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Martin DE, Muselet D, Kanso H, Alnajjar P, Mexler J, Le Roux Y, Pak LT, Richard A, Charlier JB, Saaidi PL. Analysis of chlordecone and its transformation products in environmental waters by a new SPME-GC-MS method and comparison with LLE-GC-MS/MS and LLE-LC-MS/MS: A case study in the French West Indies. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 948:174610. [PMID: 38997033 DOI: 10.1016/j.scitotenv.2024.174610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 07/03/2024] [Accepted: 07/06/2024] [Indexed: 07/14/2024]
Abstract
Among the numerous organochlorines (OCs) applied in the French West Indies (FWI), chlordecone (hydrated form C10Cl10O2H2; CLD) still causes major environmental pollution nowadays. A recent report revealed the unexpected presence in FWI environment of transformation products (TPs) of CLD not routinely monitored due to a lack of commercial standards. Here, we present a method for surface waters and groundwaters to analyze CLD, its main TPs (hydroCLDs, chlordecol (CLDOH), 10-monohydroCLDOH and polychloroindenes) and other OCs. We developed an SPME-GC-SIM/MS method with a PDMS-DVB fiber. Since CLDOH-d commonly used as internal standard (IS) proved unsuitable, we synthesized several IS candidates, and finally identified 10-monohydro-5-methyl-chlordecol as a satisfactory IS for CLDOH and 10-monohydroCLDOH avoiding the use of 13C-labelled analogue. LODs for CLD and its TPs varied from 0.3 to 10 ng/L, equal to or below LODs of the two laboratories, BRGM (the French geological survey) and LDA26 (one of the French Departmental Analytical Laboratories), requested in FWI pollution monitoring that used liquid-liquid extractions and advanced facilities (LLE-GC-MS/MS and LLE-LC-MS/MS methods, respectively). Then, we extended the multi-residue method to 30 OCs (CLD and its TPs, mirex, β-HCH, lindane, dieldrin, aldrin, HCB, hexachlorobutadiene, TCE, PCE) and applied it to 30 surface and ground waters from FWI. While CLD, 8- and 10-monohydroCLD, CLDOH, 10-monohydroCLDOH, dieldrin, and β-HCH were detected and quantified, pentachloroindene, another CLD TP, was sporadically found in trace levels. A comparison with BRGM and LDA26 confirmed the interest of the SPME method. Results suggested an underestimation of CLDOH and an overestimation of high CLD concentrations with one of the currently used routine protocol. In light of these findings, previous temporal monitoring of environmental waters in FWI were re-examined and revealed some atypical values, which may indeed be due to analytical bias. These discrepancies call for intensified efforts to reliably quantify CLD and its TPs.
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Affiliation(s)
- Déborah E Martin
- Génomique Métabolique, Genoscope, Institut François Jacob, CEA, Univ Evry, Université Paris-Saclay, Evry, France
| | - Delphine Muselet
- Génomique Métabolique, Genoscope, Institut François Jacob, CEA, Univ Evry, Université Paris-Saclay, Evry, France
| | - Hussein Kanso
- Génomique Métabolique, Genoscope, Institut François Jacob, CEA, Univ Evry, Université Paris-Saclay, Evry, France
| | - Perla Alnajjar
- Laboratoire Animal et Agroécosystèmes (L2A), Université de Lorraine, INRAE, 54500 Nancy, France; Ecole doctorale en Sciences et Technologie, Université Libanaise, Tripoli, Lebanon
| | - Juliette Mexler
- BRGM, Univ. Montpellier, Montpellier, France; G-eau, INRAE, CIRAD, IRD, AgroParisTech, Institut Agro, BRGM, Montpellier, France
| | - Yves Le Roux
- Laboratoire Animal et Agroécosystèmes (L2A), Université de Lorraine, INRAE, 54500 Nancy, France; Université de Lorraine, ENSAIA, Chaire Industrielle Agrométha, 54505 Vandœuvre-lès-Nancy, France
| | - Lai Ting Pak
- CIRAD, UPR HortSys, F-97285 Le Lamentin, Martinique, France; HortSys, Univ Montpellier, CIRAD, Montpellier, France
| | - Antoine Richard
- INRAE, UR 1321 ASTRO, F-97170 Petit-Bourg, Guadeloupe, France
| | - Jean-Baptiste Charlier
- BRGM, Univ. Montpellier, Montpellier, France; G-eau, INRAE, CIRAD, IRD, AgroParisTech, Institut Agro, BRGM, Montpellier, France.
| | - Pierre-Loïc Saaidi
- Génomique Métabolique, Genoscope, Institut François Jacob, CEA, Univ Evry, Université Paris-Saclay, Evry, France.
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Sabouri N, Yamini Y, Ehsani MR, Bakhoda H. Determination of volatile compounds in white brine cheese and ultrafiltered cheese during ripening and shelf-life using nano-adsorbent fibers. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2024; 61:573-584. [PMID: 38327853 PMCID: PMC10844181 DOI: 10.1007/s13197-023-05865-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 09/21/2023] [Accepted: 10/03/2023] [Indexed: 02/09/2024]
Abstract
In this study, determination of aromatic compounds in cheese samples was performed by headspace solid-phase microextraction (HS-SPME) using a new adsorbent as a novel coated fiber in combination with a gas chromatography/mass spectrometry or flame ionization detector to evaluate the changes during ripening. Brine and ultrafiltrated (UF) cheese were sampled via HS-SPME and analyzed by gas chromatography/mass spectrometry. Polysulfone and mesoporous carbon nitride were used as two types of fibers for coating. The results showed that the pH had significant decreased during the 120 days for brine cheese (p < 0.001), and during the 90 days (p < 0.001) for UF cheese. Acidity was relatively stable during the ripening period for both cheeses (p > 0.05). Protein content decreased during the ripening period for both cheeses (p < 0.001). Moisture content also significantly decreased during the ripening period for both cheeses (p < 0.001). 74 compounds were identified in brine cheese and 27 major components in UF cheese. Fatty acids were the predominant components, followed by aldehydes (n: 17, 22.9%), alcohol (n; 12, 16.2%), ester (n: 11, 14.8%), alkane (n: 7, 9.4%), and ketone (n: 6, 8.1%) for white brine cheese, while for UF cheese fatty acid (n: 12, 44.4%) and aldehyde (n: 5, 18.5%), alcohol (n: 3, 11.1%), ketone (n: 3, 11.1%), ester (n: 2, 7.4%) and alkane (n: 1, 3.7%).
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Affiliation(s)
- Narges Sabouri
- Department of Food Science and Technology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Yadollah Yamini
- Department of Chemistry, Faculty of Science, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran
| | - Mohammad Reza Ehsani
- Department of Food Science and Technology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Hossein Bakhoda
- Department of Agricultural Mechanization, Science and Research Branch, Islamic Azad University, Tehran, Iran
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Saraji M, Fouladi M, Mohammadnezhad G, Mehrafza N. Application of boehmite as a fiber coating for headspace solid-phase microextraction of chlorophenols from aqueous samples. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023. [PMID: 38037742 DOI: 10.1039/d3ay01421e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
In this paper, the extraction of chlorophenols from water samples was carried out using high surface area boehmite nanoparticles as a sorbent. The surfactant-free process employed to make the nano-boehmite used in this work was simple, green, and efficient. The proposed approach was based on headspace solid-phase microextraction, followed by GC-ECD for the determination of analytes. In situ derivatization of analytes was performed with acetic anhydride in a basic medium. Various effective parameters, including the amount of derivatization reagent, ionic strength, desorption temperature and time, extraction temperature, equilibrium time, and extraction time were studied. Under optimal conditions, the linear dynamic range was 0.05-5.0 μg L-1 for 2,4-dichlorophenol and 2,6-dichlorophenol and 0.003-0.1 μg L-1 for 2,4,6-trichlorophenol. A low limit of detection (0.75 × 10-3-15 × 10-3 μg L-1), and relative standard deviations for real samples (RSDs) <10% were obtained. The precision (as intra- and inter-day RSDs) was between 1.2 and 9.8%. In comparison to commercial fibers (CAR-PDMS, 85 μm), this fiber showed a greater extraction efficiency. Various water samples were subjected to extraction by the proposed method. The recoveries ranged from 90 to 110%.
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Affiliation(s)
- Mohammad Saraji
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Iran.
| | - Monir Fouladi
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Iran.
| | | | - Narges Mehrafza
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Iran.
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4
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Kang S, Yun J, Park HY, Lee JE. Analytical factors for eight short-chain fatty acid analyses in mouse feces through headspace solid-phase microextraction-triple quadrupole gas chromatography tandem mass spectrometry. Anal Bioanal Chem 2023; 415:6227-6235. [PMID: 37587314 PMCID: PMC10558374 DOI: 10.1007/s00216-023-04895-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/27/2023] [Accepted: 07/31/2023] [Indexed: 08/18/2023]
Abstract
This study developed a method for quantifying eight short-chain fatty acids (SCFAs) in mouse fecal samples using solid-phase microextraction (SPME) coupled with triple quadrupole gas chromatography tandem mass spectrometry. Furthermore, significant factors affecting SCFA analysis, including SPME fiber selection, pH, salting-out agent, and sample collection time, were investigated. Contrary to previous studies, we found that the CAR/PDMS fiber had the highest extraction efficiency for all SCFAs. The optimal extraction efficiency was observed at pH 2.0, particularly for low-molecular-weight SCFAs. NaH2PO4 showed a more effective extraction efficiency than NaCl, owing to its pH stability and less interference with the solvent matrix. Additionally, our results showed that the SCFA concentration increased over collection time. The composition ratio of the eight SCFAs was maintained for up to 24 h; thus, we concluded that samples should be collected within four hours to obtain reliable results. Our findings may improve laboratory methods for SCFA extraction and mouse fecal sample analysis.
