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Sultan MB, Anik AH, Rahman MM. Emerging contaminants and their potential impacts on estuarine ecosystems: Are we aware of it? MARINE POLLUTION BULLETIN 2024; 199:115982. [PMID: 38181468 DOI: 10.1016/j.marpolbul.2023.115982] [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: 09/18/2023] [Revised: 12/21/2023] [Accepted: 12/23/2023] [Indexed: 01/07/2024]
Abstract
Emerging contaminants (ECs) are becoming more prevalent in estuaries and constitute a danger to both human health and ecosystems. These pollutants can infiltrate the ecosystem and spread throughout the food chain. Because of the diversified sources and extensive human activities, estuaries are particularly susceptible to increased pollution levels. A thorough review on recent ECs (platinum group elements, pharmaceuticals and personal care products, pesticides, siloxanes, liquid crystal monomers, cationic surfactant, antibiotic resistance genes, and microplastics) in estuaries, including their incidence, detection levels, and toxic effects, was performed. The inclusion of studies from different regions highlights the global nature of this issue, with each location having its unique set of contaminants. The diverse range of contaminants detected in estuary samples worldwide underscores the intricacy of ECs. A significant drawback is the scarcity of research on the toxic mechanisms of ECs on estuarine organisms, the prospect of unidentified ECs, warrant research scopes.
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Affiliation(s)
- Maisha Binte Sultan
- Laboratory of Environmental Health and Ecotoxicology, Department of Environmental Sciences, Jahangirnagar University, Dhaka 1342, Bangladesh; Department of Environmental Science, Bangladesh University of Professionals (BUP), Dhaka-1216, Bangladesh
| | - Amit Hasan Anik
- Department of Environmental Science, Bangladesh University of Professionals (BUP), Dhaka-1216, Bangladesh
| | - Md Mostafizur Rahman
- Laboratory of Environmental Health and Ecotoxicology, Department of Environmental Sciences, Jahangirnagar University, Dhaka 1342, Bangladesh; Department of Environmental Science, Bangladesh University of Professionals (BUP), Dhaka-1216, Bangladesh; Department of Environmental Sciences, Jahangirnagar University, Dhaka 1342, Bangladesh.
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2
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Nam-Cha SH, Domínguez-Jurado E, Tinoco-Valencia SL, Pérez-Tanoira R, Morata-Moreno N, Alfaro-Ruiza R, Lara-Sánchez A, Esteban J, Luján R, Alonso-Moreno C, Seguí P, Ocaña A, Gónzalez ÁL, Aguilera-Correa JJ, Pérez-Martínez FC, Alarcón MM. Synthesis, characterization, and antibacterial activities of a heteroscorpionate derivative platinum complex against methicillin-resistant Staphylococcus aureus. Front Cell Infect Microbiol 2023; 13:1100947. [PMID: 37051297 PMCID: PMC10083354 DOI: 10.3389/fcimb.2023.1100947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 03/10/2023] [Indexed: 03/29/2023] Open
Abstract
Staphylococcus aureus is one of the species with the greatest clinical importance and greatest impact on public health. In fact, methicillin-resistant S. aureus (MRSA) is considered a pandemic pathogen, being essential to develop effective medicines and combat its rapid spread. This study aimed to foster the translation of clinical research outcomes based on metallodrugs into clinical practice for the treatment of MRSA. Bearing in mind the promising anti-Gram-positive effect of the heteroscorpionate ligand 1,1’-(2-(4-isopropylphenyl)ethane-1,1-diyl)bis(3,5-dimethyl-1H-pyrazole) (2P), we propose the coordination of this compound to platinum as a clinical strategy with the ultimate aim of overcoming resistance in the treatment of MRSA. Therefore, the novel metallodrug 2P-Pt were synthetized, fully characterized and its antibacterial effect against the planktonic and biofilm state of S. aureus evaluated. In this sense, three different strains of S. aureus were studied, one collection strain of S. aureus sensitive to methicillin and two clinical MRSA strains. To appraise the antibacterial activity, minimum inhibitory concentration (MIC), minimum bactericidal concentration (MBC), minimum biofilm inhibitory concentration (MBIC), and minimum biofilm eradication concentration (MBEC) were determined. Moreover, successful outcomes on the development of biofilm in a wound-like medium were obtained. The mechanism of action for 2P-Pt was proposed by measuring the MIC and MBC with EDTA (cation mediated mechanism) and DMSO (exogenous oxidative stress mechanism). Moreover, to shed light on the plausible antistaphylococcal mechanism of this novel platinum agent, additional experiments using transmission electron microscopy were carried out. 2P-Pt inhibited the growth and eradicated the three strains evaluated in the planktonic state. Another point worth stressing is the inhibition in the growth of MRSA biofilm even in a wounded medium. The results of this work support this novel agent as a promising therapeutic alternative for preventing infections caused by MRSA.
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Affiliation(s)
- Syong H. Nam-Cha
- Department of Pathology, Complejo Hospitalario Universitario, Albacete, Spain
| | - Elena Domínguez-Jurado
- Departamento de Química Inorgánica, Orgánica y Bioquímica-Centro de Innovación en Química Avanzada (ORFEO-CINQA), Facultad de Farmacia, Universidad de Castilla-La Mancha, Albacete, Spain
- Unidad nanoDrug, Centro Regional de Investigación Biomédicas, Universidad de Castilla-La Mancha, Albacete, Spain
| | | | - Ramón Pérez-Tanoira
- Clinical Microbiology Department, Hospital Universitario Príncipe de Asturias, Madrid, Spain
- Biomedicine y Biotechnology Department, School of Medicine, University of Alcalá de Henares, Alcalá de Henares, Spain
| | - Noelia Morata-Moreno
- Department of Otorrinolaringology, Complejo Hospitalario Universitario, Albacete, Spain
| | - Rocío Alfaro-Ruiza
- Instituto de Investigación en Discapacidades Neurológicas (IDINE), University of Castilla-La Mancha, Albacete, Spain
| | - Agustín Lara-Sánchez
- Departamento de Química Inorgánica, Orgánica y Bioquímica-Centro de Innovación en Química Avanzada (ORFEO-CINQA), Facultad de Farmacia, Universidad de Castilla-La Mancha, Albacete, Spain
| | - Jaime Esteban
- Clinical Microbiology Department, IIS-Fundacion Jimenez Diaz-UAM, Madrid, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Rafael Luján
- Instituto de Investigación en Discapacidades Neurológicas (IDINE), University of Castilla-La Mancha, Albacete, Spain
| | - Carlos Alonso-Moreno
- Departamento de Química Inorgánica, Orgánica y Bioquímica-Centro de Innovación en Química Avanzada (ORFEO-CINQA), Facultad de Farmacia, Universidad de Castilla-La Mancha, Albacete, Spain
- Unidad nanoDrug, Centro Regional de Investigación Biomédicas, Universidad de Castilla-La Mancha, Albacete, Spain
| | - Pedro Seguí
- Department of Otorrinolaringology, Complejo Hospitalario Universitario, Albacete, Spain
- Instituto de Investigación en Discapacidades Neurológicas (IDINE), University of Castilla-La Mancha, Albacete, Spain
| | - Alberto Ocaña
- Experimental Therapeutics Unit, Hospital Clínico San Carlos, IdISSC and CIBERONC, Madrid, Spain
- Translational Research Unit, Albacete University Hospital, Albacete, Spain
| | | | - John J. Aguilera-Correa
- Clinical Microbiology Department, IIS-Fundacion Jimenez Diaz-UAM, Madrid, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
- *Correspondence: John J. Aguilera-Correa, ; Francisco C. Pérez-Martínez,
| | - Francisco C. Pérez-Martínez
- Instituto de Investigación en Discapacidades Neurológicas (IDINE), University of Castilla-La Mancha, Albacete, Spain
- Department of Nursing, University of Castilla-La Mancha, Albacete, Spain
- *Correspondence: John J. Aguilera-Correa, ; Francisco C. Pérez-Martínez,
| | - Milagros Molina Alarcón
- Instituto de Investigación en Discapacidades Neurológicas (IDINE), University of Castilla-La Mancha, Albacete, Spain
- Department of Nursing, University of Castilla-La Mancha, Albacete, Spain
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Tkachenko H, Hetmański T, Włodarkiewicz A, Jarosiewicz A, Tomin V, Kamiński P, Kurhaluk N. Ecophysiological characteristics of wintering mute swan population in anthropogenically modified environments. THE EUROPEAN ZOOLOGICAL JOURNAL 2022. [DOI: 10.1080/24750263.2022.2077995] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Affiliation(s)
- H. Tkachenko
- Department of Biology, Institute of Biology and Earth Sciences, Pomeranian University in Słupsk, Słupsk, Poland
| | - T. Hetmański
- Department of Earth Sciences, Institute of Biology and Earth Sciences, Pomeranian University in Słupsk, Słupsk, Poland
| | - A. Włodarkiewicz
- Department of Physics, Institute of Exact and Technical Sciences, Pomeranian University in Słupsk, Słupsk, Poland
| | - A. Jarosiewicz
- Department of Earth Sciences, Institute of Biology and Earth Sciences, Pomeranian University in Słupsk, Słupsk, Poland
| | - V. Tomin
- Department of Physics, Institute of Exact and Technical Sciences, Pomeranian University in Słupsk, Słupsk, Poland
| | - P. Kamiński
- Department of Medical Biology and Biochemistry, Department of Ecology and Environmental Protection, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Bydgoszcz, Poland
- Department of BiotechnologyFaculty of Biological Sciences, University of Zielona Góra, Institute of Biological Sciences, Zielona Góra, Poland
| | - N. Kurhaluk
- Department of Biology, Institute of Biology and Earth Sciences, Pomeranian University in Słupsk, Słupsk, Poland
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Distribution of Platinum and Palladium between Dissolved, Nanoparticulate, and Microparticulate Fractions of Road Dust. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27186107. [PMID: 36144840 PMCID: PMC9506131 DOI: 10.3390/molecules27186107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/15/2022] [Accepted: 09/15/2022] [Indexed: 11/17/2022]
Abstract
Ageing processes of vehicle catalytic converters inevitably lead to the release of Pt and Pd into the environment, road dust being the main sink. Though Pt and Pd are contained in catalytic converters in nanoparticulate metallic form, under environmental conditions, they can be transformed into toxic dissolved species. In the present work, the distribution of Pt and Pd between dissolved, nanoparticulate, and microparticulate fractions of Moscow road dust is assessed. The total concentrations of Pt and Pd in dust vary in the ranges 9-142 ng (mean 35) and 155-456 (mean 235) ng g-1, respectively. The nanoparticulate and dissolved species of Pt and Pd in dust were studied using single particle inductively coupled plasma mass spectrometry. The median sizes of nanoparticulate Pt and Pd were 7 and 13 nm, respectively. The nanoparticulate fraction of Pt and Pd in Moscow dust is only about 1.6-1.8%. The average contents of dissolved fraction of Pt and Pd are 10.4% and 4.1%, respectively. The major fractions of Pt and Pd (88-94%) in road dust are associated with microparticles. Although the microparticulate fractions of Pt and Pd are relatively stable, they may become dissolved under changing environmental conditions and, hence, transformed into toxic species.
