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Duny M, Cortéjade A, Wiest L, Nicolas M, Vulliet E. Single injection LC-MS/MS analytical method for the quantification of diverse families of micropollutants, including PFAS and organotins, in Gammarus fossarum. J Chromatogr A 2024; 1720:464778. [PMID: 38432107 DOI: 10.1016/j.chroma.2024.464778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 02/23/2024] [Accepted: 02/27/2024] [Indexed: 03/05/2024]
Abstract
Since the last decades, light has been shed on the pollution of aquatic ecosystems. Considering apolar compounds in water, analysis of the dissolved phase is not sufficient due to their possible bioaccumulation. Additional analysis of sediments, biota, or sentinel species is necessary. Among sentinel species, Gammarus fossarum is a small shrimp of 30 mg that lives naturally in the river. Its ability to bioaccumulate makes it a good bioindicator of river pollution. Nevertheless, micropollutants are difficult to extract from gammarids due to their small size and their high level of lipids. Extracted interferences can lead to analytical difficulties. Targeted micropollutants in this work were organotins, personal and pharmaceutical care products (PPCPs), pesticides, flame retardants, and perfluorinated compounds. A sample preparation based on QuEChERS followed by liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) was developed: different salts (acetate and citrate) and purification (addition of hexane, dispersive SPE) were tested and validated. Targeted molecules used to be analyzed by LC-MS/MS, except organotins which are principally analyzed in gas chromatography. One of the main challenges was to quantify them also in LC-MS/MS to implement an original multi-residue method. The analysis of 40 compounds was finally validated according to ICH guidelines, with LOQs ranging from 0.04 ng.g-1 to 313.5 ng.g-1. Regarding Perfluorooctanesulfonic acid (PFOS) and the sum of hexabromocyclododecane, LOQs reached the environmental quality standards in biota which are respectively of 9.1 and 167 ng.g-1. Finally, the method was applied to 15 real samples. Many compounds were quantified: perfluorinated compounds, drugs such as ketoprofen, and even cosmetics products such as octocrylene. This is the first study to quantify as many emerging compounds, especially organotins, in a sentinel species such as G. fossarum.
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Affiliation(s)
- Mathilde Duny
- CARSO-LSEHL, 4 avenue Jean Moulin, Vénissieux 69633, France; Universite Claude Bernard Lyon 1 ISA, UMR 5280 CNRS, 5 rue de la Doua, Villeurbanne 69100, France
| | | | - Laure Wiest
- Universite Claude Bernard Lyon 1 ISA, UMR 5280 CNRS, 5 rue de la Doua, Villeurbanne 69100, France
| | | | - Emmanuelle Vulliet
- Universite Claude Bernard Lyon 1 ISA, UMR 5280 CNRS, 5 rue de la Doua, Villeurbanne 69100, France.
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2
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Moscoso-Pérez CM, Fernández-González V, Moreda-Piñeiro J, López Mahía P, Muniategui-Lorenzo S. Organotin compounds in seafood by ultrasonic assisted extraction and gas chromatography-triple quadrupole tandem mass spectrometry. FOOD ADDITIVES & CONTAMINANTS. PART B, SURVEILLANCE 2023; 16:219-233. [PMID: 37458108 DOI: 10.1080/19393210.2023.2207538] [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: 09/06/2022] [Accepted: 04/24/2023] [Indexed: 07/18/2023]
Abstract
Although restricting environmental quality values for organotin compounds (OTs) are set by Directive 2013/39/EU of the European Parliament, marine environment remains being affected due to maritime circulation at global scale. Fish and seafood accumulate OTs, making fish and seafood consumption the main source of OTs in humans. Because of the fish and seafood matrices complexity and the required low limits of detection, a robust and fast procedure for the quantification of OTs in fish and seafood, using ultrasound-assisted extraction and gas chromatography-tandem mass spectrometry, was validated and applied. Detection (2.7 µg Sn kg-1) and quantification (8.0 µg Sn kg-1) limits, repeatability and intermediate precision (<10%), accuracy by analysing ERM®-CE477 Mussel Tissue and analytical recoveries (65-122%) were assessed. Multivariate analysis shown that the matrix effect for some OTs displayed good negative correlation with the fat and protein content. Health risk assessment of OTs intake revealed no serious risk for human consumption.
