Optoelectronic device
Pasteurization
Light modulator
Heating water
Insulating material
Bioreactor
Preservative
Light emission
CMOS : http://en.wikipedia.org/wiki/CMOS
Amplification of shigella species and escherichia coli
Diagnostic test for the detection of Vibrio cholerae
Chlorinator
Valve
Retardant
Fluidization
Spectrum modulator