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In this figure, 0.1 M McIlvaine buffers prepared with indicated pH ranges were treated with KeraSkin™ for (A) 30 and (B) 180 min, and cell viability was measured with an MTT assay. See Methods for detailed procedure. (C) KeraSkin™ treated with test chemicals was stained with H&E. Scale bar is 50 μm. NC; negative control (DW) with white bars, PC; positive control (5% SDS) with filled bars. McIlvaine buffers with dotted bars ** p < 0.01.
