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Articles 1 - 5 of 5
Full-Text Articles in Life Sciences
Cadmium And Zinc Levels In The Hair Of Smokers And Nonsmokers, Neal R. Simonsen
Cadmium And Zinc Levels In The Hair Of Smokers And Nonsmokers, Neal R. Simonsen
Dissertations and Theses
To determine the relationship of tobacco and marijuana smoking to levels of cadmium and zinc manifested in hair samples, a study was conducted at Portland State University using atomic absorption spectrophotometry. 97 adult student volunteers participated in the main study.
Alterations In Rat Brain Norepinephrine And Dopamine Levels And Synthesis Rates In Response To Five Neurotoxic Chemicals: Acrylamide, 2,5-Hexanedione, Tri-O-Tolyl Phosphate, Leptophos, And Methyl Mercuric Chloride, Charles N. Aldous
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Acrylamide, 2,5-hexanedione, Tri-o-tolyl phosphate and leptophos belong to three fundamentally different chemical classes but all four chemicals cause central-peripheral distal axonopathy. Some of these compounds have been shown to alter brain steady state levels of neurotransmitters or to inhibit the activities of adenosine triphosphatases which are involved in the uptake and storage of biogenic amines. Tests were performed to determine alterations in steady state levels of rat brain norepinephrine and dopamine in response to doses of the above chemicals and of the central nervous system toxin, methyl mercuric chloride sufficient to cause ataxia. Catecholamine synthesis rate constant estimations were performed. …
Influence Of Lipophilicity On The Accumulation And Distribution Of Halogenated Phenols And A Pyridinol As Metabolites Of Pesticides In The Rat, Assed A. Attumi
Influence Of Lipophilicity On The Accumulation And Distribution Of Halogenated Phenols And A Pyridinol As Metabolites Of Pesticides In The Rat, Assed A. Attumi
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Exposure to halogenated phenols and pyridinols is of increasing concern because of their wide use and distribution. This research was initiated to determine the distribution, accumulation, and depletion of a group of halogenated phenols and a pyridinol in selected tissues of male weanling rats at different time intervals following a single oral dose of 0.33 or 1.66 m moles per kg body weight. The halogenated phenols and pyridinol were distributed differently in every tissue sampled following their administration, even though the amount administered was the same in each case. The concentrations in tissue were found in the order: 2,4,5-trichlorophenol > 4-bromo-2,5-dichlorophenol …
Non-Suppressible Insulin-Like Activity, Glucose Hypercatabolism, And Hypoglycemia In Sepsis, Rico E. Viray
Non-Suppressible Insulin-Like Activity, Glucose Hypercatabolism, And Hypoglycemia In Sepsis, Rico E. Viray
Master's Theses
No abstract provided.
An Analysis Of Pacemaker Activity In The Canine Right Atrium, George John Rozanski
An Analysis Of Pacemaker Activity In The Canine Right Atrium, George John Rozanski
Dissertations
No abstract provided.