Microspheres

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Biodegradable polymeric microspheres, which are considered as miniature time release capsules receive tremendous attention in novel drug delivery systems and their development have been focused by many pharmaceutical and biotechnology industries to achieve improved platforms for their large scale production.

This figure mentions Scanning Electron Microscopy (SEM) images of  Raloxifene loaded microspheres  in a needle and in suspension state uses for controlled release drug delivery.