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Affiliation(s)
- Carmen Maria Moscoso-Pérez
- Department of Chemistry, Faculty of Sciences, University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), A Coruña, Spain
| | - Verónica Fernández-González
- Department of Chemistry, Faculty of Sciences, University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), A Coruña, Spain
| | - Jorge Moreda-Piñeiro
- Department of Chemistry, Faculty of Sciences, University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), A Coruña, Spain
| | - Purificación López Mahía
- Department of Chemistry, Faculty of Sciences, University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), A Coruña, Spain
| | - Soledad Muniategui-Lorenzo
- Department of Chemistry, Faculty of Sciences, University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), A Coruña, Spain
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3
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Foulks Z, Parks J, Stoecker W, Kristensen C, Hebets EA, Shi H. Identification and quantification of 11 airborne biochemicals emitted by the brown recluse and another primitive hunting spider using headspace solid-phase microextraction-GC/MS. Anal Bioanal Chem 2021; 413:6605-6615. [PMID: 34476521 DOI: 10.1007/s00216-021-03626-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/17/2021] [Accepted: 08/18/2021] [Indexed: 11/24/2022]
Abstract
Loxosceles reclusa, or brown recluse spider, is a harmful household spider whose habitat extends throughout the Midwest in the USA and other regions in the world. The pheromones and other biomolecules that facilitate signaling for brown recluses and other spider species are poorly understood. A rapid and sensitive method is needed to analyze airborne spider signaling biomolecules to better understand the structure and function of these biochemicals in order to control the population of the spiders. In this study, we developed a novel headspace solid-phase microextraction (HS-SPME)-GC/MS method to analyze potential pheromones and biomolecules emitted by the brown recluse spider. The method is highly selective and sensitive for biomolecule identification and quantification from a single live spider. Using this novel non-destructive HS-SPME-GC/MS technique, we identified 11 airborne biomolecules, including 4-methylquinazoline, dimethyl sulfone, 2-methylpropanoic acid, butanoic acid, hexanal, 3-methylbutanoic acid, 2-methylbutanoic acid, 2,4-dimethylbenzaldehyde, 2-phenoxyethanol, and citral (contains both isomers of neral and geranial). Some of these airborne biomolecules were also reported as semiochemicals associated with biological functions of other spiders and insects. The method was also applied to study the airborne biochemicals of Plectreurys tristis, another primitive hunting spider with a poor web, enabling quantitation of the same compounds and demonstrating a difference in signaling molecule concentrations between the two species. This method has potential application in the study of pheromones and biological signaling in other species, which allows for the possibility of utilizing attractant or deterrent functions to limit household populations of harmful species.
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Affiliation(s)
- Zachary Foulks
- Department of Chemistry, Missouri University of Science and Technology, 400 W 11th Street, Rolla, MO, 65409, USA
| | - Jennifer Parks
- Department of Chemistry, Missouri University of Science and Technology, 400 W 11th Street, Rolla, MO, 65409, USA
- The Dermatology Center and SpiderTek, Rolla, MO, 65401, USA
| | | | | | - Eileen A Hebets
- School of Biological Sciences, University of Nebraska, Lincoln, NE, 68588, USA
| | - Honglan Shi
- Department of Chemistry, Missouri University of Science and Technology, 400 W 11th Street, Rolla, MO, 65409, USA.
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4
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Dos Santos GC, da S Avellar ÃLA, de O Schwaickhardt R, Bandeira NMG, Donato FF, Prestes OD, Zanella R. Effective methods for the determination of triphenyltin residues in surface water and soil samples by high-performance liquid chromatography with tandem mass spectrometry. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:2323-2330. [PMID: 32930257 DOI: 10.1039/d0ay00329h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Monitoring of triphenyltin (TPhT) in the environment, particularly to control its misuse in agriculture, is of great importance because of its high toxicity. In this work, methods for determination of TPhT residues in surface water and soil samples by liquid chromatography with tandem mass spectrometry (LC-MS/MS) were developed and validated. Different sample volumes and pH and elution solvent types and volumes were evaluated for solid phase extraction (SPE) of TPhT in surface water samples. The optimized conditions were 500 mg sorbent Strata C18-E, 100 mL of the sample, pH adjusted to 9.0 and 1 mL of methanol containing acetic acid as the eluent. For a 10 g soil sample, the extraction was established using a modified QuEChERS method with 10 mL of acidified acetonitrile followed by a clean-up step by dispersive solid phase extraction (dSPE) with C18. A full factorial 23 design of experiments was applied to optimize the sample preparation method for soil samples. Practical method limits of quantification were 0.1 μg L-1 and 10 μg kg-1 for surface water and soil samples, respectively. Satisfactory accuracy, with recoveries from 86 to 107% for surface water and 72 to 87% for soil samples, as well as good precision, with an overall relative standard deviation (RSD) from 3 to 8% was observed. The validated methods were applied to real samples and some residues of TPhT were found, especially in soil samples (30 to 190 mg kg-1), indicating the suitability for routine analysis.
