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Aguiar MS, Coelho AFSMR, Almeida PJ, Santos JR. Fan Assisted Extraction of Volatile Carbonyl Compounds from Coffee Brews Based on the Full Evaporation Technique. Foods 2023; 12:3389. [PMID: 37761098 PMCID: PMC10528458 DOI: 10.3390/foods12183389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/22/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
In this work, the fan assisted extraction approach is originally exploited to determine volatile compounds in liquid samples based on the full evaporation technique. The feasibility of this strategy was firstly evaluated using model solutions containing different volatile carbonyl compounds. Different media, volumes of sample, temperatures of extraction, and times of extraction were tested. Linear regressions presenting r > 0.999, intermediate precision values < 6%, and recoveries within 76-95% were attained using a period of extraction of 10 min, a volume of sample solution of 5 µL, and a temperature of extraction of 50 °C. Analyses of brewed coffees were performed. The slopes of the calibration curves obtained using aqueous model solutions and brewed coffee samples were not significantly different. These results revealed no matrix effect under the selected experimental conditions, enabling the use of the external calibration method for quantification purposes. Twenty-four volatile carbonyl compounds were identified in brewed coffee, which elucidates the sensitivity of this approach.
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Affiliation(s)
| | | | | | - João Rodrigo Santos
- REQUIMTE/LAQV—Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, 4169-007 Porto, Portugal; (M.S.A.); (A.F.S.M.R.C.); (P.J.A.)
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Liew CSM, Lee HK. Online water sampling-quickMix-assisted miniscale liquid-liquid extraction coupled with full evaporation dynamic headspace concentration of polybrominated diphenyl ethers. J Chromatogr A 2022; 1673:463123. [DOI: 10.1016/j.chroma.2022.463123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 05/01/2022] [Accepted: 05/04/2022] [Indexed: 10/18/2022]
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Wang L, Zou Y, Sun H, Jon CS, Nardiello D, Quinto M, Shang HB, Li D. Ex-situ and in-situ rapid and quantitative determination of benzene derivatives in seawater using nanoconfined liquid phase nanoextraction. Talanta 2021; 235:122781. [PMID: 34517639 DOI: 10.1016/j.talanta.2021.122781] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 07/29/2021] [Accepted: 08/02/2021] [Indexed: 11/18/2022]
Abstract
Benzene derivatives (BDs) constitute a class of environmental pollutants whose exposure poses a grave risk to human health. These compounds rapidly diffuse from the atmosphere to the marine ecosystem: for this reason, their monitoring in seawater is every day more compelling. In this work, nanoconfined liquid phase nanoextraction (NLPNE), a versatile extraction technique recently described, has been for the first time applied to the gas chromatographic mass spectrometry (GC/MS) analysis of BDs in seawater. Ex-situ and in-situ NLPNE procedures have been developed and optimized in terms of extraction capabilities, analysis time, precision, and accuracy. Compared to the traditional extraction procedures, based on solid-phase microextraction (SPME) and liquid-liquid extraction (LLE), the proposed NLPNE methods allowed a rapid on-site analysis of benzene compounds with low solvent consumption, higher enrichment factors, and improved automation grade. Determination coefficients ranging from 0.9929 to 0.9997 were obtained for all BDs in the range 0.10-500 ng mL-1 and 5.00-500 ng mL-1, for ex-situ and in-situ NLPNE, respectively. Ex-situ and in-situ limits of detection ranged from 0.2 to 7.6 ng mL-1 and 0.04-1.00 ng mL-1. Our results suggest that NLPNE coupled to GC-MS can be considered a powerful technique for high-throughput analyses of trace compounds in environmental, food and biological samples.