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Affiliation(s)
- Sunhee Kang
- Fermented Food Research Group, Food Convergence Research Division, Korea Food Research Institute, 245 Nongsaenmyeong-Ro, Wanju-Gun, Jeollabuk-Do, 55365, Republic of Korea
| | - Jeonghyun Yun
- Fermented Food Research Group, Food Convergence Research Division, Korea Food Research Institute, 245 Nongsaenmyeong-Ro, Wanju-Gun, Jeollabuk-Do, 55365, Republic of Korea
| | - Ho-Young Park
- Food Functionality Research Division, Korea Food Research Institute, 245 Nongsaenmyeong-Ro, Wanju-Gun, Jeollabuk-Do, 55365, Republic of Korea.
- Department of Food Biotechnology, University of Science and Technology, Daejeon, 34113, Republic of Korea.
| | - Jang-Eun Lee
- Fermented Food Research Group, Food Convergence Research Division, Korea Food Research Institute, 245 Nongsaenmyeong-Ro, Wanju-Gun, Jeollabuk-Do, 55365, Republic of Korea.
- Department of Food Biotechnology, University of Science and Technology, Daejeon, 34113, Republic of Korea.
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Lin J, Gao X, Gong L, Zhang X, Li T, Zhao F, Zeng B. An electrochemically fabricated ZIF-67/[HOEMIM]BF 4 coating for the solid-phase microextraction and detection of polycyclic aromatic hydrocarbons. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:4883-4891. [PMID: 37712204 DOI: 10.1039/d3ay01174g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/16/2023]
Abstract
Coatings are considered to play a crucial role in solid-phase microextraction (SPME). In this work, a novel coating named ZIF-67/[HOEMIM]BF4 was fabricated through in situ potentiostatic electrodeposition in methanol solutions containing ZIF-67 precursors and 1-(2'-hydroxyethyl)-3-methylimidazolium tetrafluoroborate ([HOEMIM]BF4). Compared with the traditional solvothermal method, this method reduced the synthesis time and enabled ZIF-67 to grow directly on the surface of stainless-steel wire, effectively simplifying the preparation process and improving the coating reproducibility. Owing to the inherent characteristics such as high porosity and high thermal and mechanical stability, and the impressive morphological regulation and extraction function of [HOEMIM]BF4, the developed coating exhibited a prolonged service life and a better extraction capacity for trace polycyclic aromatic hydrocarbons (PAHs) compared to single ZIF-67 and commercial fibers. Under the optimal conditions, the linear range of the ZIF-67/[HOEMIM]BF4-based SPME-GC method was 0.01-500 μg L-1, and the detection limit was 0.27-5.2 ng L-1. When applied in the determination of PAHs in a real water sample, recoveries between 85.6-117.3% were obtained, indicating the potential of ZIF-67/[HOEMIM]BF4 in the high efficiency SPME and GC analysis of PAHs.
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Affiliation(s)
- Jingwen Lin
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P. R. China.
| | - Xuening Gao
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P. R. China.
| | - Linbo Gong
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P. R. China.
| | - Xiaoqing Zhang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P. R. China.
| | - Tianning Li
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P. R. China.
| | - Faqiong Zhao
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P. R. China.
| | - Baizhao Zeng
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P. R. China.
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Wang Y, Lin Y, Ren T, Yang Y, He Z, Deng Y, Zheng C. Battery-Operated and Self-Heating Solid-Phase Microextraction Device for Field Detection and Long-Term Preservation of Mercury in Soil. Anal Chem 2023; 95:10873-10878. [PMID: 37436933 DOI: 10.1021/acs.analchem.3c00686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/14/2023]
Abstract
The application of headspace solid-phase microextraction (HS-SPME) for mercury preservation and detection still has several shortcomings, including the use of high-temperature desorption chamber, the consumption of expensive reagent (NaBEt4 or NaBPr4), and analyte loss during sample storage. Herein, a self-heating HS-SPME device using a gold-coated tungsten (Au@W) fiber was developed for the field detection of mercury in soil by miniature point discharge optical emission spectrometry (μPD-OES). Hg2+ was reduced to Hg0 with NaBH4 solution and then preconcentrated with the Au@W fiber. The adsorbed Hg0 could be rapidly desorbed by directly heating the fiber with a mini lithium battery and subsequently detected by μPD-OES. A limit of detection (LOD) of 0.008 mg kg-1 was obtained with a relative standard deviation (RSD) of 2.4%. The accuracy of the self-heating HS-SPME was evaluated by analyzing a soil certified reference material (CRM) and nine soil samples with satisfactory recoveries (86-111%). Compared to the conventional external heating method, the proposed method reduces desorption time and power consumption from 80 s and 60 W to 20 s and 2.5 W, respectively. Moreover, the self-heating device enables the μPD-OES system to remove the high-temperature desorption chamber, making it more compact and suitable for field analytical chemistry. Interestingly, the Au@W SPME fiber can be also used for the long-term preservation of mercury with a sample loss rate <5% after 30 days of storage at room temperature.
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Affiliation(s)
- Yao Wang
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Yao Lin
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, China
| | - Tian Ren
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Yuan Yang
- Department of Chemistry, College of Science, Xihua University, Chengdu, Sichuan 610039, China
| | - Zhao He
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Yurong Deng
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Chengbin Zheng
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
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7
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Munoz A, Schmidt J, Suffet IHM, Tsai CSJ. Characterization of Emissions from Carbon Dioxide Laser Cutting Acrylic Plastics. ACS CHEMICAL HEALTH & SAFETY 2023; 30:182-192. [PMID: 37501918 PMCID: PMC10369487 DOI: 10.1021/acs.chas.3c00013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 06/07/2023] [Indexed: 07/29/2023]
Abstract
Carbon dioxide laser cutters are used to cut and engrave on various types of materials, including metals, wood, and plastics. Although many are equipped with fume extractors for removing airborne substances generated during laser cutting, gases and particulate matter can be released upon opening the lid after completion. This study focused on investigating laser cutting acrylic sheets and associated emissions. Real-time instruments were utilized to monitor both particulate concentrations and size distributions, while the patented Tsai diffusion sampler was used to collect particulate samples on a polycarbonate membrane and transmission electron microscopy (TEM) grid. Identification of released gases consisted of the use of gas sampling with Teflon gas bags followed by analysis using gas chromatography-mass spectrometry (GC-MS). A portable ambient infrared air analyzer was used to quantify the concentrations of the chemicals released by laser cutting activities. The results of the study found that a significant concentration of particulate matter, including nanoplastic particles ranging 15.4-86 nm in particle sizes, and microplastics with agglomerates were released each time the laser cutter lid was opened and were observed to gradually increase in concentration for a period of at least 20 min after the completion of a cut. The GC-MS gaseous samples primarily contained methyl methacrylate at a low level close to the detection limit of the infrared air analyzer.
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Affiliation(s)
- Alejandro Munoz
- Department
of Environmental Health Sciences, Fielding School of Public Health, University of California—Los Angeles, Los Angeles, California 90095-1735, United
States
| | - Jacob Schmidt
- Samueli
School of Engineering, University of California—Los
Angeles, Los Angeles, California 90095-1735, United States
| | - I. H. Mel Suffet
- Department
of Environmental Health Sciences, Fielding School of Public Health, University of California—Los Angeles, Los Angeles, California 90095-1735, United
States
| | - Candace Su-Jung Tsai
- Department
of Environmental Health Sciences, Fielding School of Public Health, University of California—Los Angeles, Los Angeles, California 90095-1735, United
States
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8
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Hao W, Cardin DB. Full Evaporative Vacuum Extraction─A Quantitative and Green Approach for Analysis of Semivolatile Organic Compounds in Drinking Water and Surface Water Using GC-MS. Anal Chem 2023; 95:3959-3967. [PMID: 36749651 PMCID: PMC9979150 DOI: 10.1021/acs.analchem.2c03414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Full evaporative vacuum extraction (FEVE) was developed in this work for analysis of a broad range of semivolatile organic compounds (SVOCs) in drinking water and surface water. Sorbent pens are used in a two-stage process that first evaporates the sample matrix through sorbent beds under vacuum to recover the lighter SVOCs, followed by the application of a higher temperature and stronger vacuum to the sample vial to recover the remaining heavier SVOCs once the matrix has evaporated. After extraction, the sorbent pens are desorbed into a GC-MS using a uniquely designed "splitless" delivery system to maximize sensitivity. Critical extraction and desorption parameters that affect the method performance were optimized. After FEVE, the sorbent pens can be stored for 7-10 days at room temperature while maintaining a less than 15% loss in analyte recovery. As a proof of concept, 10 drinking water and surface water samples were analyzed using this method. 69 analytes were detected in these water samples, with the highest concentration of 1986 ng/L for bromacil. Heptachlor epoxide, chlorpyrifos, metolachlor, butachlor, and 2,3',4',5-tetrachlorobiphenyl were detected in four samples. None of the analytes were above the health and safety thresholds set by California Proposition 65.
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de Paula Meirelles G, Fabris AL, Ferreira Dos Santos K, Costa JL, Yonamine M. Green Analytical Toxicology for the Determination of Cocaine Metabolites. J Anal Toxicol 2023; 46:965-978. [PMID: 35022727 DOI: 10.1093/jat/bkac005] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 12/30/2021] [Accepted: 01/11/2022] [Indexed: 01/26/2023] Open
Abstract
Brazil is the third largest contributor to Green Analytical Chemistry, and there is significant participation of toxicologists in the development and improvement of environmental techniques. Currently, toxicologists have their own strategies and guidelines to promote the reduction/replacement or elimination of solvents, reduce the impacts of derivatization and save time, among other objectives, due to the peculiarities of toxicological analysis. Thus, this review aims to propose the concept of Green Analytical Toxicology and conduct a discussion about its relevance and applications specifically in forensic toxicology, using the microextraction methods developed for the determination of cocaine and its metabolites as examples.
