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We develop a new method to prepare block copolymer vesicles with high loading capacity of drugs which can then be released in a controlled manner. The block copolymers, including PS-b-PAA, PS-b-PEO, and biocompatible PCL-b-PEO, can directly self-assemble into vesicles in aspirin and encapsulate aspirin by solvent annealing with ethanol which imparts mobility to the originally solid block copolymers...
A commercially scalable polymerized ionic liquid (PIL) pentablock terpolymer anion exchange membrane (AEM) was investigated for use in alkaline fuel cells (AFCs). The transparent, flexible AEMs exhibited hydroxide ion conductivities of 44 mS/cm at 60 °C in liquid water. AEMs demonstrated excellent alkaline chemical stability, with no change in ion conductivity after exposure to 1 M KOH solution at...
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