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Fig. 3. TEM images of the supramolecular polymer (a) HCDV-2CB[8] negative stained by Phosphotungstic acid and (b) PCDV-2CB[8] (40 uM) in water; DLS results of (c) HCDV-2CB[8] and (d) PCDV-2CB[8] (0.5 mM) in water.