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Bacterial cells (Shewanella oneidensis MR-1) show preferential attachment to silicon nanowire arrays. Cells more frequently aligning parallel to the nanowire (A and B), rather than attaching elsewhere (C and D). A and C: fluorescence micrographs, B and D: scanning-electron-microscopy micrographs, scale bars 500 μm. Adapted with permission.[470] Copyright 2013, American Chemical Society.