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Affiliation(s)
- Gabriela de Paula Meirelles
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo (USP), Av. Professor Lineu Prestes, 580, 13B, Sao Paulo, SP 05508-000, Brazil
| | - André Luis Fabris
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo (USP), Av. Professor Lineu Prestes, 580, 13B, Sao Paulo, SP 05508-000, Brazil
| | - Karina Ferreira Dos Santos
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo (USP), Av. Professor Lineu Prestes, 580, 13B, Sao Paulo, SP 05508-000, Brazil
| | - José Luiz Costa
- Campinas Poison Control Center, University of Campinas (UNICAMP), R. Tessália Vieira de Camargo, 126, Campinas, SP 13083-859, Brazil.,Faculty of Pharmaceutical Sciences, University of Campinas (UNICAMP), R. Cândido Portinari, 200, Campinas, SP 13083-871, Brazil
| | - Mauricio Yonamine
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo (USP), Av. Professor Lineu Prestes, 580, 13B, Sao Paulo, SP 05508-000, Brazil
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Li F, Wang Z, Zhu B, Xu X, Liu Z. Development and Application of a Rapid Screening SPE-LC-QTOF Method for the Quantification of 14 Anesthetics in Aquatic Products. FOOD ANAL METHOD 2023. [DOI: 10.1007/s12161-022-02420-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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11
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Simple and rapid preparation of homemade SPME PDMS fibers and their application to the analysis of personal care products in water samples. CHEMICAL PAPERS 2023. [DOI: 10.1007/s11696-022-02608-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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12
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Polyoxometalate/reduced graphene oxide composite stabilized on the inner wall of a stainless steel tube as a sorbent for solid-phase microextraction of some parabens followed by quantification via high-performance liquid chromatography. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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13
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Letseka TE, Sepheka NJ, Dubery IA, George MJ. Bioprospecting of Essential Oil-Bearing Plants: Rapid Screening of Volatile Organic Compounds Using Headspace Bubble-in-Drop Single-Drop Microextraction for Gas Chromatography Analysis. PLANTS (BASEL, SWITZERLAND) 2022; 11:2749. [PMID: 36297773 PMCID: PMC9609334 DOI: 10.3390/plants11202749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/13/2022] [Accepted: 10/15/2022] [Indexed: 06/16/2023]
Abstract
Essential oils are vital constituents of oil-bearing plants. However, their screening still demands harvesting of the plant for laboratory analysis. We report herein a simple, rapid and robust headspace bubble-in-drop microextraction screening technique (BID-SPME) requiring only small amounts of plant material. The optimised method uses 0.5 g of the crushed plant leaves sample obtained in a 2 mL capped chromatography vial, heated to 55 °C and sampled with 2 µL heptadecane in a Hamilton gastight syringe equilibrated for 15 min exposed to the headspace volume. The method was applied to three plants, Pinus radiata, Tagetes minuta and Artemisia afra, which are known for their essential oil content. The method was able to extract at least 80% of the oil constituents in such abundance that they could be easily annotated using the gas chromatography-mass spectrometry (GC-MS) mass spectral libraries. The major volatile organic compounds (VOCs) detected included tagetone, terpinen-4-ol, ocimenone, caryophyllene, dihydrotagetone, terpinolene and artemisia ketone, just to mention a few, at different concentrations in different plants. Importantly, these annotated VOCs were also reported in other studies in the same and even different plants, extracted using normal steam distillation and importantly those reported in the literature for different extraction techniques.
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Affiliation(s)
- Thabiso E. Letseka
- Department of Chemistry and Chemical Technology, National University of Lesotho, P.O. Box 180, Roma 100, Lesotho
| | - Ntjana J. Sepheka
- Department of Chemistry and Chemical Technology, National University of Lesotho, P.O. Box 180, Roma 100, Lesotho
| | - Ian A. Dubery
- Department of Biochemistry, University of Johannesburg, P.O. Box 524, Johannesburg 2006, South Africa
| | - Mosotho J. George
- Department of Chemistry and Chemical Technology, National University of Lesotho, P.O. Box 180, Roma 100, Lesotho
- Department of Biochemistry, University of Johannesburg, P.O. Box 524, Johannesburg 2006, South Africa
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Amalia L, Yuliana ND, Sugita P, Arofah D, Syafitri UD, Windarsih A, Rohman A, Dachriyanus, Abu Bakar NK, Kusnandar F. Volatile compounds, texture, and color characterization of meatballs made from beef, rat, wild boar, and their mixtures. Heliyon 2022; 8:e10882. [PMID: 36247117 PMCID: PMC9558031 DOI: 10.1016/j.heliyon.2022.e10882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 08/07/2022] [Accepted: 09/28/2022] [Indexed: 10/26/2022] Open
Abstract
The purpose of this research was to characterize the volatile compounds, texture, and color profile of meatballs made from beef, rat, wild boar, and their combinations. Volatile compounds were analyzed using SPME/GC-MS and multivariate data analysis (PCA, PLS-DA). Additionally, several textural features such as hardness, gumminess, chewiness, cohesiveness, and colour (L, a∗, b∗, C, and h) were also analyzed. The findings revealed that texture and color characteristics can only be used to differentiate meatballs based on their raw meat materials when meat adulterants are used in high concentrations (≥50%). PLS-DA analysis of volatile data revealed distinct groupings among various types of meatballs, including meatballs adulterated with rat or wild boar meat at the lowest percentage used in this study (20%). By using VIP and correlation coefficient, the strongest markers in beef, rat, and wild boar meatballs were identified as (Z)-2-amino-5-methyl-benzoic acid, 2-heptenal, and cyclobutanol, respectively. Nonanal was consistently found as a significant marker in the meatballs made from a mixture of beef-rat and beef-wild boar at different ratios. This study demonstrated that the volatile profile of meat is more reliable than physicochemical profiles for developing an analytical tool for quickly identifying undesired meat in meat-derived products.
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Affiliation(s)
- Lia Amalia
- Department of Food Science and Technology, IPB University, Bogor 16680, Indonesia,Djuanda University, Faculty of Halal Food Science, Department of Food Technology and Nutrition, Bogor 16720, Indonesia,The Assessment Institute for Foods, Drugs and Cosmetics. Indonesian Council of Ulama, Bogor 16161, Indonesia
| | - Nancy Dewi Yuliana
- Department of Food Science and Technology, IPB University, Bogor 16680, Indonesia,Halal Science Center, IPB University, Bogor 16129, Indonesia,Corresponding author.
| | - Purwantiningsih Sugita
- Department of Chemistry, IPB University, Bogor 16680, Indonesia,Halal Science Center, IPB University, Bogor 16129, Indonesia,The Assessment Institute for Foods, Drugs and Cosmetics. Indonesian Council of Ulama, Bogor 16161, Indonesia
| | - Desi Arofah
- Indonesian Center for Rice Research, Sukamandi, Subang 41256, Indonesia
| | | | - Anjar Windarsih
- Department of Chemistry, Faculty of Science, Universiti Malaya, Kuala Lumpur 50603, Malaysia,Research Center for Food Technology and Processing (PRTPP), National Research and Innovation Agency (BRIN), Yogyakarta 55861, Indonesia
| | - Abdul Rohman
- Center of Excellence, Institute for Halal Industry and Systems, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia,Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
| | - Dachriyanus
- Faculty of Pharmacy, Andalas University, Padang 25175, Indonesia
| | - Nor Kartini Abu Bakar
- Department of Chemistry, Faculty of Science, Universiti Malaya, Kuala Lumpur 50603, Malaysia
| | - Feri Kusnandar
- Department of Food Science and Technology, IPB University, Bogor 16680, Indonesia,Halal Science Center, IPB University, Bogor 16129, Indonesia
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15
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Hou S, Wang X, Lian L, Zhu B, Yue B, Lou D. Determination of Polychlorinated Biphenyls in Water Samples Using a Needle Trap Device Combined with Gas Chromatography. LCGC NORTH AMERICA 2022. [DOI: 10.56530/lcgc.na.pb8772h2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
In this study, a fiber-packed needle trap device (NTD) was developed by packing heat-resistant fibers with a polyethylene glycol sol-gel coating into a 21-gauge, stainless steel needle. The polyethylene glycol sol-gel coating has numerous advantages, including uniform roughness and a large specific surface area. The prepared NTD was used for headspace extraction of five polychlorinated biphenyls (PCBs) in water samples, determined by gas chromatography with a flame ionization detector (GC-FID). The main experimental parameters, including the extraction and desorption conditions, ionic strength, and fiber bundles, were investigated to improve the extraction efficiency. After optimization, satisfactory linearity (r > 0.99) in the concentration range of 0.02–500 μg/L was obtained, and the enrichment factor of NTD for the five PCBs was between 1150 and 9537 times. The limit of detection (S/N = 3) of five PCBs were measured in ranges of 0.0021–0.01 μg/L. Furthermore, the fiber-packed NTD has excellent durability, and can be reused for 60 cycles. After being stored at room temperature for three days, the storage ability of the NTD had a loss of PCBs less than 10%, and the relative standard deviation (RSD) was less than 10%. When analyzing the PCBs in real water samples, good accuracies (spiked recoveries were in the range of 92.19–98.56%) and precision (the RSD was lower than 12.8%) was obtained.
