Index Catalog // ScholarsArchive@OSU

Creator:: Alabi, Nathaniel Sigismund
Abstract:: This study was conducted to investigate the distribution of glutathione peroxidase (GSH-Px) and selenium in semen of the boar, bull, ram and stallion, and in the reproductive tissues of the boar, bull and ram. The effect of repeated noncryoprotective freeze-thawing on GSH-Px activity was also studied. Both hydrogen peroxide (H₂0₂)...
Resource Type:: Masters Thesis
Full Text:: of the boar, bull and ram is a selenium-dependent enzyme. Repeated freezing (at -21°C) and thawing

Creator:: Gudjonsson, Sigurdur
Abstract:: A hierarchical classification system of Iceland's watersheds and rivers is presented. The classification is based on Iceland's substrate, climate, water, biota, and human cultural influences. The geological formations of Iceland are very different in character depending on their age and formation history. Three major types of formations occur: Tertiary, Plio-Pleistocene,...
Resource Type:: Dissertation
Full Text:: dissolved solids in mg/1 and specific conductivity in uS/cm (25 °C) for several Icelandic rivers 2

Creator:: Knoebl, Iris
Abstract:: The work presented in this dissertation examines possible modes of action for growth inhibition by anthropogenic endocrine disrupting chemicals (EDCs) as well as endogenous hormones associated with growth in fish. Using the sheepshead minnow (SHM) (Cyprinodon variegatus) as a model, I developed methods to examine perturbations in the endocrine axis...
Resource Type:: Dissertation
Full Text:: Privacy ACKNOWLEDGEMENTS I sincerely appreciate the help and guidance of Dr. Leroy C. Folmar in my

Creator:: Abdelgadir, Salaheldin Eltigani
Abstract:: Four experiments were conducted to determine oxytocin concen tration of bovine luteal tissue at different stages of the estrous cycle and to study the effects of prostaglandins F₂α (PGF₂α), E₂ (PGE₂), luteinizing hormone (LH), cycloheximide, colchicine and cytochalasin B on oxytocin synthesis and release in vitro. In experiment 1, luteal...
Resource Type:: Dissertation
Full Text:: INTRODUCTION 59 MATERIALS AND METHODS 60 Experiment 3 60 Experiment 4 61 Total Incorporation of [ 14 C

Creator:: Alabi, Nathaniel Sigismund
Abstract:: Studies were conducted to investigate the metabolism of selenium (Se) , and the influences of Se on the metabolism of cadmium (Cd) and inorganic mercury (Hg) in rats, and in ram semen in vitro. Se-deficient (-Se) or Se-adequate (+Se) rats were injected intraperitoneally with either ¹⁰⁹CdCl₂ (5 μCi/rat) or ²⁰³HgN0₃...
Resource Type:: Dissertation
Full Text:: Uptake 124 (c) Spermatozoal Motility 125 RESULTS AND DISCUSSION 125 Interactive Effects of Cd, Hg and

Creator:: Sucheta, Susan Leers
Resource Type:: Dissertation
Full Text:: received none (C; n=5) or two (n=7) MLT implants (250 mg; s.c.), one in each ear, the day after calving

ScholarsArchive@OSU