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GP-PICsomes formed via self-assembly upon the addition of equimolar amounts of GP20-PLL100 and PEG2k-PLG100. (a) SEM image of GP-PICsomes, (b) size distribution of GP-PICsomes from SEM images, (c) TEM image of GP-PICsomes, and (d) AFM image of the GP-PICsomes drop-cast from aqueous solution on the silicon wafer and their corresponding height profile.
