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. Author manuscript; available in PMC: 2022 Apr 6.
Published in final edited form as: Exp Eye Res. 2014 Jun 28;125:210–216. doi: 10.1016/j.exer.2014.06.013

Fig. 1.

Fig. 1.

Scanning electron micrograph (SEM) images of brimonidine tartrate-loaded poly (lactic-co-glycolic acid) (PLGA) microspheres (BTMS). These images confirm the desired size and morphology of the BTMS, consistent with volume impedance measurements (average volume diameter = 7.46 ± 2.86 μm).