Skip to main content
padlock icon - secure page this page is secure

Open Access Manufactured Nanoparticle Behavior and Transformations in Aquatic Systems. Importance of Natural Organic Matter

Download Article:
 Download
(PDF 433.3 kb)
 
Major concerns to elucidate the fate of nanomaterials and manufactured nanoparticles in aquatic systems are related to the lack of data on nanoparticle transformations under relevant environmental conditions. The present article discusses some of the important physicochemical processes controlling the behavior of manufactured nanoparticles in aqueous systems by focusing on their interaction with natural organic matter, which is expected to play a crucial role when adsorbing at the nanoparticle surface. The precise knowledge and consequences of such adsorption processes are important not only to predict the nanoparticle stability and dispersion state but also to evaluate their chemical reactivity and ecotoxicology. Most importantly, findings indicate that the presence of natural organic matter, at typical environmental concentrations, can induce significant disagglomeration of large nanoparticle agglomerates into small fragments. Such a result constitutes an important outcome with regard to the risk associated with the possible transformation and redispersion of large assemblies containing manufactured nanoparticles.

40 References.

No Supplementary Data.
No Article Media
No Metrics

Keywords: AGGREGATION; AQUATIC SYSTEMS; DISAGGLOMERATION; NANOPARTICLE COATING; NATURAL ORGANIC MATTER

Document Type: Research Article

Affiliations: 1: Environmental Physical Chemistry, F.-A. Forel Institute, Earth and Environmental, Sciences, Faculty of Sciences, University of Geneva, 10 route de Suisse, CH-1290 Versoix, Switzerland 2: Environmental Physical Chemistry, F.-A. Forel Institute, Earth and Environmental, Sciences, Faculty of Sciences, University of Geneva, 10 route de Suisse, CH-1290 Versoix, Switzerland. [email protected]

Publication date: November 1, 2014

More about this publication?
  • International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions

    CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.

  • Editorial Board
  • Information for Authors
  • Subscribe to this Title
  • Information for Advertisers
  • Ingenta Connect is not responsible for the content or availability of external websites
  • Access Key
  • Free content
  • Partial Free content
  • New content
  • Open access content
  • Partial Open access content
  • Subscribed content
  • Partial Subscribed content
  • Free trial content
Cookie Policy
X
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more