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Almeida CVP, Neng NR, Nogueira JMF, Ruivo J. Application of a bar adsorptive microextraction based methodology for doping control of alkylamine stimulants in urine matrices. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1234:124006. [PMID: 38246007 DOI: 10.1016/j.jchromb.2024.124006] [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: 09/20/2023] [Revised: 12/18/2023] [Accepted: 01/06/2024] [Indexed: 01/23/2024]
Abstract
To comply with 'World Anti-Doping Agency' (WADA) guidelines, doping control laboratories must continuously adjust their analytical procedures. Therefore, sample preparation continues to play a critical step in modern analytical strategies, namely by replacing the tedious, time and solvent consuming commonly employed (e.g. liquid-liquid extraction). The present contribution proposes, for the first time in doping control, bar adsorptive microextraction (BAμE) as an alternative analytical technique for the qualitative determination of six alkyl amine stimulants (AAs; 1,3-dimethylbutylamine, 1,4-dimethylpentylamine, heptaminol, isometheptene, octodrine and tuaminoheptane) in urine matrices followed by derivatization prior to gas chromatography coupled to mass spectrometry, operating in the selected ion monitoring mode acquisition (GC-MS(SIM)). After selecting the most selective coating phase, i.e., a mixed-mode reversed phase/strong anion exchange sorbent (P2), assays performed under optimized experimental conditions [microextraction - BAμE(P2), 1 h (1,000 rpm), pH 11, 10 % NaCl; back-extraction - methanol (150 μL), 30 min, under sonication], allowed remarkable recoveries ranging from 48.7 % (heptaminol, 200 ng/mL) to 83.1 % (1,4-dimethylpentylamine, 200 ng/mL). The validation assessment assays of the proposed methodology showed suitable limits of identification (5.0-35.0 ng/mL), appropriate linear dynamic ranges (5.0-200.0 ng/mL) and good determination coefficients (r2 > 0.9937), as well as excellent selectivity, robustness, accuracy and precision. To check whether the methodology is fit-for-purpose, four previously analysed proficiency urine samples were successfully tested, in which were unequivocally detected and identified some of the target AAs. The present methodology showed to be a remarkable alternative in comparison to other dedicated analytical approaches to screen AAs in urine matrices, since it is cost-effective, user- and eco-friendly, requiring low volume of urine sample (1 mL). The great potential of this analytical technology in doping control lies in a very effective microextraction combined with the minimization of potential interferents, presenting itself as an added value to be applied to other types of substances and complex matrices.
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Affiliation(s)
- C V P Almeida
- Laboratório de Análises de Dopagem, Instituto Nacional de Saúde Doutor Ricardo Jorge IP, Av. Prof. Egas Moniz (Estádio Universitário), 1600-190 Lisboa, Portugal.
| | - N R Neng
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal.
| | - J M F Nogueira
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal.
| | - J Ruivo
- Laboratório de Análises de Dopagem, Instituto Nacional de Saúde Doutor Ricardo Jorge IP, Av. Prof. Egas Moniz (Estádio Universitário), 1600-190 Lisboa, Portugal.
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HS-BAμE: A New Alternative Approach for VOCs Analysis-Application for Monitoring Biogenic Emissions from Tree Species. Molecules 2023; 28:molecules28031179. [PMID: 36770845 PMCID: PMC9919248 DOI: 10.3390/molecules28031179] [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] [Received: 12/27/2022] [Revised: 01/18/2023] [Accepted: 01/19/2023] [Indexed: 01/27/2023] Open
Abstract
In this work, a new analytical approach is proposed for monitoring biogenic volatile organic compounds (BVOCs) by combining headspace bar adsorptive microextraction (HS-BAμE) with gas chromatography-mass spectrometry (GC-MS). The HS-BAμE methodology was developed, optimized, validated and applied for the analysis of BVOCs emitted from two tree species (Eucalyptus globulus Labill. and Pinus pinaster Aiton) and compared with headspace solid phase microextraction (HS-SPME), commonly accepted as a reference technique. To achieve optimum experimental conditions, numerous assays were carried out by both methodologies, studying the release of the five major monoterpenoids (α-pinene, β-pinene, myrcene, limonene and 1,8-cineole) from the leaves of the tree species, whereas the maximum selectivity and efficiency were obtained using an activated carbon and PDMS/DVB fiber as sorbent phases for HS-BAμE and HS-SPME, respectively. Under optimized experimental conditions, both methodologies showed similar profiling and proportional responses, although the latter present a higher sensitivity in the analytical configuration used. For the five monoterpenoids studied, acceptable detection limits (LODs = 5.0 μg L-1) and suitable linear dynamic ranges (20.0-100.0 mg L-1; r2 ≥ 0.9959) were achieved, and intra- and inter-day studies proved that both methodologies exhibited good results (RSD and %RE ≤ 19.9%), which indicates a good fit for the assessment of BVOCs by the HS-BAμE/GC-MS methodology. Assays performed on sampled leaves by both optimized and validated methodologies showed high levels of the five major BVOCs released from E. globulus Labill. (10.2 ± 1.3 to 7828.0 ± 40.0 μg g-1) and P. pinaster Aiton (9.2 ± 1.4 to 3503.8 ± 396.3 μg g-1), which might act as potential fuel during forest fire's propagation, particularly under extreme atmospheric conditions. This is the first time that BAμE technology was applied in the HS sampling mode, and, in addition to other advantages, it has proven to be an effective and promising analytical alternative for monitoring VOCs, given its great simplicity, easy handling and low cost.