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Affiliation(s)
- Gabriel C Dos Santos
- Laboratório de Análises de Resíduos de Pesticidas (LARP), Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil.
| | - Ã Llisson A da S Avellar
- Laboratório de Análises de Resíduos de Pesticidas (LARP), Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil.
| | - Rômulo de O Schwaickhardt
- Laboratório de Análises de Resíduos de Pesticidas (LARP), Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil.
| | - Nelson M G Bandeira
- Laboratório de Análises de Resíduos de Pesticidas (LARP), Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil.
| | - Filipe F Donato
- Laboratório de Análises de Resíduos de Pesticidas (LARP), Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil.
| | - Osmar D Prestes
- Laboratório de Análises de Resíduos de Pesticidas (LARP), Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil.
| | - Renato Zanella
- Laboratório de Análises de Resíduos de Pesticidas (LARP), Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil.
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Scortichini S, Boarelli MC, Silvi S, Fiorini D. Development and validation of a GC-FID method for the analysis of short chain fatty acids in rat and human faeces and in fermentation fluids. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1143:121972. [PMID: 32193004 DOI: 10.1016/j.jchromb.2020.121972] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 01/08/2020] [Accepted: 01/09/2020] [Indexed: 01/29/2023]
Abstract
Short-chain fatty acids (SCFAs) are gut microbiota metabolites recognized for their beneficial effects on the host organism. In this study, a simple and rapid sample preparation method combined to SCFAs analysis by direct injection and gas chromatography coupled with flame ionization detection (GC-FID), for the determination and quantification of eight SCFAs (acetic, propionic, i-butyric, butyric, i-valeric, valeric, i-caproic and caproic acids) in rat, mice and human faeces and in fermentation fluids samples, has been developed and validated. The method consists of extraction of the SCFAs by ethyl ether after acidification of the samples. The effect of the number of extractions has been assessed in order to optimize the procedure and to obtain a satisfactory yield for all the analyzed SCFAs. The increase of the extracted analytes quantity was significant passing from 1 to 2 and from 2 to 3 extractions (P < 0.05), while no significant differences were found performing 3, 4 or 5 extractions (P > 0.05). The SCFAs extracted are directly analyzed by GC-FID without derivatization and separated on a polyethylene glycol nitroterephthalic acid modified coated capillary column, with a chromatographic run time of 13 min. The proposed method showed good sensitivity, with limits of quantifications in the range 0.14-0.48 µM for SCFAs from propionic to caproic acids and 2.12 µM for acetic acid; recovery was between 80.8 and 108.8% and intraday and interday repeatability in the range 0.6-5.0% of precision (RSD, %) The optimized method is suitable for the quantitative analysis of SCFAs in real samples of rat, mouse and human faeces and in fermentation fluids, and it can be applied also to very small amount of faecal sample (20 mg).
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Affiliation(s)
- Serena Scortichini
- School of Science and Technology, Chemistry Division, University of Camerino, V. S. Agostino 1, I-62032 Camerino, MC, Italy
| | - Maria Chiara Boarelli
- School of Science and Technology, Chemistry Division, University of Camerino, V. S. Agostino 1, I-62032 Camerino, MC, Italy
| | - Stefania Silvi
- School of Biosciences and Veterinary Medicine, University of Camerino, V. S. Agostino 1, I-62032 Camerino, MC, Italy
| | - Dennis Fiorini
- School of Science and Technology, Chemistry Division, University of Camerino, V. S. Agostino 1, I-62032 Camerino, MC, Italy.
