Development of anti-microbial polyvinylidene fluoride (PVDF) membrane using bio-based ginger extract-silica nanoparticles (GE-SiNPs) for bovine serum albumin (BSA) filtration by Afrillia Fahrina, Afrillia Fahrina, Yusuf, Mukramah, Muchtar, Syawaliah, Fitriani, Fitriani, Sri Mulyati, Sri Mulyati, Sri Aprilia, Sri Aprilia, Cut Meurah Rosnelly, Cut Meurah Rosnelly, Bilad, Muhammad Roil, Ismail, Ahmad Fauzi, Takagi, Ryosuke, Matsuyama, Hideto, Arahman, Nasrul