Fluorescence Imaging for Ultrafiltration of Individual Nanoparticles from a Colloidal Solution in Track Membranesстатья
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Дата последнего поиска статьи во внешних источниках: 26 декабря 2018 г.
Аннотация:We have used fluorescence nanoscopy for direct imaging of adsorption of individual colloidal quantum dots of diameter similar to 10 nm (spherical core/shell CdSeS/ZnS semiconductor nanocrystals, functionalized by organic oleic acid ligands) in nanopores of a nuclear filter (a polypropylene track membrane with pores of diameter similar to 500 nm). We have shown that when a colloidal toluene solution passes through the pores of the membrane, the nanoparticles are completely retained at a depth of 10 mu m