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Formalewicz MM, Rampazzo F, Noventa S, Gion C, Petranich E, Crosera M, Covelli S, Faganeli J, Berto D. Organotin compounds in touristic marinas of the northern Adriatic Sea: occurrence, speciation and potential recycling at the sediment-water interface. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:31142-31157. [PMID: 31463746 DOI: 10.1007/s11356-019-06269-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Accepted: 08/16/2019] [Indexed: 06/10/2023]
Abstract
Butyltin compound (BTC) contamination was evaluated in two north Adriatic marinas, San Rocco (Italy) and Lucija (Slovenia). BTC sedimentary concentrations (121 ± 46 and 352 ± 30 ng Sn g-1 in San Rocco and Lucija, respectively) evidenced the past use of antifouling paints, confirmed by the reduced tributyltin content (~ 46%) with respect to the sum of BTC. Elemental and organic carbon isotopic (δ13C) analyses of bulk sediments and its lipid and humic substances were performed in order to evaluate their role in BTC partitioning and preservation. The δ13C of sedimentary bulk and refractory organic matter suggested that diagenetic processes could play a role in the preservation or release of pollutants. No contamination was found in water collected from the benthic chamber and thus, fluxes at the sediment-water interface were not assessed, except for MBT efflux at Lucija (28.9 ng Sn m-2 day-1). Nevertheless, BTC concentrations in porewaters (up to 75 ng Sn l-1) and rather low sediment-porewater partitioning coefficients (Kd) with respect to the data reported in the literature would suggest a potential risk of the reintroduction of BTC into the water column at both sites: at Lucija, sedimentary contamination is high despite the greater Log Kd, whilst at San Rocco, the low BTC concentration is associated with a reduced sediment affinity.
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Affiliation(s)
- Malgorzata M Formalewicz
- Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA), Brondolo, 30015, Chioggia, Italy
| | - Federico Rampazzo
- Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA), Brondolo, 30015, Chioggia, Italy
| | - Seta Noventa
- Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA), Brondolo, 30015, Chioggia, Italy
| | - Claudia Gion
- Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA), Brondolo, 30015, Chioggia, Italy
| | - Elisa Petranich
- Dipartimento di Matematica e Geoscienze, Università degli Studi di Trieste, Via Weiss 2, 34128, Trieste, Italy
| | - Matteo Crosera
- Dipartimento di Scienze Chimiche e Farmaceutiche, Università degli Studi di Trieste, Via Licio Giorgieri 1, 34127, Trieste, Italy
| | - Stefano Covelli
- Dipartimento di Matematica e Geoscienze, Università degli Studi di Trieste, Via Weiss 2, 34128, Trieste, Italy
| | - Jadran Faganeli
- Marine Biological Station, National Institute of Biology, Fornace 41, 6330, Piran, Slovenia
| | - Daniela Berto
- Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA), Brondolo, 30015, Chioggia, Italy.
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7
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Chen C, Chen L, Li F, Huang Q, Wu L, Zhang W. Urgent caution to trace organometal pollution: Occurrence, distribution and sources of methyltins, butyltins and phenyltins in sediments from South Hangzhou Bay, China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 246:571-577. [PMID: 30597389 DOI: 10.1016/j.envpol.2018.12.037] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 11/26/2018] [Accepted: 12/12/2018] [Indexed: 06/09/2023]
Abstract
The concentrations of seven organotin compounds (OTCs) were determined seasonally in 22 sediment samples (brackish, freshwater and shrimp pond sediments) in South Hangzhou Bay, China. For the brackish and freshwater sediments, methyltins of up to 43.0 ng Sn g-1 dw showed no significant variation with seasons or locations (p > 0.05). However, butyltin levels in summer (44.0 ± 30.2 ng Sn g-1 dw) were about two folds higher than those in spring (20.4 ± 18.7 ng Sn g-1 dw) and four folds higher than in autumn or winter (both≈10 ng Sn g-1 dw), which is mainly attributed to the heavy contamination near the shipyard, mariculture and textile plants in summer. Phenyltins in spring reached the peak level of 28.4 ng Sn g-1 dw, about three times of other seasons. Meanwhile, there was a significant variation of phenyltins in summer with high-value sites also in the vicinity of mariculture. Thus, excepting the contribution of agricultural activities to phenyltins, mariculture is likely to be a potential source of butyltins and phenyltins into the marine environment (particularly in summer). This hypothesis has been partly validated by determining adjacent shrimp pond sediments, which showed ubiquitous contamination of butyltins and phenyltins in summer and spring (14.2-44.2 ng Sn g-1 dw and 2.2-16.9 ng Sn g-1 dw), but only one sample had the detectable methyltin levels with 8.8 ng Sn g-1 dw of momomethyl-tin. On the other hand, seven OTCs showed a stronger affinity to brackish sediments than the adjacent freshwater sediments, probably owing to the differences of physicochemical parameters and microbial activities in sediments. Overall, OTC contaminants have become more diversified and complicated in coastal zones, suggesting that future studies should pay attention to other OTC species like phenyltins and methyltins, not only the butyltins.
