Fig. 4From: Carbon Nanohorns Promote Maturation of Neonatal Rat Ventricular Myocytes and Inhibit Proliferation of Cardiac Fibroblasts: a Promising Scaffold for Cardiac Tissue EngineeringSpontaneous calcium transients in NRVMs cultured on CNH-Col substrates and collagen on days 5 and 7. (Top) Representative confocal laser microscopy rainbow images. (Bottom) Plots representing intracellular calcium transient changes with time. Bars = 40 μm, n = 3Back to article page