Fluorescein is a fluorophore commonly used in microscopy, in a type of dye laser as the gain medium, in forensics and serology to detect latent blood stains, and in dye tracing. Fluorescein has an absorption maximum at 494 nm and emission maximum of 521 nm (in water). Fluorescein was the first substance used to dye the river green on St. Patrick's Day in 1962.One of its mor
e recognizable uses is in the Chicago River, where fluorescein is used to dye the river green on St. Patrick's Day.Other uses of fluorescein include using it as a water-soluble dye added to rainwater in environmental testing simulations to aid in locating and analyzing any water leaks, and in Australia and New Zealand as a methylated spirit dye.
e recognizable uses is in the Chicago River, where fluorescein is used to dye the river green on St. Patrick's Day.Other uses of fluorescein include using it as a water-soluble dye added to rainwater in environmental testing simulations to aid in locating and analyzing any water leaks, and in Australia and New Zealand as a methylated spirit dye.
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