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Iannone A, Carriera F, Passarella S, Fratianni A, Avino P. There's Something in What We Eat: An Overview on the Extraction Techniques and Chromatographic Analysis for PFAS Identification in Agri-Food Products. Foods 2024; 13:1085. [PMID: 38611389 PMCID: PMC11011820 DOI: 10.3390/foods13071085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Revised: 03/29/2024] [Accepted: 03/30/2024] [Indexed: 04/14/2024] Open
Abstract
Per- and polyfluorinated alkyl substances (PFASs) are a group of anthropogenic chemicals used in a range of industrial processes and consumer products. Recently, their ubiquitous presence in the environment as well as their toxicological effects in humans have gained relevant attention. Although the occurrence of PFASs is widely investigated in scientific community, the standardization of analytical method for all matrices still remains an important issue. In this review, we discussed extraction and detection methods in depth to evaluate the best procedures of PFAS identification in terms of analytical parameters (e.g., limits of detection (LODs), limits of quantification (LOQs), recoveries). Extraction approaches based on liquid-liquid extraction (LLE), alkaline digestion, and solid phase extraction (SPE), followed by liquid chromatography-mass spectrometry (LC-MS) and gas chromatography-mass spectrometry (GC-MS) analysis are the main analytical methods applied in the literature. The results showed detectable recoveries of PFOA and PFOS in meat, milk, vegetables, eggs products (90.6-101.2% and of 89.2-98.4%), and fish (96-108%). Furthermore, the low LOD and LOQ values obtained for meat (0.00592-0.01907 ng g-1; 0.050 ng g-1), milk (0.003-0.009 ng g-1; 0.010-0.027 ng g-1), fruit (0.002-0.009 ng g-1; 0.006-0.024 ng g-1), and fish (0.00369-0.017.33 ng g-1; 0.05 ng g-1) also confirmed the effectiveness of the recent quick, easy, cheap, effective, rugged, and safe method (QuEChERS) for simple, speedy, and sensitive ultra-trace PFAS analysis.
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Affiliation(s)
- Alessia Iannone
- Department of Agriculture, Environmental and Food Sciences, University of Molise, Via De Sanctis, IT-86100 Campobasso, Italy; (A.I.); (F.C.); (S.P.); (A.F.)
| | - Fabiana Carriera
- Department of Agriculture, Environmental and Food Sciences, University of Molise, Via De Sanctis, IT-86100 Campobasso, Italy; (A.I.); (F.C.); (S.P.); (A.F.)
| | - Sergio Passarella
- Department of Agriculture, Environmental and Food Sciences, University of Molise, Via De Sanctis, IT-86100 Campobasso, Italy; (A.I.); (F.C.); (S.P.); (A.F.)
| | - Alessandra Fratianni
- Department of Agriculture, Environmental and Food Sciences, University of Molise, Via De Sanctis, IT-86100 Campobasso, Italy; (A.I.); (F.C.); (S.P.); (A.F.)
| | - Pasquale Avino
- Department of Agriculture, Environmental and Food Sciences, University of Molise, Via De Sanctis, IT-86100 Campobasso, Italy; (A.I.); (F.C.); (S.P.); (A.F.)
- Institute of Atmospheric Pollution Research, Division of Rome, c/o Ministry of Environment and Energy Security, Via Cristoforo Colombo 44, IT-00147 Rome, Italy
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Shanbhag MM, Shetti NP, Daouli A, Nadagouda MN, Badawi M, Aminabhavi TM. Detection of Perfluorooctanoic and Perfluorodecanoic Acids on a Graphene-Based Electrochemical Sensor Aided by Computational Simulations. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024. [PMID: 38331755 DOI: 10.1021/acs.langmuir.3c03666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
Perfluoroalkyl carboxylic acids (PFCAs) exhibit high chemical and thermal stability, rendering them versatile for various applications. However, their notable toxicity poses environmental and human health concerns. Detecting trace amounts of these chemicals is crucial to mitigate risks. Electrochemical sensors surpass traditional methods in sensitivity, selectivity, and cost-effectiveness. In this study, a graphene nanosheet-based sensor was developed for detecting perfluorooctanoic acid (PFOA) and perfluorodecanoic acid (PFDA). Using the Hummer method, graphene nanosheets were synthesized and characterized in terms of morphology, structural ordering, and surface topology. Ab initio molecular dynamics simulations determined the molecular interaction of per- and poly-fluoroalkyl substances (PFASs) with the sensor material. The sensor exhibited high sensitivity (50.75 μA·μM-1·cm-2 for PFOA and 29.58 μA·μM-1·cm-2 for PFDA) and low detection limits (10.4 nM for PFOA and 16.6 nM for PFDA) within the electrode dynamic linearity range of 0.05-500.0 μM (PFOA) and 0.08-500.0 μM (PFDA). Under optimal conditions, the sensor demonstrated excellent selectivity and recovery in testing for PFOA and PFDA in environmental samples, including spiked soil, water, spoiled vegetables, and fruit samples.
