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. 2018 Dec 27;24(2):021201. doi: 10.1117/1.JBO.24.2.021201

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© The Authors.

Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Fig. 1 — (a) Schematic illustration of the oxygen-sensing SMART bandage. (b) Top: oxygen-sensing SMART bandage applied to normal skin. The oxygen concentration in the tissue is high, quenching the red emission of the sensing phosphor. The film emits green color overall from the fluorescent reference dye. Bottom: oxygen-sensing SMART bandage applied to ischemic skin. The oxygen concentration in the tissue is low, the strong red emission of the sensing phosphor overcomes the green fluorescence of the reference dye. The bandage emits red color overall.