Optical Biomedical Diagnostics: Sensors with Optical Response Based on Two-Photon Excited Luminescent Dyes for Biomolecules Detection

<table>SPE fluorescence spectra of dyes in free state
 and in DNA
presence.</table>

Advances in Optical Technologies

Figure 2: Optical Biomedical Diagnostics: Sensors with Optical Response Based on Two-Photon Excited Luminescent Dyes for Biomolecules Detection 