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Elastin microstructure. Representative two-photon fluorescence (TPF) images reveal the elastin microstructure of intact porcine hearts at days 0, 3, 5, and 7 for all four decellularization conditions. Images are 1024×1024 pixels and 230×230 μm. N=8 images per condition were used for image analysis and statistics. Scale bar 50 μm. Color images available online at www.liebertpub.com/tec