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Vinayagam V, Murugan S, Kumaresan R, Narayanan M, Sillanpää M, Vo DVN, Kushwaha OS. Protein nanofibrils as versatile and sustainable adsorbents for an effective removal of heavy metals from wastewater: A review. CHEMOSPHERE 2022; 301:134635. [PMID: 35447212 DOI: 10.1016/j.chemosphere.2022.134635] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/26/2022] [Accepted: 04/13/2022] [Indexed: 06/14/2023]
Abstract
Water is a valuable natural resource, which plays a crucial role in ecological survival as well as economic progress. However, the water quality has deteriorated in recent years as a result of urbanization, industrialization and human activities due to the uncontrolled release of industrial wastes, which can be extremely carcinogenic and non-degradable, in air, water and soil bodies. Such wastes showed the presence of organic and inorganic pollutants in high dosages. Heavy metals are the most obstinate contaminants, and they can be harmful because of having a variety of detrimental consequences to the ecosystem. The existing water treatment methods in many situations may not be sustainable or effective because of their high energy requirements and ecological impacts. In this review, state-of-the-art water treatment methods for the elimination of heavy metals with the help of protein nanofibrils are covered featuring a discussion on the strategies and possibilities of developing protein nanofibrils for the active elimination of heavy metals using kitchen waste as well as residues from the cattle, agriculture, and dairy industries. Further, the emphasis has been given to their environmental sustainability and economical aspects are also discussed.
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Affiliation(s)
- Vignesh Vinayagam
- Department of Chemical Engineering, Sri Venkateswara College of Engineering, Chennai, Tamil Nadu, 602117, India
| | - Shrima Murugan
- Department of Chemical Engineering, Sri Venkateswara College of Engineering, Chennai, Tamil Nadu, 602117, India
| | - Rishikeswaran Kumaresan
- Department of Chemical Engineering, Sri Venkateswara College of Engineering, Chennai, Tamil Nadu, 602117, India
| | - Meyyappan Narayanan
- Department of Chemical Engineering, Sri Venkateswara College of Engineering, Chennai, Tamil Nadu, 602117, India
| | - Mika Sillanpää
- Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, P. O. Box 17011, Doornfontein, 2028, South Africa; Department of Biological and Chemical Engineering, Aarhus University, Nørrebrogade 44, 8000, Aarhus C, Denmark; Sustainable Membrane Technology Research Group (SMTRG), Chemical Engineering Department, Persian Gulf University, P.O. Box 75169-13817, Bushehr, Iran; Zhejiang Rongsheng Environmental Protection Paper Co. Ltd, No. 588 East Zhennan Road, Pinghu Economic Development Zone, Zhejiang, 314213, PR China
| | - Dai-Viet N Vo
- Institute of Environmental Sciences, Nguyen Tat Thanh University, Ho Chi Minh City, 755414, Viet Nam.
| | - Omkar Singh Kushwaha
- Department of Chemical Engineering, Indian Institute of Technology, Madras, Chennai, Tamil Nadu, 600036, India.
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Kelly MP, Napolitano T, Anand P, Ho JSK, Jabeen S, Kuppan J, Manir S, Holford M. Induced Disassembly of a Virus-like Particle under Physiological Conditions for Venom Peptide Delivery. Bioconjug Chem 2020; 32:111-120. [PMID: 33306347 DOI: 10.1021/acs.bioconjchem.0c00494] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Virus-like particles (VLPs) show considerable promise for the in vivo delivery of therapeutic compounds such as bioactive venom peptides. While loading and targeting protocols have been developed for numerous VLP prototypes, induced disassembly under physiological conditions of neutral pH, moderate temperature, and aqueous medium remain a challenge. Here, we implement and evaluate a general mechanism, based on ring-opening metathesis polymerization (ROMP), for controllable VLP disassembly. This mechanism is independent of cell-specific factors or the manipulation of environmental conditions such as pH and temperature that cannot be readily controlled in vivo. The ROMP substrate norbornene is covalently conjugated to surface-exposed lysine residues of a P22 bacteriophage-derived VLP, and ROMP is induced by treatment with the water-soluble ruthenium catalyst AquaMet. Disruption of the P22 shell and release of a GFP reporter is confirmed via native agarose electrophoresis, TEM, and dynamic light scattering (DLS) analyses. Our ROMP disassembly strategy does not depend on the particular structure or morphology of the P22 nanocontainer and is adaptable to other VLP prototypes for the potential delivery of venom peptides for pharmacological applications.
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Affiliation(s)
- M Patrick Kelly
- Department of Chemistry and Biochemistry, Hunter College, 695 Park Avenue, New York, New York 10065, United States.,The Ph.D. Programs in Biochemistry, Chemistry and Biology Graduate Center of the City University of New York, 365 5th Avenue, New York, New York 10016, United States
| | - Tanya Napolitano
- Department of Chemistry and Biochemistry, Hunter College, 695 Park Avenue, New York, New York 10065, United States.,The Ph.D. Programs in Biochemistry, Chemistry and Biology Graduate Center of the City University of New York, 365 5th Avenue, New York, New York 10016, United States
| | - Prachi Anand
- Department of Chemistry and Biochemistry, Hunter College, 695 Park Avenue, New York, New York 10065, United States
| | - Justin S K Ho
- Department of Chemistry and Biochemistry, Hunter College, 695 Park Avenue, New York, New York 10065, United States
| | - Shakeela Jabeen
- Department of Chemistry and Biochemistry, Hunter College, 695 Park Avenue, New York, New York 10065, United States.,The Ph.D. Programs in Biochemistry, Chemistry and Biology Graduate Center of the City University of New York, 365 5th Avenue, New York, New York 10016, United States
| | - Jessica Kuppan
- Department of Chemistry and Biochemistry, Hunter College, 695 Park Avenue, New York, New York 10065, United States
| | - Sujoy Manir
- Department of Chemistry and Biochemistry, Hunter College, 695 Park Avenue, New York, New York 10065, United States
| | - Mandë Holford
- Department of Chemistry and Biochemistry, Hunter College, 695 Park Avenue, New York, New York 10065, United States.,The Ph.D. Programs in Biochemistry, Chemistry and Biology Graduate Center of the City University of New York, 365 5th Avenue, New York, New York 10016, United States.,Department of Invertebrate Zoology, The American Museum of Natural History, New York, New York 10024, United States.,Department of Biochemistry, Weill Cornell Medicine, 413 E. 69th Street, New York, New York 10021, United States
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7
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Mosai AK, Tutu H. Recovery of platinum (IV) from aqueous solutions using 3-aminopropyl(diethoxy)methylsilane functionalized bentonite. J DISPER SCI TECHNOL 2020. [DOI: 10.1080/01932691.2020.1847659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Alseno K. Mosai
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg, South Africa
| | - Hlanganani Tutu
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg, South Africa
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9
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Matodzi V, Legodi MA, Tavengwa NT. Determination of platinum group metals in dust, water, soil and sediments in the vicinity of a cement manufacturing plant. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-2882-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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10
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Didukh-Shadrina SL, Losev VN, Maznyak NV, Trofimchuk AK. Use of Silica with Immobilized 2-Nitrozo-1-Naphthol-4-Sulfonic Acid for the Sorption–Photometric Determination of Palladium. JOURNAL OF ANALYTICAL CHEMISTRY 2019. [DOI: 10.1134/s1061934819080069] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Herce-Sesa B, López-López JA, Moreno C. Multi-elemental ionic liquid-based solvent bar micro-extraction of priority and emerging trace metallic pollutants (Cd, Ag, Pd) in natural waters. JOURNAL OF HAZARDOUS MATERIALS 2019; 370:63-69. [PMID: 29456129 DOI: 10.1016/j.jhazmat.2018.02.024] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 02/06/2018] [Accepted: 02/11/2018] [Indexed: 06/08/2023]
Abstract
Transition metals Cd, Pd and Ag are toxic even at very low concentration. Cd is considered a priority substance; while, Pd and Ag are emerging pollutants. Membrane technologies have been applied for their extraction; however, they require important amounts of reagents, time and energy. Additionally, effective reagents for metal extraction in saline natural waters are limited. In this case, hollow fiber liquid phase micro-extraction with a configuration of solvent bar (SBME) using the ionic liquid Cyphos® 101 as extractant is proposed. Optimized conditions for SBME of Cd, Ag and Pd were 50% Cyphos® 101 in the organic solution, extraction time 30 min and 800 rpm stirring rate. Leaching was in all cases lower than 0.1%. Metallic concentrations were measured by flame atomic absorption spectroscopy. The method was applied to the extraction of Ag, Cd and Pd in natural water samples. Except for waste water, Pd extraction was higher than 90% in all cases. Cd (≈100%) and Ag (93-95%) offered their best results for saline samples. Concluding, the proposed system is a low cost and green methodology that allows a simple and fast extraction of trace pollutants such as Ag, Cd and Pd in different natural waters, including highly saline samples.
