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Thulasinathan B, Ganesan V, Manickam P, Kumar P, Govarthanan M, Chinnathambi S, Alagarsamy A. Simultaneous electrochemical determination of persistent petrogenic organic pollutants based on AgNPs synthesized using carbon dots derived from mushroom. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 884:163729. [PMID: 37120020 DOI: 10.1016/j.scitotenv.2023.163729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 04/20/2023] [Accepted: 04/21/2023] [Indexed: 05/07/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are highly carcinogenic substances and accumulate in water bodies through various industries. Due to their harmful effects on humans, it is very important to monitor PAHs in various water resources. In the present work, we report an electrochemical sensor based on silver nanoparticles synthesized using mushroom-derived carbon dots for the simultaneous determination of anthracene and naphthalene, for the first time. Pleurotus species mushroom was used to synthesize the carbon dots (C-dots) via the hydrothermal method and these C-dots were used as a reducing agent for the synthesis of silver nanoparticles (AgNPs). The synthesized AgNPs have been characterized through UV-Visible and FTIR spectroscopy, DLS, XRD, XPS, FE-SEM, and HR-TEM. Well-characterized AgNPs were used to modify glassy carbon electrodes (GCEs) by the drop-casting method. Ag-NPs/GCE has shown strong electrochemical activity towards the oxidation of anthracene and naphthalene at well-separated potentials in phosphate buffer saline (PBS) at pH 7.0. The sensor exhibited a wide linear working range of 250 nM to 1.15 mM for anthracene and 500 nM to 842 μM for naphthalene with the corresponding lowest detection limits (LODs) of 112 nM and 383 nM respectively with extraordinary anti-interference ability against many possible interferents. The fabricated sensor showed high stability and reproducibility. The usefulness of the sensor for the monitoring of anthracene and naphthalene in a seashore soil sample has been demonstrated by the standard addition method. The sensor gave better results with a high recovery percentage indicating the first-ever device to detect two PAHs at the single electrode with the best analytical results.
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Affiliation(s)
- Boobalan Thulasinathan
- Bioenergy and Bioremediation Laboratory, Department of Microbiology, Alagappa University, Karaikudi, India; Electrodics & Electrocatalysis Division, CSIR - Central Electrochemical Research Institute (CECRI), Karaikudi 630003, India
| | - Veerapandi Ganesan
- Department of Bioelectronics and Biosensors, Alagappa University, Karaikudi 630 003, Tamilnadu, India
| | - Pandiaraj Manickam
- Electrodics & Electrocatalysis Division, CSIR - Central Electrochemical Research Institute (CECRI), Karaikudi 630003, India
| | - Ponnuchamy Kumar
- Department of Animal Health and Management, Alagappa University, Karaikudi, Tamil Nadu 630003, India
| | - Muthusamy Govarthanan
- Department of Environmental Engineering, Kyungpook National University, 41566 Daegu, Republic of Korea; Department of Biomaterials, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu 600077, India
| | - Sekar Chinnathambi
- Department of Bioelectronics and Biosensors, Alagappa University, Karaikudi 630 003, Tamilnadu, India.
| | - Arun Alagarsamy
- Bioenergy and Bioremediation Laboratory, Department of Microbiology, Alagappa University, Karaikudi, India.
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The New Approach to a Pattern Recognition of Volatile Compounds: The Inflammation Markers in Nasal Mucus Swabs from Calves Using the Gas Sensor Array. CHEMOSENSORS 2021. [DOI: 10.3390/chemosensors9060116] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
This paper discusses the application of two approaches (direct and inverse) to the identification of volatile substances by means of a gas sensor array in a headspace over nasal mucus swab samples taken from calves with differing degrees of respiratory damage. We propose a unique method to visualize sensor array data for quality analysis, based on the spectra of cross mass sensitivity parameters. The traditional method, which requires an initial sensor array trained on the vapors of the individual substances (database accumulation)—with their further identification in the analyzed bio-samples through the comparison of the analysis results to the database—has shown unsatisfactory performance. The proposed inverse approach is more informative for the pattern recognition of volatile substances in the headspace of mucus samples. The projection of the calculated parameters of the sensor array for individual substances in the principal component space, acquired while processing the sensor array output from nasal swab samples, has allowed us to divide animals into groups according to the clinical diagnosis of their lung condition (healthy respiratory system, bronchitis, or bronchopneumonia). The substances detected in the gas phase of the nasal swab samples (cyclohexanone, butanone-2,4-methyl-2-pentanone) were correlated with the clinical state of the animals, and were consistent with the reference data on disease markers in exhaled air established for destructive organism processes.
