In this report, we synthesized layered amphiphilic dendrimer-like block copolymers containing a polystyrene core and poly( p - tert -butoxystyrene)/poly( p -hydroxylstyrene) shell (coded G4-P t BOS/G4-PHOS). The synthetic method is easy involving anionic polymerization, epoxidation, ring-opening reaction and hydrolysis reaction. The hydrolyzed G4-P t BOS was soluble in alkaline water and behaved as unimolecular micelle, as demonstrated by the results of DLS, cryo- and normal TEM, and pyrene entrapping experiment. The stability of the unimolecular micelles was investigated via ζ-potential measurements.
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Wang et al. (2016) studied this question.
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