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Fig. 5 | Biological Procedures Online

Fig. 5

From: Regeneration of TiO2 Nanotube Arrays after Long-Term Cell and Tissue Culture for Multiple Use – an Environmental Scanning Electron Microscopy (ESEM) Survey of Adult Pig Retina and beyond

Fig. 5

ESEM image of O2-plasma treated cell residues after 5 min (a) and 30 min (b) and an EDX-analysis of remaining filament-like residues after 30 min (c) which shows that the debris are made of phosphorous (P) and oxygen (O) laying directly on top of the TiO2-nanotube surface (Ti + O)

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