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Direct visualisation of micelles of Pluronic block copolymers in aqueous solution by cryo-TEM

TitleDirect visualisation of micelles of Pluronic block copolymers in aqueous solution by cryo-TEM
Publication TypeJournal Article
Year of Publication1999
AuthorsLam, YM, Grigorieff N, Goldbeck-Wood G
Refereed DesignationRefereed
JournalPhysical Chemistry Chemical Physics
Volume1
Pagination3331-3334
Date PublishedJul
ISBN Number1463-9076
Accession NumberISI:000081545400019
KeywordsSYSTEM
Abstract

Micelles formed by (ethylene oxide) (propylene oxide) (ethylene oxide) triblock copolymers (Pluronic F127 and L64) in aqueous solutions have been visualised by cryogenic transmission electron microscopy (cryo-TEM). The resolution achieved allows detailed inspection of the individual micelles, their size, shape, core-shell structure as well as long-range order. The dependence of the microstructure on the concentration of the solution as well as on the type (block sizes) of the Pluronic polymer are reported and demonstrate the sensitivity of the method to these parameters.

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