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Twenty-four hour MTT viability assays conducted in human epidermal keratinocytes for uncoated (Al), gold-coated (Au), silicon-coated (Si), and diamond-like-carbon (DLC)-coated nanoporous alumina membranes. Si, Au, and DLC coatings were deposited on nanoporous alumina membranes using ultraviolet (wavelength = 248 nm) pulsed laser deposition.