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Affiliation(s)
- Liyuan Wang
- Department of Chemistry, Yanbian University, Park Road 977, Yanji, 133002, Jilin Province, PR China
| | - Yilin Zou
- Department of Chemistry, Yanbian University, Park Road 977, Yanji, 133002, Jilin Province, PR China
| | - Huaze Sun
- Department of Chemistry, Yanbian University, Park Road 977, Yanji, 133002, Jilin Province, PR China
| | - Chol-San Jon
- Department of Chemistry, Yanbian University, Park Road 977, Yanji, 133002, Jilin Province, PR China
| | - Donatella Nardiello
- DAFNE - Department of Agriculture, Food, Natural Resources and Engineering, University of Foggia, Via Napoli 25, I-71122, Foggia, Italy
| | - Maurizio Quinto
- Department of Chemistry, Yanbian University, Park Road 977, Yanji, 133002, Jilin Province, PR China; DAFNE - Department of Agriculture, Food, Natural Resources and Engineering, University of Foggia, Via Napoli 25, I-71122, Foggia, Italy
| | - Hai-Bo Shang
- Department of Chemistry, Yanbian University, Park Road 977, Yanji, 133002, Jilin Province, PR China.
| | - Donghao Li
- Department of Chemistry, Yanbian University, Park Road 977, Yanji, 133002, Jilin Province, PR China.
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Vyviurska O, Hanobiková M, Gomes AA, Špánik I. Multivariate optimization of dual-sorbent dynamic headspace extraction of volatiles in wine analysis. Food Chem 2021; 365:130449. [PMID: 34218105 DOI: 10.1016/j.foodchem.2021.130449] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 05/20/2021] [Accepted: 06/21/2021] [Indexed: 10/21/2022]
Abstract
The main critical point of newly developed miniaturized sample preparation techniques is a limited extraction capacity. Dynamic headspace extraction offers increased volume of sorbent which is commonly used in environmental analysis. Application of two sorbents (Carbopack B/Carbopack X and Tenax® TA) at different extraction temperatures allows enhancing a range of volatile organic compounds available for analysis. Such approach was applied in our research for quantification of volatile organic compounds in botrytized wines with gas chromatography. The central composite design was included to analysis simultaneous effects of incubation time, incubation temperature, purge volume and purge flow. In attempt to properly assess results, the data evaluation involved Pareto charts, surface response methodology and principal component analysis. Multivariate experimental design revealed statistical significance of purge volume and quadratic terms of incubation time and temperature, for response of volatiles. The quantification method with 0.2-2.0 µg/L LOD and 0.5-5.0 µg/L LOQ values, was developed under simultaneously optimized experimental conditions such as a 54 °C incubation temperature, a 20.18 min incubation time, a 344.3 mL purge volume and a 16.0 mL/min purge flow. The increased levels of linalool oxide, ethyl phenylacetate, γ-hexalactone and α-terpineol were observed in the samples, that correlated with botrytized wine technology.
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Affiliation(s)
- Olga Vyviurska
- Slovak University of Technology in Bratislava, Faculty of Chemical and Food Technology, Institute of Analytical Chemistry, 81237 Bratislava, Slovak Republic.
| | - Mária Hanobiková
- Slovak University of Technology in Bratislava, Faculty of Chemical and Food Technology, Institute of Analytical Chemistry, 81237 Bratislava, Slovak Republic
| | - Adriano A Gomes
- Slovak University of Technology in Bratislava, Faculty of Chemical and Food Technology, Institute of Analytical Chemistry, 81237 Bratislava, Slovak Republic; Institute of Chemistry, Federal University of Rio Grande do Sul, Bento Gonçalves Avenue, 9500, 91501-970 Porto Alegre, RS, Brazil
| | - Ivan Špánik
- Slovak University of Technology in Bratislava, Faculty of Chemical and Food Technology, Institute of Analytical Chemistry, 81237 Bratislava, Slovak Republic.
