Spectroscopy Since 1975
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Time-resolved spectroscopy of phosphorescent oxygen sensors in a relevant in vitro environment for biomedical applications

This note describes how candidate materials for optical in vivo oxygen sensing were evaluated in a relevant in vitro environment through careful control and monitoring of the solution temperature and dissolved oxygen concentration. Sensor performance was characterised via changes in phosphorescence lifetime; these long lifetime materials were assessed using Multi-Channel Scaling (MCS) and a microsecond flash lamp.

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