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Ghandourah MA. An insightful overview of the distribution pattern of polycyclic aromatic hydrocarbon in the marine sediments of the Red Sea. OPEN CHEM 2022. [DOI: 10.1515/chem-2022-0191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are produced during the combustion of coal and oil, and they can cause sediment contamination. Marine sediments are an important source of information regarding human activities in coastal regions and the long-term fate of xenobiotics. PAHs are a serious environmental problem for marine ecosystems because of their detrimental health impacts on species, including endocrine-disrupting activities. The type of organic contaminants in marine sediments is determined by their origin, with PAHs classed as either petrogenic or pyrogenic. Accidental or deliberate discharges and spills of oil from ships, particularly tankers, offshore platforms, and pipelines, especially in the Kingdom of Saudi Arabia, are the most obvious and visible sources of oil pollution in the marine environment. The current review study will be extremely important and beneficial as a desk review as a result of the growing human population and rapid development in the area. The distribution pattern of PAHs along the Red Sea coastal sediments was limited. The majority of research along Saudi Arabia’s Red Sea coast demonstrates pyrogenic and petrogenic origins of PAHs, as well as in other parts of the world. Industrial activity, municipal waste runoff, petroleum spills, and sewage runoff have a significant impact on PAH distribution throughout the Red Sea’s coastal estuaries. However, after the Gulf war in 1992, much of the attention was occurred especially in the Arabian Gulf coast of Saudi Arabia. This study portrayed a comparison of distribution pattern of PAHs with the other parts of the world as well.
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Affiliation(s)
- Mohammed A. Ghandourah
- Department of Marine Chemistry, Faculty of Marine Sciences, King Abdulaziz University , P.O. Box 80207 , Jeddah 21589 , Saudi Arabia
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2
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Baranac-Stojanović M, Stojanović M, Aleksić J. Revival of Hückel Aromatic (Poly)benzenoid Subunits in Triplet State Polycyclic Aromatic Hydrocarbons by Silicon Substitution. Chem Asian J 2021; 17:e202101261. [PMID: 34964285 DOI: 10.1002/asia.202101261] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/22/2021] [Indexed: 11/08/2022]
Abstract
By employing density functional theory (DFT) calculations we show that mono- and disilicon substitution in polycyclic aromatic hydrocarbons, having two to four benzene units, quenches their triplet state antiaromaticity by creating Hückel aromatic (poly)benzenoid subunit(s) and weakly antiaromatic, or almost nonaromatic silacycle. Therefore, such systems are predicted to be globally aromatic in both the ground state and the first excited triplet state. Putting the silicon atom(s) into various positions of a hydrocarbon provides an opportunity to tune the singlet-triplet energy gaps. They depend on the global aromaticity degree which, in turn, depends on the type of aromatic carbocyclic subunit(s) and the extent of their aromaticity. On the basis of the set of studied compounds, some preliminary rules on how to regulate the extent of global, semiglobal and local aromaticity are proposed. The results of this work extend the importance of Hückel aromaticity concept to excited triplet states which are usually characterized by the Baird type of (anti)aromaticity.
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Affiliation(s)
- Marija Baranac-Stojanović
- Faculty of Chemistry, University of Belgrade, Organic Chemistry, Studentski trg 16, 11000, Belgrade, SERBIA
| | - Milovan Stojanović
- Institute of Chemistry Technology and Metallurgy: Institut za hemiju tehnologiju i metalurgiju, Center for Chemistry, SERBIA
| | - Jovana Aleksić
- Institute of Chemistry Technology and Metallurgy: Institut za hemiju tehnologiju i metalurgiju, Center for Chemistry, SERBIA
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3
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Treviño-Reséndez J, Nacheva PM. Removal of naphthalene and phenanthrene in synthetic solutions by electro-oxidation coupled with membrane bioreactor. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:48543-48555. [PMID: 33909250 DOI: 10.1007/s11356-021-13787-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 03/30/2021] [Indexed: 06/12/2023]
Abstract
