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This paper describes an asymmetrical flow field-flow fractionation (AF4) technique combined with a flow-through cell having a long optical path length, called a liquid waveguide capillary cell (LWCC). The performance of the AF4-LWCC system for separation and spectrophotometric detection of nanoparticles was examined using size-standard silver nanoparticles. The limit of detection for silver nanoparticles...
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