title: A nonclassical radiation process (Comorosan effect) studied by a photographic technique.
abstract: Unconventional and highly unexpected results in the Comorosan Effect have been obtained in a photographic study using N-methyl-4-aminophenol (metol) as the developer. Before dissolving the developer was irradiated with green light (lambda = 546 nm) for various distinct periods of time (5, 10 and 15 seconds). A significant difference was observed in the rates of the developing process for different samples of the developer which had been irradiated for 5 seconds compared to non-irradiated controls, but no differences were observed for samples irradiated for 10 or 15 seconds, respectively. This unusual radiation phenomenon is similar to the Comorosan Effect by which rates of enzymatic reactions are manifested and significantly influenced by prior irradiation of the enzyme substrates, but only for times which are certain multiples of 5 seconds.
authors.affiliation: Institute of Physical and Theoretical Chemistry, University of Essen, Federal Republic of Germany.
authors.forename: G
authors.initials: G
authors.lastname: Peschel
authors.forename: T
authors.initials: T
authors.lastname: Popescu
mesh_terms: D004798:Enzymes / Q000378:metabolism*; D007700:Kinetics; D008027:Light; D010781:Photography; D011830:Radiation Effects
chemical_list: D004798:Enzymes