Naphthalene (NAPH) and phenanthrene (PHEN) are two of the most abundant polycyclic aromatic hydrocarbons (PAHs) found in nature, and they are considered in the list of US EPA priority pollutants. The contribution of this research lies in the comprehensive analysis of a strategy for the coupling of electro-oxidation (EO) and biodegradation in a submerged membrane bioreactor (SMBR) with the objective to remove PAHs, using NAPH and PHEN as model compounds. The electrochemical degradation of NAPH and PHEN in aqueous synthetic solution has been carried out using two different anodes: Ti/IrO2 and Ti/SnO2. The effects of EO operating parameters (current density, reaction time, and pH) on the NAPH and PHEN removals were investigated applying 23 factorial design with both electrodes. Additionally, the EO effluents were analyzed for COD, NH4-N, and biodegradability (respirometry tests). The highest removals of both compounds were reached with Ti/IrO2 anode, at acidic conditions (pH of 2), current density of 50 mA cm-2, and electrolysis time of 60 min. However, the Ti/SnO2 anode allowed greater reduction of the biomass inhibition, which means that the enhancement of the EO effluent biodegradability was reached; therefore, this electrode was selected for the coupled EO-SMBR system, applying the operating conditions that improved the biodegradability of the effluent. The EO process allowed NAPH and PHEN removal efficiencies of 96 ± 5% and 94 ± 3%, respectively. The membrane bioreactor was operated with organic load of 0.6 ± 0.1 gCOD gVSS-1 d-1, hydraulic retention time of 6 h, and solid retention time of 30 d, obtaining average COD, NH4-N, NAPH, and PHEN removals of 98±0.5%, 91±6.4%, 99.1±0.96%, and 99.7±0.4% respectively. The sorption of phenanthrene onto the biomass had a low contribution, 0.9±0.2%, concluding that biodegradation was the main removal mechanism in the bioreactor. The coupled system EO-SMBR allowed high NAPH and PHEN removal efficiencies of 99.99±0.01 and 99.99±0.02%, respectively.
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Affiliation(s)
- José Treviño-Reséndez
- Universidad Nacional Autonoma de México, Campus IMTA, Blvd. Paseo Cuauhnáhuac 8532, Col. Progreso, C.P.62550, Morelos, México
| | - Petia Mijaylova Nacheva
- Instituto Mexicano de Tecnología del Agua, Blvd. Paseo Cuauhnáhuac 8532, Col. Progreso, C.P. 62550, Morelos, México.
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4
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Markert G, Paenurk E, Gershoni-Poranne R. Prediction of Spin Density, Baird-Antiaromaticity, and Singlet-Triplet Energy Gap in Triplet-State Polybenzenoid Systems from Simple Structural Motifs. Chemistry 2021; 27:6923-6935. [PMID: 33438296 DOI: 10.1002/chem.202005248] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/08/2021] [Indexed: 12/15/2022]
Abstract
Triplet-state aromaticity has been recently proposed as a strategy for designing functional organic electronic compounds, many of which are polycyclic aromatic systems. However, in many cases, the aromatic nature of the triplet state cannot be easily predicted. Moreover, it is often unclear how specific structural manipulations affect the electronic properties of the excited-state compounds. Herein, the relationship between the structure of polybenzenoid hydrocarbons (PBHs) and their spin-density distribution and aromatic character in the first triplet excited state is studied. Although a direct link is not immediately visible, classifying the PBHs according to their annulation sequence reveals regularities. Based on these, a set of guidelines is defined to qualitatively predict the location of spin and paratropicity and the singlet-triplet energy gap in larger PBHs, using only their smaller tri- and tetracyclic components, and subsequently tested on larger systems.
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Affiliation(s)
- Greta Markert
- Laboratorium für Organische Chemie, ETH, 8093, Zurich, Switzerland
| | - Eno Paenurk
- Laboratorium für Organische Chemie, ETH, 8093, Zurich, Switzerland
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5
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Holec J, Cogliati B, Lawrence J, Berdonces-Layunta A, Herrero P, Nagata Y, Banasiewicz M, Kozankiewicz B, Corso M, de Oteyza DG, Jancarik A, Gourdon A. A Large Starphene Comprising Pentacene Branches. Angew Chem Int Ed Engl 2021; 60:7752-7758. [PMID: 33460518 DOI: 10.1002/anie.202016163] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 01/13/2021] [Indexed: 11/08/2022]
Abstract
Starphenes are attractive compounds due to their characteristic physicochemical properties that are inherited from acenes, making them interesting compounds for organic electronics and optics. However, the instability and low solubility of larger starphene homologs make their synthesis extremely challenging. Herein, we present a new strategy leading to pristine [16]starphene in preparative scale. Our approach is based on a synthesis of a carbonyl-protected starphene precursor that is thermally converted in a solid-state form to the neat [16]starphene, which is then characterised with a variety of analytical methods, such as 13 C CP-MAS NMR, TGA, MS MALDI, UV/Vis and FTIR spectroscopy. Furthermore, high-resolution STM experiments unambiguously confirm its expected structure and reveal a moderate electronic delocalisation between the pentacene arms. Nucleus-independent chemical shifts NICS(1) are also calculated to survey its aromatic character.
