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Environ Sci Technol. 2009 Oct 1;43(19):7277-84.

Characterizing manufactured nanoparticles in the environment: multimethod determination of particle sizes.

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Département de Chimie, Université de Montréal, C.P. 6128, succursale Centre-ville, Montréal H3C 3J7, Canada.


Sizes of stabilized (24 h) nanoparticle suspensions were determined using several state-of-the-art analytical techniques (transmission electron microscopy; atomic force microscopy; dynamic light scattering; fluorescence correlation spectroscopy; nanoparticle tracking analysis; flow field flow fractionation). Theoretical and analytical considerations were evaluated, results were compared, and the advantages and limitations of the techniques were discussed. No "ideal" technique was found for characterizing manufactured nanoparticles in an environmental context as each technique had its own advantages and limitations.

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