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Weighted displacement in μm versus frequency in Hz (top) and loss modulus as a percent (%) of the elastic modulus versus frequency for decellularized human skin determined in vitro using VOCT (bottom). Decellularized human skin is composed of primarily type I collagen fibers. Note the loss modulus of decellularized skin is very low in comparison to human skin due to the removal of proteoglycans and cells during processing.
