The new method for the generation of singlet oxygen from water: Bactericidal effect

2012 ◽  
Vol 53 ◽  
pp. S146
Author(s):  
A. Iwasawa⁎ ◽  
Y. Matsumrua ◽  
T. Kamachi ◽  
T. Ozawa ◽  
M. Kohno
Keyword(s):  
Singlet Oxygen ◽  
Bactericidal Effect ◽  
New Method

Prospects for solar synthesis I: A new method for singlet oxygen reactions using natural sunlight

1984 ◽  
Vol 25 (2-4) ◽  
pp. 501-509 ◽  
Author(s):  
J.E. Guillet ◽  
J. Sherren ◽  
H.M. Gharapetian ◽  
W.K. MacInnis
Keyword(s):  
Singlet Oxygen ◽  
New Method ◽  
Natural Sunlight

Synthesis and photophysicochemical studies of non-metal 2,3,9,10,16,17,23,24-octacarboxyphthalocyanine

2012 ◽  
Vol 16 (12) ◽  
pp. 1244-1251 ◽  
Author(s):  
Nina A. Kuznetsova ◽  
Ekaterina N. Shevchenko ◽  
Dmitry A. Makarov ◽  
Ludmila K. Slivka ◽  
Ludmila I. Solovyova ◽  
...  
Keyword(s):  
Singlet Oxygen ◽  
New Method ◽  
Quantum Yields ◽  
Ionization State

A new method of preparation and the properties (solubility, aggregation, spectralluminescent properties, singlet oxygen and photobleaching quantum yields) of non-metal 2,3,9,10,16,17,23,24-octacarboxyphthalocyanine are reported. The influence of ionization state on photophysicochemical properties of this dye is also presented.

scholarly journals Performance of Ag-TiO2Photocatalysts towards the Photocatalytic Disinfection of Water under Interior-Lighting and Solar-Simulated Light Irradiations

2012 ◽  
Vol 2012 ◽  
pp. 1-10 ◽  
Author(s):  
Camilo A. Castro ◽  
Adriana Jurado ◽  
Diana Sissa ◽  
Sonia A. Giraldo
Keyword(s):  
Visible Light ◽  
Singlet Oxygen ◽  
Sorption Isotherms ◽  
Textural Properties ◽  
Bactericidal Effect ◽  
Oxygen Scavenger ◽  
Visible Light Absorption ◽  
Photocatalytic Disinfection ◽  
Interior Lighting ◽  
Inactivation Process

This paper reports the characterization and photoactivity of Ag-TiO2materials using different amounts of silver during the hydrothermal synthesis. Photocatalysts were characterized by means of TEM, XPS, XRD, DRS, and N2sorption isotherms to determine the textural properties. The photocatalyst's configuration was observed to be as anatase-brookite mixed phase particles with Ag partially oxidized aggregates on the TiO2surface, which increased visible light absorption of the material. Moreover, photoproduction of singlet oxygen was followed by EPR analysis under visible light irradiations following the formation of TEMPOL. Such photoproduction was totally decreased by using the singlet oxygen scavenger DABCO. Photocatalysts were tested towards the photocatalytic disinfection of water suing a solar light simulator and an interior-light irradiation setup. Results evidenced an increase in the photooxidative effect of TiO2, while dark processes evidenced that part of the inactivation process is due to the Ag-TiO2surface bactericidal effect and possible lixiviated Ag+.

scholarly journals Singlet oxygen generated by a new nonthermal atmospheric pressure air plasma device exerts a bactericidal effect on oral pathogens

2019 ◽  
Vol 61 (4) ◽  
pp. 521-525 ◽  
Author(s):  
Yoriyuki Hirano ◽  
Makoto Hayashi ◽  
Muneaki Tamura ◽  
Fumihiko Yoshino ◽  
Ayaka Yoshida ◽  
...  
Keyword(s):  
Singlet Oxygen ◽  
Atmospheric Pressure ◽  
Bactericidal Effect ◽  
Air Plasma ◽  
Plasma Device ◽  
Oral Pathogens

New method of detecting singlet oxygen production

Nature ◽  
1976 ◽  
Vol 263 (5576) ◽  
pp. 442-443 ◽  
Author(s):  
Y. LION ◽  
M. DELMELLE ◽  
A. VAN DE VORST
Keyword(s):  
Singlet Oxygen ◽  
New Method ◽  
Oxygen Production
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