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Affiliation(s)
| | | | - Lili Lian
- Jilin Institute of Chemical Technology
| | - Bo Zhu
- Jilin Institute of Chemical Technology
| | | | - Dawei Lou
- Jilin Institute of Chemical Technology
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16
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Sun M, Bu Y, Xin X, Feng J. Polyurethane functionalized silica aerogel for in-tube solid-phase microextraction of estrogens prior to high performance liquid chromatography detection. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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Najarzadekan H, Sereshti H, Ahmad I, Shahabuddin S, Rashidi Nodeh H, Sridewi N. Superhydrophobic Nanosilica Decorated Electrospun Polyethylene Terephthalate Nanofibers for Headspace Solid Phase Microextraction of 16 Organochlorine Pesticides in Environmental Water Samples. Polymers (Basel) 2022; 14:polym14173682. [PMID: 36080757 PMCID: PMC9460059 DOI: 10.3390/polym14173682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 08/22/2022] [Accepted: 08/23/2022] [Indexed: 11/24/2022] Open
Abstract
A new solid phase micro extraction (SPME) fiber coating composed of electrospun polyethylene terephthalate (PET) nanofibrous mat doped with superhydrophobic nanosilica (SiO2) was coated on a stainless-steel wire without the need of a binder. The coating was characterized by scanning electron microscopy (SEM) and Fourier transform infrared spectrometer (FTIR) techniques and it was used in headspace-SPME of 16 organochlorine pesticides in water samples prior to gass chromatography micro electron capture detector (GC-µECD) analysis. The effects of main factors such as adsorption composition, electrospinning flow rate, salt concentration, extraction temperature, extraction time, and desorption conditions were investigated. Under the optimum conditions, the linear dynamic range (8−1000 ng L−1, R2 > 0.9907), limits of detection (3−80 ng L−1), limits of quantification (8−200 ng L−1), intra-day and inter-day precisions (at 400 and 1000 ng L−1, 1.7−13.8%), and fiber-to-fiber reproducibility (2.4−13.4%) were evaluated. The analysis of spiked tap, sewage, industrial, and mineral water samples for the determination of the analytes resulted in satisfactory relative recoveries (78−120%).
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Affiliation(s)
- Hamid Najarzadekan
- School of Chemistry, College of Science, University of Tehran, Tehran 1417614411, Iran
| | - Hassan Sereshti
- School of Chemistry, College of Science, University of Tehran, Tehran 1417614411, Iran
- Correspondence: (H.S.); or (S.S.); (N.S.); Tel.: +98-21-6113735 (H.S.); +91-8585932338 (S.S.); +60-124-675-320 (N.S.)
| | - Irfan Ahmad
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha 61421, Saudi Arabia
| | - Syed Shahabuddin
- Department of Chemistry, School of Technology, Pandit Deendayal Energy University, Raisan 382426, Gujarat, India
- Correspondence: (H.S.); or (S.S.); (N.S.); Tel.: +98-21-6113735 (H.S.); +91-8585932338 (S.S.); +60-124-675-320 (N.S.)
| | - Hamid Rashidi Nodeh
- Food Technology and Agricultural Products Research Center, Standard Research Institute, Karaj 3174734563, Iran
| | - Nanthini Sridewi
- Department of Maritime Science and Technology, Faculty of Defence Science and Technology, National Defence University of Malaysia, Kuala Lumpur 57000, Malaysia
- Correspondence: (H.S.); or (S.S.); (N.S.); Tel.: +98-21-6113735 (H.S.); +91-8585932338 (S.S.); +60-124-675-320 (N.S.)
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18
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Wei H, Wei Y, Qiu X, Yang S, Chen F, Ni H, Li Q. Comparison of potent odorants in raw and cooked mildly salted large yellow croaker using odor-active value calculation and omission test: understanding the role of cooking method. Food Chem 2022; 402:134015. [DOI: 10.1016/j.foodchem.2022.134015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 07/24/2022] [Accepted: 08/22/2022] [Indexed: 10/15/2022]
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19
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Selective enrichment and determination of polychlorinated biphenyls in milk by solid-phase microextraction using molecularly imprinted phenolic resin fiber coating. Anal Chim Acta 2022; 1227:340328. [DOI: 10.1016/j.aca.2022.340328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 08/19/2022] [Accepted: 08/24/2022] [Indexed: 11/30/2022]
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20
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Cheng Z, O'Sullivan MG, Miao S, Kerry JP, Kilcawley KN. Sensorial, cultural and volatile properties of milk, dairy powders, yoghurt and butter: A review. INT J DAIRY TECHNOL 2022. [DOI: 10.1111/1471-0307.12898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Zeng Cheng
- Food Quality and Sensory Science Teagasc Food Research Centre Moorepark, Fermoy, Co. Cork, P61 C996, Ireland
- Sensory Group, School of Food and Nutritional Sciences University College Cork Cork T12 R229, Ireland
| | - Maurice G O'Sullivan
- Sensory Group, School of Food and Nutritional Sciences University College Cork Cork T12 R229, Ireland
| | - Song Miao
- Department of Food Chemistry and Technology Teagasc Food Research Centre Moorepark, Fermoy, Co. Cork, P61 C996, Ireland
- China‐Ireland International Cooperation Centre for Food Material Science and Structure Design Fujian Agriculture and Forestry University Fuzhou Fujian 350002 China
| | - Joseph P Kerry
- Food Packaging Group, School of Food and Nutritional Sciences University College Cork Cork T12 R229, Ireland
| | - Kieran N Kilcawley
- Food Quality and Sensory Science Teagasc Food Research Centre Moorepark, Fermoy, Co. Cork, P61 C996, Ireland
- Sensory Group, School of Food and Nutritional Sciences University College Cork Cork T12 R229, Ireland
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21
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Shen L, Zhang J, Dang X, Chen H, Yuan H. Preparation and application of a nanocomposite of dopamine modified zirconium metal organic framework and polythiophene for solid-phase microextraction/gas chromatography of phenols released from polycarbonate materials. J Chromatogr A 2022; 1676:463187. [DOI: 10.1016/j.chroma.2022.463187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 05/24/2022] [Accepted: 05/31/2022] [Indexed: 11/28/2022]
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22
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Preparation of a Novel Solid Phase Microextraction Fiber for Headspace GC-MS Analysis of Hazardous Odorants in Landfill Leachate. Processes (Basel) 2022. [DOI: 10.3390/pr10061045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
The practice of odorant analysis can often be very challenging because odorants are usually composed of a host of volatile organic compounds (VOCs) at low concentrations. Preconcentration with solid phase microextraction (SPME) is a conventional technique for the enrichment of these volatile compounds before analysis by headspace gas chromatography-mass spectrometry (GC-MS). However, commercially available SPME products usually bear the defects of weak mechanical strength and high cost. In this work, novel SPME fibers were prepared by a one-pot synthesis procedure from divinylbenzene (DVB), porous carbon powder (Carbon) and polydimethylsiloxane (PDMS). Factors that influence the extraction efficiency, such as extraction temperature, extraction time, salting effects, pH, stirring rate, desorption temperature and time, were optimized. VOCs in landfills pose a great threat to human health and the environment. The new SPME fibers were successfully applied in the analysis of VOCs from the leachate of a cyanobacteria landfill. Quantification methods of major odor contributors were established, and a good linearity (r > 0.998) was obtained, with detection limits in the range of 0.30–0.50 ng/L. Compared to commercial SPME fibers, the new material has higher extraction efficacy and higher precision. Hence, it is suitable for the determination of hazardous odorants of various sources.
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23
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Silica Aerogel Hybridized with Melamine-Terephthalaldehyde Polymer for In-Tube Solid-Phase Microextraction of Polycyclic Aromatic Hydrocarbons from Environment Water. NANOMATERIALS 2022; 12:nano12101766. [PMID: 35630987 PMCID: PMC9144139 DOI: 10.3390/nano12101766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/15/2022] [Accepted: 05/17/2022] [Indexed: 12/04/2022]
Abstract
To improve the extraction performance of the silica aerogel, a melamine-terephthalaldehyde polymer was used to hybridize silica aerogel, and the hybridized aerogel was coated on the surface of stainless steel wire to prepare a fiber-filled extraction tube through placing four wires into a polyetheretherketone tube. The tube was combined with high-performance liquid chromatography, then the online extraction and detection were established. Several polycyclic aromatic hydrocarbons (PAHs) were selected as the target analytes. Under the optimum extraction and desorption conditions, the limit of detection was as low as 3.0 ng L−1, and the linear range was 0.01–20.0 μg L−1. The enrichment factors of PAHs were in the range of 1724–2393. Three environmental water samples of mineral water, tap water and river water were analyzed by this method, and the recoveries that spiked at 1.0–10.0 μg L−1 were between 80.5–126%. It showed many advantages compared with other methods, such as better sensitivity, faster detection and online analysis.