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Affiliation(s)
- Mahesh M Shanbhag
- Department of Chemistry, K.L.E. Institute of Technology, Hubballi, Karnataka 580 027, India
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Vidyanagar, Hubballi, Karnataka 580 031, India
| | - Nagaraj P Shetti
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Vidyanagar, Hubballi, Karnataka 580 031, India
- University Center for Research & Development (UCRO), Chandigarh University, Gharuan, Mohali, Punjab 140413, India
| | - Ayoub Daouli
- Laboratoire de Physique et Chimie Théoriques, UMR CNRS 7019, Université de Lorraine, Vandœuvre-lès-Nancy 54506, France
| | - Mallikarjuna N Nadagouda
- Department of Mechanical and Materials Engineering, Wright State University, Dayton, Ohio 45435, United States
| | - Michael Badawi
- Laboratoire de Physique et Chimie Théoriques, UMR CNRS 7019, Université de Lorraine, Vandœuvre-lès-Nancy 54506, France
| | - Tejraj M Aminabhavi
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Vidyanagar, Hubballi, Karnataka 580 031, India
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Chan WN, Harrison RG. Separation of perfluoroalkyl substances by ion chromatography with a resorcinarene stationary phase. SEPARATION SCIENCE PLUS 2022. [DOI: 10.1002/sscp.202200136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Wai Ning Chan
- Department of Chemistry and Biochemistry Brigham Young University Provo Utah USA
| | - Roger G. Harrison
- Department of Chemistry and Biochemistry Brigham Young University Provo Utah USA
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Jurikova M, Dvorakova D, Pulkrabova J. The occurrence of perfluoroalkyl substances (PFAS) in drinking water in the Czech Republic: a pilot study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:60341-60353. [PMID: 35420337 DOI: 10.1007/s11356-022-20156-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 04/04/2022] [Indexed: 06/14/2023]
Abstract
Drinking water is one of the main contributors to overall human exposure to per- and polyfluoroalkyl substances (PFAS), a broad group of environmental contaminants with arising concerns on the impact on human health; therefore, it is necessary to monitor its quality. Here, we present a solid-phase extraction-based method to determine 22 PFAS in water, using 100 mL of the sample. The instrumental analysis employing an ultra-high-performance liquid chromatography coupled with tandem mass spectrometry achieved low limits of quantification (0.025-0.25 ng/L). The validated method (recoveries 70-120% and repeatabilities ≤ 20% at tested concentrations (0.05, 0.1 and 0.5 ng/L)) was applied to 67 tap water and 31 bottled water samples collected in the Czech Republic. The most abundant compounds were perfluorononanoic acid (88% positives; 0.034-13.3 ng/L) and perfluoroheptanoic acid (23% positives; 0.035-0.106 ng/L), respectively. ∑PFAS in positive samples ranged from 0.029 to 300 ng/L (99% positives, median 2.34 ng/L) in tap water data and 0.033 to 4.48 ng/L (32% positives, median 0.097 ng/L) in bottled water samples. Current-use fluoroalkyl ethers, dodecafluoro-3H-4,8-dioxanonanoate and 11-chloroeicosafluoro-3-oxaundecane-1-sulfonate, were occasionally detected in tap. Based on the median data, PFAS intake by an adult from a tap or bottled water represented units of % of the tolerable weekly intake set by the European Food Safety Authority and therefore did not represent a severe risk. The described method and obtained first data on PFAS in the Czech drinking water provided a solid basis for an ongoing national study on the presence of PFAS in tap water.
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Affiliation(s)
- Martina Jurikova
- Faculty of Food and Biochemical Technology, Department of Food Analysis and Nutrition, University of Chemistry and Technology, Prague, Technicka 3, Prague, 166 28, Czech Republic
| | - Darina Dvorakova
- Faculty of Food and Biochemical Technology, Department of Food Analysis and Nutrition, University of Chemistry and Technology, Prague, Technicka 3, Prague, 166 28, Czech Republic
| | - Jana Pulkrabova
- Faculty of Food and Biochemical Technology, Department of Food Analysis and Nutrition, University of Chemistry and Technology, Prague, Technicka 3, Prague, 166 28, Czech Republic.
