Fig. 1: Designs of the potential carrier particles.

a Soccerball, b Sphere, c Rollingknot, d Pharmacone with their respective surface area (A) and mass per particle (M), disregarding hatching and slicing.
a Soccerball, b Sphere, c Rollingknot, d Pharmacone with their respective surface area (A) and mass per particle (M), disregarding hatching and slicing.