Abstract
The present study investigates the bio-activity and bio-adsorption properties of graphene family materials (GFMs) in comparison to nano-Al2O3 (12 nm, gamma phase). This is the first study that determines the type of solid adsorbent (GFMs or nano-Al2O3) preferred by living bacteria cells. The investigated GFMs were: graphene, graphene oxide (GO) and reduced graphene oxide (RGO). The SEM images indicated that bacterial preferences depended on the particular strain, the type of GFM and the composition of the suspension. Generally, bacteria preferred to colonize the GFMs surfaces in the presence of nano-Al2O3 which resulted in no changes of zeta potential (
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