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Formation and optical bleaching of color centers in X-rayed potassium chloride crystals

Creator:: Okamoto, Fumio
Resource Type:: Dissertation
Full Text:: investigations on the purity of potassium chloride crystals in progress in this laboratory, was undertaken

The effects of univalent cations on the inductive formation of nitrate reductase

Creator:: Nitsos, Ronald Eugene
Abstract:: An investigation was undertaken to determine whether potassium is indeed necessary for the in vivo synthesis of a specific protein. The effects of univalent cations on the inductive formation of nitrate reductase and on the level of activity of representative non-adaptive enzyme are presented. Cultures of Neurospora crassa were grown...
Resource Type:: Masters Thesis
Full Text:: Assay 25 Other Assays 26 Results 27 Growth Responses to Potassium 27 Effects of Univalent Cations on

The site of action of radio-lethal compounds on Micrococcus radiodurans

Creator:: Manes, Jasper Damon, Jr.
Abstract:: Iodoacetic acid and diphenylamine were used in this study to elucidate the mechanisms of resistance of Micrococcus radiodurans to radiation. This organism, a gram positive, non-spore forming, salmon-pink, tetracoccus has a LD₅₀ of 213,000 R when grown in the absence of radio-modifying agents. M. radiodurans, when grown in media containing...
Resource Type:: Masters Thesis
Full Text:: 2 Effect of Ultraviolet Light and X -rays on Micro- organisms 3 Modification of Radiation

A comparison of radiation induced lipid changes in Micrococcus radiodurans, Sarcina lutea, and Pseudomonas aeruginosa

Creator:: Ley, Ronald Douglas
Abstract:: Quantity variations in pigments and lipid classes were determined following γ-irradiation of Micrococcus radiodurans, Sarcina lutea, and Pseudomonas aeruginosa. Pigmentation was determined by extraction with organic solvents and measured as optical density at 475 mμ for M. radiodurans and S. lutea, and 410 mμ for Ps. E aetuginosa. Pigments of...
Resource Type:: Masters Thesis
Full Text:: effect of y- radiation on lipid classes of M. radiodurans, S. lutea, and Ps. aeruginosa. Quantitative

Reduction of microbial population of seafood by radiation pasteurization

Creator:: East, Dorothy May
Resource Type:: Masters Thesis
Full Text:: provide information on the usefulness of pasteurization radiation for fishery products. In this regard

Physiological studies on radiation resistant bacteria occurring in food

Creator:: Duggan, Dennis Edward
Resource Type:: Dissertation
Full Text:: Effecta on Matter • 5 Radiation Chemist17 • • • • • • • • • • • • • 7 Effects of Ionizing Radiati on

The irradiation resistance of food pathogens contaminating seafoods

Creator:: Dutiyabodhi, Pisawat
Abstract:: Studies have been made to determine the limits of tolerance to gamma radiation for 15 cultures of the following bacterial species both in culture media and in irradiation-sterilized seafoods (crab-meat, halibut and shrimp) inoculated with Salmonella (seven species), Shigella (three species), and one species each of Neisseria, Myco-bacterium, Esctrerichia, Proteus...
Resource Type:: Masters Thesis
Full Text:: Radiation on Amino Acids Effect of Ionizing Radiation on Lipids Effect of Ionizing Radiation on Enzyrnes

Significance of pigments in radiation resistance of Micrococcus radiodurans

Creator:: Krabbenhoft, Kenneth Louis
Abstract:: An ecological study of a microorganism similar to that isolated in 1956 and designated as Micrococcus radiodurans indicated that the organism could be isolated from several different environments. By taking advantage of its radio-resistivity, high levels of gamma radiation were used in the isolation procedures to inactivate most of the...
Resource Type:: Dissertation
Full Text:: Media on Radiation Resistance 48 Relative Effect of Growth and Recovery Medium on Radiation

Effects of neutron irradiation on high-purity vanadium

Creator:: Stevens, Richard Francis, Jr.
Abstract:: Because of the potential elevated-temperature applications of high-purity vanadium in nuclear reactors an investigation was conducted to determine the effects of nuclear irradiation upon the properties of the pure metal. The results of this investigation indicated that the effects caused by irradiation, increased strength and hardness and decreased ductility, could...
Resource Type:: Masters Thesis
Full Text:: , for the professional degree of Metallurgical Engineer presented on February 10, 1967 Title

Determination of the quality of radiation-pasteurized halibut (Hippoglossus stenolepis) during storage

Creator:: Serrano, Lolita Bate
Abstract:: The quality of radiation-pasteurized halibut stored at 34°F was evaluated subjectively and objectively over a period of 18 weeks. Results of flavor evaluation and chemical analyses showed that the storage life of halibut irradiated at 0.50, 0.75 and 1.00 megarad was extended more than threefold. Although irradiated samples were consistently...
Resource Type:: Masters Thesis
Full Text:: antioxidants on the TBA number of stored radiation-pasteurized ground halibut. 58 8 Effect of antioxidants

ScholarsArchive@OSU

Formation and optical bleaching of color centers in X-rayed potassium chloride crystals

The effects of univalent cations on the inductive formation of nitrate reductase

The site of action of radio-lethal compounds on Micrococcus radiodurans

A comparison of radiation induced lipid changes in Micrococcus radiodurans, Sarcina lutea, and Pseudomonas aeruginosa

Reduction of microbial population of seafood by radiation pasteurization

Physiological studies on radiation resistant bacteria occurring in food

The irradiation resistance of food pathogens contaminating seafoods

Significance of pigments in radiation resistance of Micrococcus radiodurans

Effects of neutron irradiation on high-purity vanadium

Determination of the quality of radiation-pasteurized halibut (Hippoglossus stenolepis) during storage

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