Multifunctional anthraquinone-based sensors were carried out.
RBBR is used to create a UV dosimeter and O2 and ‘Consume within’ indicators.
RBBR-based sensor acts as a sunburn warning indicator for people with skin type II.
RBBR-based sensor is used as an, albeit slow, sensor for measuring ambient O2.
RBBR-based sensor is demonstrated as a possible CWI for refrigerated fresh food.