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Affiliation(s)
- Belén Herce-Sesa
- Department of Analytical Chemistry, Faculty of Marine and Environmental Sciences, University of Cádiz, Puerto Real, 11510 Cádiz, Spain
| | - José A López-López
- Department of Analytical Chemistry, Faculty of Marine and Environmental Sciences, University of Cádiz, Puerto Real, 11510 Cádiz, Spain.
| | - Carlos Moreno
- Department of Analytical Chemistry, Faculty of Marine and Environmental Sciences, University of Cádiz, Puerto Real, 11510 Cádiz, Spain
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Egorova KS, Sinjushin AA, Posvyatenko AV, Eremin DB, Kashin AS, Galushko AS, Ananikov VP. Evaluation of phytotoxicity and cytotoxicity of industrial catalyst components (Fe, Cu, Ni, Rh and Pd): A case of lethal toxicity of a rhodium salt in terrestrial plants. CHEMOSPHERE 2019; 223:738-747. [PMID: 30822635 DOI: 10.1016/j.chemosphere.2019.02.043] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 02/08/2019] [Accepted: 02/09/2019] [Indexed: 06/09/2023]
Abstract
Until recently, chemical derivatives of platinum group metals have not been in a systematic direct contact with living organisms. The situation has changed dramatically due to anthropogenic activity, which has led to significant redistribution of these metals in the biosphere. Millions of modern cars are equipped with automotive catalytic converters, which contain rhodium, palladium and platinum as active elements. Everyday usage of catalytic technologies promotes the propagation of catalyst components in the environment. Nevertheless, we still have not accumulated profound information on possible ecotoxic effects of these metal pollutants. In this study, we report a case of an extraordinarily rapid development of lethal toxicity of a rhodium (III) salt in the terrestrial plants Pisum sativum, Lupinus angustifolius and Cucumis sativus. The growth stage, at which the exposure occurred, had a crucial impact on the toxicity manifestation: at earlier stages, RhCl3 killed the plants within 24 h. In contrast, the salt was relatively low-toxic in human fibroblasts. We also address phytotoxicity of other common metal pollutants, such as palladium, iron, nickel and copper, together with their cytotoxicity. None of the tested compounds exhibited phytotoxic effects comparable with that of RhCl3. These results evidence the crucial deficiency in our knowledge on environmental dangers of newly widespread metal pollutants.
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Affiliation(s)
- Ksenia S Egorova
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia.
| | - Andrey A Sinjushin
- Genetics Department, Biological Faculty, M.V. Lomonosov Moscow State University, Leninskie Gory 1/12, Moscow, 119234, Russia
| | - Alexandra V Posvyatenko
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia; Institute of Gene Biology, Russian Academy of Sciences, Vavilova Str. 34/5, Moscow, 119334, Russia; Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Health of Russian Federation, Samory Mashela Str., Moscow, 117198, Russia
| | - Dmitry B Eremin
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
| | - Alexey S Kashin
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
| | - Alexey S Galushko
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
| | - Valentine P Ananikov
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia.
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13
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Spectroscopic and Voltammetric Analysis of Platinum Group Metals in Road Dust and Roadside Soil. ENVIRONMENTS 2018. [DOI: 10.3390/environments5110120] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The emission of toxic compounds by increasing anthropogenic activities affects human health and the environment. Heavy road traffic and mining activities are the major anthropogenic activities contributing to the presence of metals in the environment. The release of palladium (Pd), platinum (Pt), and rhodium (Rh) into the environment increases the levels of contamination in soils, road sediments, airborne particles, and plants. These Pd, Pt, and Rh in road dusts can be soluble and enter aquatic environment posing a risk to environment and human health. The aim of this study is to determine the levels of Pd, Pt, and Rh with spectroscopy and voltammetric methods. Potential interferences by other metal ions (Na(I), Fe(III), Ni(II), Co(II)) in voltammetric methods have also been investigated in this study. At all the sampling sites very low concentrations of Pd, Pt, and Rh were found at levels that range from 0.48 ± 0.05 to 5.44 ± 0.11 ng/g (dry weight (d.wt)) for Pd(II), with 17.28 ± 3.12 to 81.44 ± 3.07 pg/g (d.wt) for Pt(II), and 14.34 ± 3.08 to 53.35 ± 4.07 pg/g (d.wt) for Rh(III). The instrumental limit of detection for Pd, Pt, and Rh for Inductively Coupled Plasma Quadrupole-based Mass Spectrometry (ICP-QMS) analysis was found to be 3 × 10−6 µg/g, 3 × 10−6 µg/g and 1 × 10−6 µg/g, respectively. In the case of voltammetric analysis the instrumental limit of detection for Pd(II), Pt(II), and Rh(III) for differential pulse adsorptive stripping voltammetry was found to be 7 × 10−8 µg/g, 6 × 10−8 µg/g, and 2 × 10−7 µg/g, respectively. For the sensor application, good precision was obtained due to consistently reproduced the measurements with a reproducibility of 6.31% for Pt(II), 7.58% for Pd(II), and 5.37% for Rh(III) (n = 10). The reproducibility for ICP-QMS analysis were 1.58% for Pd(II), 1.12% for Pt(II), and 1.37% for Rh(III) (n = 5). In the case of repeatability for differential pulse adsorptive stripping voltammetry (DPAdSV) and ICP-QMS, good standard deviations of 0.01 for Pd(II); 0.02 for Pt(II), 0.009 for Rh(III) and 0.011 for Pd, 0.019 for Pt and 0.013 for Rh, respectively.
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Wiseman CLS, Niu J, Levesque C, Chénier M, Rasmussen PE. An assessment of the inhalation bioaccessibility of platinum group elements in road dust using a simulated lung fluid. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 241:1009-1017. [PMID: 30029308 DOI: 10.1016/j.envpol.2018.06.043] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 06/12/2018] [Accepted: 06/14/2018] [Indexed: 06/08/2023]
Abstract
Metal enrichment of road dust is well characterized but available data on the bioaccessibility of metals in particle size fractions relevant to human respiratory health remain limited. The study goal was to investigate the bioaccessibility of platinum group elements (PGE), which are used as catalysts in automotive exhaust converters, in the inhalable fraction of road dust. Street sweepings were provided by the City of Toronto, Canada, collected as part of its Clean Roads to Clean Air program.The particle size relevance of road dust for inhalation exposures was confirmed using a laser diffraction particle size analyzer (mean Dx(50): 9.42 μm). Total PGE were determined in both bulk and inhalable fractions using nickel sulfide (NiS) fire-assay and instrumental neutron-activation analysis (INAA). PGE lung solubility was examined for the inhalable fraction using Gamble's extraction. Sample digests were co-precipitated with Te-Sn, to pre-concentrate and isolate PGE, prior to their measurement using inductively coupled plasma mass spectrometry (ICP-MS).Total PGE concentrations were enriched in the inhalable fraction of road sweepings. Geomean concentrations in the inhalable fraction were: palladium (Pd) (152 μg/kg), platinum (Pt) (55 μg/kg), rhodium (Rh) (21 μg/kg) and iridium (Ir) (0.23 μg/kg). Osmium (Os) concentrations were below the limit of detection (LOD). Bioaccessible PGEs (n = 16) using Gamble's solution were below LOD for Ir and ruthenium (Ru). For the remainder, the geomean % bioaccessibility was highest for platinum (16%), followed by rhodium (14%) and palladium (3.4%). This study provides evidence that PGE in road dust are bioaccessible in the human lung.
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Affiliation(s)
- Clare L S Wiseman
- School of the Environment, University of Toronto, Toronto, Ontario, Canada; Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada.
| | - Jianjun Niu
- Exposure and Biomonitoring Division, Environmental Health Science and Research Bureau, HECSB, Health Canada, Ottawa, ON, Canada
| | - Christine Levesque
- Exposure and Biomonitoring Division, Environmental Health Science and Research Bureau, HECSB, Health Canada, Ottawa, ON, Canada
| | - Marc Chénier
- Exposure and Biomonitoring Division, Environmental Health Science and Research Bureau, HECSB, Health Canada, Ottawa, ON, Canada
| | - Pat E Rasmussen
- Exposure and Biomonitoring Division, Environmental Health Science and Research Bureau, HECSB, Health Canada, Ottawa, ON, Canada; Department of Earth and Environmental Sciences, University of Ottawa, Ottawa, ON, Canada
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Muleja AA. Adsorption of platinum ion from "aged" aqueous solution: application and comparative study between purified MWCNTs and triphenylphosphine MWCNTs. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:20032-20047. [PMID: 29748793 DOI: 10.1007/s11356-018-2187-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Accepted: 04/30/2018] [Indexed: 06/08/2023]
Abstract
This study entails adsorption attempt of platinum ion from "aged" aqueous solution with purified multiwalled carbon nanotubes and tryphenylphosphine-linked multiwalled carbon nanotubes (1) and (2) (Tpp-MWCNTs (1) and Tpp-MWCNTs (2)). The aims were to produce and use purified MWCNTs, Tpp-MWCNTs (1) and (2) and compare their adsorption capacity. These adsorbents were characterised with SEM, FTIR, XPS, BET and zeta potential. Tpp-MWCNTs (1) and (2) differ by their atomic percentage content of phosphorus which is 0.7 and 2.6%, respectively. A commercial stock solution (1000 mg/L) of platinum was used for the batch adsorption experiments. The data revealed that the adsorption was dependent on the following parameters: pH, contact time and initial concentration. The adsorbents attained higher adsorption capacity at pH 2 with an initial concentration of 7.9 mg/L, adsorbent dose of 0.8 g/L, contact time of 60 min at room temperature (RT), whereas 48.25, 40.06 and 41.31 mg/g were adsorbed from 20 mg/L by purified MWCNTs, Tpp-MWCNTs (1) and (2), respectively. The results are quite interesting and show that purified MWCNTs are better than Tpp-MWCNTs under the experimental conditions. The data was best described by the Langmuir model and the adsorption process occurs on the surface monolayer of the adsorbents. The isotherm studies confirmed that the adsorption of platinum ion is favourable. The findings indicate that the practical adsorption of platinum ion using the adsorbents investigated is useful.