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Chafi S, Ballesteros E. A sensitive, robust method for determining natural and synthetic hormones in surface and wastewaters by continuous solid-phase extraction-gas chromatography-mass spectrometry. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:53619-53632. [PMID: 35290579 PMCID: PMC9343308 DOI: 10.1007/s11356-022-19577-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 03/02/2022] [Indexed: 05/29/2023]
Abstract
Over recent decades, steroidal estrogens have become an emerging and very serious issue as they pose a serious threat to living organisms, soil, plants, and water resources in general. Estrogens have therefore been the subject of considerable scientific attention in order to develop new methodologies for its determination, being able of detecting them at very low concentrations. Those procedures minimize or eliminate the consumption of organic solvents and reagents that may be incompatible with the environment. In this respect, we developed a sensitive, selective method for the simultaneous determination of thirteen natural and synthetic hormones present at the nanogram-per-liter level in various types of water by using continuous solid-phase extraction in combination with gas chromatography and mass spectrometry (GC-MS). The target analytes were preferentially sorbed on an Oasis HLB sorbent column (80 mg) and eluted with acetone (600 µL) for derivatization with a mixture of 70 µL of N,O-bis(trimethylsilyl) trifluoroacetamide and trimethylchlorosilane and 35 µL of petroleum ether in a household microwave oven at 200 W for 4 min. Under optimum conditions, the ensuing method exhibited good linearity (r ≥ 0.998), good precision (RSD ≤ 7%), high recoveries (92-103%), and low detection limits (0.01-0.3 ng L-1). The method outperforms existing alternatives in robustness, sensitivity, throughput, flexibility-it allows both estrogens, progestogens, and androgens to be determined simultaneously-and compliance with the principles of Green Chemistry. It was successfully used to analyze various types of water samples (mineral, tap, well, pond, swimming pool, river, and waste) that were found to contain four estrogens (estrone, 17β-estradiol, 17α-ethinylestradiol, and hexestrol), two progestogens (testosterone, dihydrotestosterone), and one progestogen (progesterone) at concentrations ranging from 3.0 to 110 ng L-1.
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Affiliation(s)
- Safae Chafi
- Department of Physical and Analytical Chemistry, E.P.S of Linares, University of Jaén, Avenida de La Universidad, 23700, Linares, Jaén, Spain
| | - Evaristo Ballesteros
- Department of Physical and Analytical Chemistry, E.P.S of Linares, University of Jaén, Avenida de La Universidad, 23700, Linares, Jaén, Spain.
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Wang S, Huo Z, Shi W, Wang H, Xu G. Urinary benzophenones and synthetic progestin in Chinese adults and children: concentration, source and exposure. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:50245-50254. [PMID: 33956318 DOI: 10.1007/s11356-021-13943-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Accepted: 04/12/2021] [Indexed: 06/12/2023]
Abstract
The endocrine-disrupting activities of UV filters and synthetic progestin have raised concerns about their adverse risks. In this study, 208 urine samples were collected from Shanghai residents for the determination of seven benzophenones (BPs) and six synthetic progestins. The highest median concentration (6.21ng g-1 Cr) was observed in young adults (21-50 years), followed by a concentration of 3.86 ng g-1 Cr in elderly adults (over 50 years old), and the lowest median concentration (1.32 ng g-1 Cr) was found in children (8-11 years old). The detection rates of BP-3 and EE2 in adults were 97% and 82%, and in children were 31% and 24%, respectively. Synthetic progestin levels in Shanghai, China, were relatively low compared to other countries. And the urinary BPs level showed an increasing trend in Chinese in the past 5 years. The principal component analysis suggested that adults' exposure to BP-1 and BP-3 was related, which occurs through food or dermal absorption of these chemicals present in cosmetic products and coatings. And diet was an important exposure pathway for children exposed to BPs. Despite relatively high levels of synthetic progestin for female and obese, the total estimated daily intake (EDI) was still lower than acceptable daily intake adopted by America. In the Monte-Carlo analysis, the 95th percentile of hazard quotients (HQs) was 0.83, which indicated that potential health risks were appreciated in the studied population.
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Affiliation(s)
- Siqi Wang
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, People's Republic of China
| | - Zhuhao Huo
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, People's Republic of China
| | - Wenyan Shi
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, People's Republic of China
| | - Hongyong Wang
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, People's Republic of China
| | - Gang Xu
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, People's Republic of China.
- Key Laboratory of Organic Compound Pollution Control Engineering, Ministry of Education, Shanghai, 200444, People's Republic of China.
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Oliveira MN, Gonçalves OC, Ahmad SM, Schneider JK, Krause LC, Neng NR, Caramão EB, Nogueira JMF. Application of Bar Adsorptive Microextraction for the Determination of Levels of Tricyclic Antidepressants in Urine Samples. Molecules 2021; 26:3101. [PMID: 34067333 PMCID: PMC8196885 DOI: 10.3390/molecules26113101] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/15/2021] [Accepted: 05/18/2021] [Indexed: 11/29/2022] Open
Abstract
This work entailed the development, optimization, validation, and application of a novel analytical approach, using the bar adsorptive microextraction technique (BAμE), for the determination of the six most common tricyclic antidepressants (TCAs; amitriptyline, mianserin, trimipramine, imipramine, mirtazapine and dosulepin) in urine matrices. To achieve this goal, we employed, for the first time, new generation microextraction devices coated with convenient sorbent phases, polymers and novel activated carbons prepared from biomaterial waste, in combination with large-volume-injection gas chromatography-mass spectrometry operating in selected-ion monitoring mode (LVI-GC-MS(SIM)). Preliminary assays on sorbent coatings, showed that the polymeric phases present a much more effective performance, as the tested biosorbents exhibited low efficiency for application in microextraction techniques. By using BAμE coated with C18 polymer, under optimized experimental conditions, the detection limits achieved for the six TCAs ranged from 0.2 to 1.6 μg L-1 and, weighted linear regressions resulted in remarkable linearity (r2 > 0.9960) between 10.0 and 1000.0 μg L-1. The developed analytical methodology (BAμE(C18)/LVI-GC-MS(SIM)) provided suitable matrix effects (90.2-112.9%, RSD ≤ 13.9%), high recovery yields (92.3-111.5%, RSD ≤ 12.3%) and a remarkable overall process efficiency (ranging from 84.9% to 124.3%, RSD ≤ 13.9%). The developed and validated methodology was successfully applied for screening the six TCAs in real urine matrices. The proposed analytical methodology proved to be an eco-user-friendly approach to monitor trace levels of TCAs in complex urine matrices and an outstanding analytical alternative in comparison with other microextraction-based techniques.