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Evaluation of Reductions in Fume Emissions (VOCs and SVOCs) from Warm Mix Asphalt Incorporating Natural Zeolite and Reclaimed Asphalt Pavement for Sustainable Pavements. SUSTAINABILITY 2020. [DOI: 10.3390/su12229546] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Conventional asphalt mixtures used for road paving require high manufacturing temperatures and therefore high energy expenditure, which has a negative environmental impact and creates risk in the workplace owing to high emissions of pollutants, greenhouse gases, and toxic fumes. Reducing energy consumption and emissions is a continuous challenge for the asphalt industry. Previous studies have focused on the reduction of emissions without characterizing their composition, and detailed characterization of volatile organic compounds (VOCs) and semi-volatile organic compounds (SVOCs) in asphalt fumes is scarce. This communication describes the characterization and evaluation of VOCs and SVOCs from asphalt mixtures prepared at lower production temperatures using natural zeolite; in some cases, reclaimed asphalt pavement (RAP) was used. Fumes were extracted from different asphalt mix preparations using a gas syringe and then injected into hermetic gas sample bags. The compounds present in the fumes were sampled with a fiber and analyzed by gas-liquid chromatography coupled to mass spectrometry (GC/MS). In general, the preparation of warm mix asphalts (WMA) using RAP and natural zeolite as aggregates showed beneficial effects, reducing VOCs and SVOCs compared to hot mix asphalts (HMA). The fumes captured presented a similar composition to those from HMA, consisting principally of saturated and unsaturated aliphatic hydrocarbons and aromatic compounds but with few halogenated compounds and no polycyclic aromatic hydrocarbons. Thus, the paving mixtures described here are a friendlier alternative for the environment and for the health of road workers, in addition to permitting the re-use of RAP.
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Wang X, Guan X, Zhang X, Xiang S, Zhang R, Liu M. Microbial communities in petroleum-contaminated seasonally frozen soil and their response to temperature changes. CHEMOSPHERE 2020; 258:127375. [PMID: 32554022 DOI: 10.1016/j.chemosphere.2020.127375] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Revised: 06/04/2020] [Accepted: 06/08/2020] [Indexed: 05/25/2023]
Abstract
Petroleum has contaminated microbial habitats in some parts of permafrost. The microbial community has probably undergone great changes due to the differential sensitivity of bacteria to petroleum contamination, making the seasonally frozen ground ecosystem even more fragile. In this study, we analyzed the microbial community structure and function at different soil depths and petroleum contaminant levels, and studied their relationship with environmental factors through correlation analysis, the random forest algorithm and co-occurrence network analysis. We found that microbial community composition and function mainly varied in response to concentrations of petroleum and sulfates in the environment. The microbial community was divided into six modules as functional groups. Among them, sulfate-reducing bacteria and sulfite-oxidizing bacteria play important roles in module0 and module4, respectively, which were possibly responsible for the degradation of petroleum in permafrost zone. The microbial ability to degrade petroleum decreased and glycan metabolism decreased and then increased through the temperature rise-fall process as a result of microbial stress tolerance mechanisms to pollution and temperature changes. The impact on microbial community structure and function, as well as the responses to petroleum pollution and temperature changes, are revealed in this study.
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Affiliation(s)
- Xusheng Wang
- School of Ocean Sciences, China University of Geosciences (Beijing), Beijing, 100083, China
| | - Xiangyu Guan
- School of Ocean Sciences, China University of Geosciences (Beijing), Beijing, 100083, China; Beijing Key Laboratory of Water Resources and Environmental Engineering, China University of Geosciences (Beijing), Beijing, 100083, China.
