Surface Deposition and Coalescence and Coacervation Phase Separation Methods: In Vitro Study and Compatibility Analysis of Eudragit RS30D, Eudragit RL30D, and Carbopol-PLA Loaded Metronidazole Microspheres

Figure 5

SEM studies of metronidazole microspheres of formulation F25 prepared by coacervation phase separation method with different magnification: (a) at ×90 SEI, (b) at ×140 SEI, (c) at ×600 SEI, and (d) at ×1000 SEI.

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(b)

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