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Affiliation(s)
- Mariana N. Oliveira
- Centro de Química Estrutural, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal; (M.N.O.); (O.C.G.); (S.M.A.)
| | - Oriana C. Gonçalves
- Centro de Química Estrutural, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal; (M.N.O.); (O.C.G.); (S.M.A.)
| | - Samir M. Ahmad
- Centro de Química Estrutural, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal; (M.N.O.); (O.C.G.); (S.M.A.)
- Molecular Pathology and Forensic Biochemistry Laboratory, Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Instituto Universitário Egas Moniz (IUEM), Campus Universitário—Quinta da Granja, Monte da Caparica, 2829-511 Caparica, Portugal
- Forensic and Psychological Sciences Laboratory Egas Moniz, Campus Universitário—Quinta da Granja, Monte da Caparica, 2829-511 Caparica, Portugal
| | - Jaderson K. Schneider
- Instituto de Química, Universidade Federal do Rio Grande do Sul, 91509-900 Porto Alegre, Brazil; (J.K.S.); (L.C.K.); (E.B.C.)
| | - Laiza C. Krause
- Instituto de Química, Universidade Federal do Rio Grande do Sul, 91509-900 Porto Alegre, Brazil; (J.K.S.); (L.C.K.); (E.B.C.)
| | - Nuno R. Neng
- Centro de Química Estrutural, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal; (M.N.O.); (O.C.G.); (S.M.A.)
- Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal
| | - Elina B. Caramão
- Instituto de Química, Universidade Federal do Rio Grande do Sul, 91509-900 Porto Alegre, Brazil; (J.K.S.); (L.C.K.); (E.B.C.)
- Programa de Pós-Graduação em Biotecnologia Industrial, Universidade Tiradentes, 49032-490 Aracaju, Brazil
| | - José M. F. Nogueira
- Centro de Química Estrutural, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal; (M.N.O.); (O.C.G.); (S.M.A.)
- Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal
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Pena-Pereira F, Bendicho C, Pavlović DM, Martín-Esteban A, Díaz-Álvarez M, Pan Y, Cooper J, Yang Z, Safarik I, Pospiskova K, Segundo MA, Psillakis E. Miniaturized analytical methods for determination of environmental contaminants of emerging concern - A review. Anal Chim Acta 2020; 1158:238108. [PMID: 33863416 DOI: 10.1016/j.aca.2020.11.040] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 11/26/2020] [Accepted: 11/27/2020] [Indexed: 01/09/2023]
Abstract
The determination of contaminants of emerging concern (CECs) in environmental samples has become a challenging and critical issue. The present work focuses on miniaturized analytical strategies reported in the literature for the determination of CECs. The first part of the review provides brief overview of CECs whose monitoring in environmental samples is of particular significance, namely personal care products, pharmaceuticals, endocrine disruptors, UV-filters, newly registered pesticides, illicit drugs, disinfection by-products, surfactants, high technology rare earth elements, and engineered nanomaterials. Besides, an overview of downsized sample preparation approaches reported in the literature for the determination of CECs in environmental samples is provided. Particularly, analytical methodologies involving microextraction approaches used for the enrichment of CECs are discussed. Both solid phase- and liquid phase-based microextraction techniques are highlighted devoting special attention to recently reported approaches. Special emphasis is placed on newly developed materials used for extraction purposes in microextraction techniques. In addition, recent contributions involving miniaturized analytical flow techniques for the determination of CECs are discussed. Besides, the strengths, weaknesses, opportunities and threats of point of need and portable devices have been identified and critically compared with chromatographic methods coupled to mass chromatography. Finally, challenging aspects regarding miniaturized analytical methods for determination of CECs are critically discussed.
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Affiliation(s)
- Francisco Pena-Pereira
- Centro de Investigación Mariña, Universidade de Vigo, Departamento de Química Analítica e Alimentaria, Grupo QA2, Edificio CC Experimentais, Campus de Vigo, As Lagoas, Marcosende, 36310, Vigo, Spain.
| | - Carlos Bendicho
- Centro de Investigación Mariña, Universidade de Vigo, Departamento de Química Analítica e Alimentaria, Grupo QA2, Edificio CC Experimentais, Campus de Vigo, As Lagoas, Marcosende, 36310, Vigo, Spain.
