photosensitizer


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Related to photosensitizer: Photoexcitation

photosensitizer

Oncology A substance that sensitizes an organism, cell, or tissue to light; an agent used in photodynamic therapy which, when absorbed by CA cells and exposed to light, is activated, killing cancer cells. See Photodynamic therapy.

photosensitizer

(fō″tō-sĕn′sĭ-tī″zĕr)
A substance that, in combination with light, will cause a sensitivity reaction in the substance or organism.
References in periodicals archive ?
According to research data, the leading contact photosensitizers are sunscreens and topical NSAIDs (24).
Chlorophyllin e4 is a novel photosensitizer against human bladder cancer cells.
The present results showed that the efficiency of photodynamic sensitizers as insecticidal agents is affected by a variety of experimental parameters; and the first factor being photosensitizer concentration.
This effect of embelin PDT on tumor statistics also points toward the potency of embelin as a therapeutic agent against tumor, by acting as photosensitizer.
In recent years, the use of non-toxic GNPs as photosensitizer carriers in cancer targeted PDT has also been considered.
Review: Dye sensitized solar cells based on natural photosensitizers.
Photody- namic therapy with two different photosensitizers as a supple- ment to instrumentation/irrigation procedures in promoting intracanal reduction of Enterococcus faecalis.
In the early 1990s, Wilson and others studied more effective photosensitizers that enabled intraoral bacterial reduction.
They can serve as both a triplet photosensitizer and a hydrogen donor.
The exposure of the photosensitizer to light results in the formation of oxygen species, such as singlet oxygen and free radicals, causing localized photo damage and cell death.
He is varying the topical photosensitizer agent and dose, contact time, light fluence, and other factors in an effort to make a faster therapy with fewer side effects, while preserving the unmatched effectiveness.