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Liew CSM, Lee HK. Comparison of automated mixer-assisted mini-scale liquid-liquid extraction coupled with full evaporation dynamic headspace extraction with United States Environmental Protection Agency methods for the gas chromatography-mass spectrometric analysis of chlorinated benzenes. J Chromatogr A 2021; 1647:462131. [PMID: 33971520 DOI: 10.1016/j.chroma.2021.462131] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/24/2021] [Accepted: 03/25/2021] [Indexed: 11/30/2022]
Abstract
Three modes of facilitating mini-scale-liquid-liquid-extraction (msLLE) prior to automated integration with full evaporation dynamic headspace (FEDHS) extraction were evaluated in this work. For msLLE, 1.2 mL of dichloromethane (DCM) was added to a conical-bottomed vial containing 7 mL of aqueous sample. The solution was then subjected to three different mixing modes, namely vortex-assistance (where a "whirlpool" was created in the solution), agitation-assistance (where the vial was rotated in circular motion) and quickMix-assistance (where the vial was shaken at a high speed). Vortex-assistance was performed manually while the other two modes were automated using a commercial autosampler. Following this, the DCM extract was transferred automatically to another vial and was then vaporized and sent through a Tenax TA sorbent tube in the FEDHS step. Due to the stronger π interaction between the sorbent and the analytes of interest, the analytes were selectively concentrated while the DCM vapor passed through unhampered. After FEDHS, the analytes were thoroughly desorbed into a gas chromatography-mass spectrometric system for analysis. The applicability of this procedure was validated in the extraction of six chlorinated benzenes (CBs) (1,2-dichlorobenzene, 1,3-dichlorobenzene, 1,4-dichlorobenzene, 1,2,4-trichlorobenzene, 1,2,4,5-tetrachlorobenzne and hexachlorobenzene) from aqueous samples. The quickMix-assisted msLLE-FEDHS approach achieved good absolute extraction recoveries (between 74.2% and 88.7%), low limits of detection (between 0.0006 and 0.0116 µg/L), good linearity (r2≥0.9920), good repeatability (between 1.9% and 8.4%, and good reproducibility (between 9.0% and 13.6%). It was found to be superior to the methods published by the United States Environmental Protection Agency. Five consecutive fully automated quickMix-assisted-msLLE-FEDHS-GC-MS runs spanned only ca. 4 hr.
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Affiliation(s)
- Christina Shu Min Liew
- Integrative Sciences and Engineering Programme, NUS Graduate School, National University of Singapore, University Hall, Tan Chin Tuan Wing #04-02, 21 Lower Kent Ridge Road, Singapore 119077, Singapore; Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Hian Kee Lee
- Integrative Sciences and Engineering Programme, NUS Graduate School, National University of Singapore, University Hall, Tan Chin Tuan Wing #04-02, 21 Lower Kent Ridge Road, Singapore 119077, Singapore; Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore; National University of Singapore Environmental Research Institute, T-Lab Building #02-01, 5A Engineering Drive 1, Singapore 117411, Singapore.
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Deng W, Huang A, Zheng Q, Yu L, Li X, Hu H, Xiao Y. A density-tunable liquid-phase microextraction system based on deep eutectic solvents for the determination of polycyclic aromatic hydrocarbons in tea, medicinal herbs and liquid foods. Food Chem 2021; 352:129331. [PMID: 33652198 DOI: 10.1016/j.foodchem.2021.129331] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 01/24/2021] [Accepted: 02/07/2021] [Indexed: 12/24/2022]
Abstract
A novel density-tunable liquid-phase microextraction (DT-LPME) system was developed with high-density deep eutectic solvents (DESs) as extractant and low-density organic solvents as emulsifier and density regulator. DES-rich phase was induced to form in the bottom or in the top by adjusting the emulsifier amount. This system was used to directly extract polycyclic aromatic hydrocarbons (PAHs) from liquid and solid foods, and the obtained DES-rich phase was easy to be collected for quantification. The method (LPME with HPLC-fluorescence detector) has linearity (R2 > 0.9974), detection limits of 0.6-4.2 ng L-1 for liquid foods and 0.05-0.35 ng g-1 for solid foods, recoveries of 86.2-114.9%, and intra-day/inter-day RSDs below 6.6%. The method was applied to detect PAHs in real samples, and the PAHs residue was found in honey and five solid foods. The DT-LPME method is simple, fast, green and suitable for direct extraction of analytes from both liquid and solid samples.
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Affiliation(s)
- Wenwen Deng
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), Wuhan University School of Pharmaceutical Sciences, Wuhan 430071, China; National 111 Center for Cellular Regulation and Molecular Pharmaceutics, School of Bioengineering and Food Science, Hubei University of Technology, Wuhan, Hubei, China
| | - Anqi Huang
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), Wuhan University School of Pharmaceutical Sciences, Wuhan 430071, China
| | - Qutong Zheng
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), Wuhan University School of Pharmaceutical Sciences, Wuhan 430071, China
| | - Long Yu
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), Wuhan University School of Pharmaceutical Sciences, Wuhan 430071, China
| | - Xiao Li
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), Wuhan University School of Pharmaceutical Sciences, Wuhan 430071, China
| | - Hankun Hu
- Department of Pharmacy, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, China.
| | - Yuxiu Xiao
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), Wuhan University School of Pharmaceutical Sciences, Wuhan 430071, China.