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Affiliation(s)
- Chunzhao Chen
- Key Laboratory of Yangtze River Water Environment of the Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai, China
| | - Ling Chen
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai, China; State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai, China.
| | - Feipeng Li
- School of Environment and Architecture, University of Shanghai for Science and Technology, China
| | - Qinghui Huang
- Key Laboratory of Yangtze River Water Environment of the Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, China
| | - Lingling Wu
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai, China
| | - Wen Zhang
- John A. Reif, Jr. Department of Civil and Environmental Engineering, New Jersey Institute of Technology, Newark, NJ, USA
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8
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Waste to Carbon: Influence of Structural Modification on VOC Emission Kinetics from Stored Carbonized Refuse-Derived Fuel. SUSTAINABILITY 2019. [DOI: 10.3390/su11030935] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The torrefaction of municipal solid waste is one of the solutions related to the Waste to Carbon concept, where high-quality fuel—carbonized refuse-derived fuel (CRDF)—is produced. An identified potential problem is the emission of volatile organic compounds (VOCs) during CRDF storage. Kinetic emission parameters have not yet been determined. It was also shown that CRDF can be pelletized for energy densification and reduced volume during storage and transportation. Thus, our working hypothesis was that structural modification (via pelletization) might mitigate VOC emissions and influence emission kinetics during CRDF storage. Two scenarios of CRDF structural modification on VOC emission kinetics were tested, (i) pelletization and (ii) pelletization with 10% binder addition and compared to ground (loose) CRDF (control). VOC emissions from simulated sealed CRDF storage were measured with headspace solid-phase microextraction and gas chromatography–mass spectrometry. It was found that total VOC emissions from stored CRDF follow the first-order kinetic model for both ground and pelletized material, while individual VOC emissions may deviate from this model. Pelletization significantly decreased (63%~86%) the maximum total VOC emission potential from stored CDRF. Research on improved sustainable CRDF storage is warranted. This could involve VOC emission mechanisms and environmental-risk management.
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Guidetti Vendruscolo R, Bittencourt Fagundes M, Jacob-Lopes E, Wagner R. Analytical strategies for using gas chromatography to control and optimize microalgae bioprocessing. Curr Opin Food Sci 2019. [DOI: 10.1016/j.cofs.2019.02.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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10
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Quintas PY, Oliva AL, Alvarez MB, Arias AH, Domini CE, Garrido M, Marcovecchio JE. Fast and Feasible Ultrasound-Assisted Pretreatment for the Determination of Organotin Compounds in Environmental Samples. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2018; 74:645-655. [PMID: 29299658 DOI: 10.1007/s00244-017-0494-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 12/15/2017] [Indexed: 06/07/2023]
Abstract
The goal of this study was to improve an already established reference method, such as the one devoted to organotin compounds determination (Reference Method for Marine Pollution Studies, No. 59, UNEP). The proposed upgrade consists of replacing the mechanical shaking by ultrasound energy and applying low temperature throughout the whole procedure. The optimization of the new operational conditions was performed by using a factorial design. Quality control was performed using a certified sediment reference material (PACS-2) for sediments (82.5-97% of recovery) and recoveries on spiked samples for suspended particulate matter (SPM) and mussels (94-100%). The proposed procedure was applied to surface sediment samples, SPM, and native bivalve mollusks (Brachidontes rodriguezii) collected in Bahia Blanca estuary, a very industrialized zone. The relative standard deviation (RSD %) of the environmental samples were less than 7.9%. It is important to note that the proposed procedure reduced the sample pretreatment time about seven times.
