In the last two decades there has been a growing interest in
biocompatible and biodegradable natural polymers that are being
used as scaffolds and in wound healing for tissue engineering [1].
To design soft and hard scaffolds, the main requirements are high
porosity, higher wettability, large surface area, and a microenvironment
that allows the cells to adhere, proliferate, differentiate,
and retain its phenotype [2]. It is well established that pores fibres,
which are interconnected, play an important role in cellular growth
[3]; however, with increasing porosity, an inevitable loss occurs in
the biological properties [4]. A large number of different polymers
including hydrogels polyvinyl alcohol (PVA) [5], polyacrylamide
(PAC) [6], and polyacrylic acid (PAA) [7] have been explored for
different biomaterials applications [8].