| | - Dragana Mutavdžić Pavlović
- Department of Analytical Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev Trg 19, Zagreb, 10000, Croatia
| | - Antonio Martín-Esteban
- Departamento de Medio Ambiente y Agronomía, INIA, Carretera de A Coruña Km 7.5, Madrid, E-28040, Spain
| | - Myriam Díaz-Álvarez
- Departamento de Medio Ambiente y Agronomía, INIA, Carretera de A Coruña Km 7.5, Madrid, E-28040, Spain
| | - Yuwei Pan
- Cranfield Water Science Institute, Cranfield University, Cranfield, MK43 0AL, United Kingdom; School of Engineering, University of Glasgow, G12 8LT, United Kingdom
| | - Jon Cooper
- School of Engineering, University of Glasgow, G12 8LT, United Kingdom
| | - Zhugen Yang
- Cranfield Water Science Institute, Cranfield University, Cranfield, MK43 0AL, United Kingdom
| | - Ivo Safarik
- Department of Nanobiotechnology, Biology Centre, ISB, CAS, Na Sadkach 7, 370 05, Ceske Budejovice, Czech Republic; Regional Centre of Advanced Technologies and Materials, Palacky University, Slechtitelu 27, 783 71, Olomouc, Czech Republic; Department of Magnetism, Institute of Experimental Physics, SAS, Watsonova 47, 040 01, Kosice, Slovakia
| | - Kristyna Pospiskova
- Department of Nanobiotechnology, Biology Centre, ISB, CAS, Na Sadkach 7, 370 05, Ceske Budejovice, Czech Republic; Regional Centre of Advanced Technologies and Materials, Palacky University, Slechtitelu 27, 783 71, Olomouc, Czech Republic
| | - Marcela A Segundo
- LAQV/REQUIMTE, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, R Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal
| | - Elefteria Psillakis
- Laboratory of Aquatic Chemistry, School of Environmental Engineering, Polytechnioupolis, Technical University of Crete, GR-73100, Chania, Crete, Greece
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Morelli DC, Mafra G, Santos AV, Merib J, Carasek E. Designing a green device to BAμE: Recycled cork pellet as extraction phase for the determination of parabens in river water samples. Talanta 2020; 219:121369. [DOI: 10.1016/j.talanta.2020.121369] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 06/29/2020] [Accepted: 06/30/2020] [Indexed: 01/29/2023]
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Ahmad SM, Mestre AS, Neng NR, Ania CO, Carvalho AP, Nogueira JMF. Carbon-Based Sorbent Coatings for the Determination of Pharmaceutical Compounds by Bar Adsorptive Microextraction. ACS APPLIED BIO MATERIALS 2020; 3:2078-2091. [PMID: 35025329 DOI: 10.1021/acsabm.9b01206] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Thirteen carbon materials comprising commercial activated carbons and lab-made materials (activated carbons, hydrochars, and low-T and high-T activated hydrochars) were assayed as sorbent coatings in bar adsorptive microextration (BAμE) to monitor trace levels of ten common pharmaceutical compounds (PhCs) in environmental water matrices including surface water, seawater, tap water, and wastewater. Polar and nonpolar pharmaceuticals were selected, sulfamethoxazole, triclosan, carbamazepine, diclofenac, mefenamic acid, 17-α-ethinylestradiol, 17-β-estradiol, estrone, gemfibrozil, and clofibric acid, as model compounds to cover distinct therapeutic classes. Despite having a less-developed porosity, data showed that "in-house" prepared low-T activated hydrochars, obtained from carbohydrates and an eutectic salt mixture at low temperature (i.e., 180 °C) and autogenerated pressure, compete with the best commercial activated carbons for this particular application. The combination of a micro and mesopore network with a rich oxygen-based surface chemistry yielding an acidic nature allowed these low-T activated hydrochars to present the best overall recoveries (between 20.9 and 82.4%) for the simultaneous determination of the ten target PhCs with very distinct chemical properties using high performance liquid chromatography-diode array detection (HPLC-DAD).
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Affiliation(s)
- Samir M Ahmad
- Centro de Quı́mica Estrutural and Departamento de Quı́mica e Bioquı́mica, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal
| | - Ana S Mestre
- Centro de Quı́mica Estrutural and Departamento de Quı́mica e Bioquı́mica, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal
| | - Nuno R Neng
- Centro de Quı́mica Estrutural and Departamento de Quı́mica e Bioquı́mica, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal
| | - Conchi O Ania
- CNRS, CEMHTI UPR3079, University of Orléans, F-45071 Orléans, France
| | - Ana P Carvalho
- Centro de Quı́mica Estrutural and Departamento de Quı́mica e Bioquı́mica, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal
| | - José M F Nogueira
- Centro de Quı́mica Estrutural and Departamento de Quı́mica e Bioquı́mica, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal
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Yao CX, Zhao N, Liu JC, Chen LJ, Liu JM, Fang GZ, Wang S. Recent Progress on Luminescent Metal-Organic Framework-Involved Hybrid Materials for Rapid Determination of Contaminants in Environment and Food. Polymers (Basel) 2020; 12:E691. [PMID: 32244951 PMCID: PMC7183274 DOI: 10.3390/polym12030691] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 03/17/2020] [Accepted: 03/18/2020] [Indexed: 01/28/2023] Open
Abstract
The high speed of contaminants growth needs the burgeoning of new analytical techniques to keep up with the continuous demand for monitoring and legislation on food safety and environmental pollution control. Metal-organic frameworks (MOFs) are a kind of advanced crystal porous materials with controllable apertures, which are self-assembled by organic ligands and inorganic metal nodes. They have the merits of large specific surface areas, high porosity and the diversity of structures and functions. Latterly, the utilization of metal-organic frameworks has attracted much attention in environmental protection and the food industry. MOFs have exhibited great value as sensing materials for many targets. Among many sensing methods, fluorometric sensing is one of the widely studied methods in the detection of harmful substances in food and environmental samples. Fluorometric detection based on MOFs and its functional materials is currently one of the most key research subjects in the food and environmental fields. It has gradually become a hot research direction to construct the highly sensitive rapid sensors to detect harmful substances in the food matrix based on metal-organic frameworks. In this paper, we introduced the synthesis and detection application characteristics (absorption, fluorescence, etc.) of metal-organic frameworks. We summarized their applications in the MOFs-based fluorometric detection of harmful substances in food and water over the past few years. The harmful substances mainly include heavy metals, organic pollutants and other small molecules, etc. On this basis, the future development and possible application of the MOFs have prospected in this review paper.