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Affiliation(s)
- Jan Holec
- Centre d'Elaboration de Matériaux et d'Etudes Structurales, CEMES-CNRS, 29 rue Jeanne Marvig, 31055, Toulouse, France
| | - Beatrice Cogliati
- Centre d'Elaboration de Matériaux et d'Etudes Structurales, CEMES-CNRS, 29 rue Jeanne Marvig, 31055, Toulouse, France.,Current address: Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 17/A, 43124, Parma, Italy
| | - James Lawrence
- Donostia International Physics Center, 20018, San Sebastián, Spain.,Centro de Fisica de Materiales, CSIC-UPV/EHU, 20018, San Sebastián, Spain
| | - Alejandro Berdonces-Layunta
- Donostia International Physics Center, 20018, San Sebastián, Spain.,Centro de Fisica de Materiales, CSIC-UPV/EHU, 20018, San Sebastián, Spain
| | - Pablo Herrero
- Donostia International Physics Center, 20018, San Sebastián, Spain.,Centro de Fisica de Materiales, CSIC-UPV/EHU, 20018, San Sebastián, Spain
| | - Yuuya Nagata
- Japan Institute for Chemical Reaction Design and Discovery, (WPI-ICReDD), Hokkaido University, Sapporo, Hokkaido, 001-0021, Japan
| | - Marzena Banasiewicz
- Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668, Warsaw, Poland
| | - Boleslaw Kozankiewicz
- Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668, Warsaw, Poland
| | - Martina Corso
- Donostia International Physics Center, 20018, San Sebastián, Spain.,Centro de Fisica de Materiales, CSIC-UPV/EHU, 20018, San Sebastián, Spain
| | - Dimas G de Oteyza
- Donostia International Physics Center, 20018, San Sebastián, Spain.,Centro de Fisica de Materiales, CSIC-UPV/EHU, 20018, San Sebastián, Spain
| | - Andrej Jancarik
- Centre d'Elaboration de Matériaux et d'Etudes Structurales, CEMES-CNRS, 29 rue Jeanne Marvig, 31055, Toulouse, France.,Institute of Organic Chemistry and Biochemistry of Czech Academy of Science, IOCB CAS, Flemingovo nám. 542, 160 00, Praha 6, Czech Republic
| | - Andre Gourdon
- Centre d'Elaboration de Matériaux et d'Etudes Structurales, CEMES-CNRS, 29 rue Jeanne Marvig, 31055, Toulouse, France
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6
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Holec J, Cogliati B, Lawrence J, Berdonces‐Layunta A, Herrero P, Nagata Y, Banasiewicz M, Kozankiewicz B, Corso M, Oteyza DG, Jancarik A, Gourdon A. A Large Starphene Comprising Pentacene Branches. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016163] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jan Holec
- Centre d'Elaboration de Matériaux et d'Etudes Structurales CEMES-CNRS 29 rue Jeanne Marvig 31055 Toulouse France
| | - Beatrice Cogliati
- Centre d'Elaboration de Matériaux et d'Etudes Structurales CEMES-CNRS 29 rue Jeanne Marvig 31055 Toulouse France
- Current address: Dipartimento di Scienze Chimiche della Vita e della Sostenibilità Ambientale Università di Parma Parco Area delle Scienze 17/A 43124 Parma Italy
| | - James Lawrence
- Donostia International Physics Center 20018 San Sebastián Spain
- Centro de Fisica de Materiales CSIC-UPV/EHU 20018 San Sebastián Spain
| | - Alejandro Berdonces‐Layunta
- Donostia International Physics Center 20018 San Sebastián Spain
- Centro de Fisica de Materiales CSIC-UPV/EHU 20018 San Sebastián Spain
| | - Pablo Herrero
- Donostia International Physics Center 20018 San Sebastián Spain
- Centro de Fisica de Materiales CSIC-UPV/EHU 20018 San Sebastián Spain
| | - Yuuya Nagata
- Japan Institute for Chemical Reaction Design and Discovery, (WPI-ICReDD) Hokkaido University Sapporo Hokkaido 001-0021 Japan
| | - Marzena Banasiewicz
- Institute of Physics Polish Academy of Sciences Al. Lotników 32/46 02-668 Warsaw Poland
| | - Boleslaw Kozankiewicz
- Institute of Physics Polish Academy of Sciences Al. Lotników 32/46 02-668 Warsaw Poland
| | - Martina Corso
- Donostia International Physics Center 20018 San Sebastián Spain
- Centro de Fisica de Materiales CSIC-UPV/EHU 20018 San Sebastián Spain
| | - Dimas G. Oteyza
- Donostia International Physics Center 20018 San Sebastián Spain
- Centro de Fisica de Materiales CSIC-UPV/EHU 20018 San Sebastián Spain
| | - Andrej Jancarik
- Centre d'Elaboration de Matériaux et d'Etudes Structurales CEMES-CNRS 29 rue Jeanne Marvig 31055 Toulouse France
