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Representative transmission electron microscopy images showing pure sphere, worm, and vesicle morphologies obtained for 0.1% w/w aqueous dispersions of PDMACx–PDAAMy diblock copolymer nano-objects at pH 2.5: (a) PDMAC68–PDAAM207; (b) PDMAC40–PDAAM99; (c) PDMAC58–PDAAM201. Phase diagram constructed for a series of PDMACx–PDAAMy diblock copolymer nano-objects. S = spheres, S + W = mixed spheres and worms, W = worms, W + V = mixed worms and vesicles and V = vesicles.