| | - Xiaojuan Zhang
- Beijing Key Laboratory of Water Resources and Environmental Engineering, China University of Geosciences (Beijing), Beijing, 100083, China
| | - Shizheng Xiang
- School of Ocean Sciences, China University of Geosciences (Beijing), Beijing, 100083, China
| | - Ruirui Zhang
- School of Ocean Sciences, China University of Geosciences (Beijing), Beijing, 100083, China
| | - Mingzhu Liu
- Beijing Key Laboratory of Water Resources and Environmental Engineering, China University of Geosciences (Beijing), Beijing, 100083, China
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Rajabi H, Hadi Mosleh M, Mandal P, Lea-Langton A, Sedighi M. Emissions of volatile organic compounds from crude oil processing - Global emission inventory and environmental release. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 727:138654. [PMID: 32498184 DOI: 10.1016/j.scitotenv.2020.138654] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 04/09/2020] [Accepted: 04/10/2020] [Indexed: 06/11/2023]
Abstract
Airborne Volatile organic compounds (VOCs) are known to have strong and adverse impacts on human health and the environment by contributing to the formation of tropospheric ozone. VOCs can escape during various stages of crude oil processing, from extraction to refinery, hence the crude oil industry is recognised as one of the major sources of VOC release into the environment. In the last few decades, volatile emissions from crude oil have been investigated either directly by means of laboratory and field-based analyses, or indirectly via emission inventories (EIs) which have been used to develop regulatory and controlling measures in the petroleum industry. There is a vast amount of scattered data in the literature for both regional emissions from crude oil processing and scientific measurements of VOC releases. This paper aims to provide a critical analysis of the overall scale of global emissions of VOCs from all stages of oil processing based on data reported in the literature. The volatile compounds, identified via EIs of the crude oil industry or through direct emissions from oil mass, are collected and analysed to present a global-scale evaluation of type, average concentration and detection frequency of the most prevalent VOCs. We provide a critical analysis on the total averages of VOCs and key pieces of evidence which highlights the necessity of implementing control measures to regulate crude oil volatile emissions (CVEs) in primary steps of extraction-to-refinery pathways of crude oil processing. We have identified knowledge gaps in this field which are of importance to control the release of VOCs from crude oil, independent of oil type, location, operating conditions and metrological parameters.
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Affiliation(s)
- Hamid Rajabi
- Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, the University of Manchester, Manchester M13 9PL, UK
| | - Mojgan Hadi Mosleh
- Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, the University of Manchester, Manchester M13 9PL, UK.
| | - Parthasarathi Mandal
- Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, the University of Manchester, Manchester M13 9PL, UK
| | - Amanda Lea-Langton
- Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, the University of Manchester, Manchester M13 9PL, UK
| | - Majid Sedighi
- Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, the University of Manchester, Manchester M13 9PL, UK
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Simultaneous Determination of 24 Polycyclic Aromatic Hydrocarbons in Oils by Gas Chromatography-Mass Spectrometry Using an Improved Clean-up Procedure. FOOD ANAL METHOD 2019. [DOI: 10.1007/s12161-019-01545-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Comparison of five different HPLC columns with different particle sizes, lengths and make for the optimization of seven polycyclic aromatic hydrocarbons (PAH) analysis. SN APPLIED SCIENCES 2019. [DOI: 10.1007/s42452-019-0330-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Bao Q, Fu K, Ren Q, Zhong Y, Qian D. Accuracy Profiles for Analyzing Residual Solvents in Textiles by GC-MS. J Chromatogr Sci 2018; 55:882-890. [PMID: 28605412 DOI: 10.1093/chromsci/bmx052] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Indexed: 11/14/2022]
Abstract
Excess residual solvents (RSs) in clothes or other textiles could be toxic and pose risks to both humans and the environment. N,N-Dimethylformamide (DMF), N,N-dimethylacetamide (DMAc) and 1-methyl-2-pyrrolidinone (NMP) are important chemicals frequently used as solvents in the textile industry. Several organizations have proposed limiting DMF, DMAc and NMP in textiles, but an appropriate detection method has not been proposed. A sensitive GC-MS method for the quantification of DMF, DMAc and NMP in textiles was developed. After extraction with ethyl acetate, these RSs were separated on a DB-5MS capillary column. The oven temperature was increased from 50°C (held for 0.5 min) at 10°C/min to 120°C (held for 1 min). The method was fully validated according to the accuracy profile procedure, which is based on β-expectation tolerance intervals for the total measurement bias. Linearity was observed in the range of 0.5-10 mg/L for the solvents with limit of quantification values of 4.2, 3.5 and 2.5 mg/kg for DMF, DMAc and NMP, respectively. The repeatability and intermediate precision were <5.34% and 7.95% for DMF, 5.37% and 9.68% for DMAc, and 2.68% and 5.85% for NMP. The recoveries of DMF, DMAc and NMP were 91.2-106.3%, 89.5-97.7% and 85.6-101.3%, respectively.
