Porous scaffolds made of chitosan, polyvinyl alcohol and hydroxyapatite were prepared via freeze-drying method. In this matter, three different volume ratios of polymer solutions (1:1, 1:3, 3:1) and ...

Poly (vinyl alcohol) (PVA) hydrogels have been chemically crosslinked using poly (ethylene glycol) diglycidyl ether (PEG-DGE) to develop a material for injectable ...

I have been doing Auto Upholstery on my own since 1980. Being self-taught from an early age. I have always been guarded to ...