- Institute of Organic Chemistry and Biochemistry of Czech Academy of Science IOCB CAS Flemingovo nám. 542 160 00 Praha 6 Czech Republic
| | - Andre Gourdon
- Centre d'Elaboration de Matériaux et d'Etudes Structurales CEMES-CNRS 29 rue Jeanne Marvig 31055 Toulouse France
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7
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St Mary L, Trine LSD, Roper C, Wiley J, Massey Simonich SL, McCoustra M, Henry TB. Time-Related Alteration of Aqueous-Phase Anthracene and Phenanthrene Photoproducts in the Presence of TiO 2 Nanoparticles. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:3727-3735. [PMID: 33651588 PMCID: PMC9811996 DOI: 10.1021/acs.est.0c07488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) and titanium dioxide (TiO2) nanoparticles (NPs) are photoactive environmental pollutants that can contaminate aquatic environments. Aqueous-phase interactions between PAHs and TiO2-NPs are of interest due to their emerging environmental relevance, particularly with the deliberate application of TiO2-NPs to remediate pollution events (e.g., oil spills). Our objective was to investigate anthracene (ANT) and phenanthrene (PHE) photoproduct formation and transformation following ultraviolet A (UVA) irradiation in the presence and absence of TiO2-NPs. ANT and PHE solutions were prepared alone or in combination with TiO2-NPs, UVA-irradiated, and either exposed to larval zebrafish or collected for chemical analyses of diverse hydroxylated PAHs (OHPAHs) and oxygenated PAHs (OPAHs). The expression profiles of genes encoding for enzymes involved in PAH metabolism showed PAH-specific and time-dependent inductions that demonstrated changes in PAH and photoproduct bioavailability in the presence of TiO2-NPs. Chemical analyses of PAH/NP solutions in the absence of zebrafish larvae identified diverse photoproducts of differing size and ring arrangements, which suggested photodissociation, recombination, and ring re-arrangements of PAHs occurred either during or following UVA irradiation. Both ANT and PHE solutions showed heightened oxidative potential following irradiation, but TiO2-NP-related increases in oxidative potential were PAH-specific. The exploitation of multiple analytical methods provided novel insights into distinct PAH photoactivity, TiO2-NP influence on photoproduct formation in a PAH-specific manner, and the significant role time plays in photochemical processes.
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Affiliation(s)
- Lindsey St Mary
- Institute of Life and Earth Sciences, School of Energy, Geoscience, Infrastructure, and Society, Heriot-Watt University, Edinburgh EH14 4AS, U.K
| | - Lisandra S D Trine
- Department of Environmental and Molecular Toxicology, College of Agricultural Sciences, Oregon State University, Corvallis 97331, United States
| | - Courtney Roper
- Department of Environmental and Molecular Toxicology, College of Agricultural Sciences, Oregon State University, Corvallis 97331, United States
- Department of Biomolecular Sciences, University of Mississippi, University, Mississippi 38677, United States
| | - Jackson Wiley
- Department of Environmental and Molecular Toxicology, College of Agricultural Sciences, Oregon State University, Corvallis 97331, United States
| | - Staci L Massey Simonich
- Department of Environmental and Molecular Toxicology, College of Agricultural Sciences, Oregon State University, Corvallis 97331, United States
| | - Martin McCoustra
- Institute of Chemical Sciences, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, U.K
| | - Theodore B Henry
- Institute of Life and Earth Sciences, School of Energy, Geoscience, Infrastructure, and Society, Heriot-Watt University, Edinburgh EH14 4AS, U.K
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8
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Vimali E, Jayaram M, Vignesh NS, Ashokkumar B, Ganeshmoorthy I, Sivasubramanian V, Varalakshmi P. Biodegradation of Used Motor Oil and Biofuel Production by Microalgae
Coelastrella
sp. M60 and
Scenedesmus
sp. VJ1. Chem Eng Technol 2021. [DOI: 10.1002/ceat.202000494] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Elamathi Vimali
