3D structure Antibacterial Nanofibers Technology: general issues affinity adsorption alginate antibacterial activity biobased polyester catalysis cell adhesion cell culture cell viability cellulose acetate cellulose nanofiber composite polymer electrolyte cytotoxicity drug release electrospinning electrospun fiber fibroblast filter membrane fireproof folic acid graphene oxide hollow ball hybrid nanofiber in vitro study medical applications meltblown nanofiber nanofiber fabric