Platinum,palladium, and rhodium deposition to the Prunus laurus cerasus leaf surface as an indicator of the vehicular traffic pollution in the city of Varese area |
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Authors: | Alessandro Fumagalli Bruno Faggion Matteo Ronchini Giorgio Terzaghi Marco Lanfranchi Nicola Chirico Laura Cherchi |
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Affiliation: | 1.Dipartimento di Biologia Strutturale e Funzionale,Università dell’Insubria,Varese,Italy |
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Abstract: | Background, aim, and scope The widespread use of some platinum group elements as catalysts to minimize emission of pollutants from combustion engines produced a constantly growing increase of the concentration of these elements in the environment; their potential toxicological properties explain the increasing interest in routine easy monitoring. We have found that leaves of Prunus laurus cerasus are efficient collectors of particulate with a dimension <60–80 μm, and a simple and reliable procedure was developed to reveal traces of platinum, palladium, and rhodium released from automotive catalysts. The analysis of the dust deposited on the foliage is a direct indicator of traffic pollution. |
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