Figure 3
From: 3D Oxidized Graphene Frameworks for Efficient Nano Sieving
(a) UV-Vis spectrum of the water samples bottle for fecal pollution test for sea water and filtrate obtained from porous graphene filters. The inset shows visible color change in “Aquacheck” water testing kit (b) SEM micrograph of the porous graphene filter surface showing immobilized e-coli bacteria on the surface of the porous graphene filter.