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24
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Automated Headspace Solid-Phase Microextraction-Gas Chromatography-Mass Spectrometry of Trihalomethane and Typical Nitrogenous Disinfection By-products in Water. J Chromatogr A 2022; 1673:463068. [DOI: 10.1016/j.chroma.2022.463068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 04/12/2022] [Accepted: 04/13/2022] [Indexed: 11/20/2022]
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25
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Chen Z, Wang J, Li Q, Wu Y, Liu Y, Ding Q, Chen H, Zhang W, Zhang L. Hollow zirconium-porphyrin-based metal-organic framework for efficient solid-phase microextraction of naphthols. Anal Chim Acta 2022; 1200:339586. [DOI: 10.1016/j.aca.2022.339586] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 01/29/2022] [Accepted: 02/05/2022] [Indexed: 11/29/2022]
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26
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Volatilomics-Based Microbiome Evaluation of Fermented Dairy by Prototypic Headspace-Gas Chromatography–High-Temperature Ion Mobility Spectrometry (HS-GC-HTIMS) and Non-Negative Matrix Factorization (NNMF). Metabolites 2022; 12:metabo12040299. [PMID: 35448485 PMCID: PMC9025153 DOI: 10.3390/metabo12040299] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/21/2022] [Accepted: 03/24/2022] [Indexed: 12/10/2022] Open
Abstract
Fermented foods, such as yogurt and kefir, contain a versatile spectrum of volatile organic compounds (VOCs), including ethanol, acetic acid, ethyl acetate, and diacetyl. To overcome the challenge of overlapping peaks regarding these key compounds, the drift tube temperature was raised in a prototypic high-temperature ion mobility spectrometer (HTIMS). This HS-GC-HTIMS was used for the volatilomic profiling of 33 traditional kefir, 13 commercial kefir, and 15 commercial yogurt samples. Pattern recognition techniques, including principal component analysis (PCA) and NNMF, in combination with non-targeted screening, revealed distinct differences between traditional and commercial kefir while showing strong similarities between commercial kefir and yogurt. Classification of fermented dairy samples into commercial yogurt, commercial kefir, traditional mild kefir, and traditional tangy kefir was also possible for both PCA- and NNMF-based models, obtaining cross-validation (CV) error rates of 0% for PCA-LDA, PCA-kNN (k = 5), and NNMF-kNN (k = 5) and 3.3% for PCA-SVM and NNMF-LDA. Through back projection of NNMF loadings, characteristic substances were identified, indicating a mild flavor composition of commercial samples, with high concentrations of buttery-flavored diacetyl. In contrast, traditional kefir showed a diverse VOC profile with high amounts of flavorful alcohols (including ethanol and methyl-1-butanol), esters (including ethyl acetate and 3-methylbutyl acetate), and aldehydes. For validation of the results and deeper understanding, qPCR sequencing was used to evaluate the microbial consortia, confirming the microbial associations between commercial kefir and commercial yogurt and reinforcing the differences between traditional and commercial kefir. The diverse flavor profile of traditional kefir primarily results from the yeast consortium, while commercial kefir and yogurt is primarily, but not exclusively, produced through bacterial fermentation. The flavor profile of fermented dairy products may be used to directly evaluate the microbial consortium using HS-GC-HTIMS analysis.
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27
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Use of Multivariate Statistics in the Processing of Data on Wine Volatile Compounds Obtained by HS-SPME-GC-MS. Foods 2022; 11:foods11070910. [PMID: 35406997 PMCID: PMC8997410 DOI: 10.3390/foods11070910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/18/2022] [Accepted: 03/21/2022] [Indexed: 11/26/2022] Open
Abstract
This review takes a snapshot of the main multivariate statistical techniques and methods used to process data on the concentrations of wine volatile molecules extracted by means of solid phase micro-extraction and analyzed using GC-MS. Hypothesis test, exploratory analysis, regression models, and unsupervised and supervised pattern recognition methods are illustrated and discussed. Several applications in the wine volatolomic sector are described to highlight different interactions among the various matrix components and volatiles. In addition, the use of Artificial Intelligence-based methods is discussed as an innovative class of methods for validating wine varietal authenticity and geographical traceability.
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28
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Huang W, Shao W, Ji Y, Li H, Chen J, Lin Z. Covalent organic framework-based solid phase microextraction coupled with electrospray ionization mass spectrometry for sensitive screening and quantitative evaluation of carbamazepine and its metabolite in mice. Talanta 2022; 243:123341. [PMID: 35247819 DOI: 10.1016/j.talanta.2022.123341] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/24/2022] [Accepted: 02/28/2022] [Indexed: 12/26/2022]
Abstract
Carbamazepine (CBZ) and its metabolite carbamazepine-10,11-epoxide (CBZEP) play vital role in the treatment of epilepsy. It is of great importance to develop a method for rapid and sensitive monitoring of CBZ and CBZEP due to their narrow therapeutic index. Herein, an imine-linked-based covalent organic framework was synthesized by using 1,3,5-tris (4-aminophenyl) benzene (TPB) and 1,3,5-triformylbenzene (TFB) (denoted as TPB-TFB-COF),and applied as a solid-phase microextraction (SPME) probe for extracting CBZ and CBZEP. The TPB-TFB-COF showed large surface areas (371 m2 g-1), high regular porosity (1.23 nm) and extraordinary stability, which rendered it an ideal adsorbent for highly efficient enrichment of CBZ and CBZEP. Accordingly, an attractive strategy of the combination of the TPB-TFB-COF-based SPME probe and electrospray ionization mass spectrometry system (ESI/MS) was proposed for rapid screening and sensitive monitoring of CBZ and CBZEP. Under the optimized parameters, the developed method exhibited good linearity for CBZ and CBZEP in the range of 4-1000 μg L-1 with correlation coefficient (r) no less than 0.9953, and the corresponding limits of detection (LODs) were 0.4 and 2.5 μg L-1, respectively. Moreover, high enrichment factors (EFs, 202-351 folds) and satisfactory relative standard deviations (RSDs) of one probe (3.3-5.1%) and probe-to-probe (4.8-5.6%) were obtained. By using the proposed method, sensitive screening and quantitative evaluation of CBZ and CBZEP in mice whole blood and tissue homogenates were successfully achieved, indicating the promising applicability of the TPB-TFB-COF-SPME-AMIS as a powerful tool for drug monitoring.
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Affiliation(s)
- Weini Huang
- Ministry of Education Key Laboratory of Analytical Science for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Wenya Shao
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou, 350122, China
| | - Yin Ji
- Ministry of Education Key Laboratory of Analytical Science for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Heming Li
- Ministry of Education Key Laboratory of Analytical Science for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Jiajing Chen
- Ministry of Education Key Laboratory of Analytical Science for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Zian Lin
- Ministry of Education Key Laboratory of Analytical Science for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China.
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29
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Gouma V, Pournara AD, Manos MJ, Giokas DL. Fabric phase sorpitive extraction and passive sampling of ultraviolet filters from natural waters using a zirconium metal organic framework-cotton composite. J Chromatogr A 2022; 1670:462945. [DOI: 10.1016/j.chroma.2022.462945] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 03/04/2022] [Accepted: 03/07/2022] [Indexed: 11/27/2022]
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30
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Zhang X, Jin Y, Wang Y, Liang P, Zou M, Li S, Liu J, Qi X, Zhang X, Shang Z, Chen Y, Chen Q. Measurement of trace bisphenol A in drinking water with combination of immunochromatographic detection technology and SERS method. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 267:120519. [PMID: 34801391 DOI: 10.1016/j.saa.2021.120519] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Revised: 10/13/2021] [Accepted: 10/15/2021] [Indexed: 06/13/2023]
Abstract
Sensitive and selective detection of target analyte is very important in many fields such as commodity inspection and quality monitoring. In this work, based on the principle of competitive immunoassay, surface-enhanced Raman spectroscopy (SERS) was used to establish a rapid and highly sensitive method for the detection of trace amounts of bisphenol A in water. Here, Raman molecule 5,5-dithiobis-2-nitrobenzoic acid and anti-BPA antibody were conjugated with Au (core)@Ag (shell) nanoparticle to serve as SERS nanoprobe. After the SERS nanoprobe is combined with the substance to be tested, it uses the siphon effect to pass through the test line and the charging line on the test strip. And the Raman test was performed on the T line with a Raman spectrometer. The detection limitation was 0.1 pg/mL. Compared with the reported gas chromatography, liquid chromatography, fluorescence analysis, and other detection methods, SERS ICA does not demand complicated sample preparation procedures, and has the advantages of simple detection methods, quick results, High sensitivity, good specificity, and low technical demands for laboratory environment and testers. In addition, Raman spectrometers have gradually developed to be portable, making it easier to meet the needs of on-site rapid and highly sensitive detection, and will show broad prospects for applications in the fields of biomedical diagnosis and food safety monitoring.
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Affiliation(s)
- Xiubin Zhang
- College of Optical and Electronic Technology, China Jiliang University, 310018 Hangzhou, China
| | - Yong Jin
- Chinese Academy of Inspection and Quarantine (CAIQ), No. A 3, Gaobeidian Road, Chaoyang District, Beijing 100123, China
| | - Yufeng Wang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Pei Liang
- College of Optical and Electronic Technology, China Jiliang University, 310018 Hangzhou, China.
| | - Minqiang Zou
- Chinese Academy of Inspection and Quarantine (CAIQ), No. A 3, Gaobeidian Road, Chaoyang District, Beijing 100123, China.
| | - Suyang Li
- College of Optical and Electronic Technology, China Jiliang University, 310018 Hangzhou, China
| | - Jian Liu
- Chinese Academy of Inspection and Quarantine (CAIQ), No. A 3, Gaobeidian Road, Chaoyang District, Beijing 100123, China
| | - Xiaohua Qi
- Chinese Academy of Inspection and Quarantine (CAIQ), No. A 3, Gaobeidian Road, Chaoyang District, Beijing 100123, China
| | - Xiaohua Zhang
- China Inspection Laboratory Technologies Co. Ltd (CILT), Beijing 100123, China
| | - Ziyang Shang
- College of Optical and Electronic Technology, China Jiliang University, 310018 Hangzhou, China
| | - Yan Chen
- Chinese Academy of Inspection and Quarantine (CAIQ), No. A 3, Gaobeidian Road, Chaoyang District, Beijing 100123, China
| | - Qiang Chen
- College of Metrology and Measurement Engineering, China Jiliang University, 310018 Hangzhou, China
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31
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Development of freshness indicator for monitoring chicken breast quality and freshness during storage. Food Sci Biotechnol 2022; 31:377-385. [PMID: 35273828 PMCID: PMC8885947 DOI: 10.1007/s10068-022-01034-x] [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: 12/12/2021] [Revised: 01/07/2022] [Accepted: 01/12/2022] [Indexed: 11/04/2022] Open
Abstract
An indicator for freshness and quality measurement was utilized to perceive changes in freshness quality while storing chicken breasts. Visible color changes of the indicator shows spoilage and freshness of the packaged products. In addition, changes in pH, volatile basic nitrogen (VBN), and Pseudomonas spp. were monitored. The color change sensor (ΔE) reflected the headspace pH during the chicken breasts' packaging process. After storing chicken breast at 20 °C for 24 h, the color change (ΔE) of the indicator for freshness and quality measurement changed. The color change (ΔE) values were correlated with quality characteristics such as sensory, microbiological, and chemical properties that were popularly used to settle the freshness of chicken breast. In conclusion, the results showed that the indicator for freshness and quality measurement was useful in settling the shelf life of chicken breast products by physicochemical changes and monitoring microbial safety. Supplementary Information The online version contains supplementary material available at 10.1007/s10068-022-01034-x.