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Affiliation(s)
- Pamela Y Quintas
- Instituto Argentino de Oceanografía (IADO), Universidad Nacional del Sur (UNS-CONICET), Bahía Blanca, Argentina.
| | - Ana L Oliva
- Instituto Argentino de Oceanografía (IADO), Universidad Nacional del Sur (UNS-CONICET), Bahía Blanca, Argentina
| | - Mónica B Alvarez
- Departamento de Química, Instituto de Química del Sur, INQUISUR (UNS-CONICET), Sección Química Analítica, Universidad Nacional del Sur, Av. Alem 1253, B8000CPB, Bahía Blanca, Argentina
| | - Andres H Arias
- Instituto Argentino de Oceanografía (IADO), Universidad Nacional del Sur (UNS-CONICET), Bahía Blanca, Argentina
| | - Claudia E Domini
- Departamento de Química, Instituto de Química del Sur, INQUISUR (UNS-CONICET), Sección Química Analítica, Universidad Nacional del Sur, Av. Alem 1253, B8000CPB, Bahía Blanca, Argentina
| | - Mariano Garrido
- Departamento de Química, Instituto de Química del Sur, INQUISUR (UNS-CONICET), Sección Química Analítica, Universidad Nacional del Sur, Av. Alem 1253, B8000CPB, Bahía Blanca, Argentina.
| | - Jorge E Marcovecchio
- Instituto Argentino de Oceanografía (IADO), Universidad Nacional del Sur (UNS-CONICET), Bahía Blanca, Argentina
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11
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Accurate Determination of Tributyltin in Tannery Wastewater by a New Procedure Using ID-HPLC–ICP-MS Combined with Low Temperature Extraction. Chromatographia 2017. [DOI: 10.1007/s10337-017-3394-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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12
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Simultaneous Cell Disruption Extraction and Purification Followed by Two-phase Derivatization Procedure for the Determination of Organotin Compounds in Wet Biological Samples by GC–MS. Chromatographia 2017. [DOI: 10.1007/s10337-017-3399-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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13
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A Simple and Selective Fluorescent Sensor Chip for Indole-3-Butyric Acid in Mung Bean Sprouts Based on Molecularly Imprinted Polymer Coatings. SENSORS 2017; 17:s17091954. [PMID: 28837081 PMCID: PMC5620659 DOI: 10.3390/s17091954] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Revised: 08/15/2017] [Accepted: 08/22/2017] [Indexed: 11/17/2022]
Abstract
In this paper, we report the preparation of molecularly imprinted polymer coatings on quartz chips for selective solid-phase microextraction and fluorescence sensing of the auxin, indole-3-butyric acid. The multiple copolymerization method was used to prepare polymer coatings on silylated quartz chips. The polymer preparation conditions (e.g., the solvent, monomer, and cross-linker) were investigated systemically to enhance the binding performance of the imprinted coatings. Direct solid-phase fluorescence measurements on the chips facilitated monitoring changes in coating performance. The average binding capacity of an imprinted polymer coated chip was approximately 152.9 µg, which was higher than that of a non-imprinted polymer coated chip (60.8 µg); the imprinted coatings showed the highest binding to IBA among the structural analogues, indicating that the coatings possess high selectivity toward the template molecule. The developed method was used for the determination of the auxin in mung bean extraction, and the recovery was found to be in the range of 91.5% to 97.5%, with an RSD (n = 3) of less than 7.4%. Thus, the present study provides a simple method for fabricating a fluorescent sensor chip for selective analysis.
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14
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Liu Z, Wang L, Bian W, Zhang M, Zhan J. Porous silver coating fiber for rapidly screening organotin compounds by solid phase microextraction coupled with surface enhanced Raman spectroscopy. RSC Adv 2017. [DOI: 10.1039/c6ra25491h] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Rapidly screening organotin by solid phase microextraction coupled with surface enhanced Raman spectroscopy.
