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Showing 1 to 20 of 221 for “"Photolysis"”.
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Infrared-monitored flash-photolysis of carboxymyoglobin
An infrared-monitored flash-photolysis apparatus capable of measuring absorbance changes to 10$\sp{-3}$OD over a time range from 10$\mu$s to 10s is described. Measurements made on this apparatus, combined with slower measurements made on a Fourier-transform infrared spectrometer, of the …
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The photolysis and radiolysis of barium azide, with some observations on the photolysis and radiolysis of lithium azide
[Many pages missing] If the respective curves lntersect and the excited state has a minimum lying inside the ,ground state curve, then on optical transition to the excited state wi II be followed by a radiationless transition to the point where the excited and ground state curves intersect. If, …
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Analysis of Polymeric Materials by Photolysis-Gas Chromatography
Made available in DSpace on 2014-12-10T23:01:05Z (GMT). No. of bitstreams: 1 7114953.pdf: 2213828 bytes, checksum: 6c8c31e43ef87608d72b689fe5f2e5aa (MD5) Previous issue date: 1970
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Kinetics of the Photolysis of Formic Acid Vapor
Made available in DSpace on 2014-12-05T19:38:11Z (GMT). No. of bitstreams: 1 6303344.pdf: 4322795 bytes, checksum: 38a5cf596ff63c8f87bb8a0153e7d1c8 (MD5) Previous issue date: 1962
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Flash Photolysis and Flash Heating of Potassium Permanganate Crystals
Made available in DSpace on 2014-12-09T17:35:46Z (GMT). No. of bitstreams: 1 6711878.pdf: 3620296 bytes, checksum: 5c16454b8e7e0483daa2f84c5e833f1c (MD5) Previous issue date: 1967
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The photolysis and co-irradiated decomposition of barium and strontium azides
The effect of ultraviolet radiation on sieved powders and pellets of barium azide in the temperature range 27,0° - 135,0°C and of strontium azide in the temperature range 30,0° - l35,0°C has been studied. Decompositions in the temperature range 27,0°- 100,0°C for barium azide and 30,0° - 90,0°C for …
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Photolysis Kinetics of Aromatic Pollutants in Liquid and Solid Environmental Condensed Phases
… found in the environment. I have measured photolysis rate constants of the aromatic pollutants toluene, ethylbenzene, xylenes (TEX) and anthracene under environmentally-relevant conditions in order to improve fate predictions. The photolysis kinetics of TEX in water, ice and at ice surfaces …
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Characterizing triplet azo biradical and corannulene- halogen complexes by laser flash photolysis
<p>In this work the laser flash photolysis technique has been used to study two photo-reaction systems: 1) the photolysis of aryl azides in solution and in solid-state 2) the photo-reaction of corannulene in halogenated solvents.</p><p>Singlet aryl nitrene was formed upon irradiation of aryl …
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Photolytic Studies of Aryl and Heteroaryl Nitrenium Ions: Laser Flash Photolysis Studies
… nitrenium ion generated by photolysis was reacted with amino acids and proteins to determine their reactivity with these ions. Eight amino acids were observed to react with the ion at a rate constant of 10<sup>7</sup> - 10<sup>9</sup> M<sup>-1</sup> s<sup>-1</sup>. The rate …
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GEOMETRY AND MORPHOLOGY OF TiO2 AND Fe2O3 NANOTUBES FOR SOLAR PHOTOLYSIS OF WATER
In this work, self organized and vertically oriented double walled TiO2 nanotubes and thin walled α- Fe2O3 nanotubes were synthesized for visible light driven photocatalytic water splitting. Sonoelectrochemical anodization technique in combination with a room temperature ionic liquid was utilized …
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Structure of Cross-Bridges in Vertebrate Skeletal Muscle Activated by Photolysis of Caged Ca2+
… of cross-bridges in fibers activated by photolysis of caged ca2+ and then ultrarapidly frozen and freeze substituted with tannic acid and OsO4. Sections from relaxed fibers show helical tracks, presumed to be rnyosin heads, on the thick filament surface. Optical diffraction patterns show …
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Studies on the electrochemical reduction and the photolysis of phenacyl 'onium salts and related compounds
The electrochemical reduction of a series of quaternary phenacyclammonium and tertiary phenacylsulphonium salts in aqueous solution at a mercury cathode has been investigated using polarography, coulometry, titrimetry and product analysis methods.
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The Study of Organic Structure via Mercury-Sensitized Photolysis and Gas Chromatography. Alcohols and Esters
Made available in DSpace on 2014-12-09T17:35:26Z (GMT). No. of bitstreams: 1 6604312.pdf: 2210622 bytes, checksum: f2de195813184af904d1f42289bdbb65 (MD5) Previous issue date: 1965
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Simultaneous removal of sulfur dioxide and nitric oxide from gas streams via combined plasma photolysis
… Barrier Discharge (DBD) and Combined Plasma Photolysis (CPP) to simultaneously remove SO$\sb2$ and NO from simulated flue gas streams has been evaluated with a laboratory-scale reactor. CPP relies on DBD to generate gas phase radicals which oxidize SO$\sb2$ and NO to form H$\sb2$SO$\sb4$ and …
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The Reaction Kinetics of Neutral Free Radicals and Radical Ions Studied by Laser Flash Photolysis
… hydrocarbons, and alcohols using laser flash photolysis. Initially, no obvious reactivity relationship between rate constant and substrate structure was observed for these homolytic reactions. However, by closely examining the Arrhenius parameters for hydrogen abstraction, a pattern was …
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PHOTOLYSIS OF1-METHYL-9,10-ANTHRAQUINONE DERIVATIVES AND THEIR POTENTIAL REACTIVITY IN THE PHOTOENOL DIELS-ALDER REACTION
Functionalized 9,10-anthraquinones (AQ) have proven to undergo a Photoenol Diels-Alder (PEDA) reaction. The PEDA reaction has been enhanced by the following factors: increased AQ electron density and the geometry of the intermediate 1,4-biradical (BR). Hydrogen bonding of the intermediate BR aids …
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Solute effects on the production and decay of primary species in the flash photolysis of indole
… in the microsecond, broadband (X > 260 nm) flash photolysis of helium-saturated, neutral aqueous solutions of indole, in the absence and in the presence of the solutes NaBr, BaCl2*2H20 and CdSCV Fluorescence spectra and fluorescence lifetimes have also been obtained in the absence and in the …
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Experimental and Theoretical Studies of Nuclear Generation of Ozone and Its Photolysis Into Singlet Delta Oxygen
Made available in DSpace on 2014-12-15T19:04:56Z (GMT). No. of bitstreams: 1 8521758.pdf: 7699483 bytes, checksum: 8799f9511d6cca1e460967c85f31c9b9 (MD5) Previous issue date: 1985
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