نتایج جستجو برای: photosensitization
تعداد نتایج: 715 فیلتر نتایج به سال:
PURPOSE Loss of vascular barrier function has been observed shortly following vascular-targeting photodynamic therapy. However, the mechanism involved in this event is still not clear, and the therapeutic implications associated with this pathophysiologic change have not been fully explored. EXPERIMENTAL DESIGN The effect of vascular-targeting photodynamic therapy on vascular barrier function...
Porphyromonas gingivalis is one of the major causative organisms of periodontitis and has been shown to be susceptible to toluidine blue-mediated photosensitization in vitro. The aims of the present study were to determine whether this technique could be used to kill the organism in the oral cavities of rats and whether this would result in a reduction in the alveolar bone loss characteristic o...
In the present study, the photochemistry of flouroquinolone antibiotic drug-besifloxacin (1) was investigated under mild conditions similar to those encountered in biological systems namely aerobic as well as an anaerobic condition with UV-A light. When besifloxacin (1) was irradiated with a high-pressure mercury lamp under aerobic conditions it afforded 7-(2-Amino-5-oxopentylamino)-8-chloro-1-...
Gas Sensors In article number 2214008, Il-Doo Kim and co-workers investigated photosensitization of the TiO2-In2O3 sensing layer to enhance NO2 detection capabilities oxides. The heterogeneous interface engineered between two dissimilar oxides improved accumulation photogenerated charge carriers, which accelerated adsorption desorption molecules. study elaborates on light-mediated modulation ox...
Gram-positive bacteria cause the majority of skin and soft tissue infections (SSTIs), resulting in the most common reason for clinic visits in the United States. Recently, it was discovered that Gram-positive pathogens use a unique heme biosynthesis pathway, which implicates this pathway as a target for development of antibacterial therapies. We report here the identification of a small-molecul...
The concept of artificial photosynthesis at a polarised liquid membrane is presented. It includes two photosystems, one at each interface for the hydrogen and oxygen evolution respectively. Both reactions involve proton coupled electron transfer reactions, and some ultrafast steps at the photosensitization stage.
This review of Photochemistry and Photobiology summarizes articles published in 2010, and highlights progress in the area of photosensitization. The synthesis of conjugated photosensitizers is an area of interest where increasing water solubility has been a goal. Targeting infrared sensitizer absorption has been another goal, and relates to the practical need of deep tissue absorption of light....
The photodynamic action of dyes upon biological systems has been reviewed by Blum (1941). Inactivation of bacteriophage by this process has been studied by Clifton (1931), Perdrau and Todd (1933), Burnet (1933), Morales (1941), and Pacheco and Morales (1941). More recently, Welsh and Adams (1954) and Yamamoto (1956, 1958) investigated the kinetics of photodynamic inactivation of coliphage. In t...
1. Lerman, S.: Lens fluorescence in aging and cataract formation, Doc. Ophthalmol. 8:241, 1976. 2. Parrish, J. A., Fitzpatrick, T. B., Tanenbaum, L., and Pathak, M. A.: Photochemotherapy of psoriasis with oral methoxsalen and longwave ultraviolet light, N. Engl. J. Med. 291: 1207, 1974. 3. Song, P. S., Mantulin, W. W., Mclnturff, D., Felkner, I. C , and Hartner, M. L.: Photoreactivity of hydrox...
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