Photosensitizing dyes

Definition

Dyes that absorb light energy and transfer it to another molecule, making it reactive and capable of damaging or destroying biological targets.

Etymology

From the Greek 'photos', meaning 'light', and 'sensitize', referring to the ability to make a substance more sensitive to light.

Example

Photosensitizing dyes are being investigated for their potential use in photodynamic therapy for cancer treatment.

Related Terms

• Photodynamic action
• Phototoxicity
• Light activation

Usage Notes

The effectiveness of photosensitizing dyes depends on the specific dye used, the wavelength of light, and the concentration of the dye.