Index Catalog // ScholarsArchive@OSU

Effects of ultraviolet-B radiation on marine phytoplankton

Creator:: Behrenfeld, Michael Joseph
Abstract:: Global increases in ultraviolet-B radiation (UVBR:290- 320 nm) resulting from decreases in stratospheric ozone concentration have the potential to alter marine primary production and affect global climate and marine trophic dynamics. Effects of UVBR on phytoplankton carbon fixation were determined from open ocean exposure studies conducted off the coast of...
Resource Type:: Dissertation
Full Text:: in regions of nutrient limitation. Effects of Ultraviolet-B Radiation on Marine Phytoplankton by

Sublethal effects of UV-B radiation on larval amphibians

Creator:: Belden, Lisa K.
Abstract:: Ultraviolet-B radiation (UV-B) has been suggested as a factor contributing to global amphibian population declines. While ambient UV-B levels damage the eggs and embryos of some amphibian species, few studies have addressed how UV-B affects other life history stages or sublethal responses. My dissertation focuses on (1) investigations of sublethal...
Resource Type:: Dissertation

Ultraviolet radiation as an environmental stressor of amphibians

Creator:: Bancroft, Betsy A.
Abstract:: My thesis explored the effects of and potential mediating mechanisms for an important environmental stressor, ultraviolet-B (UVB) radiation. UVB radiation has negative effects on organisms in both terrestrial and aquatic systems. I used meta-analysis to quantify the effects of UVB radiation on a diversity of aquatic organisms (Chapter 2). UVB...
Resource Type:: Dissertation
Full Text:: presented on May 10, 2007. Title: Ultraviolet Radiation as an Environmental Stressor of Amphibians

Recombinagenic and anti-mutagenic processing of UV-light photoproducts by the Escherichia coli methyl-directed mismatch-repair system

Creator:: Feng, Wen-yang
Resource Type:: Dissertation
Full Text:: Doctor of Philosothv in Genetics , presented on February 23, 1994. Title: Recombinaaenic and Anti

Individual and population responses to abiotic stresses in Italian ryegrass (Lolium multiflorum Lam.)

Creator:: Martinez-Ghersa, Maria Alejandra
Abstract:: Plant form is a compromise between resource gathering, reproduction and the tolerance to physical demands of the abiotic and biotic environment. In an agricultural field in addition to the natural factors causing stress, humans also introduce physical and mechanical stresses, and chemical pesticides into the environment. Many of these factors...
Resource Type:: Dissertation
Full Text:: .................................................................. 152 4.2 Effect of ultraviolet-B (UVB) radiation on survival of Italian ryegrass seedlings of a

Indirect effects of ultraviolet-B radiation on larval amphibians as mediated by food quality and trophic interactions

Creator:: Scheessele, Erin A.
Abstract:: Ultraviolet-B radiation (UVB) is an abiotic stressor in both terrestrial and aquatic systems. The stratospheric ozone layer, depleted due to anthropogenic activities and the cause of elevated UVB at earth's surface over the last four decades, is predicted to recover by 2065. However, UVB levels in aquatic systems may continue...
Resource Type:: Dissertation
Full Text:: 15, 2007. Title: Indirect Effects of Ultraviolet-B Radiation on Larval Amphibians as Mediated by

Effect of ultraviolet and visible radiation on the sporulation of species of Helminthosporium

Creator:: Yadav, Babu Singh
Resource Type:: Dissertation
Full Text:: Effect of ultraviolet and visible radiation on the

Role of Melanocytic Vitamin D Receptor (VDR) in UVB-induced Melanocyte Homeostasisand Keratinocytic Retinoid–X-Receptor α (RXRα) in UVB Induced Melanomagenesis

Creator:: Chagani, Sharmeen
Abstract:: Cutaneous melanoma remains the deadliest form of skin cancer arising from malignant transformation of pigment-producing melanocytes, with a diagnosis of metastasis indicating a median survival rate of less than a year. Solar ultraviolet (UV) radiation, especially childhood sun exposure, is an important etiological risk factor of melanoma. This DNA damage...
Resource Type:: Dissertation
Full Text:: Introduction: Melanocytes, Ultraviolet Radiation-Induced DNA Damage and Mutation; Role of Nuclear Receptors

Physiological studies on radiation resistant bacteria occurring in food

Creator:: Duggan, Dennis Edward
Resource Type:: Dissertation
Full Text:: Ionizing Radiation • • • • • • • • • • • 42 Effects of Ultraviolet Light on Mioroorganisma • 43

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

Creator:: Okamoto, Fumio
Resource Type:: Dissertation
Full Text:: second stage of coloration. There are several experi- ments which show the effect of impurities on the

ScholarsArchive@OSU

Effects of ultraviolet-B radiation on marine phytoplankton

Sublethal effects of UV-B radiation on larval amphibians

Ultraviolet radiation as an environmental stressor of amphibians

Recombinagenic and anti-mutagenic processing of UV-light photoproducts by the Escherichia coli methyl-directed mismatch-repair system

Individual and population responses to abiotic stresses in Italian ryegrass (Lolium multiflorum Lam.)

Indirect effects of ultraviolet-B radiation on larval amphibians as mediated by food quality and trophic interactions

Effect of ultraviolet and visible radiation on the sporulation of species of Helminthosporium

Role of Melanocytic Vitamin D Receptor (VDR) in UVB-induced Melanocyte Homeostasisand Keratinocytic Retinoid–X-Receptor α (RXRα) in UVB Induced Melanomagenesis

Physiological studies on radiation resistant bacteria occurring in food

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

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