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Affiliation(s)
- Qibei Bao
- Ningbo Academy of Science & Technology for Inspection & Quarantine, 8#, Huikang Road, Ningbo 315100, People's Republic of China
| | - Kejie Fu
- College of Materials and Textiles, Zhejiang Sci-Tech University, 928#, No.2 Street, Xiasha Higher Education Park, Hangzhou 310018, People's Republic of China
| | - Qingqing Ren
- Ningbo Academy of Science & Technology for Inspection & Quarantine, 8#, Huikang Road, Ningbo 315100, People's Republic of China
| | - Yingying Zhong
- Ningbo Academy of Science & Technology for Inspection & Quarantine, 8#, Huikang Road, Ningbo 315100, People's Republic of China
| | - Dan Qian
- Ningbo Academy of Science & Technology for Inspection & Quarantine, 8#, Huikang Road, Ningbo 315100, People's Republic of China
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Cao X, Tarr MA. Aldehyde and Ketone Photoproducts from Solar-Irradiated Crude Oil-Seawater Systems Determined by Electrospray Ionization-Tandem Mass Spectrometry. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:11858-11866. [PMID: 28903555 DOI: 10.1021/acs.est.7b01991] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Aldehyde and ketone photoproducts were observed in the aqueous phase under oil exposed to simulated sunlight by using 2,4-dinitrophenylhydrazine (DNPH) derivatization and electrospray ionization-tandem mass spectrometry (ESI-MS/MS). Oil samples were spread over seawater in a jacketed beaker held at 27.0 °C and exposed to simulated sunlight. The aqueous phase was collected after irradiation and derivatized with DNPH, which selectively reacts with aldehydes and ketones. The derivatized hydrazones (aldehyde- and ketone-DNPH derivatives) were washed and enriched with a solid-phase extraction cartridge prior to analysis by ESI-MS/MS in negative ion mode. Over 80 aldehyde and ketone photoproducts were observed from scan range 200-1000 atomic mass units (amu) in the aqueous phase after irradiation but were absent in dark controls. Based on the MS/MS fragmentation of the aldehyde- and ketone-DNPH derivatives, most of the aldehyde and ketone photoproduct mass spectra observed from the aqueous phase were determined to be consistent with dicarbonyls, hydroxycarbonyls, and oxo-carboxylic acids. The formation of the photoproducts can be attributed to photoinduced oxidation of oil. The approach in this study allows the easy identification of molar mass and other structural features of aldehyde and ketone photoproducts without interference from the many tens of thousands of parent compounds in the oil. These results will provide insight into the impact of photochemistry on the fate of oil in environmental systems and will have implications for oil-spill response decisions.
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Affiliation(s)
- Xian Cao
- Department of Chemistry, University of New Orleans , 2000 Lakeshore Drive, New Orleans, Louisiana 70148, United States
| | - Matthew A Tarr
- Department of Chemistry, University of New Orleans , 2000 Lakeshore Drive, New Orleans, Louisiana 70148, United States
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Three-dimensional ionic liquid functionalized magnetic graphene oxide nanocomposite for the magnetic dispersive solid phase extraction of 16 polycyclic aromatic hydrocarbons in vegetable oils. J Chromatogr A 2017; 1489:29-38. [DOI: 10.1016/j.chroma.2017.02.010] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Revised: 02/03/2017] [Accepted: 02/06/2017] [Indexed: 12/14/2022]
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Filho CMC, Neto MNL, Teixeira RS, Pais AACC, Valente AJM. Development and optimization of an HPLC–DAD method for quantification of six petroleum hydrocarbon compounds in aqueous samples. J LIQ CHROMATOGR R T 2017. [DOI: 10.1080/10826076.2016.1274998] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
| | - Manoel N. L. Neto
- Department of Chemistry, Federal University of Ceará, Campus do Pici, Fortaleza, CE, Brazil
| | - Raquel S. Teixeira
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
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