The Antitumor Effect of Singlet Oxygen [PDF]
Tumor cells are protected against intercellular apoptosis-inducing signaling through expression of membrane-associated catalase and superoxide dismutase. Exogenous singlet oxygen derived from activated photosensitizers or from cold atmospheric plasma causes local inactivation of protective catalase which is followed by the generation of secondary ...
openaire +4 more sources
Several families of photosensitizers are currently being scrutinized for antimicrobial photodynamic therapy applications. Differences in physical and photochemical properties can lead to different localization patterns as well as differences in singlet ...
Arménio C. Serra+6 more
doaj +1 more source
Direct measurement of singlet oxygen produced by four chlorin-ringed chlorophyll species in acetone solution [PDF]
We developed an optical system to detect singlet oxygen produced by chlorin-ringed chlorophyll (Chl) species, i.e., Chl a, Chl b, Chl d, and di-vinyl-Chl a, with a high sensitivity and examined the relationship between molecular structures and reaction ...
Mimuro, Mamoru+2 more
core +2 more sources
On self-protecting singlets in cuprate superconductors [PDF]
The basal area (Cu-Cu grid) of the cuprate superconductors not only tends to shrink on hole doping, as expected from single electron quantum chemistry, but exhibits also an electronically incompressible "hump'' around optimum doping n_opt = 0.16.
Röhler, J.
core +2 more sources
NanoSOSG: A Nanostructured Fluorescent Probe for the Detection of Intracellular Singlet Oxygen [PDF]
A biocompatible fluorescent nanoprobe for singlet oxygen (1O2) detection in biological systems was designed, synthesized, and characterized, that circumvents many of the limitations of the molecular probe Singlet Oxygen Sensor Green® (SOSG).
Agut, Montserrat+9 more
core +4 more sources
Amplified singlet oxygen generation in metallated-porphyrin doped conjugated polymer nanoparticles [PDF]
We report on the mechanism and efficiencies of singlet oxygen O2(1Δg) generation of nanoparticles (NP) of the conjugated polymer (CP) poly(9,9-dioctylfluorene-alt-benzothiadiazole) (F8BT) doped with platinum octaethylporphyrin (PtOEP) suspended in water.
Chesta, Carlos Alberto+7 more
core +2 more sources
2-Nitrobenzaldehyde was found to efficiently block singlet oxygen generation in a series of different test samples upon exposure to UV and visible light under aerobic conditions.
Mahdi Hajimohammadi+3 more
doaj +1 more source
Bactericidal action of photogenerated singlet oxygen from photosensitizers used in plaque disclosing agents. [PDF]
BACKGROUND: Photodynamic therapy (PDT) has been suggested as an efficient clinical approach for the treatment of dental plaque in the field of dental care.
Kirika Ishiyama+6 more
doaj +1 more source
Oxidation of Monolayers of Partly Converted Dimethoxy-Substituted Poly(p-phenylenevinylene) Precursor Polymers at the Air-Water Interface [PDF]
We observed that the poly(p-phenylenevinylene) units in Langmuir monolayers of partly converted dimethoxy-substituted poly(p-phenylenevinylene) precursor polymers oxidize at the air-water interface.
Hagting, A+2 more
core +3 more sources
Studies on Production and Chemical Property of Singlet Oxygen and Superoxide Radical by Dyestuffs
There are several low lying singlet oxygen (1O2) and superoxide radical (O-2) which are important in photochemical oxidation. In our present analysis we are studying chemical property of singlet oxygen (1O2) and super oxide radical (O-2) and some ...
Vikesh Kumar+5 more
doaj +1 more source