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Affiliation(s)
- Zhen Liu
- Key Laboratory of Colloid and Interface Chemistry
- Ministry of Education
- Department of Chemistry
- Shandong University
- Jinan 250100
| | - Le Wang
- Center of Technology
- Jinan Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China
- Jinan 250014
- China
| | - Weiwei Bian
- Key Laboratory of Colloid and Interface Chemistry
- Ministry of Education
- Department of Chemistry
- Shandong University
- Jinan 250100
| | - Min Zhang
- Key Laboratory of Colloid and Interface Chemistry
- Ministry of Education
- Department of Chemistry
- Shandong University
- Jinan 250100
| | - Jinhua Zhan
- Key Laboratory of Colloid and Interface Chemistry
- Ministry of Education
- Department of Chemistry
- Shandong University
- Jinan 250100
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15
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Liu J, Wang B, Tai C, Wu L, Zhao H, Guan J, Chen L. An Effective Method to Detect Volatile Intermediates Generated in the Bioconversion of Coal to Methane by Gas Chromatography-Mass Spectrometry after In-Situ Extraction Using Headspace Solid-Phase Micro-Extraction under Strict Anaerobic Conditions. PLoS One 2016; 11:e0163949. [PMID: 27695055 PMCID: PMC5047463 DOI: 10.1371/journal.pone.0163949] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2016] [Accepted: 09/16/2016] [Indexed: 02/06/2023] Open
Abstract
Bioconversion of coal to methane has gained increased attention in recent decades because of its economic and environmental advantages. However, the mechanism of this process is difficult to study in depth, partly because of difficulties associated with the analysis of intermediates generated in coal bioconversion. In this investigation, we report on an effective method to analyze volatile intermediates generated in the bioconversion of coal under strict anaerobic conditions. We conduct in-situ extraction of intermediates using headspace solid-phase micro-extraction followed by detection by gas chromatography-mass spectrometry. Bioconversion simulation equipment was modified and combined with a solid-phase micro-extraction device. In-situ extraction could be achieved by using the combined units, to avoid a breakdown in anaerobic conditions and to maintain the experiment continuity. More than 30 intermediates were identified qualitatively in the conversion process, and the variation in trends of some typical intermediates has been discussed. Volatile organic acids (C2–C7) were chosen for a quantitative study of the intermediates because of their importance during coal bioconversion to methane. Fiber coating, extraction time, and solution acidity were optimized in the solid-phase micro-extraction procedure. The pressure was enhanced during the bioconversion process to investigate the influence of headspace pressure on analyte extraction. The detection limits of the method ranged from 0.0006 to 0.02 mmol/L for the volatile organic acids and the relative standard deviations were between 4.6% and 11.5%. The volatile organic acids (C2–C7) generated in the bioconversion process were 0.01–1.15 mmol/L with a recovery range from 80% to 105%. The developed method is useful for further in-depth research on the bioconversion of coal to methane.
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Affiliation(s)
- Jianmin Liu
- Institute of Resources and Environment, Henan Polytechnic University, Jiaozuo, China
- National Key Laboratory of Coal and Coal-bed Methane Simultaneous Extraction, Jincheng, China
| | - Baoyu Wang
- National Key Laboratory of Coal and Coal-bed Methane Simultaneous Extraction, Jincheng, China
| | - Chao Tai
- Institute of Resources and Environment, Henan Polytechnic University, Jiaozuo, China
- National Key Laboratory of Coal and Coal-bed Methane Simultaneous Extraction, Jincheng, China
- * E-mail:
| | - Li Wu
- Institute of Resources and Environment, Henan Polytechnic University, Jiaozuo, China
| | - Han Zhao
- National Key Laboratory of Coal and Coal-bed Methane Simultaneous Extraction, Jincheng, China
| | - Jiadong Guan
- National Key Laboratory of Coal and Coal-bed Methane Simultaneous Extraction, Jincheng, China
| | - Linyong Chen
- National Key Laboratory of Coal and Coal-bed Methane Simultaneous Extraction, Jincheng, China
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16
