photosensitizer उदाहरण वाक्य

The U . S . government has approved one photosensitizer, Photofrin, made by Canada's QLT Phototherapeutics.
This compound is used in some sunscreens, but there is evidence that it acts as a photosensitizer for DNA damage.
That is, a photosensitizer and catalyst may be tethered through an organic linkage that provides for electronic communication between the species.
The photon can be absorbed directly by the reactant or by a photosensitizer, which absorbs the photon and transfers the energy to the reactant.
Photodynamic therapy ( PDT ) is a ternary treatment for cancer involving a photosensitizer, tissue oxygen, and light ( often using lasers ).

Blasting the disease site with a laser's non-burning red light makes the photosensitizer produce a toxic oxygen molecule that kills targeted cells.
Other light-based and laser therapies such as laser wound healing and rejuvenation, or intense pulsed light hair removal do not require a photosensitizer.
Conventional photodynamic therapy ( PDT ) uses a non-specific photosensitizer which can be activated by a non-ionizing light to kill cancer cells.
In fact, the wavelength of light used to active the chlorphyll-derived photosensitizer used in CLT is incapable of penetrating tissue more than several millimeters.
More specifically, phenoxyacetic acid derivatives have been shown to undergo fluorodecarboxylation when directly exposed to UV-light irradiation or via the use of a photosensitizer.