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Affiliation(s)
- Susan D Richardson
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29205, United States
| | - Thomas A Ternes
- Federal Institute of Hydrology, Am Mainzer Tor 1, Koblenz 56068, Germany
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Borrull J, Colom A, Fabregas J, Borrull F, Pocurull E. Presence, behaviour and removal of selected organic micropollutants through drinking water treatment. CHEMOSPHERE 2021; 276:130023. [PMID: 33744648 DOI: 10.1016/j.chemosphere.2021.130023] [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] [Received: 10/19/2020] [Revised: 02/04/2021] [Accepted: 02/13/2021] [Indexed: 06/12/2023]
Abstract
This paper investigates the occurrence and removal of 60 organic micropollutants (OMPs) including pharmaceuticals, personal care products, pesticides and per- and polyfluoroalkyl substances in a drinking water treatment plant (DWTP) treating raw water from the Ebro River (NE Spain). The behaviour of the OMPs was evaluated in each treatment: pre-ozonation, flocculation-coagulation-decantation-sand filtration, post-ozonation and granular activated carbon filtration. Thirty-one of the sixty OMPs studied were detected in source water with individual median concentrations below 10 ng L-1 for all the compounds except for caffeine (64.1 ng L-1). The highest concentration peaks in the source water were found for caffeine (124.5 ng L-1), terbuthylazine (52.0 ng L-1), imidacloprid (30.2 ng L-1) and paracetamol (25.6 ng L-1). Of the 31 compounds detected in the source water, 17 were also detected in the finished drinking water. Of these 17 compounds, 10 were PFASs, which indicated that this group of compounds had not been effectively removed throughout the drinking water treatments. The overall removal efficiencies of OMPs in the DWTP ranged from -50.9% to 100%. The most efficient removal technologies were ozonation and granular activated carbon.
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Affiliation(s)
- Josep Borrull
- Consorci d'Aigües de Tarragona, N-340 km 1.094. 43895 L'Ampolla, Spain; Department of Analytical Chemistry and Organic Chemistry, Universitat Rovira i Virgili. Marcel·lí Domingo s/n. Sescelades Campus, 43007 Tarragona, Spain
| | - Agustí Colom
- Consorci d'Aigües de Tarragona, N-340 km 1.094. 43895 L'Ampolla, Spain
| | - Josepa Fabregas
- Consorci d'Aigües de Tarragona, N-340 km 1.094. 43895 L'Ampolla, Spain
| | - Francesc Borrull
- Department of Analytical Chemistry and Organic Chemistry, Universitat Rovira i Virgili. Marcel·lí Domingo s/n. Sescelades Campus, 43007 Tarragona, Spain.
| | - Eva Pocurull
- Department of Analytical Chemistry and Organic Chemistry, Universitat Rovira i Virgili. Marcel·lí Domingo s/n. Sescelades Campus, 43007 Tarragona, Spain
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Sample preparation optimization by central composite design for multi class determination of 172 emerging contaminants in wastewaters and tap water using liquid chromatography high-resolution mass spectrometry. J Chromatogr A 2021; 1652:462369. [PMID: 34246959 DOI: 10.1016/j.chroma.2021.462369] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 06/22/2021] [Accepted: 06/23/2021] [Indexed: 02/06/2023]
Abstract
Multi-residue analysis is highly desirable for water quality control. To this end, a comprehensive workflow for the quantitative analysis of 172 anthropogenic organic compounds belonging to emerging contaminants (pharmaceuticals and personal care products, illicit drugs, organophosphate flame retardants and perfluoroalkyl substances) has been developed for application to wastewater and tap water, based on solid phase extraction (SPE) and Orbitrap high resolution mass spectrometry (HRMS). Due to the large number of analytes with various physicochemical characteristics that should be efficiently extracted, the response surface methodology (RSM) employing a central composite design (CCD) and desirability function (DF) approach was exploited to optimize the sample preparation process, instead of the conventional single-factor analysis. The factors included in the design of experiments (DoE) were sample pH, eluent solvents composition and volume. Statistical analysis (ANOVA) proved the adequacy of the proposed model (2- factor interaction) as p-value < 0.05 followed by different diagnostic tests confirmed the good fitting. The best values to acquire DF close to 1 were pH 3.5, methanol/ethyl acetate ratio 87:13 and eluent volume 6 mL. The streamlined method was validated in terms of accuracy, linearity, method limits, reproducibility, and matrix effect. The proposed workflow combines sensitivity and robustness, with recoveries over 70%, method quantification limits <1 ng/L, and relative standard deviations <20% for most of the compounds. Slight matrix effect (ME) was observed for most of PPCPs, IDs and PFAs, in contrast with most of the OPFRs, for which strong ME was calculated. Method applicability was tested over wastewater collected from a municipal wastewater treatment plant in Thessaloniki (Greece), revealing the presence of 69 and 40 compounds in influents and effluents, respectively, at varying concentrations.
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