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Environmental & Analytical Toxicology

ISSN: 2161-0525

Open Access

Yongsheng Chen

School of Civil and Environmental Engineering, Georgia Institute of Technology,
Atlanta, Georgia 30332
Tanzania

Publications
  • Research Article
    Temperature Effect on the Aggregation Kinetics of CeO2 Nanoparticles in Monovalent and Divalent Electrolytes
    Author(s): Ying Huang, Kungang Li and Yongsheng ChenYing Huang, Kungang Li and Yongsheng Chen

    Aggregation of engineered nanoparticles (NPs) plays a crucial role in their environmental transport, fate,bioavailability and biological effects. This study investigated the temperature effect on the aggregation kinetics of CeO2 NPs in KCl and CaCl2 solutions using time-resolved dynamic light scattering. The results show that in KCl and CaCl2, the aggregation rate became faster as the temperature increased. The critical coagulation concentration (CCC) of CeO2 NPs went down from approximately 100 to 10 mM in KCl and from approximately 10 to 2 mM in CaCl2 solutions when the temperature increased from 4 to 37°C. The observations were analyzed in the framework of extended Derjaguin-Landau-Verwey-Overbeek (EDLVO) theory in order to find out the mechanisms underlying the temperature effect. Moreover, a theoretical model developed on the basis of EDLVO theory and von Smoluchowski’.. Read More»
    DOI: 10.4172/2161-0525.1000158

    Abstract PDF

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Citations: 6818

Environmental & Analytical Toxicology received 6818 citations as per Google Scholar report

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