Abstract

The advancement in polymer grafting has played an important role in the evolution of interpenetrating polymer network (IPN) systems. Microparticle-based interpenetrating IPN systems are important for delivering the drug at target site in a controlled manner. The improved properties of IPN microparticles such as stability, swelling ability, non-toxicity and biodegradability have gained attention in drug delivery and biomedical fields. In recent past many study reports showed that IPN-based microparticles have emerged as a drug carrier to deliver drugs at different bio-targets. Different stimuli response delivery system was also developed which can protect the drug from surrounding biological environment. The application in IPN microparticles in biomedical domain is growing. It has been successfully applied as functional tissue substitution. The notable application of IPN microparticles has been reported in the field of tissue engineering, heart valve regeneration, blood capillary regeneration and for ophthalmic implants.

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