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Manea A, Tabassum S, Fernandez Winzer L, Leishman MR. Susceptibility to the fungal plant pathogen Austropuccinia psidii is related to monoterpene production in Australian Myrtaceae species. Biol Invasions 2022. [DOI: 10.1007/s10530-021-02721-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
AbstractIn 2010, the fungal plant pathogen that causes Myrtle rust, Austropuccinia psidii, which is native to South America, was first detected in Australia and has since had significant impacts on several Australian Myrtaceae species. Despite this, our understanding of the role secondary metabolites play in plant susceptibility to A. psidii is limited. This study aimed to determine: (1) whether secondary metabolite (phenolics, terpenes) production is induced after A. psidii inoculation and if so, (2) how their production relates to A. psidii susceptibility. To test these aims, we selected seven Myrtaceae species that have a wide range of within-species variability in their susceptibility to A. psidii. We found that five of the study species significantly increased either their phenolic or sesquiterpene production post-inoculation suggesting their pre-inoculation secondary metabolite levels were not sufficient to combat A. psidii infection. The two species (Angophora costata and Corymbia citriodora) that did not increase their secondary metabolite production post-inoculation tended to have the greatest pre-inoculation production levels amongst the species. Interestingly, across all species, monoterpenes were the only secondary metabolite found to reduce plant susceptibility to A. psidii. This study contributes to our limited understanding of the role that secondary metabolites play in plant susceptibility to A. psidii. In light of these findings, future research should aim to identify biomarkers (e.g. individual chemical compounds) that confer resistance to A. psidii, so that individuals with these biomarkers can be utilised in commercial and conservation projects.
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Mohamed HM. Solventless Microextration Techniques for Pharmaceutical Analysis: The Greener Solution. Front Chem 2022; 9:785830. [PMID: 35096766 PMCID: PMC8792605 DOI: 10.3389/fchem.2021.785830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 12/13/2021] [Indexed: 11/13/2022] Open
Abstract
Extensive efforts have been made in the last decades to simplify the holistic sample preparation process. The idea of maximizing the extraction efficiency along with the reduction of extraction time, minimization/elimination of hazardous solvents, and miniaturization of the extraction device, eliminating sample pre- and posttreatment steps and reducing the sample volume requirement is always the goal for an analyst as it ensures the method’s congruency with the green analytical chemistry (GAC) principles and steps toward sustainability. In this context, the microextraction techniques such as solid-phase microextraction (SPME), stir bar sorptive extraction (SBSE), microextraction by packed sorbent (MEPS), fabric phase sorptive extraction (FPSE), in-tube extraction dynamic headspace (ITEX-DHS), and PAL SPME Arrow are being very active areas of research. To help transition into wider applications, the new solventless microextraction techniques have to be commercialized, automated, and validated, and their operating principles to be anchored to theory. In this work, the benefits and drawbacks of the advanced microextraction techniques will be discussed and compared, together with their applicability to the analysis of pharmaceuticals in different matrices.
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Kaluza D, Węgrzyn K, Kaczmarczyk B, Gniadek M, Maksymiuk K, Michalska A. An Electrochemical Approach to Quantification of Volatile Organic Solvents Dispersed in Solution – Towards Bipolar Electrode Sensors. ELECTROANAL 2022. [DOI: 10.1002/elan.202100292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Dawid Kaluza
- Faculty of Chemistry University of Warsaw Pasteura 1 02-093 Warsaw Poland
| | - Katarzyna Węgrzyn
- Faculty of Chemistry University of Warsaw Pasteura 1 02-093 Warsaw Poland
| | - Brian Kaczmarczyk
- Faculty of Chemistry University of Warsaw Pasteura 1 02-093 Warsaw Poland
| | - Marianna Gniadek
- Faculty of Chemistry University of Warsaw Pasteura 1 02-093 Warsaw Poland
| | | | - Agata Michalska
- Faculty of Chemistry University of Warsaw Pasteura 1 02-093 Warsaw Poland
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Jiang Q, Feng J, Sun M. Carbon fibers modified with carbon nanoparticles by a facile and fast flame preparation for in-tube solid-phase microextraction. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2021.103537] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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Asadi S, Maddah B. Rapid screening of chemical warfare agents (nerve agents) using dimethyl methylphosphonate as simulant substances in beverages by hollow fiber membrane-protected solid phase microextraction followed by corona discharge ion mobility spectrometry. J Chromatogr A 2021; 1661:462704. [PMID: 34871940 DOI: 10.1016/j.chroma.2021.462704] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 11/18/2021] [Accepted: 11/22/2021] [Indexed: 01/01/2023]
Abstract
The following work presents a new, rapid, potential to be portable, convenient, and low-cost method using hollow fiber membrane-protected solid phase microextraction followed by corona discharge ion mobility spectrometry which was used for determining dimethyl methylphosphonate in beverages. Response surface methodology based on the design of Box-Behnken was implemented for optimizing the different factors influencing the proposed method for obtaining the best results. Optimal extractions were calculated with 65 µm polydimethylsiloxane-divinylbenzene fiber, fiber equilibration time of 10 min, stirring rate of the sample solution at 750 rpm, and extraction temperature of 50 °C. The proposed technique provided linear range (0.5-50 µg mL-1), good linearity (>0.991), and repeatability (the relative standard deviations of 5.42% and 8.37% of intra- and inter-day analyses, respectively) under the optimized extraction conditions. Finally, the developed method was successfully used for determining dimethyl methylphosphonate in beverages such as coffee mix, fruit juice, tap water, milk, and tea.
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Affiliation(s)
- Sajad Asadi
- Department of Chemistry, Faculty of Sciences, Imam Hossein University, Tehran, Iran
| | - Bozorgmehr Maddah
- Department of Chemistry, Faculty of Sciences, Imam Hossein University, Tehran, Iran.
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Wu KJ, Wu C, Fang M, Ding B, Liu PP, Zhou MX, Gong ZY, Ma DL, Leung CH. Application of metal–organic framework for the adsorption and detection of food contamination. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116384] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Delińska K, Rakowska PW, Kloskowski A. Porous material-based sorbent coatings in solid-phase microextraction technique: Recent trends and future perspectives. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116386] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Mishra SS, Manzoor K, Zafar M, Podmore ID. A novel approach to the analysis of spin-trapped free radicals using dimethyl sulfoxide and gas chromatography - mass spectrometry (GC-MS) with both solvent extraction and headspace solid phase microextraction (HS-SPME). Free Radic Res 2021; 55:569-578. [PMID: 34533413 DOI: 10.1080/10715762.2021.1980563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
In this study, we have utilized a novel strategy based upon the use of dimethyl sulfoxide (DMSO) and gas chromatography-mass spectrometry (GC-MS) for the detection and identification of spin-trapped free radicals. Hydroxymethyl (.CH2OH) radicals, generated by Fenton-type chemistry, have been trapped by N-tert-butyl-α-phenylnitrone (PBN) or one of its derivatives in the presence of DMSO to form a 1,3-diadduct [PBN-(CH2OH)(CH3)], which may be detected directly in the reaction mixture following chloroform extraction or in the reaction vial headspace by sampling with SPME. Separation and identification have been carried out by capillary gas chromatography coupled to electron-ionization mass spectrometry (EI-MS). The results demonstrate that using DMSO aids GC-MS analysis of spin-trapped free radicals via the formation of radical-methyl di-adducts that are sufficiently volatile to be sampled both in the headspace or by an extracting solvent without the need for a derivatization step using silylating agents.
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Affiliation(s)
- Sanatkumar S Mishra
- Biomedical Sciences Research Institute, School of Environmental and Life Sciences, University of Salford, Salford, UK
| | - Kamran Manzoor
- Biomedical Sciences Research Institute, School of Environmental and Life Sciences, University of Salford, Salford, UK
| | - Mudaser Zafar
- Biomedical Sciences Research Institute, School of Environmental and Life Sciences, University of Salford, Salford, UK
| | - Ian D Podmore
- Biomedical Sciences Research Institute, School of Environmental and Life Sciences, University of Salford, Salford, UK
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Capitain C, Weller P. Non-Targeted Screening Approaches for Profiling of Volatile Organic Compounds Based on Gas Chromatography-Ion Mobility Spectroscopy (GC-IMS) and Machine Learning. Molecules 2021; 26:molecules26185457. [PMID: 34576928 PMCID: PMC8468721 DOI: 10.3390/molecules26185457] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Revised: 08/30/2021] [Accepted: 09/01/2021] [Indexed: 12/20/2022] Open
Abstract
Due to its high sensitivity and resolving power, gas chromatography-ion mobility spectrometry (GC-IMS) is a powerful technique for the separation and sensitive detection of volatile organic compounds. It is a robust and easy-to-handle technique, which has recently gained attention for non-targeted screening (NTS) approaches. In this article, the general working principles of GC-IMS are presented. Next, the workflow for NTS using GC-IMS is described, including data acquisition, data processing and model building, model interpretation and complementary data analysis. A detailed overview of recent studies for NTS using GC-IMS is included, including several examples which have demonstrated GC-IMS to be an effective technique for various classification and quantification tasks. Lastly, a comparison of targeted and non-targeted strategies using GC-IMS are provided, highlighting the potential of GC-IMS in combination with NTS.