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Affiliation(s)
- Chi-Xuan Yao
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science & Technology, Tianjin 300457, China; (C.-X.Y.); (G.-Z.F.)
| | - Ning Zhao
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China; (N.Z.); (J.-M.L.)
| | - Ji-Chao Liu
- Beijing San Yuan foods co., LTD., No. 8 Yingchang Road, Yinghai, Daxing District, Beijing 100076, China;
| | - Li-Jun Chen
- Beijing San Yuan foods co., LTD., No. 8 Yingchang Road, Yinghai, Daxing District, Beijing 100076, China;
| | - Jing-Min Liu
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China; (N.Z.); (J.-M.L.)
| | - Guo-Zhen Fang
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science & Technology, Tianjin 300457, China; (C.-X.Y.); (G.-Z.F.)
| | - Shuo Wang
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science & Technology, Tianjin 300457, China; (C.-X.Y.); (G.-Z.F.)
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China; (N.Z.); (J.-M.L.)
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Li Y, Liao Y, Huang Y, Ye Z, Huang X. Dual functional monomers modified magnetic adsorbent for the enrichment of non-steroidal anti-inflammatory drugs in water and urine samples. Talanta 2019; 201:496-502. [PMID: 31122456 DOI: 10.1016/j.talanta.2019.04.043] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Revised: 04/05/2019] [Accepted: 04/17/2019] [Indexed: 01/05/2023]
Abstract
According to the molecular properties of non-steroidal anti-inflammatory drugs (NSADs), a new adsorbent for magnetic solid phase extraction (MSPE) was designed and synthesized. Triethyl-(4-vinylbenzyl)aminium chloride and 4-vinylbenzeneboronic acid were utilized as dual functional monomers to copolymerize with divinylbenzene on the surface of pre-modified Fe3O4 nanoparticles. The prepared magnetic adsorbent (Fe3O4@TCVA) was characterized by elemental analysis, Fourier transform infrared, scanning electron microscopy, transmission electron microscopy and vibrating sample magnetometer. Due to the abundant boronic acid, quaternary amine and phenyl groups, the Fe3O4@TCVA displayed satisfactory extraction performance for target NSADs (diclofenac acid, ibuprofen and mefenamic acid) by means of B-N coordination, anion-exchange, π-π and hydrophobic interactions. Under the optimized conditions, the Fe3O4@TCVA/MSPE was combined with high-performance liquid chromatography with diode array detection (HPLC-DAD) to sensitively analyze NSADs in water and human urine samples. Results indicated that the limits of detection for water and urine samples were in the ranges of 0.014-0.031 μg/L and 0.029-0.11 μg/L, respectively. The relative standard deviations for the intra-day and inter-day assay variability were below 10%. The applicability of the proposed Fe3O4@TCVA/MSPE-HPLC-DAD method was demonstrated by the successful extraction and quantification of trace levels of NSADs in real water and human urine samples. Satisfactory spiked recovery and reproducibility were achieved.
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Affiliation(s)
- Yang Li
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, College of the Environment and Ecology, Xiamen University, Xiamen 361005, China
| | - Yingmin Liao
- Department of Environmental Science & Engineering, Tan Kah Kee College, Zhangzhou 363105, China.
| | - Youfang Huang
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, College of the Environment and Ecology, Xiamen University, Xiamen 361005, China
| | - Ziwen Ye
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, College of the Environment and Ecology, Xiamen University, Xiamen 361005, China
| | - Xiaojia Huang
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, College of the Environment and Ecology, Xiamen University, Xiamen 361005, China.
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11
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do Carmo SN, Merib J, Carasek E. Bract as a novel extraction phase in thin-film SPME combined with 96-well plate system for the high-throughput determination of estrogens in human urine by liquid chromatography coupled to fluorescence detection. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1118-1119:17-24. [PMID: 31005770 DOI: 10.1016/j.jchromb.2019.04.037] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 03/19/2019] [Accepted: 04/15/2019] [Indexed: 12/17/2022]
Abstract
In this study, an environmentally friendly and high-throughput method was developed for the determination of estrone (E1), 17β-estradiol (E2), 17α-ethinylestradiol (EE2) and estriol (E3) in human urine by liquid chromatography-fluorescence detector (HPLC-FLD). A biosorbent (bract) was proposed as extraction phase for Thin-Film SPME combined with 96-well system. The characterization of the biosorbent was performed by Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). The optimizations were carried out through univariate and multivariate approaches with optimal conditions comprised of urine samples diluted 40-fold, liquid desorption performed in methanol and addition of 20% (w/v) of NaCl in the sample. Considering an extraction/desorption cycle using the 96-well plate system, the sample preparation time was 1.7 min per sample, which contributes to the high-throughput of the method proposed. The analytical parameters of merit were determined and satisfactory results were achieved, including limits of detection ranging from 0.3 μg L-1 for estradiol to 3 μg L-1 for estrone, while limits of quantification varied from 1 μg L-1 for estradiol to 10 μg L-1 for estrone. The correlation coefficients ranged from 0.9947 for estrone to 0.9999 for estriol. The accuracy and intra-assay and intermediate precisions (RSD) were evaluated through extractions in diluted urine samples (40-fold) spiked with each analyte (1, 200 and 400 μg L-1 for E3; 0.1, 200 and 400 μg L-1 for E2; 0.5, 200 and 400 μg L-1 for EE2 and 10, 200 and 400 μg L-1 for E1). The relative recoveries (n = 3) ranged from 71 to 105%, intra-assay precision (n = 3) varied from 1 to 17% and intermediate precision (n = 9) ranged from 2 to 19%. The method developed can be successfully used for the quantification of estrogens in human urine samples.
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Affiliation(s)
| | - Josias Merib
- Departamento de Farmacociências, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre 90050170, RS, Brazil
| | - Eduardo Carasek
- Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis 88040900, SC, Brazil.
