (PAHs) were studied as model analytes by DI-SPME when analyzing (spiked) underground waters. PAHs were further determined with high-performance liquid chromatography (HPLC) and fluorescence detection. The analytical performance of the fibers was compared to that of the commercial polydimethylsiloxane (PDMS) fiber of 100 μm thickness. AgNPs obtained by LBL was the best coating and the double braid was the best support configuration. The configuration of the SPME support always played an important role independently on the coating material, being always beneficial the use of double-braids. Despite the low coatings volumes of the silver-based fibers compared to that of PDMS, the analytical features of the method were adequate. Figures of merit include: (a) limits of detection down to 20 ng·L-1; (b) intra-day, inter-day, and inter-fiber precisions (expressed as RSDs) of <13%, <12%, and < 13%, respectively; and (c) adequate operational lifetime (>60 extractions). Graphical abstract Schematic presentation of braided solid-phase microextraction support configurations together with different silver-based nanomaterials as coatings.
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Affiliation(s)
- Adrián Gutiérrez-Serpa
- Departament of Chemistry, Analytical Chemistry Division, University of La Laguna (ULL), 38206, La Laguna, Tenerife, Spain
| | - Daniel Schorn-García
- Departament of Chemistry, Analytical Chemistry Division, University of La Laguna (ULL), 38206, La Laguna, Tenerife, Spain
| | - Francisco Jiménez-Moreno
- Departament of Chemistry, Analytical Chemistry Division, University of La Laguna (ULL), 38206, La Laguna, Tenerife, Spain.
| | - Ana I Jiménez-Abizanda
- Departament of Chemistry, Analytical Chemistry Division, University of La Laguna (ULL), 38206, La Laguna, Tenerife, Spain
| | - Verónica Pino
- Departament of Chemistry, Analytical Chemistry Division, University of La Laguna (ULL), 38206, La Laguna, Tenerife, Spain. .,University Institute of Tropical Diseases and Public Health, University of La Laguna (ULL), 38206, La Laguna, Tenerife, Spain.
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