Release of an action substance
Alcohol
Silicon nitride
Protein
Monitoring contamination of water
Photoresponsive electrode
Trivalent manganese
Phenolic polymer
Polymer
Hydroxyl
Fuel cell
Rubber composition
Decomposition of cellulose fiber
http://en.wikipedia.org/wiki/Melanin
Identifying allergen
Tea
Electroluminescent element
Surface abnormality determination
Heat sensor