Abstract
In this study, we functionalized superaligned carbon nanotube (CNT) thin film and performed detailed analysis to characterize the surface modifications. Our results demonstrated that chemical and biochemical modification of CNT thin films significantly altered the level of hydrophilicity. We also showed that the growth of mammalian fibroblasts and pluripotent stem cells on functionalized CNT thin films were better than that on untreated CNT films. Moreover, extracellular matrix protein-conjugated CNT thin film can support pluripotent stem cell growth without feeder cells. These results suggest that once properly functionalized, CNT thin film can be a suitable scaffolding material for a broad range of mammalian cell culture. Our work provided basis for future cell/tissue engineering with this material.
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