Research Article

Association of PLGA Microspheres to Carrier Pellets by Fluid Bed Coating: A Novel Approach towards Improving the Flowability of Microparticles

Figure 4

SEM micrographs of carrier pellets (first row) and microspheres-coated pellets (second row) at 30, 150, and 1000x magnification (first, second, and third column, respectively).