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Vyviurska O, Špánik I. Novel sample preparation approaches in gas chromatographic analysis: Promising ideas. J Sep Sci 2019; 43:174-188. [PMID: 31423726 DOI: 10.1002/jssc.201900685] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 08/14/2019] [Accepted: 08/14/2019] [Indexed: 11/10/2022]
Abstract
The development of sample preparation procedures is still a dynamic process despite a number of already proposed techniques. The main challenge in this research field is to fully replace classical procedures like liquid-liquid extraction and solid-phase extraction in gas chromatographic analysis. Some progress has been already achieved for the last 20 years when miniaturized techniques were incorporated in ISO standards. The current review is focused on novel approaches in sample treatment that appeared since 2010. It includes research studies describing non-conventional instrumental design available to inspire future progress in the field. A combination of a few extraction principles and supporting with additional treatment are the main core suggested for improvement of sample preparation efficiency. This requires good compatibility of extraction media, assessment of multiple experimental parameters, and potential automatization possibilities.
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Affiliation(s)
- Olga Vyviurska
- Slovak University of Technology in Bratislava, Faculty of Chemical and Food Technology, Institute of Analytical Chemistry, Bratislava, Slovak Republic
| | - Ivan Špánik
- Slovak University of Technology in Bratislava, Faculty of Chemical and Food Technology, Institute of Analytical Chemistry, Bratislava, Slovak Republic
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Yang X, Yin Y, Zong Y, Wan T, Liao X. Magnetic nanocomposite as sorbent for magnetic solid phase extraction coupled with high performance liquid chromatography for determination of polycyclic aromatic hydrocarbons. Microchem J 2019. [DOI: 10.1016/j.microc.2018.10.013] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Pang J, Yuan D, Huang X. On-line combining monolith-based in-tube solid phase microextraction and high-performance liquid chromatography- fluorescence detection for the sensitive monitoring of polycyclic aromatic hydrocarbons in complex samples. J Chromatogr A 2018; 1571:29-37. [DOI: 10.1016/j.chroma.2018.07.077] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2018] [Revised: 07/24/2018] [Accepted: 07/27/2018] [Indexed: 01/03/2023]
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A fully automated analytical platform integrating water sampling-miniscale-liquid-liquid extraction-full evaporation dynamic headspace concentration-gas chromatography-mass spectrometry for the analysis of ultraviolet filters. Anal Chim Acta 2018; 1006:33-41. [DOI: 10.1016/j.aca.2017.12.035] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 12/07/2017] [Accepted: 12/24/2017] [Indexed: 11/23/2022]
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Wang Z, Zhang Q, Li H, Lv Q, Wang W, Bai H. Rapid and green determination of 58 fragrance allergens in plush toys. J Sep Sci 2017; 41:657-668. [DOI: 10.1002/jssc.201700556] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Revised: 10/18/2017] [Accepted: 11/08/2017] [Indexed: 11/09/2022]
Affiliation(s)
- Zhijuan Wang
- Institute of Industrial and Consumer Product Safety; Chinese Academy of Inspection and Quarantine; Beijing China
| | - Qing Zhang
- Institute of Industrial and Consumer Product Safety; Chinese Academy of Inspection and Quarantine; Beijing China
| | - Haiyu Li
- Institute of Industrial and Consumer Product Safety; Chinese Academy of Inspection and Quarantine; Beijing China
| | - Qing Lv
- Institute of Industrial and Consumer Product Safety; Chinese Academy of Inspection and Quarantine; Beijing China
| | - Wan Wang
- Institute of Industrial and Consumer Product Safety; Chinese Academy of Inspection and Quarantine; Beijing China
| | - Hua Bai
- Institute of Industrial and Consumer Product Safety; Chinese Academy of Inspection and Quarantine; Beijing China
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Kokosa JM. Selecting an Appropriate Solvent Microextraction Mode for a Green Analytical Method. COMPREHENSIVE ANALYTICAL CHEMISTRY 2017. [DOI: 10.1016/bs.coac.2016.12.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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