Abstract
Oxygen is essential in maintaining the health of skin. Each year, six million people develop chronic ischemic wounds in the United States, costing over $25billion in treatment. The measurement of skin oxygenation therefore holds great clinical value by enabling diagnosis, prevention, and treatment for such patients. The development of oxygen-sensing materials has benefited greatly from the use of micro- and nanoparticles, whose unique chemical and biological properties help improve the sensing capabilities and biocompatibility of a variety of oxygen sensors. In this chapter, the most recent advances in oxygen-sensing materials and techniques will be presented, with a focus on techniques suitable for applications in skin.
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