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12
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Wang X, Wang J, Du T, Kou H, Du X, Lu X. Application of ZIF-8–graphene oxide sponge to a solid phase extraction method for the analysis of sex hormones in milk and milk products by high-performance liquid chromatography. NEW J CHEM 2019. [DOI: 10.1039/c8nj05940c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A zeolitic imidazolate framework-8 (ZIF-8) incorporating a graphene oxide sponge (GOS) nanocomposite (ZIF-8–GOS) was synthesized successfully by a simple one-pot preparation method.
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Affiliation(s)
- Xuemei Wang
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- P. R. China
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province
- Lanzhou 730070
| | - Juan Wang
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- P. R. China
| | - Tongtong Du
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- P. R. China
| | - Haixia Kou
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- P. R. China
| | - Xinzhen Du
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- P. R. China
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province
- Lanzhou 730070
| | - Xiaoquan Lu
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- P. R. China
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province
- Lanzhou 730070
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13
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Huang Y, Lu M, Li H, Bai M, Huang X. Sensitive determination of perfluoroalkane sulfonamides in water and urine samples by multiple monolithic fiber solid-phase microextraction and liquid chromatography tandem mass spectrometry. Talanta 2019; 192:24-31. [DOI: 10.1016/j.talanta.2018.09.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 07/26/2018] [Accepted: 09/02/2018] [Indexed: 10/28/2022]
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14
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Hoga CA, Almeida FL, Reyes FGR. A review on the use of hormones in fish farming: Analytical methods to determine their residues. CYTA - JOURNAL OF FOOD 2018. [DOI: 10.1080/19476337.2018.1475423] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Celia A. Hoga
- Department of Food Science, School of Food Engineering, University of Campinas – UNICAMP, Campinas, Brazil
| | - Fernanda L. Almeida
- Brazilian Agricultural Research Corporation, Embrapa Amazônia Ocidental, Manaus, Brazil
| | - Felix G. R. Reyes
- Department of Food Science, School of Food Engineering, University of Campinas – UNICAMP, Campinas, Brazil
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15
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An X, Chai W, Deng X, Chen H, Ding G. A bioinspired polydopamine approach toward the preparation of gold-modified magnetic nanoparticles for the magnetic solid-phase extraction of steroids in multiple samples. J Sep Sci 2018; 41:2774-2782. [PMID: 29722147 DOI: 10.1002/jssc.201800080] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 04/20/2018] [Accepted: 04/21/2018] [Indexed: 12/12/2022]
Abstract
In this work, a simple, facile, and sensitive magnetic solid-phase extraction method was developed for the extraction and enrichment of three representative steroid hormones before high-performance liquid chromatography analysis. Gold-modified Fe3 O4 nanoparticles, as novel magnetic adsorbents, were prepared by a rapid and environmentally friendly procedure in which polydopamine served as the reductant as well as the stabilizer for the gold nanoparticles, thus successfully avoiding the use of some toxic reagents. To obtain maximum extraction efficiency, several significant factors affecting the preconcentration steps, including the amount of adsorbent, extraction time, pH of the sample solution, and the desorption conditions, were optimized, and the enrichment factors for three steroids were all higher than 90. The validity of the established method was evaluated and good analytical characteristics were obtained. A wide linearity range (0.8-500 μg/L for all the analytes) was attained with good correlation (R2 ≥ 0.991). The low limits of detection were 0.20-0.25 μg/L, and the relative standard deviations ranged from 0.83 to 4.63%, demonstrating a good precision. The proposed method was also successfully applied to the extraction and analysis of steroids in urine, milk, and water samples with satisfactory results, which showed its reliability and feasibility in real sample analysis.
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Affiliation(s)
- Xuehan An
- School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, P. R. China
| | - Weibo Chai
- School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, P. R. China
| | - Xiaojuan Deng
- Analysis Center, Tianjin University, Tianjin, P. R. China
| | - Hui Chen
- Research Center for Analytical Sciences, College of Chemistry, Nankai University, Tianjin, P. R. China
| | - Guosheng Ding
- School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, P. R. China.,Analysis Center, Tianjin University, Tianjin, P. R. China
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16
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Combination of in situ metathesis reaction with a novel “magnetic effervescent tablet-assisted ionic liquid dispersive microextraction” for the determination of endogenous steroids in human fluids. Anal Bioanal Chem 2018. [DOI: 10.1007/s00216-018-0973-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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17
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Ide AH, Nogueira JMF. New-generation bar adsorptive microextraction (BAμE) devices for a better eco-user-friendly analytical approach-Application for the determination of antidepressant pharmaceuticals in biological fluids. J Pharm Biomed Anal 2018; 153:126-134. [PMID: 29477928 DOI: 10.1016/j.jpba.2018.02.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 01/31/2018] [Accepted: 02/02/2018] [Indexed: 10/18/2022]
Abstract
The present contribution aims to design new-generation bar adsorptive microextraction (BAμE) devices that promote an innovative and much better user-friendly analytical approach. The novel BAμE devices were lab-made prepared having smaller dimensions by using flexible nylon-based supports (7.5 × 1.0 mm) coated with convenient sorbents (≈ 0.5 mg). This novel advance allows effective microextraction and back-extraction ('only single liquid desorption step') stages as well as interfacing enhancement with the instrumental systems dedicated for routine analysis. To evaluate the achievements of these improvements, four antidepressant agents (bupropion, citalopram, amitriptyline and trazodone) were used as model compounds in aqueous media combined with liquid chromatography (LC) systems. By using an N-vinylpyrrolidone based-polymer phase good selectivity and efficiency were obtained. Assays performed on 25 mL spiked aqueous samples, yielded average recoveries in between 67.8 ± 12.4% (bupropion) and 88.3 ± 12.1% (citalopram), under optimized experimental conditions. The analytical performance also showed convenient precision (RSD < 12%) and detection limits (50 ng L-1), as well as linear dynamic ranges (160-2000 ng L-1) with suitable determination coefficients (r2 > 0.9820). The application of the proposed analytical approach on biological fluids showed negligible matrix effects by using the standard addition methodology. From the data obtained, the new-generation BAμE devices presented herein provide an innovative and robust analytical cycle, are simple to prepare, cost-effective, user-friendly and compatible with the current LC autosampler systems. Furthermore, the novel devices were designed to be disposable and used together with negligible amounts of organic solvents (100 μL) during back-extraction, in compliance with the green analytical chemistry principles. In short, the new-generation BAμE devices showed to be an eco-user-friendly approach for trace analysis of priority compounds in biological fluids and a versatile alternative over other well-stablished sorption-based microextraction techniques.