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Milačič R, Zuliani T, Vidmar J, Ščančar J. Analytical Procedures for Speciation of Chromium, Aluminum, and Tin in Environmental and Biological Samples. Metallomics 2016. [DOI: 10.1002/9783527694907.ch8] [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)
- Radmila Milačič
- Department of Environmental Sciences; Jožef Stefan Institute; Jamova 39 1000 Ljubljana Slovenia
- Jožef Stefan International Postgraduate School; Jamova 39 1000 Ljubljana Slovenia
| | - Tea Zuliani
- Department of Environmental Sciences; Jožef Stefan Institute; Jamova 39 1000 Ljubljana Slovenia
| | - Janja Vidmar
- Department of Environmental Sciences; Jožef Stefan Institute; Jamova 39 1000 Ljubljana Slovenia
- Jožef Stefan International Postgraduate School; Jamova 39 1000 Ljubljana Slovenia
| | - Janez Ščančar
- Department of Environmental Sciences; Jožef Stefan Institute; Jamova 39 1000 Ljubljana Slovenia
- Jožef Stefan International Postgraduate School; Jamova 39 1000 Ljubljana Slovenia
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17
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Ochsenkühn-Petropoulou M, Tsopelas F, Ruzik L, Bierła K, Szpunar J. Selenium and Selenium Species. Metallomics 2016. [DOI: 10.1002/9783527694907.ch6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Maria Ochsenkühn-Petropoulou
- National Technical University of Athens, School of Chemical Engineering; Laboratory of Inorganic and Analytical Chemistry; Iroon Polytechneiou 9, Zografou Campus 157 80 Athens Greece
| | - Fotios Tsopelas
- Warsaw University of Technology; Noakowskiego 3 00-664 Warsaw Poland
| | - Lena Ruzik
- National Technical University of Athens, School of Chemical Engineering; Laboratory of Inorganic and Analytical Chemistry; Iroon Polytechneiou 9, Zografou Campus 157 80 Athens Greece
| | - Katarzyna Bierła
- Warsaw University of Technology; Noakowskiego 3 00-664 Warsaw Poland
| | - Joanna Szpunar
- CNRS-UPPA IPREM; , Laboratory of Bioinorganic Analytical and Environmental Chemistry, UMR 5254; 2, Avenue Président Angot 64053 Pau France
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18
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Liu Y, Ma Y, Wan Y, Guo L, Wan X. Fast and effective low-temperature freezing extraction technique to determine organotin compounds in edible vegetable oil. J Sep Sci 2016; 39:2380-7. [DOI: 10.1002/jssc.201501269] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 04/05/2016] [Accepted: 04/12/2016] [Indexed: 11/05/2022]
Affiliation(s)
- Yingxia Liu
- State Key Laboratory of Food Science and Technology; Nanchang University; Nanchang P. R. China
- Center of Analysis and Testing; Nanchang University; Nanchang P. R. China
| | - Yaqian Ma
- State Key Laboratory of Food Science and Technology; Nanchang University; Nanchang P. R. China
| | - Yiqun Wan
- State Key Laboratory of Food Science and Technology; Nanchang University; Nanchang P. R. China
- Center of Analysis and Testing; Nanchang University; Nanchang P. R. China
| | - Lan Guo
- Center of Analysis and Testing; Nanchang University; Nanchang P. R. China
- Department of Chemistry; Nanchang University; Nanchang China
| | - Xiaofen Wan
- Center of Analysis and Testing; Nanchang University; Nanchang P. R. China
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19
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Song G, Xi H, Zhou Y. Determination of Forty Pollutants in Wastewater by Liquid–Liquid Extraction and Gas Chromatography–Mass Spectrometry. ANAL LETT 2016. [DOI: 10.1080/00032719.2015.1116005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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20
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Rodríguez-Cea A, Rodríguez-González P, Font Cardona N, Aranda Mares JL, Ballester Nebot S, García Alonso JI. Determination of ultratrace levels of tributyltin in waters by isotope dilution and gas chromatography coupled to tandem mass spectrometry. J Chromatogr A 2015; 1425:265-72. [DOI: 10.1016/j.chroma.2015.11.031] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Revised: 10/22/2015] [Accepted: 11/08/2015] [Indexed: 11/16/2022]
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21
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Rapid Separation of Elemental Species by Fast Multicapillary Gas Chromatography with Multichannel Optical Spectrometry Detection following Headspace Solid Phase Microextraction. CHROMATOGRAPHY 2015. [DOI: 10.3390/chromatography2020239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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