Results 191 to 200 of about 4,770 (246)

Dual-role iron species in photoelectrocatalytic radical trifluoromethylation with trifluoroacetates. [PDF]

Nat Commun
Fernández-García S, Cuadros S, Bosque I, Gonzalez-Gomez JC, Juliá-Hernández F.   +4 more
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PHOTOCHEMICAL OXIDATION OF TERBUFOS

Environmental Toxicology and Chemistry, 1999
Abstract We studied the photochemical oxidation of an organophosphorus pesticide, terbufos, in surface waters because its oxidation products are of concern. Terbufos sulfoxide and terbufos sulfone have toxicities for aquatic organisms similar to those of the parent compound.
Cindy M Lee, Barbara Anderson, Alan W Elzerman   +2 more
openaire   +1 more source

Photochemical oxidants: state of the science

Environmental Pollution, 1999
Atmospheric photochemical processes resulting in the production of tropospheric ozone (O(3)) and other oxidants are described. The spatial and temporal variabilities in the occurrence of surface level oxidants and their relationships to air pollution meteorology are discussed.
D, Kley, M, Kleinmann, H, Sanderman, S, Krupa   +3 more
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Photochemical and oxidative cyclisation of tetraphenylpyrroles

Organic & Biomolecular Chemistry, 2017
The cyclisation of tetraphenylpyrroles under complementary conditions allows controlled cyclisation giving products dependent on N-substitution, with both tandem rearrangement and halogenation being observed.
Jayne L. Ferguson, Marie A. Squire, Christopher M. Fitchett   +2 more
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Photochemical oxidation of tyrosinase

Phytochemistry, 1977
Abstract Dye sensitized photo-oxidation inactivates tyrosinases isolated from Neurospora and Agaricus . The rate of inactivation is enhanced by cyanide and is dependent on pH.
Steven Gutteridge, George Dickson, Donald Robb   +2 more
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Photochemical oxidation of pyrazolidinones

J. Chem. Soc., Chem. Commun., 1972
Pyrazolidinone (I) gives the novel spiro-epoxide (II) on irradiation in acetone; the isomeric pyrazolidinone (IV) undergoes oxidative dimerization to (V).
Seyhan N. Eǧe, Chih J. Tien, Andrea Dlesk, Bruce E. Potter, Bruce K. Eagleson   +4 more
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Dual‐Templated Cobalt Oxide for Photochemical Water Oxidation

ChemSusChem, 2015
AbstractMesoporous Co3O4 was prepared using a dual templating approach whereby mesopores inside SiO2 nanospheres, as well as the void spaces between the nanospheres, were used as templates. The effect of calcination temperature on the crystallinity, morphology, and textural parameters of the Co3O4 replica was investigated.
Deng, X., Bongard, H., Chan, C., Tüysüz, H.   +3 more
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Photochemical Oxidation of Hydrocarbons

Industrial & Engineering Chemistry, 1956
In the Los Angeles atmosphere photochemical reactions are important in producing eye irritation, plant damage, and ozone. The components of these reactions are regarded as oxygen and organic materials in general, especially hydrocarbons and their oxidation products.
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Oxidation by Photochemical Electron Transfer Excitation

Nature, 1950
Stein and Weiss1 have shown that hydroxyl radicals can be detected in solution by their ability to oxidize the benzene nucleus, leading to the formation of phenol derivatives. These hydroxyl radicals were produced in situ both by irradiation of aqueous substrate solutions with X-rays, α-rays, etc., and by the use of Fenton's reagent.
H G C, BATES, M G, EVANS, N, URI
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photochemical oxidants: sources, sinks and strategies

Journal of the Air Pollution Control Association, 1975
The Conference, jointly sponsored by Carnegie-Mellon University (Environmental Studies Institute), the Air Pollution Control Association, University of Pittsburgh (Graduate School of Public Health), and the National Science Foundation (Science and Technology Policy Office), was held May 3-4, 1974, at the Seven Springs Conference Center near Champion ...
M, Corn, R W, Dunlap, L A, Goldmuntz, L H, Rogers   +3 more
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