_:b667731466 "The specific wavelength of light emitted by a fluorescent molecule, such as a labelled probe, upon absorption of light at the (higher) excitation wavelength."^^ . _:b667731466 . _:b667731466 . _:b667731466 . _:b667731466 "web:http://www.expertglossary.com/"^^ . _:b667731466 .