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Affiliation(s)
- Adolph Anga Muleja
- College of Science, Engineering and Technology, University of South Africa, Florida Campus, Johannesburg, 1710, South Africa.
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16
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Ecke F, Berglund ÅMM, Rodushkin I, Engström E, Pallavicini N, Sörlin D, Nyholm E, Hörnfeldt B. Seasonal shift of diet in bank voles explains trophic fate of anthropogenic osmium? THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 624:1634-1639. [PMID: 29079088 DOI: 10.1016/j.scitotenv.2017.10.056] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Revised: 10/06/2017] [Accepted: 10/07/2017] [Indexed: 06/07/2023]
Abstract
Diet shifts are common in mammals and birds, but little is known about how such shifts along the food web affect contaminant exposure. Voles are staple food for many mammalian and avian predators. There is therefore a risk of transfer of contaminants accumulated in voles within the food chain. Osmium is one of the rarest earth elements with osmium tetroxide (OsO4) as the most toxic vapor-phase airborne contaminant. Anthropogenic OsO4 accumulates in fruticose lichens that are important winter food of bank voles (Myodes glareolus). Here, we test if a) anthropogenic osmium accumulates in bank voles in winter, and b) accumulation rates and concentrations are lower in autumn when the species is mainly herbivorous. Our study, performed in a boreal forest impacted by anthropogenic osmium, supported the hypotheses for all studied tissues (kidney, liver, lung, muscle and spleen) in 50 studied bank voles. In autumn, osmium concentrations in bank voles were even partly similar to those in the graminivorous field vole (Microtus agrestis; n=14). In autumn but not in late winter/early spring, osmium concentrations were generally negatively correlated with body weight and root length of the first mandible molar, i.e. proxies of bank vole age. Identified negative correlations between organ-to-body weight ratios and osmium concentrations in late winter/early spring indicate intoxication. Our results suggest unequal accumulation risk for predators feeding on different cohorts of bank voles.
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Affiliation(s)
- Frauke Ecke
- Department of Wildlife Fish, and Environmental Studies, Swedish University of Agricultural Sciences, SE-90183 Umeå, Sweden.
| | - Åsa M M Berglund
- Department of Ecology and Environmental Science, Umeå University, SE-90187 Umeå, Sweden
| | | | - Emma Engström
- ALS Scandinavia AB, Aurorum 10, SE-97775 Luleå, Sweden
| | | | - Dieke Sörlin
- ALS Scandinavia AB, Aurorum 10, SE-97775 Luleå, Sweden
| | - Erik Nyholm
- Department of Ecology and Environmental Science, Umeå University, SE-90187 Umeå, Sweden
| | - Birger Hörnfeldt
- Department of Wildlife Fish, and Environmental Studies, Swedish University of Agricultural Sciences, SE-90183 Umeå, Sweden
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17
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Pawłowski R, Zaorska E, Staszko S, Szadkowska A. Copper(I)-catalyzed multicomponent reactions in sustainable media. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4256] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Robert Pawłowski
- Biological and Chemical Research Centre; Department of Chemistry, University of Warsaw; Żwirki i Wigury 101 02-089 Warszawa Poland
- Faculty of Chemistry; Warsaw University of Technology; Noakowskiego 3 00-664 Warsaw Poland
| | - Ewelina Zaorska
- Biological and Chemical Research Centre; Department of Chemistry, University of Warsaw; Żwirki i Wigury 101 02-089 Warszawa Poland
| | - Sebastian Staszko
- Biological and Chemical Research Centre; Department of Chemistry, University of Warsaw; Żwirki i Wigury 101 02-089 Warszawa Poland
| | - Anna Szadkowska
- Biological and Chemical Research Centre; Department of Chemistry, University of Warsaw; Żwirki i Wigury 101 02-089 Warszawa Poland
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18
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Gawrońska H, Przybysz A, Szalacha E, Pawlak K, Brama K, Miszczak A, Stankiewicz-Kosyl M, Gawroński SW. Platinum uptake, distribution and toxicity in Arabidopsis thaliana L. plants. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 147:982-989. [PMID: 29976010 DOI: 10.1016/j.ecoenv.2017.09.065] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Revised: 09/19/2017] [Accepted: 09/26/2017] [Indexed: 06/08/2023]
Abstract
Platinum (Pt) occurs at very low levels in parent rock and soils in unpolluted areas, however concentrations of this element in urban areas is steadily increasing. At the levels recorded in urban environments, Pt is not yet phytotoxic, but it already poses a threat to human health, particularly when present in airborne particulate matter. In this study an attempt was made to evaluate Pt(II) uptake, distribution and toxicity in Arabidopsis thaliana L. plants. Arabidopsis thaliana plants were hydroponically grown with increasing Pt(II) concentrations in the range of 0.025-100µM. Pt(II) was taken up by the roots and translocated to the rosette. At lower Pt(II) concentrations (≤ 2.5μM) hormesis was recorded, plant growth was stimulated, the efficiency of the photosynthetic apparatus improved and biomass accumulation increased. Higher Pt(II) concentrations were phytotoxic, causing growth inhibition, impairment of the photosynthetic apparatus, membrane injuries and a reduction in biomass accumulation. Exposure of A. thaliana to Pt(II) also resulted in an increased content of phytochelatins throughout the plant and glutathione in the rosette. Uptake and translocation of Pt(II) to harvestable organs of A. thaliana suggests that species of higher biomass accumulation from the Brassicaceae family can probably be used for the phytoextraction of Pt-polluted sites.
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Affiliation(s)
- Helena Gawrońska
- Laboratory of Basic Research in Horticulture; Faculty of Horticulture, Biotechnology and Landscape Architecture; Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland
| | - Arkadiusz Przybysz
- Laboratory of Basic Research in Horticulture; Faculty of Horticulture, Biotechnology and Landscape Architecture; Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland.
| | - Elżbieta Szalacha
- Laboratory of Basic Research in Horticulture; Faculty of Horticulture, Biotechnology and Landscape Architecture; Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland
| | - Katarzyna Pawlak
- Chair of Analytical Chemistry; Faculty of Chemistry; Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland
| | - Katarzyna Brama
- Chair of Analytical Chemistry; Faculty of Chemistry; Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland
| | - Agata Miszczak
- Chair of Analytical Chemistry; Faculty of Chemistry; Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland
| | - Marta Stankiewicz-Kosyl
- Laboratory of Basic Research in Horticulture; Faculty of Horticulture, Biotechnology and Landscape Architecture; Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland
| | - Stanisław W Gawroński
- Laboratory of Basic Research in Horticulture; Faculty of Horticulture, Biotechnology and Landscape Architecture; Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland
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19
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Pant D, Sharma V, Singh P, Kumar M, Giri A, Singh MP. Perturbations and 3R in carbon management. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:4413-4432. [PMID: 27981475 DOI: 10.1007/s11356-016-8143-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2015] [Accepted: 11/22/2016] [Indexed: 06/06/2023]
Abstract
Perturbations in various carbon pools like biological, geological, oceanic, and missing carbon sink affect its global data, which are generally neglected or ignored in routine calculations. These natural and anthropogenic events need to be considered before projecting a sustainable carbon management plan. These plans have both general and experimental aspects. General plans should focus on (a) minimizing emission; (b) maximizing environmentally sound reuse, reduce, and recycling; (c) effective treatment; and (d) converting carbon into valuable products with atom economy. Experimental carbon management plans involving various biological and chemical techniques with limitation in terms of research level and economic feasibility. Chemical options have benefits of higher productivity and wider product range, but it suffers from its higher-energy requirements and environmental unfriendliness. In contrast to this, biological options are more selective and less energy intensive, but their productivity is very low. Hence, there is a requirement of hybrid process where the benefits of both the options, i.e., biological and chemical, can be reaped. In view of above, the proposed review targets to highlight the various perturbations in the global carbon cycle and their effects; study the currently practiced options of carbon management, specifically in light of 3R principle; and propose various new hybrid methods by compatible combinations of chemical and biological processes to develop better and safer carbon management. These methods are hypothetical so they may require further research and validations but may provide a comprehensive base for developing such management methods.
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Affiliation(s)
- Deepak Pant
- School of Earth and Environmental Sciences, Central University of Himachal Pradesh, Dharamshala, Himachal Pradesh, 176215, India.
| | - Virbala Sharma
- School of Earth and Environmental Sciences, Central University of Himachal Pradesh, Dharamshala, Himachal Pradesh, 176215, India
| | - Pooja Singh
- School of Earth and Environmental Sciences, Central University of Himachal Pradesh, Dharamshala, Himachal Pradesh, 176215, India
| | - Manoj Kumar
- Indian Oil Corporation Ltd., R&D Centre, Sector-13, Faridabad, Haryana, 121007, India
| | - Anand Giri
- School of Earth and Environmental Sciences, Central University of Himachal Pradesh, Dharamshala, Himachal Pradesh, 176215, India
| | - M P Singh
- Indian Oil Corporation Ltd., R&D Centre, Sector-13, Faridabad, Haryana, 121007, India
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20
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Silwana B, Van Der Horst C, Iwuoha E, Somerset V. A brief review on recent developments of electrochemical sensors in environmental application for PGMs. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2016; 51:1233-1247. [PMID: 27715654 DOI: 10.1080/10934529.2016.1212562] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
This study offers a brief review of the latest developments and applications of electrochemical sensors for the detection of Platinum Group Metals (PGMs) using electrochemical sensors. In particular, significant advances in electrochemical sensors made over the past decade and sensing methodologies associated with the introduction of nanostructures are highlighted. Amongst a variety of detection methods that have been developed for PGMs, nanoparticles offer the unrivaled merits of high sensitivity. Rapid detection of PGMs is a key step to promote improvement of the public health and individual quality of life. Conventional methods to detect PGMs rely on time-consuming and labor intensive procedures such as extraction, isolation, enrichment, counting, etc., prior to measurement. This results in laborious sample preparation and testing over several days. This study reviewed the state-of-the-art application of nanoparticles (NPs) in electrochemical analysis of environmental pollutants. This review is intended to provide environmental scientists and engineers an overview of current rapid detection methods, a close look at the nanoparticles based electrodes and identification of knowledge gaps and future research needs. We summarize electrodes that have been used in the past for detection of PGMs. We describe several examples of applications in environmental electrochemical sensors and performance in terms of sensitivity and selectivity for all the sensors utilized for PGMs detection. NPs have promising potential to increase competitiveness of electrochemical sensors in environmental monitoring, though this review has focused mainly on sensors used in the past decade for PGMs detection. This review therefore provides a synthesis of outstanding performances in recent advances in the nanosensor application for PGMs determination.
