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Depletion and cluster formation in soft colloid - polymer mixtures
2005
Europhysics letters
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The dynamics of colloidal star -linear homopolymer mixtures is investigated by photon correlation spectroscopy. In dilute star solutions, osmotic forces due to the added polymers lead initially to a shrinkage of the stars and eventually, at higher polymer concentrations, to stable star clusters. Furthermore, concentrated glassy star solutions melt upon addition of small amounts of linear polymers, as manifested by the remarkable speed-up of the star selfdiffusion. Quantitative description of
doi:10.1209/epl/i2005-10283-y
fatcat:6jaqfbmt3rgyvmcunnzbruceqa