Abstract
Many studies have investigated the biocidal properties of Graphene Oxide (GO) resulting in different possible explanations behind these effects.Possibly, the orientation of GO sheets can result in more exposed carboxyl groups or the edges of the sheets acting as sharp corners. In this study, we use Langmuir-Blodgett trough to deposit GO on Si wafers at varied packing densities to obtain different GO morphologies on solid silicon substrates. Roughness and morphology is characterized with AFM. Then, AFM is used to study the interaction of bacterial cells with these GO substrates at single cell level.
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