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Affiliation(s)
- Bongiwe Silwana
- a Natural Resources and the Environment (NRE), Council for Scientific and Industrial Research (CSIR) , Stellenbosch , South Africa
- b SensorLab , Department of Chemistry , University of the Western Cape , Bellville , South Africa
| | - Charlton Van Der Horst
- a Natural Resources and the Environment (NRE), Council for Scientific and Industrial Research (CSIR) , Stellenbosch , South Africa
- b SensorLab , Department of Chemistry , University of the Western Cape , Bellville , South Africa
| | - Emmanuel Iwuoha
- b SensorLab , Department of Chemistry , University of the Western Cape , Bellville , South Africa
| | - Vernon Somerset
- a Natural Resources and the Environment (NRE), Council for Scientific and Industrial Research (CSIR) , Stellenbosch , South Africa
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21
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Egorova KS, Ananikov VP. Welche Katalysatormetalle sind harmlos, welche giftig? Vergleich der Toxizitäten von Ni-, Cu-, Fe-, Pd-, Pt-, Rh- und Au-Salzen. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201603777] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Ksenia S. Egorova
- N. D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky prospect 47 Moscow 119991 Russland
| | - Valentine P. Ananikov
- N. D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky prospect 47 Moscow 119991 Russland
- Department of Chemistry; Saint Petersburg State University; Stary Petergof 198504 Russland
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22
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Egorova KS, Ananikov VP. Which Metals are Green for Catalysis? Comparison of the Toxicities of Ni, Cu, Fe, Pd, Pt, Rh, and Au Salts. Angew Chem Int Ed Engl 2016; 55:12150-62. [PMID: 27532248 DOI: 10.1002/anie.201603777] [Citation(s) in RCA: 249] [Impact Index Per Article: 31.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Indexed: 01/01/2023]
Abstract
Environmental profiles for the selected metals were compiled on the basis of available data on their biological activities. Analysis of the profiles suggests that the concept of toxic heavy metals and safe nontoxic alternatives based on lighter metals should be re-evaluated. Comparison of the toxicological data indicates that palladium, platinum, and gold compounds, often considered heavy and toxic, may in fact be not so dangerous, whereas complexes of nickel and copper, typically assumed to be green and sustainable alternatives, may possess significant toxicities, which is also greatly affected by the solubility in water and biological fluids. It appears that the development of new catalysts and novel applications should not rely on the existing assumptions concerning toxicity/nontoxicity. Overall, the available experimental data seem insufficient for accurate evaluation of biological activity of these metals and its modulation by the ligands. Without dedicated experimental measurements for particular metal/ligand frameworks, toxicity should not be used as a "selling point" when describing new catalysts.
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Affiliation(s)
- Ksenia S Egorova
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospect 47, Moscow, 119991, Russia
| | - Valentine P Ananikov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospect 47, Moscow, 119991, Russia. .,Department of Chemistry, Saint Petersburg State University, Stary Petergof, 198504, Russia.
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Amorello D, Barreca S, Orecchio S, Ferro S. Platinum in indoor settled dust matter (homes and cars). Microchem J 2015. [DOI: 10.1016/j.microc.2015.05.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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24
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Sabbioni E, Fortaner S, Manenti S, Groppi F, Bonardi M, Bosisio S, Di Gioacchino M. The metallobiochemistry of ultratrace levels of platinum group elements in the rat. Metallomics 2015; 7:267-76. [PMID: 25561341 DOI: 10.1039/c4mt00240g] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The use of platinum, palladium and rhodium (Platinum Group Elements - PGEs) and the possibility of exposure to their ultratrace levels is increasing. In fact, the exponential development of metallic PGE-based nanoparticles (<100 nm in size) opens extraordinary perspectives in the areas of electrocatalysts and catalytic converters, magnetic nanopowders, polymer membranes, cancer therapy, coatings, plastics, nanofibres and textiles. Like other metal-based nanoparticles, exposure to PGEs nanoparticles may result in a release of ultratrace amounts of Pt, Pd, Rh ions in the body whose metabolic fate and toxicity still need to be evaluated. Furthermore, PGEs can act as allergic sensitizers by acting as haptens and inducing both type I and IV allergic reactions. In this work we studied the in vivo metabolic patterns of ultratrace levels of potent allergens and sensitizers PGE halogenated salts. (191)Pt, (103)Pd and (101m)Rh radioisotopes were prepared via cyclotron irradiation and used for radiolabelling Na2(191)PtCl4, Na2(103)PdCl4 and Na2(101m)RhCl6 salts. These anionic chlorocomplexes were intraperitoneally injected into rats (114 ng Pt kg(-1) bodyweight; 24 ng Pd kg(-1) b.w.; 16 ng Rh kg(-1) b.w.). At 16 h post-exposure, PGEs were poorly but significantly retained in all tissues analysed. Kidneys, spleen, adrenal gland, liver, pancreas and small intestine were the organs with the highest Pt, Pd, Rh concentrations. In the blood 30-35% of (103)Pd and (191)Pt and 10% of (101m)Rh were recovered in the plasma, mainly bound to albumin and to a less extent to transferrin. The hepatic and renal intracellular distribution showed the highest recovery of (191)Pt, (103)Pd and (101m)Rh in the nuclear fraction (liver) and in the cytosol (kidney). Chromatographic separation and ultrafiltration experiments on kidney and liver cytosols showed the strong ability of biochemical macromolecules to bind (191)Pt, (103)Pd and (101m)Rh, and being responsible for the retention of the three elements in the body. The link to macromolecules is the basis for the sensitizing capacity of PGEs.
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Affiliation(s)
- E Sabbioni
- Aging Research Centre (Ce.S.I.), "G. d'Annunzio- University Foundation", Via dei Vestini-21, 66100 Chieti, Italy
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25
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Ronchini M, Cherchi L, Cantamessa S, Lanfranchi M, Vianelli A, Gerola P, Berta G, Fumagalli A. Palladium uptake by Pisum sativum: partitioning and effects on growth and reproduction. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:7600-11. [PMID: 25639246 DOI: 10.1007/s11356-015-4132-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Accepted: 01/15/2015] [Indexed: 06/04/2023]
Abstract
Environmental palladium levels are increasing because of anthropogenic activities. The considerable mobility of the metal, due to solubilisation phenomena, and its known bioavailability may indicate interactions with higher organisms. The aim of the study was to determine the Pd uptake and distribution in the various organs of the higher plant Pisum sativum and the metal-induced effects on its growth and reproduction. P. sativum was grown in vermiculite with a modified Hoagland's solution of nutrients in the presence of Pd at concentrations ranging 0.10-25 mg/L. After 8-10 weeks in a controlled environment room, plants were harvested and dissected to isolate the roots, stems, leaves, pods and peas. The samples were analysed for Pd content using AAS and SEM-EDX. P. sativum absorbed Pd, supplied as K₂PdCl₄, beginning at seed germination and continuing throughout its life. Minimal doses (0.10-1.0 mg Pd/L) severely inhibited pea reproductive processes while showing a peculiar hormetic effect on root development. Pd concentrations ≥1 mg/L induced developmental delay, with late growth resumption, increased leaf biomass (up to 25%) and a 15-20% reduction of root mass. Unsuccessful repeated blossoming efforts led to misshapen pods and no seed production. Photosynthesis was also disrupted. The absorbed Pd (ca. 0.5 % of the supplied metal) was primarily fixed in the root, specifically in the cortex, reaching concentrations up to 200 μg/g. The metal moved through the stem (up to 1 μg/g) to the leaves (2 μg/g) and pods (0.3 μg/g). The presence of Pd in the pea fruits, together with established evidence of environmental Pd accumulation and bioavailability, suggests possible contamination of food plants and propagation in the food chain and must be the cause for concern.
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Affiliation(s)
- Matteo Ronchini
- Dipartimento di Scienze Teoriche e Applicate, Università degli Studi dell'Insubria, via J. H. Dunant 3, 21100, Varese, Italy
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Kamala CT, Balaram V, Satyanarayanan M, Kiran Kumar A, Subramanyam KSV. Biomonitoring of airborne platinum group elements in urban traffic police officers. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2015; 68:421-431. [PMID: 25542147 DOI: 10.1007/s00244-014-0114-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2014] [Accepted: 11/28/2014] [Indexed: 06/04/2023]
Abstract
In the present study, an attempt was made to study the levels of platinum (Pt), palladium (Pd), and rhodium (Rh) in respirable suspended particulate matter samples and respective blood samples of occupationally exposed traffic personnel in selected sites of Hyderabad city. The maximum concentration of platinum group elements in air dust samples of Hyderabad city were as follows: Pt = 1,416 µg/m(3), Pd = 1,024 µg/m(3), and Rh = 1,352 µg/m(3). The blood samples of occupationally exposed personnel of Hyderabad city showed Pt as high as 6.65, Pd as high as 2.15, and Rh as high as 4.95 µg/l. The results showed an important aspect of bioaccumulation tendency of these metals with increase in age and years of occupational exposure.