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Affiliation(s)
- A H Ide
- Centro de Quimica e Bioquimica e Centro de Quimica Estrutural, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal
| | - J M F Nogueira
- Centro de Quimica e Bioquimica e Centro de Quimica Estrutural, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal.
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18
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Magnetic ionic liquids as versatile extraction phases for the rapid determination of estrogens in human urine by dispersive liquid-liquid microextraction coupled with high-performance liquid chromatography-diode array detection. Anal Bioanal Chem 2018; 410:4689-4699. [DOI: 10.1007/s00216-017-0823-7] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 11/27/2017] [Accepted: 12/08/2017] [Indexed: 01/28/2023]
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19
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Pei M, Zhang Z, Huang X, Wu Y. Fabrication of a polymeric ionic liquid-based adsorbent for multiple monolithic fiber solid-phase microextraction of endocrine disrupting chemicals in complicated samples. Talanta 2017; 165:152-160. [DOI: 10.1016/j.talanta.2016.12.043] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 12/09/2016] [Accepted: 12/20/2016] [Indexed: 11/28/2022]
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20
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Bar adsorptive microextraction technique - application for the determination of pharmaceuticals in real matrices. Anal Bioanal Chem 2017; 409:2093-2106. [PMID: 28091717 DOI: 10.1007/s00216-016-0156-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 11/24/2016] [Accepted: 12/15/2016] [Indexed: 01/31/2023]
Abstract
In the present work, bar adsorptive microextraction using miniaturized devices (7.5 × 3.0 mm) coated with suitable sorbent phases, combined with microliquid desorption (100 μL) followed by high-performance liquid chromatography with diode array detection (BAμE-μLD/HPLC-DAD), is proposed for the determination of trace level of six pharmaceuticals (furosemide, mebeverine, ketoprofen, naproxen, diclofenac and mefenamic acid) in environmental water and urine matrices. By comparing ten distinct sorbent materials (five polymeric and five activated carbons), the polymer P5 proved to be the most suitable to achieve the best selectivity and efficiency. The solvent volume minimization in the liquid desorption stage demonstrated remarkable effectiveness, being more environmentally friendly, and simultaneously increased the microextraction enrichment factor two-fold. Assays performed through BAμE(P5, 0.9 mg)-μLD(100 μL)/HPLC-DAD on 25 mL of ultrapure water samples spiked at the 4.0 μg/L level yielded average recoveries ranging from 91.4% (furosemide) to 101.0% (ketoprofen) with good precision (RSD < 10.6%), under optimized experimental conditions. The analytical performance showed convenient detection limits (25.0 - 120.0 ng/L), good linear dynamic ranges (0.1 to 24.0 μg/L), appropriate determination coefficients (r 2 > 0.9983), and excellent repeatability through intraday (RSD < 10.4%)) and interday (RSD < 10.0%) assays. By using the standard addition methodology, the application of the present analytical approach on environmental waters and urine samples revealed the occurrence of trace levels of some pharmaceuticals. The solvent minimization during the back-extraction step associated with the miniaturization of BAμE devices proved to be a very promising analytical technology for static microextraction analysis. Graphical abstract BAμE operating under the floating sampling technology for the determination of pharmaceuticals in aqueous media.
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21
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Ide AH, Ahmad SM, Neng NR, Nogueira JMF. Enhancement for trace analysis of sulfonamide antibiotics in water matrices using bar adsorptive microextraction (BAμE). J Pharm Biomed Anal 2016; 129:593-599. [PMID: 27519155 DOI: 10.1016/j.jpba.2016.07.022] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Revised: 07/13/2016] [Accepted: 07/14/2016] [Indexed: 01/01/2023]
Abstract
In this study, the enhancement for trace analysis of sulfonamide antibiotics (sulfathiazole, sulfamethoxazole and sulfadimethoxine) and trimethoprim in water matrices is proposed using bar adsorptive microextraction combined with micro-liquid desorption followed by high-performance liquid chromatography with diode array detection (BAμE-μLD/HPLC-DAD). By comparing different polymers and activated carbons as sorbent coatings for BAμE, the polystyrene-divinylbenzene polymer (PS-DVB) showed the best selectivity for the compounds under study. Assays performed through BAμE(PS-DVB)-μLD on 25mL of ultrapure water samples spiked at the 8.0μgL(-1) level showed recoveries ranging from 63.8±1.5% to 84.2±1.9%, under optimized experimental conditions. The validated method provided satisfactory limits of detection (0.08-0.16μgL(-1)) and good linear dynamic ranges (0.16-8.00μgL(-1)) with determination coefficients higher than 0.9958. The proposed analytical methodology was applied to real matrices, such as tap, estuarine and wastewater samples using the standard addition method. It showed to be easy to implement, with good reproducibility, sensitivity and requiring small amount of sample. Furthermore, negligible consumption of organic solvents was used in compliance with the green analytical chemistry principles. When compared to other well-established microextraction approaches, BAμE demonstrated better performance concerning recovery yields and sensitivity.