- Madurai Kamaraj University Department of Molecular Microbiology School of Biotechnology 625021 Madurai, Tamil Nadu India
| | - Moorthy Jayaram
- Madurai Kamaraj University Department of Molecular Microbiology School of Biotechnology 625021 Madurai, Tamil Nadu India
| | - Nagamalai Sakthi Vignesh
- Madurai Kamaraj University Department of Molecular Microbiology School of Biotechnology 625021 Madurai, Tamil Nadu India
| | - Balasubramaniem Ashokkumar
- Madurai Kamaraj University Department of Genetic Engineering School of Biotechnology 625021 Madurai Tamil Nadu India
| | - Innacimuthu Ganeshmoorthy
- Kamaraj College of Engineering and Technology Department of Biotechnology 625701 Vellakulam Tamil Nadu India
| | | | - Perumal Varalakshmi
- Madurai Kamaraj University Department of Molecular Microbiology School of Biotechnology 625021 Madurai, Tamil Nadu India
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Gran-Scheuch A, Ramos-Zuñiga J, Fuentes E, Bravo D, Pérez-Donoso JM. Effect of Co-contamination by PAHs and Heavy Metals on Bacterial Communities of Diesel Contaminated Soils of South Shetland Islands, Antarctica. Microorganisms 2020; 8:microorganisms8111749. [PMID: 33171767 PMCID: PMC7695015 DOI: 10.3390/microorganisms8111749] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/26/2020] [Accepted: 10/31/2020] [Indexed: 01/04/2023] Open
Abstract
Diesel oil is the main source of energy used in Antarctica. Since diesel is composed of toxic compounds such as polycyclic aromatic hydrocarbons (PAHs) and heavy metals, it represents a constant threat to the organisms inhabiting this continent. In the present study, we characterized the chemical and biological parameters of diesel-exposed soils obtained from King George Island in Antarctica. Contaminated soils present PAH concentrations 1000 times higher than non-exposed soils. Some contaminated soil samples also exhibited high concentrations of cadmium and lead. A 16S metagenome analysis revealed the effect of co-contamination on bacterial communities. An increase in the relative abundance of bacteria known as PAH degraders or metal resistant was determined in co-contaminated soils. Accordingly, the soil containing higher amounts of PAHs exhibited increased dehydrogenase activity than control soils, suggesting that the microorganisms present can metabolize diesel. The inhibitory effect on soil metabolism produced by cadmium was lower in diesel-contaminated soils. Moreover, diesel-contaminated soils contain higher amounts of cultivable heterotrophic, cadmium-tolerant, and PAH-degrading bacteria than control soils. Obtained results indicate that diesel contamination at King George island has affected microbial communities, favoring the presence of microorganisms capable of utilizing PAHs as a carbon source, even in the presence of heavy metals.
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Affiliation(s)
- Alejandro Gran-Scheuch
- BioNanotechnology and Microbiology Lab, Center for Bioinformatics and Integrative Biology (CBIB), Facultad de Ciencias de la Vida, Universidad Andres Bello, Republica # 330, Santiago 8370146, Chile; (A.G.-S.); (J.R.-Z.)
- Departamento de Química Inorgánica y Analítica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Sergio Livingstone Pohlhammer # 1007, Santiago 8380000, Chile;
| | - Javiera Ramos-Zuñiga
- BioNanotechnology and Microbiology Lab, Center for Bioinformatics and Integrative Biology (CBIB), Facultad de Ciencias de la Vida, Universidad Andres Bello, Republica # 330, Santiago 8370146, Chile; (A.G.-S.); (J.R.-Z.)
| | - Edwar Fuentes
- Departamento de Química Inorgánica y Analítica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Sergio Livingstone Pohlhammer # 1007, Santiago 8380000, Chile;
| | - Denisse Bravo
- Laboratorio de Microbiología Oral, Facultad de Odontología, Universidad de Chile, Sergio Livingstone Pohlhammer # 943, Santiago 8380453, Chile;
| | - José M. Pérez-Donoso
- BioNanotechnology and Microbiology Lab, Center for Bioinformatics and Integrative Biology (CBIB), Facultad de Ciencias de la Vida, Universidad Andres Bello, Republica # 330, Santiago 8370146, Chile; (A.G.-S.); (J.R.-Z.)