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Affiliation(s)
- C T Kamala
- CSIR - National Geophysical Research Institute, Hyderabad, 500 007, India,
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Marvá F, García-Balboa C, Baselga-Cervera B, Costas E. Rapid adaptation of some phytoplankton species to osmium as a result of spontaneous mutations. ECOTOXICOLOGY (LONDON, ENGLAND) 2014; 23:213-220. [PMID: 24357237 DOI: 10.1007/s10646-013-1164-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/12/2013] [Indexed: 06/03/2023]
Abstract
To understand the vulnerability of individual species to anthropogenic contamination, it is important to evaluate the different abilities of phytoplankton to respond to environmental changes induced by pollution. The ability of a species to adapt, rather than its initial tolerance, is the basis for survival under rapidly increasing levels of anthropogenic contamination. High doses of osmium (Os) cause massive destruction of diverse phytoplankton groups. In this study, we found that the coastal chlorophyte Tetraselmis suecica and the continental chlorophyte Dictyosphaerium chlorelloides were able to adapt to a lethal dose of Os. In these species, Os-resistant cells arose as a result of rare spontaneous mutations (at rates of approximately 10(-6) mutants per cell division) that occurred before exposure to Os. The mutants remained in the microalgal populations by means of mutation-selection balance. The huge size of phytoplankton populations ensures that there are always enough Os-resistant mutants to guarantee the survival of the population under Os pollution. In contrast, we observed that neither a haptophyte species from open ocean regions nor a cyanobacterium from continental freshwater were able to adapt to the lethal Os dose. Adaptation of phytoplankton to Os contamination is relevant because industrial activities are leading to a rapid increase in Os pollution worldwide.
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Affiliation(s)
- Fernando Marvá
- Centro de Investigación Marina de Santa Pola (CIMAR), Universidad de Alicante - Ayuntamiento de Santa Pola, 03130, Santa Pola, Alicante, Spain
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Newkirk CE, Gagnon ZE, Pavel Sizemore IE. Comparative study of hematological responses to platinum group metals, antimony and silver nanoparticles in animal models. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2014; 49:269-280. [PMID: 24279618 DOI: 10.1080/10934529.2014.846589] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Research was conducted to examine the hematological effects of heavy metals (platinum (Pt ((IV))), palladium (Pd ((II))), rhodium (Rh ((III))), antimony (Sb ((III)) and Sb ((V))), and silver nanoparticles (AgNPs)) on white blood cells in mammalian (rat) and avian (chick embryo) models. These metals are used in many everyday products and are accumulating in our environment. Six-week old Sprague-Dawley female rats were treated daily by gavage and six-day old, fertile, specific pathogen-free white leghorn strain chick embryos' eggs were injected on days 7 and 14 of incubation with 0.0, 1.0, 5.0 or 10.0 ppm concentrations of Pt ((IV)) and a platinum group metal (PGM) mix of Pt ((IV)), Pd ((II)) and Rh ((III)). Chick embryos were also tested with 1.0 or 5.0 ppm of antimony compounds (Sb ((III)) and Sb ((V))) and 0.0, 15.0, 30.0, 60.0, or 100.0 ppm of silver nanoparticles (AgNPs). After 8 weeks of treatment, blood was obtained from the rats by jugular cut down and from chick embryos on day 20 of incubation by heart puncture. Blood smears were made and stained and a differential white cell count was performed on each. Examination of the smears revealed unconventional dose responses, stimulation of the immune response, and decreases in leukocyte production with various metals and concentrations. Chick embryos responded differently than rats to Pt and the PGM mix; suggesting that species differences and/or stage of development are important components of response to heavy metals. Route of administration of the metals might also influence the response. All of the heavy metals tested affected the immune responses of the tested animals as demonstrated by changes in the types and numbers of leukocytes. Our findings warrant further research to determine the mechanism of these effects and to understand and prevent toxicological effects in humans and other living organisms.
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Affiliation(s)
- Catherine E Newkirk
- a Department of Medical Laboratory Sciences, Marist College , Poughkeepsie , New York , USA
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Wren M, Gagnon ZE. A histopathological study of Hudson River crayfish, Orconectes virilis, exposed to platinum group metals. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2014; 49:135-145. [PMID: 24171412 DOI: 10.1080/10934529.2013.838836] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Platinum group metals (PGMs), such as platinum (Pt), palladium (Pd), and rhodium (Rh), are of increasing concern due to rising anthropogenic input to aquatic systems. In this study, PGMs' effects on bioaccumulation and histopathological changes were investigated using Orconectes virilis, a native Hudson River crayfish, as a model. Organisms were exposed to varying concentrations of water-soluble PGM salts for 10 days. The following experimental treatments were established: 0.0, 1.0, 5.0, 10.0 ppm Pt(IV), 1.0 ppm Rh(III), 1.0 ppm Pd(II), and a PGM mix (1.0 ppm Pt(IV), Rh(III), Pd(II) each) dissolved in raw Hudson River water. Metal content in the tissue samples were analyzed by a Spectro Genesis ICP-OES. The relationship between Pt, Pd, and Rh concentrations in different treatments and observed behavioral changes during the experiment was analyzed through One-Way ANOVA Student-Newman-Keuls multiple comparison test (P ≤ 0.05). Paraffin sections, 6-μm-thick, were prepared in standard eosin-Y and hematoxylin-2 stain and examined for histological abnormalities within hepatopancreas, exoskeleton, brain, and ganglia tissue. Statistically significant differences in PGM bioaccumulation were observed in all organs, with highest concentrations found in the hepatopancreas, 81.68 mg g(-1) dw in 1.0 ppm Pd treatment, 20.03 mg g(-1) dw Rh in 1.0 ppm Rh treatment, and 81.58 mg g(-1) dw Pt in the 5.0 ppm Pt treatment. Pt bioaccumulation in the hepatopancreas and exoskeleton decreased at the highest Pt exposure treatment, suggesting severe structural damage to tissue. Hyper-segmentation of vacuoles and swelling of the vascular channels were observed in the hepatocyte structure of the hepatopancreas. Exoskeleton exhibited visible bands in the exocuticle indicating demineralization. Brain and ganglia demonstrated extensive vacuolization. Behavioral analysis showed an increase of maximum response intensity over the experimental period within each treatment. Bioaccumulation and cellular abnormalities observed in exposed aquatic organisms raise concern of PGM bio-magnification within the food chain and its effect on the environment and human health.
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Affiliation(s)
- Melody Wren
- a Department of Environmental Sciences , Rutgers University , New Brunswick , New Jersey , USA
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Pourreza N, Sheikhnajdi K. Application of modified multiwalled carbon nanotubes for palladium preconcentration and determination in water and soil samples by flame atomic absorption spectrometry. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2013. [DOI: 10.1007/s13738-013-0343-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Stahler AC, Monahan JL, Dagher JM, Baker JD, Markopoulos MM, Iragena DB, NeJame BM, Slaughter R, Felker D, Burggraf LW, Isaac LAC, Grossie D, Gagnon ZE, Sizemore IEP. Evaluating the abnormal ossification in tibiotarsi of developing chick embryos exposed to 1.0ppm doses of platinum group metals by spectroscopic techniques. Bone 2013; 53:421-9. [PMID: 23313279 DOI: 10.1016/j.bone.2012.12.051] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2012] [Revised: 12/07/2012] [Accepted: 12/21/2012] [Indexed: 11/18/2022]
Abstract
Platinum group metals (PGMs), i.e., palladium (Pd), platinum (Pt) and rhodium (Rh), are found at pollutant levels in the environment and are known to accumulate in plant and animal tissues. However, little is known about PGM toxicity. Our previous studies showed that chick embryos exposed to PGM concentrations of 1mL of 5.0ppm (LD50) and higher exhibited severe skeletal deformities. This work hypothesized that 1.0ppm doses of PGMs will negatively impact the mineralization process in tibiotarsi. One milliliter of 1.0ppm of Pd(II), Pt(IV), Rh(III) aqueous salt solutions and a PGM-mixture were injected into the air sac on the 7th and 14th day of incubation. Control groups with no-injection and vehicle injections were included. On the 20th day, embryos were sacrificed to analyze the PGM effects on tibiotarsi using four spectroscopic techniques. 1) Micro-Raman imaging: Hyperspectral Raman data were collected on paraffin embedded cross-sections of tibiotarsi, and processed using in-house-written MATLAB codes. Micro-Raman univariate images that were created from the ν1(PO4(3-)) integrated areas revealed anomalous mineral inclusions within the bone marrow for the PGM-mixture treatment. The age of the mineral crystals (ν(CO3(2-))/ν1(PO4(3-))) was statistically lower for all treatments when compared to controls (p≤0.05). 2) FAAS: The percent calcium content of the chemically digested tibiotarsi in the Pd and Pt groups changed by ~45% with respect to the no-injection control (16.1±0.2%). 3) Micro-XRF imaging: Abnormal calcium and phosphorus inclusions were found within the inner longitudinal sections of tibiotarsi for the PGM-mixture treatment. A clear increase in the mineral content was observed for the outer sections of the Pd treatment. 4) ICP-OES: PGM concentrations in tibiotarsi were undetectable (<5ppb). The spectroscopic techniques gave corroborating results, confirmed the hypothesis, and explained the observed pathological (skeletal developmental abnormalities) and histological changes (tibiotarsus ischemia and nuclear fragmentation in chondrocytes).
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Affiliation(s)
- Adam C Stahler
- Department of Chemistry, Wright State University, 3640 Colonel Glenn Hwy., Dayton, OH 45435, USA
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Abstract
AbstractEmissions of toxic substances such as oxides of carbon, nitrogen, sulphur, and, in addition, aromatic hydrocarbons, aldehydes and heavy metals are the most serious problem of road traffic affecting landscape. Platinum group elements (PGE), which are the main component of the catalyst, are one of the main sources of heavy metals in the environment. Here, we review the way by which emissions and forms of the emitted PGE end up in the environment especially to the soil-water-plant-animal system. The major points discussed are the following: 1) the main sources of PGE emission are automobile exhaust catalysts; 2) hospitals, where platinum is widely used to treat malignant neoplasm, and urban waste water belonging to other important sources of PGE in the environment; 3) soil is one of the most important components of the environment that may be contaminated with platinum metals; 4) phytotoxicity of PGE depends on the following conditions: the concentration of metals in the soil, time of exposure, the chemical form of metal, the chemical composition of exposed soil and plant species; 5) animals are also endangered by the increasing concentration of PGE in the environment. Moreover, we pay our attention to thiol-based mechanisms of how an organism protects itself against platinum group elements.
