photosensitizer

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photosensitizer

[¦fōd·ō′sen·sə‚tīz·ər]
(physical chemistry)
A light-absorbing substance that initiates a photochemical or photophysical reaction in another substance (molecule), and is not consumed in the reaction.
References in periodicals archive ?
This database includes reactions of many compounds of industrial and biochemical interest, such as antioxidants, vitamins, dyes, photosensitizers, radiosensitizers, radioprotectors, amino acids, and enzymes; and provides kinetic information on many unstable species of physiological and atmospheric importance.
The time between administration of the drug and optimal tumor retention varies among photosensitizers from a few hours to a few days.
To further advance the novel PDT treatment, the design, synthesis and characterisation of new photosensitizers with improved efficiency and side effect profiles is needed, together with a more thorough and integrated understanding of the multitude of targets/actions so far ascribed to PDT.
The major product types in the market include drug eluting stents, infusion pumps, photosensitizers, orthopedic combination products, wound care combination products, inhalers, transdermal patches and others which include intraocular implants and drug eluting beads.
Two common photosensitizers are tolonium chloride and methylene blue.
There results exhibited that HepG2 was resistant to the phototoxic effect of these two photosensitizers with concentrations up to 4uM and light dose of 40 J/cm2 (Chi-Fung, et al.
In the opening chapter of this collection, two pharmacy professors from Charles University in Prague review the history of photodynamic therapy, its photophysical and photochemical principles, and the biological effects of the photosensitizers.
Alongside the well-established photosensitizers such as porphyrins, phtalocyanins and chlorins, hypericin is a modern anticancer drug which exhibits promising photodynamic therapeutical properties.
An example is the application of nanoparticles as photosensitizers in PDT.
Photosensitizers are chemical agents that can kill one-celled organisms when the organisms are exposed to a particular type of light.
Thus, doctors use specific photosensitizers and wavelengths of light to treat different areas of the body with PDT.
The report is titled "Drug Device Combination Products Market (Drug Eluting Stents, Infusion Pumps, Photosensitizers, Orthopedic Combination Products, Wound Care Combination Products, Inhalers, Transdermal Patches, Intraocular Implants and Drug Eluting Beads) - Global Industry Analysis, Size, Share, Growth, Trends and Forecast, 2013 - 2019 ".