singlet oxygen
Singlet Oxygen Dosimetry For Pleural Photodynamic Therapy
... as singlet oxygen in the case of type II ...reacted singlet oxygen is calculated based on the measured light fluence, photosensitizer concentration, and oxygen ...glet oxygen ...
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Molecular devices based on reversible singlet oxygen binding in optical and photomedical applications
... of singlet oxygen for biomedical ...60 Singlet oxygen releasing naphthalene endoperoxide derivatives embedded in nanoparticles were shown to induce a very strong cytocidal effect on the ...
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Biochemical requirements for singlet oxygen production by purified human myeloperoxidase
... The myeloperoxidase (MPO)-hydrogen peroxide (H2O2)-halide systems were found to produce chemiluminescence at 1,268 nm, a characteristic emission band for singlet oxygen (1O2). The emission was enhanced by a ...
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Generation of superoxide and singlet oxygen from α tocopherolquinone and analogues
... Time-resolved singlet oxygen luminescence measurements were performed with a pulsed Nd:YAG laser (Continuum Surelight II-10, 355 nm, 5 ns pulses, ~ 1 mJ at the sample) and a fast germanium photodiode ...
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BODIPY Pyrene and Perylene Dyads as Heavy Atom Free Singlet Oxygen Sensitizer
... investigated singlet oxygen generation of the dyads, which showed that using pyrene as an electron donor can provide higher Φ ∆ than previously reported ...
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Magnetic field dependence of singlet oxygen generation by nanoporous silicon
... low oxygen concentration are shown in Figure 1 (spectra were recorded at ...of oxygen but is lower in ...the oxygen concentration was high enough that PL above the threshold energy of ...for ...
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De novo generation of singlet oxygen and ammine ligands by photoactivation of a platinum anticancer complex
... of singlet oxygen, free azide, azidyl radicals, and nitrogen ...of singlet oxygen and nitrene ...of singlet oxygen in the absence of oxygen gas and the oxidative damage to ...
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Dill Is an Efficient Antioxidant Against ROS Specially Singlet Oxygen in the Oleic Acid Media
... ROS such as Hydroxyl Radicals (OH), Superoxide Anion (O 2 ), Hydrogen Peroxide (H 2 O 2 ) and singlet oxygen (1O 2 ) are inevitable results of aerobic metabolism [1]. Because of high activity of ROS lipids, ...
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Probing the reactivity of singlet oxygen with cyclic monoterpenes
... 2.2. E ff ect of Solvent on Singlet Oxidation of Cyclic Monoterpenes. This section considers the in fl uence of solvent in the relevant process involving the interaction of singlet oxygen with ...
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Proteins Needed to Activate a Transcriptional Response to the Reactive Oxygen Species Singlet Oxygen
... IMPORTANCE Oxygen serves many crucial functions on Earth; it is produced during photosynthesis and needed for other path- ...While oxygen is relatively inert, it can be converted to reactive oxygen ...
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Resonance Energy Transfer for the Donor-Acceptor Pair Auramine-Omethylene Blue and Sensitization of Singlet Oxygen
... In our previous work, we have shown that long range resonance energy transfer occurs between poor singlet oxygen sensitizers and known good sensitizers with production of singlet oxygen [r] ...
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Acclimation to Singlet Oxygen Stress in Chlamydomonas reinhardtii
... tion, the entire experiment was repeated in the dark. RB was not toxic in the dark at these concentrations (Fig. 2A, middle photo), indicating that the toxicity of the challenge was depen- FIG. 1. C. reinhardtii ...
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Photosensitization of phthalocyanine for singlet oxygen generation in photodynamic therapy applications
... The evaluated energy values of the absorption and emission for the phthalocyanine and its OMe-derivatives demonstrated that the OMe models could be safer for living systems, in which their absorption energy are taken ...
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Co enhancement of fluorescence and singlet oxygen generation by silica coated gold nanorods core shell nanoparticle
... oxygen productivity varied with the thickness difference of silica shell from 2.1 to 28.6 nm. The co-enhancement effect reached the maximum of 7-fold and 2.1-fold, respectively, when the separation distance was ...
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Ratiometric Singlet Oxygen Nano optodes and Their Use for Monitoring Photodynamic Therapy Nanoplatforms
... For ratiometric measurement, the octaethylporphine OEP dye was incorporated into the ORMOSIL nanoparticles, because of its relatively low reaction rate with lo2.Both reference and probe [r] ...
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Implications of Reactive Oxygen Species (ROS) in Initiating Chemical Reactions
... reactive oxygen species (ROS), mainly singlet ...of singlet oxygen with wastewater organic contaminants, for example, the photodegradation of Phenol and Aniline in ...
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Involvement of Reactive Oxygen Species in Sonodynamically Induced Apoptosis Using a Novel Porphyrin Derivative
... Reactive oxygen species were measured by means of ESR and spin trapping ...as singlet oxygen are important in the sonodynamic induction of ...
9
Comparative assessment of the antioxidant activity and free radical scavenging potential of different parts of Nerium indicum
... peroxynitrite, singlet oxygen and hypochlorous acid, and for phenol and flavonoid contents, lipid peroxidation inhibition, iron chelating capacity, DPPH and total antioxidant ...
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Damage to Candida albicans Hyphae and Pseudohyphae by the Myeloperoxidase System and Oxidative Products of Neutrophil Metabolism In Vitro
... Hydrogen peroxide in the presence of myeloperoxidase and a halide, and perhaps singlet oxygen, may also prove to mediate damage to hyphae by intact neutrophils inasmuch as they are produ[r] ...
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Synthesis of Acetylenic Phthalocyanine Analogues As Sensitisers for Photodynamic Therapy
... produce singlet oxygen and no singlet oxygen quantum yields can be derived from these ...generate singlet oxygen evaluated in the above experiments cannot be compared since it ...
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