What is a photosensitizer used for?

Last Update: April 20, 2022

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Asked by: Colin Hauck IV
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Currently, photosensitizers are studied for their contributions to fields such as energy harvesting, photoredox catalysis in synthetic chemistry, and cancer treatment.

What is the purpose of photosensitizer?

Photosensitizers are molecules that can be activated by light in order to generate ROS that can damage cell structures from microorganisms or from diseased mammalian cells leading to cell death.

What is the best example of photosensitizer?

The resulting photoproducts are sometimes photosensitizers themselves. Perhaps the best known example is the formation of kynurenine from tryptophan. This is of clinical importance in cataract formation, where crosslinking between the crystallines in the lens has been shown to occur.

What is the role of photosensitizer in the photochemical reaction?

A photosensitizer is a molecule that produces a chemical change in another molecule in a photochemical process. ... Photosensitizers generally act by absorbing ultraviolet or visible region of electromagnetic radiation and transferring it to adjacent molecules.

What is photosensitizer example?

For example, Malachite Green is marketed as a photosensitizer that produces biological effects via hydroxyl radicals. ... In the Type II reaction, the transfer of energy from the photosensitizer to oxygen produces an excited singlet state of oxygen, appropriately called singlet oxygen.

Course Prof. Dr. Mariete Pereira - Photosensitizers: Synthesis and Clinical Use - 1 de 2

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