- Correspondence:
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Abstract
The availability of bound residues of polycyclic aromatic hydrocarbons (PAHs), in reference to their parent compounds, can be enhanced by microbial activity and chemical reactions, which pose severe risks for the ecosystems encompassing contaminated soils. Considerable attention has been raised on how to remove these bound residues from PAH-contaminated soils. This paper provides a novel application of Fenton oxidation in the removal of bound residues of model PAHs, such as naphthalene (NAP), acenaphthene (ACP), fluorene (FLU) and anthracene (ANT), from naturally contaminated soils. The citric acid-enhanced Fenton treatment resulted in the degradation of bound PAH residues that followed pseudo-first-order kinetics, with rate constants within 4.22 × 10−2, 1.25 × 10−1 and 2.72 × 10−1 h−1 for NAP, FLU, and ANT, respectively. The reactivity of bound PAH residues showed a correlation with their ionization potential (IP) values. Moreover, the degradation rate of bound PAH residues was significantly correlated with H2O2-Fe2+ ratio (m/m) and H2O2 concentrations. The highest removal efficiencies of bound PAH residues was up to 89.5% with the treatment of chelating agent oxalic acid, which was demonstrated to be superior to other acids, such as citric acid and hydrochloric acid. This study provides valuable insight into the feasibility of citric acid-Fenton and oxalic acid-Fenton treatments in rehabilitating bound PAH residues in contaminated soils.
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11
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Abarian M, Hassanshahian M, Badoei Dalfard A. Study the Aromatic-Degrading Bacteria from Effluents of Sarcheshmeh Copper Mine, Iran. Polycycl Aromat Compd 2018. [DOI: 10.1080/10406638.2018.1509361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Moslem Abarian
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Mehdi Hassanshahian
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Arastoo Badoei Dalfard
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, Iran
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12
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Kamikawa K, Den H, Tsurusaki A, Nagata T, Miura M. Synthesis of Substituted Helicenes by Ir-Catalyzed Annulative Coupling of Biarylcarboxylic Acid Chlorides with Alkynes. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2018. [DOI: 10.1246/bcsj.20180081] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Ken Kamikawa
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
| | - Hiroakira Den
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
| | - Akihiro Tsurusaki
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
| | - Tomoya Nagata
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Masahiro Miura
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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13
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Greish S, Rinnan Å, Marcussen H, Holm PE, Christensen JH. Interaction mechanisms between polycyclic aromatic hydrocarbons (PAHs) and organic soil washing agents. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:299-311. [PMID: 29034424 DOI: 10.1007/s11356-017-0374-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2017] [Accepted: 09/27/2017] [Indexed: 06/07/2023]
Abstract
Understanding interaction mechanisms between polycyclic aromatic hydrocarbons (PAHs) and soil-washing agents can help in choosing efficient agents which are able to desorb and solubilize PAHs. This study investigated interaction mechanisms between pyrene and four washing agents including: two dissolved organic matters (DOM) F-DOM and CRC-DOM, and two commercial bio-based surfactants BBE-1000 and Supersolv using fluorescence spectroscopy combined with multivariate curve resolution alternating regression (MCR-AR). The efficiencies of these washing agents in removing PAHs from the soil were tested in a soil washing experiment. Pyrene showed π-π interactions with F-DOM and no interaction with CRC-DOM. This could be attributed to the more aromatic structures in F-DOM compared to CRC-DOM. The two DOMs were inefficient in soil washing which might be attributed to the relatively weak effect of π-π interactions in releasing PAHs from the soil. Interaction mechanisms between pyrene and the bio-based surfactants were elucidated with MCR-AR, which resolved three spectroscopically active species from pyrene emission spectra as a function of pyrene and bio-based surfactants concentrations. These species resembled pyrene emission in a polar and nonpolar microenvironment, respectively and of an excimer. Concentration profiles retrieved by the model for the three species showed that, below the critical micelle concentration (CMC), Supersolv created more nonpolar interactions with pyrene compared to BBE-1000. In soil washing, Supersolv showed the highest efficiency in extracting PAHs from the soil. This highlighted the importance of nonpolar interactions in desorbing PAHs from soils, which could then be solubilized in micelles. This study demonstrated the potential of fluorescence spectroscopy combined with the MCR-AR model for selecting efficient soil-washing agents.
