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. Author manuscript; available in PMC: 2014 Aug 20.
Published in final edited form as: ACS Macro Lett. 2013 Aug 20;2(8):683–687. doi: 10.1021/mz400256x

FIGURE 5. Particles of polymer 1 become porous or release cargo upon UV irradiation.

FIGURE 5

a) SEM image of particles composed of polymer 1 (10 %) formulated by electrospray; b) Fluorescence quenching of Nile Red encapsulated in polymeric nanoparticles. Red diamonds, sample irradiated with UV for one minute, then maintained at 37 °C; blue squares, sample incubated at 37 °C; black triangles, particles irradiated at 800 nm at 20 °C; purple circles. particles maintained at 20 °C.