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ID:
366470.1,
Fritz-Haber-Institut / Inorganic Chemistry |
Cytotoxicity and Inflammatory Potential of Soot Particles of
Low-Emission Diesel Engines |
Authors: | Su, Dang Sheng; Serafino, Annalucia; Müller, Jens-Oliver; Jentoft, Rolf E.; Schlögl, Robert; Fiorito, Silvana | Language: | English | Research Context: | environmental carbon | Date of Publication (YYYY-MM-DD): | 2008-03-01 | Title of Journal: | Environmental Science and Technology | Volume: | 42 | Issue / Number: | 5 | Start Page: | 1761 | End Page: | 1765 | Review Status: | Peer-review | Audience: | Experts Only | Abstract / Description: | We evaluated, in vitro, the inflammatory and cytotoxic potential of soot particles from current low-emission (Euro IV) diesel engines toward human peripheral blood monocytederived macrophage cells. The result is surprising. At the same mass concentration, soot particles produced under lowemission conditions exhibit amuchhigher toxic and inflammatory potential than particles from an old diesel engine operating under black smoke conditions. This effect is assigned to the defective surface structure of Euro IV diesel soot, rendering it highly active. Our findings indicate that the reduction of soot emission in terms of mass does not automatically lead to a reduction of the toxic effects toward humans when the structure and functionality of the soot is changed, and thereby the biological accessibility and inflammatory potential of soot is increased. | Free Keywords: | soot particle, EURO IV diesel engine, in vitro, cytotoxic, human cells | External Publication Status: | published | Document Type: | Article |
Communicated by: | Robert Schlögl | Affiliations: | Fritz-Haber-Institut/Inorganic Chemistry/Microstructure Fritz-Haber-Institut/Inorganic Chemistry/Inorganic Chemistry Fritz-Haber-Institut/Inorganic Chemistry/Preparation
| External Affiliations: | Institute of Neurobiology and Molecular Medicine, National Research Council (CNR), Via Fosso del Cavaliere 100, 00133 Rome, Italy
| Identifiers: | URL:http://pubs.acs.org/cgi-bin/abstract.cgi/esthag/20... [only subscribers] URL:http://dx.doi.org/10.1021/es0716554 |
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