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Affiliation(s)
- A H Ide
- Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande Ed. C8, 1749-016 Lisboa, Portugal
| | - S M Ahmad
- Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande Ed. C8, 1749-016 Lisboa, Portugal
| | - N R Neng
- Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande Ed. C8, 1749-016 Lisboa, Portugal.
| | - J M F Nogueira
- Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande Ed. C8, 1749-016 Lisboa, Portugal.
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22
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Sensitive determination of estrogens in environmental waters treated with polymeric ionic liquid-based stir cake sorptive extraction and liquid chromatographic analysis. Talanta 2016; 152:98-104. [DOI: 10.1016/j.talanta.2016.01.044] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Revised: 01/19/2016] [Accepted: 01/23/2016] [Indexed: 11/27/2022]
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23
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Guedes-Alonso R, Ciofi L, Sosa-Ferrera Z, Santana-Rodríguez JJ, Bubba MD, Kabir A, Furton KG. Determination of androgens and progestogens in environmental and biological samples using fabric phase sorptive extraction coupled to ultra-high performance liquid chromatography tandem mass spectrometry. J Chromatogr A 2016; 1437:116-126. [DOI: 10.1016/j.chroma.2016.01.077] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 01/18/2016] [Accepted: 01/29/2016] [Indexed: 11/16/2022]
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24
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Andrade FN, Ide AH, Neng NDR, Lanças FM, Nogueira JMF. Determination of trace levels of triazines in corn matrices by bar adsorptive microextraction with a molecularly imprinted polymer. J Sep Sci 2016; 39:756-61. [DOI: 10.1002/jssc.201501101] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 11/13/2015] [Accepted: 11/20/2015] [Indexed: 11/10/2022]
Affiliation(s)
| | - Alessandra Honjo Ide
- Centro de Química e Bioquímica, Faculdade de Ciências; Universidade de Lisboa; Campo Grande, Lisboa Portugal
| | - Nuno da Rosa Neng
- Centro de Química e Bioquímica, Faculdade de Ciências; Universidade de Lisboa; Campo Grande, Lisboa Portugal
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25
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Luo G, Li Y, Bao JJ. Development and application of a high-throughput sample cleanup process based on 96-well plate for simultaneous determination of 16 steroids in biological matrices using liquid chromatography–triple quadrupole mass spectrometry. Anal Bioanal Chem 2016; 408:1137-49. [DOI: 10.1007/s00216-015-9213-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Revised: 10/26/2015] [Accepted: 11/23/2015] [Indexed: 10/22/2022]
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26
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Liao K, Mei M, Li H, Huang X, Wu C. Multiple monolithic fiber solid-phase microextraction based on a polymeric ionic liquid with high-performance liquid chromatography for the determination of steroid sex hormones in water and urine. J Sep Sci 2015; 39:566-75. [DOI: 10.1002/jssc.201501156] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 11/13/2015] [Accepted: 11/13/2015] [Indexed: 12/27/2022]
Affiliation(s)
- Keren Liao
- State Key Laboratory of Marine Environmental Science, Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, College of the Environment and Ecology; Xiamen University; Xiamen China
| | - Meng Mei
- State Key Laboratory of Marine Environmental Science, Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, College of the Environment and Ecology; Xiamen University; Xiamen China
| | - Haonan Li
- State Key Laboratory of Marine Environmental Science, Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, College of the Environment and Ecology; Xiamen University; Xiamen China
| | - Xiaojia Huang
- State Key Laboratory of Marine Environmental Science, Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, College of the Environment and Ecology; Xiamen University; Xiamen China
| | - Cuiqin Wu
- School of Environmental Science and Engineering; Guangzhou University; Guangzhou China
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27
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Dias AN, da Silva AC, Simão V, Merib J, Carasek E. A novel approach to bar adsorptive microextraction: Cork as extractor phase for determination of benzophenone, triclocarban and parabens in aqueous samples. Anal Chim Acta 2015; 888:59-66. [PMID: 26320959 DOI: 10.1016/j.aca.2015.07.011] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Revised: 07/13/2015] [Accepted: 07/20/2015] [Indexed: 10/23/2022]
Abstract
This study describes the use of cork as a new coating for bar adsorptive microextraction (BAμE) and its application in determining benzophenone, triclocarban and parabens in aqueous samples by HPLC-DAD. In this study bars with 7.5 and 15 mm of length were used. The extraction and liquid desorption steps for BAμE were optimized employing multivariate and univariate procedures. The desorption time and solvent used for liquid desorption were optimized by univariate and multivariate studies, respectively. For the extraction step the sample pH was optimized by univariate experiments while the parameters extraction time and ionic strength were evaluated using the Doehlert design. The optimum extraction conditions were sample pH 5.5, NaCl concentration 25% and extraction time 90 min. Liquid desorption was carried out for 30 min with 250 μL (bar length of 15 mm) or 100 μL (bar length of 7.5 mm) of ACN:MeOH (50:50, v/v). The quantification limits varied between 1.6 and 20 μg L(-1) (bar length of 15 mm) and 0.64 and 8 μg L(-1) (bar length of 7.5 mm). The linear correlation coefficients were higher than 0.98 for both bars. The method with 7.5 mm bar length showed recovery values between 65 and 123%. The bar-to-bar reproducibility and the repeatability were lower than 13% (n = 2) and 14% (n = 3), respectively.
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Affiliation(s)
- Adriana Neves Dias
- Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis 88040900, SC, Brazil
| | - Ana Cristine da Silva
- Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis 88040900, SC, Brazil
| | - Vanessa Simão
- Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis 88040900, SC, Brazil
| | - Josias Merib
- Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis 88040900, SC, Brazil
| | - Eduardo Carasek
- Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis 88040900, SC, Brazil.
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