A light source consisting of a long glass tube containing mercury in a partial vacuum. Available in many lengths and several diameters, the tube is lined with a fluorescent phosphor. When the ...

Fluorescent lamps are high-efficiency lamps that use electrical discharge through low-pressure mercury vapor to produce ultraviolet (UV) energy, which is then transformed into visible light. The UV ...

mEos2 is an example of a photoconvertible fluorescent protein that can be irreversibly switched from green to red emission upon illumination with violet light. Owing to a combination of high ...