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Iavicoli I, Cufino V, Corbi M, Goracci M, Caredda E, Cittadini A, Bergamaschi A, Sgambato A. Rhodium and iridium salts inhibit proliferation and induce DNA damage in rat fibroblasts in vitro. Toxicol In Vitro 2012; 26:963-9. [PMID: 22521858 DOI: 10.1016/j.tiv.2012.03.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2011] [Revised: 03/19/2012] [Accepted: 03/29/2012] [Indexed: 10/28/2022]
Abstract
Environmental concentration of the platinum group elements is increased in the last years due to their use in automobile catalytic converters. Limited data are available on the effects of such elements at a cellular level and on their toxicity, especially for rhodium and iridium which have been more recently introduced in use. The toxic effects of rhodium and iridium salts were analyzed on a normal diploid rat fibroblast cell line in vitro. Both salts halted cell growth in a dose- and time-dependent fashion by inhibiting cell cycle progression, inducing apoptosis and modulating the expression of cell cycle regulatory proteins. In fact, they both caused an accumulation of cells in the G2/M phase of the cell cycle and affected the expression levels of pRb, cyclins D1 and E, p21(Waf1) and p27(Kip1). DNA strand breaks, as assessed by comet test, and an increase in the intracellular levels of reactive oxygen species also occurred in exposed cell cultures. These findings suggest a potential toxicity of both iridium and rhodium salts and emphasize the need for further studies to understand their effects at a cellular level to enable a better assessment of their toxic effects and to identify ways for their modulation and/or prevention.
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Affiliation(s)
- Ivo Iavicoli
- Institute of Occupational Medicine, Giovanni XXIII Cancer Research Center, Catholic University of Sacred Heart, Rome, Italy
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Sprauten M, Darrah TH, Peterson DR, Campbell ME, Hannigan RE, Cvancarova M, Beard C, Haugnes HS, Fosså SD, Oldenburg J, Travis LB. Impact of long-term serum platinum concentrations on neuro- and ototoxicity in Cisplatin-treated survivors of testicular cancer. J Clin Oncol 2011; 30:300-7. [PMID: 22184390 DOI: 10.1200/jco.2011.37.4025] [Citation(s) in RCA: 136] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE Cisplatin-induced neurotoxicity and ototoxicity (NTX) are important adverse effects after chemotherapy for testicular cancer (TC). Although serum platinum is measurable years after therapy, its impact on NTX has not been evaluated. PATIENTS AND METHODS In all, 169 cisplatin-treated survivors of TC provided blood samples at Survey I and reported NTX during Survey I (1998-2002) and Survey II (2007-2008). Serum platinum was quantified by inductively coupled plasma mass spectrometry. Patient-reported outcomes were evaluated with the Scale for Chemotherapy-Induced Neurotoxicity (SCIN), regarding the extent of symptom bother as 0, "not at all"; 1, "a little"; 2, "quite a bit"; or 3, "very much." Summing the six symptom scores yielded a total SCIN score of 0 to 18. Categorizing total SCIN scores into quartiles yielded similar-sized groups with increasing symptoms. Multivariate ordinal logistic regression analyses evaluated associations between NTX and long-term serum platinum levels, adjusting for cisplatin dose, dosing schedule, and age. RESULTS At Survey I, a significant four- to five-fold association with total SCIN score emerged for the highest serum platinum quartile (odds ratio [OR], 4.69; 95% CI, 1.82 to 12.08). Paresthesias and Raynaud's syndrome (hands and feet) showed significant two- to four-fold increased risks with the highest platinum quartile. At Survey II, total SCIN score remained significantly associated with the highest platinum quartile (OR, 4.28; 95% CI, 1.36 to 13.48). Paresthesias (hands and feet) and tinnitus showed significant three- to four-fold increased risks for the highest platinum quartile. Cumulative cisplatin dose was not associated with total SCIN score or individual SCIN symptoms in multivariate analyses. CONCLUSION Here we document a significant relationship between increasing levels of residual serum platinum and NTX severity after adjusting for initial cisplatin dose.
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Affiliation(s)
- Mette Sprauten
- Norwegian Radium Hospital-Oslo University Hospital, Oslo, Norway
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35
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Orecchio S, Amorello D. Platinum levels in urban soils from Palermo (Italy); Analytical method using voltammetry. Microchem J 2011. [DOI: 10.1016/j.microc.2011.05.016] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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36
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McLaughlin MP, Darrah TH, Holland PL. Palladium(II) and platinum(II) bind strongly to an engineered blue copper protein. Inorg Chem 2011; 50:11294-6. [PMID: 22026434 DOI: 10.1021/ic2017648] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Studies of palladium(II) and platinum(II) binding to well-characterized proteins contribute to understanding the influence of these metals in the environment and body. The well-characterized apoprotein of azurin has a soft-metal binding site that may be exposed to solvent by mutation of a coordinating His-117 residue to glycine (H117G). Palladium(II) and platinum(II) form strong 1:1 adducts with the apo form of H117G azurin. A combination of UV-vis, circular dichroism, and inductively coupled plasma mass spectrometry techniques suggests that the metal binds specifically at His-46 and Cys-112 of the protein.
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Affiliation(s)
- Matthew P McLaughlin
- Department of Chemistry, University of Rochester, Rochester, New York 14618, United States
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37
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Osterauer R, Fassbender C, Braunbeck T, Köhler HR. Genotoxicity of platinum in embryos of zebrafish (Danio rerio) and ramshorn snail (Marisa cornuarietis). THE SCIENCE OF THE TOTAL ENVIRONMENT 2011; 409:2114-2119. [PMID: 21420724 DOI: 10.1016/j.scitotenv.2011.01.060] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2010] [Revised: 01/28/2011] [Accepted: 01/31/2011] [Indexed: 05/30/2023]
Abstract
The metal platinum is inter alia used for industrial and medical purposes. Due to its application in automobile catalytic converters and as an anti-cancer drug, Pt enters the aquatic environment via road runoff and hospital sewage and raises concerns about its environmental impact and toxicity to organisms. Therefore, the genotoxicity of Pt at 0, 0.1, 1, 10, 50, 100 and 200μg/l PtCl(2) was tested on two freshwater organisms, zebrafish (Danio rerio) and ramshorn snail (Marisa cornuarietis) using the single cell gel electrophoresis, also called comet assay. PtCl(2) did not show any genotoxicity for D. rerio at the tested concentrations, whereas significantly elevated DNA damage was observed in M. cornuarietis at 1μg/l PtCl(2) and beyond. The results of the study suggest a high sensitivity of M. cornuarietis concerning the genotoxic impact of PtCl(2).
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Affiliation(s)
- Raphaela Osterauer
- Animal Physiological Ecology Department, University of Tübingen, Tübingen, Germany.
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Speranza A, Leopold K, Maier M, Taddei AR, Scoccianti V. Pd-nanoparticles cause increased toxicity to kiwifruit pollen compared to soluble Pd(II). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2010; 158:873-882. [PMID: 19815321 DOI: 10.1016/j.envpol.2009.09.022] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2009] [Revised: 09/10/2009] [Accepted: 09/18/2009] [Indexed: 05/28/2023]
Abstract
In the present study, endpoints including in vitro pollen performance (i.e., germination and tube growth) and lethality were used as assessments of nanotoxicity. Pollen was treated with 5-10 nm-sized Pd particles, similar to those released into the environment by catalytic car exhaust converters. Results showed Pd-nanoparticles altered kiwifruit pollen morphology and entered the grains more rapidly and to a greater extent than soluble Pd(II). At particulate Pd concentrations well below those of soluble Pd(II), pollen grains experienced rapid losses in endogenous calcium and pollen plasma membrane damage was induced. This resulted in severe inhibition and subsequent cessation of pollen tube emergence and elongation at particulate Pd concentrations as low as 0.4 mg L(-1). Particulate Pd emissions related to automobile traffic have been increasing and are accumulating in the environment. This could seriously jeopardize in vivo pollen function, with impacts at an ecosystem level.
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Affiliation(s)
- Anna Speranza
- Dipartimento di Biologia, Università di Bologna, via Irnerio 42, 40126 Bologna, Italy.
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Pelka J, Gehrke H, Esselen M, Türk M, Crone M, Bräse S, Muller T, Blank H, Send W, Zibat V, Brenner P, Schneider R, Gerthsen D, Marko D. Cellular uptake of platinum nanoparticles in human colon carcinoma cells and their impact on cellular redox systems and DNA integrity. Chem Res Toxicol 2009; 22:649-59. [PMID: 19290672 DOI: 10.1021/tx800354g] [Citation(s) in RCA: 119] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Supercritical fluid reactive deposition was used for the deposition of highly dispersed platinum nanoparticles with controllable metal content and particle size distribution on beta-cyclodextrin. The average particle size and size distribution were steered by the precursor reduction conditions, resulting in particle preparations <20, <100, and >100 nm as characterized by transmission electron microscopy and scanning electron microscopy (SEM). These particle preparations of different size distributions were used to address the question as to whether metallic platinum particles are able to invade cells of the gastrointestinal tract as exemplified for the human colon carcinoma cell line HT29 and thus affect the cellular redox status and DNA integrity. Combined focused ion beam and SEM demonstrated that platinum nanoparticles were taken up into HT29 cells in their particulate form. The chemical composition of the particles within the cells was confirmed by energy-dispersive X-ray spectroscopy. The potential influence of platinum nanoparticles on cellular redoxsystems was determined in the DCF assay, on the translocation of Nrf-2 and by monitoring the intracellular glutathione (GSH) levels. The impact on DNA integrity was investigated by single cell gel electrophoresis (comet assay) including the formation of sites sensitive to formamidopyrimidine-DNA-glycosylase. Platinum nanoparticles were found to decrease the cellular GSH level and to impair DNA integrity with a maximal effect at 1 ng/cm(2). These effects were correlated with the particle size in an inverse manner and were enhanced with increasing incubation time but appeared not to be based on the formation of reactive oxygen species.
