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. Author manuscript; available in PMC: 2011 Aug 24.
Published in final edited form as: Ann Biomed Eng. 2010 Oct 6;39(1):44–52. doi: 10.1007/s10439-010-0176-2

FIGURE 4.

FIGURE 4

RMS profilometry images for each scan performed on the thermally non-stressed (a–b) and stressed (c–d) devices. For the latter, there is higher variation in the surface features—presumably from the thermal stress fractionating the keratinized layer. With the non-stressed devices, there is little variation in the surface profiles, characteristic of the uniformity of the keratin layer on their surfaces.