Singlet oxygen (1O2)
Biochemical requirements for singlet oxygen production by purified human myeloperoxidase
... for singlet oxygen ...the 1O2 quenchers, histidine and azide ...of 1O2 by these enzyme systems. The amount of 1O2 produced was sensitive to the conditions ...mol 1O2/mol H2O2 ...
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Dill Is an Efficient Antioxidant Against ROS Specially Singlet Oxygen in the Oleic Acid Media
... However, singlet oxygen (1O 2 ) has not radical nature and 1O 2 scavenging properties of natural antioxidants oppressed and less have been ...by 1O2 as a very reactive ROS reduced about ...Reactive ...
6
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 ...
7
Probing the reactivity of singlet oxygen with cyclic monoterpenes
... of Singlet Oxidation of ...of singlet oxygen, the introduction of oxygen atoms into monoterpenes during photo-oxidation will occur at the molecular site where the Fukui function for an ...
9
Molecular devices based on reversible singlet oxygen binding in optical and photomedical applications
... bind singlet oxygen with formation of endoperoxides, which can be released upon ...photomedicine. Singlet oxygen generation upon decomposition of endoperoxides at ambient temperatures ...
16
Generation of superoxide and singlet oxygen from α tocopherolquinone and analogues
... Φ as the intercept. Examples for PMHC-Q and perinaphthenone in methanol are shown in Figure 6, from which Φ ∞ Δ is 0.89. Our laser flash photolysis experiments show that the lifetime of the perinaphthenone triplet is ...
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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 ...
8
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 ...
12
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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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 ...
11
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 ...
6
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] ...
8
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 ...
5
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] ...
10
Reactive Oxygen Species, Oxidative stress and ROS scavenging system in plants
... cell. Singlet oxygen, Superoxide, hydroxyl and hydrogen peroxide tends to react easily with most biomolecules of the cell, causing their degradation and destruction, contributing to cellular ...
10
Expression of cercosporin toxin biosynthetic gene cluster in wild type and cercosporin deficient mutant isolates of Cercospora canescens
... with oxygen molecules via either electron or energy transfer to generate reactive oxygen species such as superoxide and singlet ...both singlet oxygen and superoxide in vitro, but the ...
18
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
<p>A multifunctional-targeted nanoagent for dual-mode image-guided therapeutic effects on ovarian cancer cells</p>
... Singlet Oxygen Sensor Green (SOSG) was purchased from Thermo Fisher Scientific (Waltham, MA, USA). Antibodies against hypoxia-inducible factor 1-alpha (HIF-1 α polyclonal, 1:500, NB100-479) were purchased ...
17
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] ...
11
Implications of Reactive Oxygen Species (ROS) in Initiating Chemical Reactions
... Reactive oxygen species (ROS) represents the collective group of an emerging class of endogenous, highly reactive, oxygen-bearing molecules formed upon incomplete reduction of molecular ...the ...
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