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Affiliation(s)
- Joanna Pelka
- Institut für Angewandte Biowissenschaften, Abteilung für Lebensmitteltoxikologie, Universitt Karlsruhe (TH), Karlsruhe, Germany
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Chen C, Sedwick PN, Sharma M. Anthropogenic osmium in rain and snow reveals global-scale atmospheric contamination. Proc Natl Acad Sci U S A 2009; 106:7724-8. [PMID: 19416862 PMCID: PMC2683094 DOI: 10.1073/pnas.0811803106] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2008] [Indexed: 11/18/2022] Open
Abstract
Osmium is one of the rarer elements in seawater, with typical concentration of approximately 10 x 10(-15) g g(-1) (5.3 x 10(-14) mol kg(-1)). The osmium isotope composition ((187)Os/(188)Os ratio) of deep oceans is 1.05, reflecting a balance between inputs from continental crust (approximately 1.3) and mantle/cosmic dust (approximately 0.13). Here, we show that the (187)Os/(188)Os ratios measured in rain and snow collected around the world range from 0.16 to 0.48, much lower than expected (>1), but similar to the isotope composition of ores (approximately 0.2) that are processed to extract platinum and other metals to be used primarily in automobile catalytic converters. Present-day surface seawater has a lower (187)Os/(188)Os ratio (approximately 0.95) than deep waters, suggesting that human activities have altered the isotope composition of the world's oceans and impacted the global geochemical cycle of osmium. The contamination of the surface ocean is particularly remarkable given that osmium has few industrial uses. The pollution may increase with growing demand for platinum-based catalysts.
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Affiliation(s)
- Cynthia Chen
- Radiogenic Isotope Geochemistry Laboratory, Department of Earth Sciences, Dartmouth College, 6105 Sherman Fairchild Hall, Hanover, NH 03755; and
| | - Peter N. Sedwick
- Department of Ocean, Earth and Atmospheric Sciences, Old Dominion University, 4600 Elkhorn Avenue, Norfolk, VA 23529
| | - Mukul Sharma
- Radiogenic Isotope Geochemistry Laboratory, Department of Earth Sciences, Dartmouth College, 6105 Sherman Fairchild Hall, Hanover, NH 03755; and
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Wiseman CLS, Zereini F. Airborne particulate matter, platinum group elements and human health: a review of recent evidence. THE SCIENCE OF THE TOTAL ENVIRONMENT 2009; 407:2493-2500. [PMID: 19181366 DOI: 10.1016/j.scitotenv.2008.12.057] [Citation(s) in RCA: 110] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2008] [Revised: 12/15/2008] [Accepted: 12/22/2008] [Indexed: 05/27/2023]
Abstract
Environmental concentrations of the platinum group elements (PGE) platinum (Pt), palladium (Pd) and rhodium (Rh) have been on the rise, due largely to the use of automobile catalytic converters which employ these metals as exhaust catalysts. It has generally been assumed that the health risks associated with environmental exposures to PGE are minimal. More recent studies on PGE toxicity, environmental bioavailability and concentrations in biologically relevant media indicate however that environmental exposures to these metals may indeed pose a health risk, especially at a chronic, subclinical level. The purpose of this paper is to review the most recent evidence and provide an up-to-date assessment of the risks related to environmental exposures of PGE, particularly in airborne particulate matter (PM). This review concludes that these metals may pose a greater health risk than once thought for several reasons. First, emitted PGE may be easily mobilised and solubilised by various compounds commonly present in the environment, thereby enhancing their bioavailability. Second, PGE may be transformed into more toxic species upon uptake by organisms. The presence of chloride in lung fluids, for instance, may lead to the formation of halogenated PGE complexes that have a greater potential to induce cellular damage. Third, a significant proportion of PGE found in airborne PM is present in the fine fraction that been found to be associated with increases in morbidity and mortality. PGE are also a concern to the extent that they contribute to the suite of metals found in fine PM suspected of eliciting a variety of health effects, especially in vulnerable populations. All these factors highlight the need to monitor environmental levels of PGE and continue research on their bioavailability, behaviour, speciation and associated toxicity to enable us to better assess their potential to elicit health effects in humans.
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Is microwave digestion using TFM vessels a suitable preparation method for Pt determination in biological samples by adsorptive cathodic stripping voltammetry? Anal Chim Acta 2009; 635:53-7. [DOI: 10.1016/j.aca.2008.12.043] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2007] [Revised: 12/20/2008] [Accepted: 12/22/2008] [Indexed: 11/17/2022]
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Turner A, Price S. Bioaccessibility of platinum group elements in automotive catalytic converter particulates. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2008; 42:9443-9448. [PMID: 19174929 DOI: 10.1021/es801189q] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The bioaccessibilities of the platinum group elements (PGE): Rh, Pd, and Pt; and the catalyzator poison, Pb, have been determined in particles derived from milled automotive catalytic converters using a physiologically based extraction test (PBET) that simulates, sequentially, the chemical conditions encountered in the human stomach and intestine. PGE accessibility, relative to total metal concentration, was generally less than a few percent, but increased in the stomach with decreasing pH (from 4 to 1) and/or increasing chloride concentration, and with decreasing particle concentration. In most cases, bioaccessibility increased from the acidic stomach to the neutral, carbonate-rich intestine. Bioaccessibility of Pb displayed similar pH and particle concentration dependencies to PGE in the stomach, but this metal exhibited significantly greater mobilization (up to 80%) overall and a reduction in accessibility from the stomach to intestine. Reaction kinetics of PGE dissolution in the stomach at pH 2.5 were modeled using a combined surface reaction-diffusion controlled mechanism with rate constants of 0.068, 0.031, and 0.015 (microg L(-1))(-1) h(-1) for Rh, Pd, and Pt, respectively. For Pb, however, mobilization proceeded via a different mechanism whose time-dependence was fitted with an empirical, logarithmic equation. Overall, PGE bioaccessibility appeared to be controlled by dissolution rates of metallic nanoparticles in the stomach, and solubility and kinetic constraints on inorganic species (chlorides, hydroxychlorides, and carbanatochlorides) and undefined organic complexes formed in the simulated gastrointestinal tract. Further studies are required to elucidate any effects engendered by the long-term oral exposure of small quantities of these species.
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Affiliation(s)
- Andrew Turner
- School of Earth, Ocean, and Environmental Sciences, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK.
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Colombo C, Monhemius AJ, Plant JA. The estimation of the bioavailabilities of platinum, palladium and rhodium in vehicle exhaust catalysts and road dusts using a physiologically based extraction test. THE SCIENCE OF THE TOTAL ENVIRONMENT 2008; 389:46-51. [PMID: 17884144 DOI: 10.1016/j.scitotenv.2007.08.022] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2007] [Revised: 08/09/2007] [Accepted: 08/17/2007] [Indexed: 05/17/2023]
Abstract
Platinum group element (PGE) levels in the environment have increased following the introduction of vehicle exhaust catalysts (VECs). In order to evaluate the potential pathways of PGEs from VECs into humans, a physiologically based extraction test (PBET) was used to study the uptake of PGEs by the human digestive tract. The PBET assay was implemented in two phases, to first simulate the passage of ingested soil through the acid conditions of the stomach before it enters the near neutral conditions of the small intestine. The results showed that Pt, Pd and Rh did not undergo precipitation reaction when passing from the acid environment of the stomach to the neutral environment of the small intestine. The greatest fractions of bioavailable PGEs (up to 68%) were observed in road dust samples, possibly due to the presence of mobile PGE species formed in the roadside environment. Higher percentages of Pd and Rh were bioavailable than Pt, probably due to the differences in their mobilities and tendencies to form soluble complexes. Pt showed the highest absolute bioavailability however, due to its greater concentration in environmental samples. The solubilization of PGEs in the human digestive tract could involve the formation of PGE-chloride complexes, with perhaps increased health-hazard issues because of the known toxic and allergenic effects of these species.
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Affiliation(s)
- Claudia Colombo
- Department of Earth Science and Engineering, Royal School of Mines, Imperial College London, UK.
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Locatelli C. Voltammetric Analysis of Trace Levels of Platinum Group Metals – Principles and Applications. ELECTROANAL 2007. [DOI: 10.1002/elan.200704026] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Gagnon ZE, Patel A. Induction of metallothionein in chick embryos as a mechanism of tolerance to platinum group metal exposure. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2007; 42:381-7. [PMID: 17365305 DOI: 10.1080/10934520601144691] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Recent data show that platinum group metals (PGMs), primarily platinum (Pt), palladium (Pd) and rhodium (Rd), from automobile catalytic converters are being deposited in the environment. We investigated the PGM neurotoxicity and tolerance mechanism by induction of metallothionein (MT) in developing chick embryos. Chick embryos were injected on the 7th and 14th days of incubation with different concentrations of Pt and mixture of Pt, Pd and Rh (PGM mix) solutions. It is documented that induction of MT by zinc (Zn+2) protects against metal and non-metal hepatotoxicity. In this study the MT induction was examined through pretreatment of the two highest Pt(IV) exposure levels with exogenous Zn2+ on the 4th and 11th days of incubation. SDS-PAGE assay and digital image system were used to identify and quantify MT in homogenized brain and liver tissues. Quantitative analysis revealed an increase of MT in the 5 ppm Pt exposure as compared to controls. The 10 ppm Pt treatment was a lethal dose for exposed embryos. There was increased mortality at the 1.0 PGM mix level. The interaction of Pt, Pd and Rh in the mixture seems to favor metal accumulation and MT induction in the liver but not the brain. Pretreatment with exogenous Zn2+ increased chick survival. These results indicate that induction of MT plays a protective role against PGM toxicity. Metal analysis using atomic absorption spectrometer in graphite furnace mode (GFAAS) revealed PGM accumulation in chick embryo liver and brain tissues proportional to exposure concentration. Our results may imply that MT has an important role as a tolerance mechanism against PGM toxicity. The presence of Pt(IV) in brain tissue suggests that the undeveloped blood-brain barrier is permeable to PGMs. This raises concerns regarding the implication of these metals on neural injury.
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Affiliation(s)
- Zofia E Gagnon
- School of Science, Marist College, Poughkeepsie, NY 12601, USA.
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