We report the manipulation of 4-5 mum diameter polymer microspheres floating in water using optical tweezers (OT) and a haptic device (i.e. force-reflecting robotic arm). Trapped microspheres are steered using the end-effector of a haptic device that is virtually coupled to an XYZ piezo-scanner controlling the movements of the fluid bed. To help with the manipulations, we first calculate a coll...

The present study was carried out to formulate and evaluate sustained release floating microspheres of Carbamazepine using ethyl cellulose as the retardant material with high entrapment efficiency and extended release. A 2 factorial design was employed in formulating the GFDDS with Polymer-to-Drug ratio (X1), Acetone-toDichloromethane ratio (X2), and Stirring Speed (X3) as Independent Variables...

the objective of this study was to formulate and evaluate the drug-polymer interaction of mefenamic acid (ma) using two polymers with different characteristics as ethylcellulose (ec) and/or cellulose acetate phthalate (cap). microspheres were prepared by the modified emulsion solvent evaporation (mese). the effect of drug-polymer interaction was studied for each of microspheres. important param...