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Moinfar S, Khodayari A, Abdulrahman SS, Aghaei A, Sohrabnezhad S, Jamil LA. Development of a SPE/GC-MS method for the determination of organophosphorus pesticides in food samples using syringe filters packed by GNP/MIL-101(Cr) nanocomposite. Food Chem 2021; 371:130997. [PMID: 34537611 DOI: 10.1016/j.foodchem.2021.130997] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 08/06/2021] [Accepted: 08/29/2021] [Indexed: 02/06/2023]
Abstract
In this study, we report the synthesis and application of a nanocomposite comprising metal-organic framework MIL-101(Cr) and graphene nanopowder (GNP) as a promising sorbent for the extraction of organophosphorus pesticides (OPPs) in juices, water, vegetables and honey samples. A syringe filter, for the first time, was used to host the synthesized nanocomposite and extract the OPPs followed by GC-MS analysis. Different characterization methods including XRD, FTIR, TGA, BET and SEM were employed to confirm the formation of studied nanocomposite. The results indicated that the GNP/MIL-101(Cr) could provide higher capacity for adsorption of OPPs and lower detection limit compared to pristine MIL-101(Cr). The detection limits were 0.005 to 15.0 µg/Kg and the linear range found between 0.05 and 400 µg/Kg. The proposed method showed very good repeatability with the RSD values ranging from 2.9% to 7.1%. The recoveries were between 84% -110% with the spiked levels of 2.0-100.0 µg/Kg.
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Affiliation(s)
| | - Ali Khodayari
- Department of Chemistry, Faculty of Science, University of Guilan, P.O. Box 1914, Rasht, Iran; Department of Chemistry, Faculty of Science, University of Mohaghegh Ardabili, 56199-11367 Ardabil, Iran
| | | | - Ali Aghaei
- Department of Chemistry, Faculty of Science, University of Zakho, Zakho, Iraq
| | - Shabnam Sohrabnezhad
- Department of Chemistry, Faculty of Science, University of Guilan, P.O. Box 1914, Rasht, Iran
| | - Lazgin Abdi Jamil
- Department of Chemistry, Faculty of Science, University of Zakho, Zakho, Iraq
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Ma M, Wei Y, Wei H, Liu X, Liu H. High-efficiency solid-phase microextraction performance of polypyrrole enhanced titania nanoparticles for sensitive determination of polar chlorophenols and triclosan in environmental water samples. RSC Adv 2021; 11:28632-28642. [PMID: 35478593 PMCID: PMC9038157 DOI: 10.1039/d1ra04405b] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 08/01/2021] [Indexed: 12/17/2022] Open
Abstract
In this work, a polypyrrole (PPy)/TiO2 nanocomposite coating was fabricated by the direct electropolymerization of pyrrole on annealed TiO2 nanoparticles and evaluated as a novel direct immersion solid phase microextraction (DI-SPME) fiber coating for extraction of trace amounts of pollutants in environmental water samples. The functionalized fiber is mechanically and chemically stable, and can be easily prepared in a highly reproducible manner. The effects of the pyrrole monomer concentration, polymerization voltage and polymerization time on the fiber were discussed. Surface morphological and compositional analyses revealed that the composite coating of nano polypyrrole and titanium dioxide nanoparticles (TiO2NPs) uniformly doped the Ti substrate. The as-fabricated fiber exhibited good extraction capability for phenolic compounds in combination with high performance liquid chromatography-UV detection (HPLC-UV). At the optimum SPME conditions, the calibration curves were linear (R2 ≥ 0.9965). LODs and LOQs of less than 0.026 μg L−1 and 0.09 μg L−1 , respectively, were achieved, and RSDs were in the range 3.5–7.2%. The results obtained in this work suggest that PPy/TiO2 is a promising coating material for future applications of SPME and related sample preparation techniques. A PPy/TiO2 nanocomposite coating was fabricated by direct electropolymerization of pyrrole on annealed TiO2 nanoparticles and evaluated as a novel direct immersion solid phase microextraction fiber coating for the extraction of trace pollutants in water.![]()
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Affiliation(s)
- Mingguang Ma
- College of Chemistry and Chemical Engineering, Lanzhou City University Lanzhou 730070 China
| | - Yunxia Wei
- College of Chemistry and Chemical Engineering, Lanzhou City University Lanzhou 730070 China
| | - Huijuan Wei
- College of Chemistry and Chemical Engineering, Lanzhou City University Lanzhou 730070 China
| | - Xianyu Liu
- College of Chemistry and Chemical Engineering, Lanzhou City University Lanzhou 730070 China
| | - Haixia Liu
- College of Chemistry and Chemical Engineering, Lanzhou City University Lanzhou 730070 China
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43
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Ahmad S, Baker D, Murnane D, Spooner N, Gerhard U. Solid-phase microextraction for assessment of plasma protein binding, a complement to rapid equilibrium dialysis. Bioanalysis 2021; 13:1101-1111. [PMID: 34275331 DOI: 10.4155/bio-2021-0109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Aim: Determination of plasma protein binding (PPB) is considered vital for better understanding of pharmacokinetic and pharmacodynamic activities of drugs due to the role of free concentration in pharmacological response. Methodology & results: Solid-phase microextraction (SPME) was investigated for measurement of PPB from biological matrices and compared with a gold standard approach (rapid equilibrium dialysis [RED]). Discussion & conclusion: SPME-derived values of PPB correlated well with literature values, and those determined by RED. Respectively, average protein binding across three concentrations by RED and SPME was 33.1 and 31.7% for metoprolol, 89.0 and 86.6% for propranolol and 99.2 and 99.0% for diclofenac. This study generates some evidence for SPME as an alternative platform for the determination of PPB.
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Affiliation(s)
- Sheelan Ahmad
- Research & Development, GlaxoSmithKline, Stevenage, UK
- Department of Clinical, School of Life & Medical Sciences, Pharmaceutical & Biological Sciences, University of Hertfordshire, Hatfield, UK
| | - Daniel Baker
- Department of Clinical, School of Life & Medical Sciences, Pharmaceutical & Biological Sciences, University of Hertfordshire, Hatfield, UK
| | - Darragh Murnane
- Department of Clinical, School of Life & Medical Sciences, Pharmaceutical & Biological Sciences, University of Hertfordshire, Hatfield, UK
| | - Neil Spooner
- Department of Clinical, School of Life & Medical Sciences, Pharmaceutical & Biological Sciences, University of Hertfordshire, Hatfield, UK
- Spooner Bioanalytical Solutions Ltd., Hertford, UK
| | - Ute Gerhard
- Department of Clinical, School of Life & Medical Sciences, Pharmaceutical & Biological Sciences, University of Hertfordshire, Hatfield, UK
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44
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Qian YL, Zhang D, An Y, Zhou Q, Qian MC. Characterization of Aroma-Active Compounds in Northern Highbush Blueberries "Bluecrop" ( Vaccinium corymbosum "Bluecrop") and "Elliott" ( Vaccinium corymbosum "Elliott") by Gas Chromatography-Olfactometry Dilution Analysis and Odor Activity Value. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:5691-5701. [PMID: 33973767 DOI: 10.1021/acs.jafc.1c01044] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Aroma-active compounds in northern highbush blueberries "Bluecrop" (Vaccinium corymbosum "Bluecrop") and "Elliott" (Vaccinium corymbosum "Elliott") were isolated using solvent extraction followed by solvent-assisted flavor evaporation. The aroma-active compounds were compared by aroma extract dilution analysis (AEDA) on a polar and a chiral column and odor activity values (OAVs). The results showed that both cultivars had similar aroma-active compounds, but the flavor dilution (FD) factors and OAV values varied, responsible for the subtle aroma differences. AEDA (FD ≥ 64) suggested that the important aroma-active compounds in both cultivars could be ethyl 2-methylbutanoate, ethyl 3-methylbutanoate, (Z)-3-hexenal, 1-octen-3-one, (Z)-3-hexen-1-ol, methional, linalool, (E,Z)-2,6-nonadienal, 2-methylbutanoic acid, α-terpineol, (E,E)-2,4-nonadienal, β-damascenone, geraniol, geranyl acetone, o-cresol, eugenol, and vanillin. Different isomers can have different sensory thresholds and attributes. Enantiomer analysis revealed that although S-(+)-linalool was dominant in blueberry, R-(-)-linalool had a higher FD value and OAVs than that of the (S)-isomer. The S-(-)-α-terpineol was slightly elevated than R-(+)-α-terpineol in both cultivars.
