Application of freeze drying in nanotechnology

Drying is an indispensable operation in the fabrication of nanosized materials. Hence, it is no surprise to find a large number of papers published in the past decade on drying and nano-related materials . Freeze drying has found application in the production of nanoparticles for electrochemical, environmental, engineered materials, and pharmaceutical industries. The retention of the homogenous properties typically found in a solution, the small size of particles produced, and the long shelf life obtained for pharmaceutical applications are the primary reasons for choosing freeze drying.