electrospinning Technology: general issues 26 chitosan 13 History of engineering & technology 12 mechanical properties 11 Research & information: general 10 nanofibers 10 tissue engineering 10 3D printing 9 nanocomposite 8 nanocomposites 8 nanoparticles 8 biocompatibility 7 biomaterials 7 cytotoxicity 7 drug delivery 7 graphene oxide 7 hydrogel 7 surface modification 7 adsorption 6 alginate 6 antibacterial activity 6 biopolymers 6 polycaprolactone 6 wound healing 6 antibiotics 5 bacterial cellulose 5 biocomposite 5 cellulose 5 drug release 5