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Affiliation(s)
- Sarah Greish
- Department of Plant and Environmental Sciences Faculty of Science, University of Copenhagen, Copenhagen, Denmark.
| | - Åsmund Rinnan
- Department of Food Science, Faculty of Science, University of Copenhagen, Thorvaldsensvej 40, 1871, Frederiksberg C, Denmark
| | - Helle Marcussen
- Department of Plant and Environmental Sciences Faculty of Science, University of Copenhagen, Copenhagen, Denmark
| | - Peter E Holm
- Department of Plant and Environmental Sciences Faculty of Science, University of Copenhagen, Copenhagen, Denmark
| | - Jan H Christensen
- Department of Plant and Environmental Sciences Faculty of Science, University of Copenhagen, Copenhagen, Denmark
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14
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Affiliation(s)
- Amelia A. Fuller
- Department of Chemistry & Biochemistry, Santa Clara University, Santa Clara, CA, USA
| | - Kristiana Tenorio
- Department of Chemistry & Biochemistry, Santa Clara University, Santa Clara, CA, USA
| | - Jonathan Huber
- Department of Chemistry & Biochemistry, Santa Clara University, Santa Clara, CA, USA
| | - Samuel Hough
- Department of Chemistry & Biochemistry, Santa Clara University, Santa Clara, CA, USA
| | - Kalli M. Dowell
- Department of Chemistry & Biochemistry, Santa Clara University, Santa Clara, CA, USA
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15
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Benigni P, Sandoval K, Thompson CJ, Ridgeway ME, Park MA, Gardinali P, Fernandez-Lima F. Analysis of Photoirradiated Water Accommodated Fractions of Crude Oils Using Tandem TIMS and FT-ICR MS. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:5978-5988. [PMID: 28457132 PMCID: PMC5661887 DOI: 10.1021/acs.est.7b00508] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
For the first time, trapped ion mobility spectrometry (TIMS) in tandem with Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS) is applied to the analysis of the low energy water accommodated fraction (WAF) of a crude oil as a function of the exposure to light. The TIMS-FT-ICR MS analysis provided, in addition to the heteroatom series identification, new insights into the WAF isomeric complexity (e.g., [m/z; chemical formula; collision cross section] data sets) for a better evaluation of the degree of chemical and structural photoinduced transformations. Inspection of the [m/z; chemical formula; collision cross section] data sets shows that the WAF composition changes as a function of the exposure to light in the first 115 h by initial photosolubilization of HC components and their photo-oxidation up to O4-5 of mainly high double bond equivalence species (DBE > 9). The addition of high resolution TIMS (resolving power of 90-220) to ultrahigh resolution FT-ICR MS (resolving power over 400k) permitted the identification of a larger number of molecular components in a single analysis (e.g., over 47k using TIMS-MS compared to 12k by MS alone), with instances of over 6-fold increase in the number of molecular features per nominal mass due to the WAF isomeric complexity. This work represents a stepping stone toward a better understanding of the WAF components and highlights the need for better experimental and theoretical approaches to characterize the WAF structural diversity.
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Affiliation(s)
- Paolo Benigni
- Department of Chemistry and Biochemistry, Florida International University, Miami, FL 33199, USA
| | - Kathia Sandoval
- Department of Chemistry and Biochemistry, Florida International University, Miami, FL 33199, USA
| | | | | | - Melvin A. Park
- Bruker Daltonics, Inc., Billerica, Massachusetts 01821, USA
| | - Piero Gardinali
- Department of Chemistry and Biochemistry, Florida International University, Miami, FL 33199, USA
- Southeast Environmental Research Center, Florida International University, Miami, Florida 33199, USA
| | - Francisco Fernandez-Lima
- Department of Chemistry and Biochemistry, Florida International University, Miami, FL 33199, USA
- Biomolecular Sciences Institute, Florida International University, Miami, FL 33199
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16
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Karton A. How reliable is DFT in predicting relative energies of polycyclic aromatic hydrocarbon isomers? comparison of functionals from different rungs of jacob's ladder. J Comput Chem 2016; 38:370-382. [DOI: 10.1002/jcc.24669] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Revised: 10/21/2016] [Accepted: 10/27/2016] [Indexed: 12/14/2022]
Affiliation(s)
- Amir Karton
- School of Chemistry and BiochemistryThe University of Western AustraliaPerthWestern Australia 6009 Australia
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17
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Abou-Arab AAK. Persistence of Some Lactic Acid Bacteria As Affected By Polycyclic Aromatic Hydrocarbons. ACTA ACUST UNITED AC 2015. [DOI: 10.15406/jmen.2015.02.00062] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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18
