Clearly understanding of swelling kinetics and erosion behavior of polymer can reveal drug
release mechanism and kinetics. Recently, swelling progression and mobility of water
molecule inside polymers have been investigated by several technologies, including
magnetic resonance imaging (MRI), X-ray microtomography (XμT), Fourier transform
infrared spectroscopy (FTIR), atomic force microscopy (AFM), fluorescent, texture analyzer,
and ultrasound techniques. Each technique offers its own advantages which suit to different …