ResearchArnold KristoffAugust 23, 2018biodegradable graphene, nano, nanotech, nanotechnology, 2d materials, graphene flagship, healthcare Graphene flagship tests how human enzyme can biodegrade graphene ResearchArnold KristoffAugust 23, 2018biodegradable graphene, nano, nanotech, nanotechnology, 2d materials, graphene flagship, healthcare