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Librando V, Bracchitta G, de Guidi G, Minniti Z, Perrini G, Catalfo A. Photodegradation of Anthracene and Benzo[a]anthracene in Polar and Apolar Media: New Pathways of Photodegradation. Polycycl Aromat Compd 2014. [DOI: 10.1080/10406638.2014.892887] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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19
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Characteristics of Atmospheric Polycyclic Aromatic Hydrocarbons (PAHs) in Gas and Particle Phase in April and July 2011 in Beijing, China. ACTA ACUST UNITED AC 2013. [DOI: 10.4028/www.scientific.net/amr.664.99] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Presence of atmospheric PAHs in urban and suburban region (Beijing, China) was studied in April and July 2011. Forty-four pairs of gas and particle (TSP) phase samples were collected every six day by high volume (Hi-Vol) air samplers at four sampling sites, and determined separately by GC/MS based on USEPA Method TO-13A. Average total concentration (gas + particles) of PAHs (T-PAHs) was 135.1±49.0 ng/m3 and 181.2±40.9 ng/m3 in April and July, respectively. Gas phase PAHs (G-PAHs) was the major fraction, comprising 63–92% of T-PAHs. Lighter (2-, 3-, 4-ring) and heavier (5-,6-ring) PAHs were found predominantly in gas and particle phase, respectively. 2- to 6- ring PAHs contributed 10%, 53%, 26%, 7% and 4% of T-PAHs, respectively. Five major PAHs, naphthalene (NAP), fluorene (FLU), PHE, fluoranthene (FLA), and pyrene (PYR) contributed 70 – 90% of T-PAHs. G-PAHs increased significantly while PAHs in particle phase (P-PAHs) decreased from April to July. Volatilization from soil and more emission from power generation increase might explain the increase of G-PAHs, and the washout of P-PAHs along with particles might explain the decrease of P-PAHs. Given particulate organic carbon (OC) and elemental carbon (EC) being well correlated, P-PAHs was moderately correlated with OC and EC, suggesting that there were other mechanisms contributing to P-PAHs different from those of OC/EC. Significant correlation between P-PAHs with SO2 and NO2 suggested coal combustion and automobile exhaust to be contamination contributors.
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20
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Xu J, Yan J, Wang X, Yu H, Milliken T. PHOTOCHEMICAL REACTION OF CHRYSENE IN ACETONITRILE/WATER. Polycycl Aromat Compd 2004. [DOI: 10.1080/10406630490468243] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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21
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Chouai L, Wu F, Jang Y, Thummel R. Pyrene-Bridged Bis(phenanthroline) Ligands and Their Dinuclear Ruthenium(II) Complexes. Eur J Inorg Chem 2003. [DOI: 10.1002/ejic.200300031] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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22
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Yu H. Environmental carcinogenic polycyclic aromatic hydrocarbons: photochemistry and phototoxicity. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART C, ENVIRONMENTAL CARCINOGENESIS & ECOTOXICOLOGY REVIEWS 2002; 20:149-83. [PMID: 12515673 PMCID: PMC3812823 DOI: 10.1081/gnc-120016203] [Citation(s) in RCA: 219] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are a class of environmental contaminants that has long been of interest in the fields of organic chemistry, theoretical chemistry, physical chemistry, environmental science, toxicology, cancer research, and energy sciences. Concerning environmental science and cancer research, majority of the research has focused on the occurrence, environmental fate, degradation/remediation, chemical transformation, genotoxicity, metabolism and metabolic activation, DNA adduct formation, mutagenesis, and carcinogenesis. Although many books and reviews on these subjects have been published, PAH photochemistry and phototoxicity have received much less attention. Therefore, it is intended for this article to provide an up-to-date source of photochemical reaction, photo-transformation, and phototoxicity of PAHs and their oxygenated, nitrated, halogenated, and amino substituted derivatives on a molecular basis. A perspective for future work is also discussed.
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Affiliation(s)
- Hongtao Yu
- Department of Chemistry, Jackson State University, Jackson, MS 39217, USA.
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23
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Pogantsch A, Heimel G, Zojer E. Quantitative prediction of optical excitations in conjugated organic oligomers: A density functional theory study. J Chem Phys 2002. [DOI: 10.1063/1.1502244] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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24
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Patra D, Mishra AK. Determination of Quenching Inhibition Factor and Selective Fluorescence Quenching Study of Perylene, Pyrene and Fluoranthene in Micelle by Cetyl Pyridinium Chloride as a Hydrophobic Quencher Molecule. Polycycl Aromat Compd 2001. [DOI: 10.1080/10406630108233815] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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