Fig. 6From: Quantitative hypoxia mapping using a self-calibrated activatable nanoprobeNanoprobe response to the artificial tumor hypoxic environment. a Fluorescence and fluorescence ratio images of the artificial hypoxia+ and hypoxia− microenvironments. Left tumor: hypoxia+, right tumor: hypoxia−. b Quantitative analysis of I800/I680 under different artificial microenvironments, error bars, mean \(\pm\) s.d. (n = 5)Back to article page