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Uranium biokinetics in gavaged young adult female rats

Creator:: Keizer, Philip John
Abstract:: Blood, liver, kidney, femur, and ovaries were assayed from female Wistar rats following oral administration of uranyl nitrate. Three uranium concentrations were studied for six time periods ranging from 4 hours to 240 hours following gavage. Uranium burdens of tissues were determined by neutron activation and delayed fission neutron counting...
Resource Type:: Masters Thesis
Full Text:: Privacy Abstract approved: Dr. David L. Willis Blood, liver, kidney, femur, and ovaries were assayed

Uptake and retention of technetuim [i.e. technetium] by two freshwater species, the crayfish Pacifastacus leniusculus and the snail Juga silicula

Creator:: McKenzie-Carter, Michael A.
Abstract:: The patterns of uptake, retention, and tissue distribution of ⁹⁵mTc in two freshwater species, the crayfish Pacifastacus leniusculus and the snail Juga silicula have been investigated. The animals were chronically exposed in water to which sodium pertechnetate had been added. Final whole-body concentration ratios (CR) obtained were 1.6 and 41...
Resource Type:: Masters Thesis
Full Text:: approved: Dr. David L. Willis The patterns of uptake, retention, and tissue distribution of 95mTc in two

The use of delayed neutron counting for uranium analysis in biological tissue and its application to a pharmacokinetic study in weanling rats

Creator:: Nelson, Philip D.
Abstract:: Delayed neutron counting (DNC) is a variation of neutron activation analysis applicable only to fissionable elements. Briefly, it involves exposing a sample to the neutron flux in a reactor to induce fission, then quickly retrieving the sample to count the delayed fission neutrons emitted. These are proportional to the amount...
Resource Type:: Masters Thesis
Full Text:: Application to a Pharmacokinetic Study in Weanling Rats. Abstract approved: Redacted for Privacy David L

Radiotechnetium as an environmental contaminant : its metabolism by two freshwater species, the pearl mussel (Margaritifera margaritifera) and the rough-skinned newt (Taricha granulosa)

Creator:: Hevland, Mark
Abstract:: There is an increasing world inventory of radiotechnetium (mainly ⁹⁹Tc) and it is inevitable that some of this will be released to the environment. However, little is known about the environmental behavior of this element. This work examined technetium's behavior in two representative freshwater species, the pearl mussel (Margaritifera margaritifera)...
Resource Type:: Masters Thesis
Full Text:: ROUGH-SKINNED NEWT (TARICBA GRANULOSA) Redacted for Privacy Abstract approved: Dr. David L. Willis

Effects of fractionated radiation doses on survival times of the newt (Taricha granulosa)

Creator:: Campbell, Carol Lee
Abstract:: This was a study designed to determine the occurrence of recovery from radiation damage in Taricha granulosa. Irradiation with either gamma or x-ray sources in the range of 96-10,000 rads was given. (The mean or median survival times were determined.) Doses were fractionated and the survival times for the same...
Resource Type:: Masters Thesis
Full Text:: for Privacy Dr. David L. Willis This was a study designed to determine the occurrence of recovery

Some possible roles for selenium in the reproductive physiology of the male graytailed vole (Microtus canicaudus)

Creator:: Whitfield, Stephen Curtiss
Abstract:: The testes of the gray-tailed vole (Microtus canicaudus Miller) exhibited a high affinity for selenium relative to other selected tissues. Uptake of selenium-75 in the testis-epididymis complex was delayed relative to uptake by the whole body, kidney, and liver. This pattern of uptake suggested that selenium was metabolically incorporated into...
Resource Type:: Masters Thesis
Full Text:: Larry G.Foislund Redacted for privacy David L. Willis The testes of the gray-tailed vole (Microtus

The uptake and retention of cesium-134 in Microtus canicaudus Miller

Creator:: Lei, Wayne
Abstract:: A study was performed to assess the uptake and retention patterns of cesium-134 in the gray-tailed vole, Microtus canicaudus Miller. To furnish a realistic source of contaminated food for the voles, wheat seedlings were raised in hydroponic solutions to provide radiocesium labeled wheat clippings. The hydroponic system was designed to...
Resource Type:: Masters Thesis
Full Text:: for Privacy , Larry G. Forslund Redacted for Privacy David L. Willis A study was performed to

The comparative metabolism of cadmium, mercury and zinc as environmental contaminants in the freshwater mussel, Margaritifera margaritifera

Creator:: Mellinger, P. J.
Abstract:: The uptake, tissue distribution and retention patterns of cadmium, mercury and zinc were examined in the freshwater mussel, Margaritifera margaritifera. All three of these heavy metals are found in the environment. Both cadmium and mercury are toxic at low environmental concentrations. Zinc may also be toxic at low concentrations but...
Resource Type:: Dissertation
Full Text:: Abstract approved: Redacted for Privacy VS, ...P..... Dr. David L. Willis The uptake, tissue

The uptake, retention, and distribution of ⁶⁰Co, ⁶⁵Zn, ⁸⁵Sr, and ¹³¹I in the rough-skinned newt (Taricha Granulosa) : A radio-ecological study

Creator:: Valett, Bryan Batson
Abstract:: The uptake, retention, and distribution of ⁶⁰Co, ⁶⁵Zn, ⁸⁵ Sr, and ¹³¹I was examined in the Rough-Skinned Newt (Taricha granulosa). Each of these radionuclides is a possible contaminant of the freshwater environment and, thus, is of importance in radioecology. The newts were maintained singly at 10° C in an unfed...
Resource Type:: Dissertation
Full Text:: STUDY Abstract approved: Redacted for Privacy Dr. David L. Willis The uptake, retention, and

The effect of dimethyl sulfoxide (DMSO) on the radiosensitivity of the rough-skinned newt (Taricha granulosa)

Creator:: Lappenbusch, William L.
Abstract:: More than 2,000 male newts were collected during the summer and maintained unfed at 10°C both pre- and post-irradiation. Exposures ranging up to 30 kR were given with 300 kVp X-rays and ⁶⁰Co gamma rays. Half of the newts were injected (I. P.) with 15 g DMSO/kg (the maximum sublethal...
Resource Type:: Dissertation
Full Text:: OF THE ROUGH-SKINNED NEWT (TARICHA GRANULOSA) Abstract approved: Redacted for Privacy Dr. David L

ScholarsArchive@OSU

Uranium biokinetics in gavaged young adult female rats

Uptake and retention of technetuim [i.e. technetium] by two freshwater species, the crayfish Pacifastacus leniusculus and the snail Juga silicula

The use of delayed neutron counting for uranium analysis in biological tissue and its application to a pharmacokinetic study in weanling rats

Radiotechnetium as an environmental contaminant : its metabolism by two freshwater species, the pearl mussel (Margaritifera margaritifera) and the rough-skinned newt (Taricha granulosa)

Effects of fractionated radiation doses on survival times of the newt (Taricha granulosa)

Some possible roles for selenium in the reproductive physiology of the male graytailed vole (Microtus canicaudus)

The uptake and retention of cesium-134 in Microtus canicaudus Miller

The comparative metabolism of cadmium, mercury and zinc as environmental contaminants in the freshwater mussel, Margaritifera margaritifera

The uptake, retention, and distribution of ⁶⁰Co, ⁶⁵Zn, ⁸⁵Sr, and ¹³¹I in the rough-skinned newt (Taricha Granulosa) : A radio-ecological study

The effect of dimethyl sulfoxide (DMSO) on the radiosensitivity of the rough-skinned newt (Taricha granulosa)

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