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Affiliation(s)
- Yanping L Qian
- Department of Food Science and Technology, Oregon State University, Corvallis, Oregon 97331, United States
| | - Danni Zhang
- Department of Food Science and Technology, Oregon State University, Corvallis, Oregon 97331, United States
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Yueqi An
- Department of Food Science and Technology, Oregon State University, Corvallis, Oregon 97331, United States
| | - Qin Zhou
- Department of Food Science and Technology, Oregon State University, Corvallis, Oregon 97331, United States
| | - Michael C Qian
- Department of Food Science and Technology, Oregon State University, Corvallis, Oregon 97331, United States
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45
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Nahar L, Uddin SJ, Alam MA, Sarker SD. Extraction of naturally occurring cannabinoids: an update. PHYTOCHEMICAL ANALYSIS : PCA 2021; 32:228-241. [PMID: 32893413 DOI: 10.1002/pca.2987] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 08/13/2020] [Accepted: 08/13/2020] [Indexed: 06/11/2023]
Abstract
INTRODUCTION Organic molecules that interact with the cannabinoid receptors are called cannabinoids, which can be endogenous, natural or synthetic compounds. They possess similar pharmacological properties as produced by the plant, Cannabis sativa L. Before cannabinoids can be analysed, they need to be extracted from the matrices. OBJECTIVE To review literature on the methods and protocols for the extraction of naturally occurring cannabinoids. METHODOLOGY An extensive literature search was performed incorporating several databases, notably, Web of Knowledge, PubMed and Google Scholar, and other relevant published materials. The keywords used in the search, in various combinations, with cannabinoids and extraction being present in all combinations, were Cannabis, hemp, cannabinoids, Cannabis sativa, marijuana, and extraction. RESULTS In addition to classical maceration with organic solvents, e.g. ethanol, pressurised solvent extraction, solvent heat reflux, Soxhlet extraction, supercritical fluid extraction, ultrasound-assisted extraction and microwave-assisted extraction, are routinely used nowadays for the extraction of cannabinoids from plant materials and cannabis consumer products. For the extraction of cannabinoids from biological samples, e.g. human blood, and also from food and beverages, and wastewater, solid-phase extraction and its variants, as well as liquid-liquid extraction are commonly used. Parameters for extraction can be optimised by response surface methodology or other mathematical modelling tools. There are at least six US patents on extraction of cannabinoids available to date. CONCLUSIONS Irrespective of the extraction method, extraction temperature, extraction time and extraction pressure play a vital role in overall yield of extraction. Solvent polarity can also be an important factor in some extraction methods.
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Affiliation(s)
- Lutfun Nahar
- Laboratory of Growth Regulators, Institute of Experimental Botany ASCR & Palacký University, Olomouc, Czech Republic
| | - Shaikh Jamal Uddin
- Pharmacy Discipline, Life Science School, Khulna University, Khulna, Bangladesh
| | - Md Ashraful Alam
- Department of Pharmaceutical Sciences, North South University, Dhaka, Bangladesh
| | - Satyajit D Sarker
- Centre for Natural Products Discovery, School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, UK
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46
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Zhao J, Lu Z, Wang S, Wei Z, Zhou J, Ren S, Lou X. Nanoscale Affinity Double Layer Overcomes the Poor Antimatrix Interference Capability of Aptamers. Anal Chem 2021; 93:4317-4325. [PMID: 33620193 DOI: 10.1021/acs.analchem.0c05320] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Poor antimatrix interference capability of aptamers is one of the major obstacles preventing their wide applications for real-sample detections. Here, we devise a multiple-function interface, denoted as a nanoscale affinity double layer (NADL), to overcome this bottleneck via in situ simultaneous target enrichment, purification, and detection. The NADL consists of an upper aptamer layer for target purification and sensing and a lower nanoscale solid-phase microextraction (SPME) layer for sample enrichment. The targets flowing through the NADL-functionalized surface are instantly million-fold enriched and purified by the sequential extraction of aptamer and SPME. The formation of the aptamer-target complex is greatly enhanced, enabling ultrasensitive detection of targets with minimized interference from the matrix. Taking the fiber-optic evanescent wave sensor as an example, we demonstrated the feasibility and generality of the NADL. The unprecedented detection of limits of 800, 4.8, 40, and 0.14 fM were, respectively, achieved for three representative small-molecule targets with distinct hydrophobicity (kanamycin A, sulfadimethoxine, and di-(2-ethylhexyl) phthalate) and protein target (human serum albumin), corresponding to 2500 to 3 × 108-fold improvement compared to the sensors without the NADL. Our sensors also showed exceptionally high target specificity (>1000) and tunable dynamic ranges simply by manipulating the SPME layer. With these features comes the ability to directly detect targets in diluted environmental, food, and biological samples at concentrations all well below the tolerance limits.
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Affiliation(s)
- Jiaxing Zhao
- Department of Chemistry, Capital Normal University, Xisanhuan North Road 105, Beijing 100048, China
| | - Zhangwei Lu
- Department of Chemistry, Capital Normal University, Xisanhuan North Road 105, Beijing 100048, China
| | - Shuo Wang
- Department of Chemistry, Capital Normal University, Xisanhuan North Road 105, Beijing 100048, China
| | - Zhenzhe Wei
- Department of Chemistry, Capital Normal University, Xisanhuan North Road 105, Beijing 100048, China
| | - Jianshuo Zhou
- Department of Chemistry, Capital Normal University, Xisanhuan North Road 105, Beijing 100048, China
| | - Shang Ren
- Department of Chemistry, Capital Normal University, Xisanhuan North Road 105, Beijing 100048, China
| | - Xinhui Lou
- Department of Chemistry, Capital Normal University, Xisanhuan North Road 105, Beijing 100048, China
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Li Q, Zhang W, Guo Y, Chen H, Ding Q, Zhang L. Oxygenated carbon nanotubes cages coated solid-phase microextraction fiber for selective extraction of migrated aromatic amines from food contact materials. J Chromatogr A 2021; 1646:462031. [PMID: 33857834 DOI: 10.1016/j.chroma.2021.462031] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 02/22/2021] [Accepted: 02/25/2021] [Indexed: 10/22/2022]
Abstract
In this study, an oxygenated carbon nanotubes cages (OCNTCs) material was prepared by calcinating zeolitic imidazole framework-67 (ZIF-67) and then oxidizing the resulting material. The OCNTCs was used as a high efficient solid-phase microextraction (SPME) coating to extract aromatic amines (AAs). The obtained fiber exhibited high selectivity for AAs over other organic compounds in food contact materials (FCMs) due to matched pore size and abundant oxygen-containing groups. Subsequently, coupled with gas chromatography-tandem mass spectrometry (GC-MS/MS), a sensitive method with low limits of detection (0.1-2.0 ng L-1), wide linear ranges (0.5-500 ng L -1) and good precision (RSDs ≤ 8.6%) was developed for analysis of AAs. The specific migrated AAs from food simulants that prepared by standardized migration and thermal migration test were successfully analysed by this developed method with satisfactory recoveries (81.6% - 118.1%) and precision (RSDs, 2.1-9.5%). The results demonstrated that the prepared OCNTCs-coated fibers displayed excellent extraction performance, suggesting a promising application to investigate the migration behaviors of AAs.
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Affiliation(s)
- Qingqing Li
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Province Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Wenmin Zhang
- Division of Chemical and Biological Engineering, Minjiang Teachers College, Fuzhou, Fujian, 350108, China
| | - Yuheng Guo
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Province Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Hui Chen
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Province Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Qingqing Ding
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Province Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Lan Zhang
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Province Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China.
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48
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Yu J, Di S, Yu H, Ning T, Yang H, Zhu S. Insights into the structure-performance relationships of extraction materials in sample preparation for chromatography. J Chromatogr A 2020; 1637:461822. [PMID: 33360779 DOI: 10.1016/j.chroma.2020.461822] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 12/13/2020] [Accepted: 12/14/2020] [Indexed: 01/23/2023]
Abstract
Sample preparation is one of the most crucial steps in analytical processes. Commonly used methods, including solid-phase extraction, dispersive solid-phase extraction, dispersive magnetic solid-phase extraction, and solid-phase microextraction, greatly depend on the extraction materials. In recent decades, a vast number of materials have been studied and used in sample preparation for chromatography. Due to the unique structural properties, extraction materials significantly improve the performance of extraction devices. Endowing extraction materials with suitable structural properties can shorten the pretreatment process and improve the extraction efficiency and selectivity. To understand the structure-performance relationships of extraction materials, this review systematically summarizes the structural properties, including the pore size, pore shape, pore volume, accessibility of active sites, specific surface area, functional groups and physicochemical properties. The mechanisms by which the structural properties influence the extraction performance are also elucidated in detail. Finally, three principles for the design and synthesis of extraction materials are summarized. This review can provide systematic guidelines for synthesizing extraction materials and preparing extraction devices.
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Affiliation(s)
- Jing Yu
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan 430074, P. R. China
| | - Siyuan Di
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan 430074, P. R. China
| | - Hao Yu
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan 430074, P. R. China
| | - Tao Ning
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan 430074, P. R. China
| | - Hucheng Yang
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan 430074, P. R. China
| | - Shukui Zhu
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan 430074, P. R. China.
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49
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Application of microextraction techniques in alternative biological matrices with focus on forensic toxicology: a review. Bioanalysis 2020; 13:45-64. [PMID: 33326299 DOI: 10.4155/bio-2020-0241] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The interest in alternative biological matrices (e.g., hair and saliva) for forensic toxicology analysis has increased, and recent developments in sample preparation have targeted rapid, cheap, efficient and eco-friendly methods, including microextraction techniques. For this review, we have gathered information about these two hot topics. We discuss the composition, incorporation of analytes and advantages and disadvantages of different biological matrices, and also present the operation principles of the most reported microextraction procedures and their application in forensic toxicology. The outcome of this review may encourage future forensic researches into alternative samples and microextraction techniques.
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Moinfar S, Khodayari A, Sohrabnezhad S, Aghaei A, Jamil LA. MIL-53(Al)/Fe2O3 nanocomposite for solid-phase microextraction of organophosphorus pesticides followed by GC-MS analysis. Mikrochim Acta 2020; 187:647. [DOI: 10.1007/s00604-020-04621-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 10/21/2020] [Indexed: 12/24/2022]
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