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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: Pharm Res. 2015 Jan 16;32(7):2280–2291. doi: 10.1007/s11095-015-1619-0

Fig 2. Characterization of blend particles by scanning electron microscopy (SEM).

Fig 2

SEM micrographs of the blend particles with 0, 0.1, 0.2 or 0.5 weight fraction of BMA-DMAEMAPAA tripolymer, respectively. Scale bar=500 nm.