IOP Conference Series: Materials Science and Engineering PAPER • OPEN ACCESS The influence of grafted heparin on chitosan/poly (ethylene glycol) blend membrane and it’s application for creatinine and urea transport To cite this article: Retno Ariadi Lusiana et al 2019 IOP Conf. Ser.: Mater. Sci. Eng. 509 012121 View the article online for updates and enhancements. This content was downloaded from IP address 192.227.233.191 on 21/06/2019 at 14:27