Index Catalog // ScholarsArchive@OSU

The role of lutein and zeaxanthin in protecting the retina from light damage

Creator:: Derenick, Rhianna A.
Abstract:: Purpose: The xanthophyll carotenoids lutein and zeaxanthin are concentrated in the macula lutea of the retina. It is thought that the two plant pigments may play a role in preventing the development of age-related macular degeneration (AMD). Exposure to damaging light plays a role in retinal deterioration and AMD. The...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: ________________________________________________________________________ Emily Ho

Non-linear nitrogen dynamics and calcium depletion along a temperate forest soil nitrogen gradient

Creator:: Sinkhorn, Emily R.
Abstract:: Understanding how N availability influences base cation stores is critical for long-term ecosystem sustainability. Indices of nitrogen (N) availability and the distribution of nutrients in plant biomass, soil, and soil water were examined across ten young, unpolluted Douglas-fir (Pseudotsuga menziesii) stands in the Oregon Coast Range spanning a three-fold soil...
Resource Type:: Masters Thesis
Full Text:: THE THESIS OF Emily R. Sinkhorn for the degree of Master of Science in Forest Science presented

Heavy fermion effective mass in the superconducting vortex state

Creator:: Townsend, Emily A.
Abstract:: The extended-Lifshitz-Kosevitch formalism (ELK) unifies the treatment of the de Haas-van Alphen (dHvA) effect, allowing it to transcend its traditional roles of mapping Fermi surfaces and measuring effective masses. Here we exploit the capabilities of dHvA as a probe of many-body effects to examine heavy-fermion su- perconductivity. ELK successfully describes...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Emily Townsend for the degree of

Sediment transfer and storage in headwater basins of the Oregon Coast Range : transit times from 14C dated deposits

Creator:: Underwood, Emily F.
Abstract:: In steep headwater basins of the Oregon Coast Range (OCR), debris flows episodically deliver material from low-order tributary basins to larger catchments. Much of this material is stored in valleys and gradually removed by fluvial processes. Quantifying the transfer of material from hillslopes to mainstem channels is essential in understanding...
Resource Type:: Masters Thesis
Full Text:: Study Area AN ABSTRACT OF THE THESIS OF Emily

Can growth strata identify individual paleoearthquakes and characterize fold kinematics? A case study from the La Laja fault system, Sierra de Villicum, Argentina

Creator:: Schultz, Emily S.
Abstract:: A large, damaging earthquake in 1944 on a blind thrust fault caused 60 cm of surface rupture on the subsidiary La Laja fault and additional unmeasured growth of an associated backlimb fold. Both the fold and fault are components of the La Laja Fault System (LLFS) located 25 km northeast...
Resource Type:: Masters Thesis
Full Text:: OF Emily S. Schultz for the degree of Master of Science in Geology presented on October 26, 2006

Community gradients of Arctic macrolichens in relation to succession, grazing and the environment

Creator:: Holt, Emily A.
Abstract:: The purpose of this dissertation was to define macrolichen community gradients in relation to succession, grazing and the environment. First, species scores indicating when macrolichen species appeared following disturbance were derived from the literature. Weighted averaging of these data with a community matrix created a successional score for each sample...
Resource Type:: Dissertation
Full Text:: OF Emily A. Holt for the degree of Doctor of Philosophy in Botany and Plant Pathology

The Forest Field Program : a case study in forest education for Latino youth

Creator:: Gonzalez, Emily A.
Abstract:: This study involved the development of two bilingual and inquiry-based forest education programs within the Central Willamette Valley of Oregon. The first program used the participatory research (PR) process to engage 7th and 8th grade Latino students as participatory researchers to interview members of their community to learn their perspectives...
Resource Type:: Masters Thesis
Full Text:: I AN ABSTRACT OF THE THESIS OF Emily A

Sesame oil increases plasma γ-tocopherol and inhibits γ-tocopherol metabolism in humans

Creator:: Lee, Sangeun
Abstract:: In rats, sesame lignans increase plasma γ-tocopherol concentrations and inhibit γ-tocopherol degradation to its metabolite γ-carboxyethylhydroxychroman (γ-CEHC). To test if sesame lignan consumption inhibits γ- tocopherol metabolism in humans, muffins prepared with either corn oil (control) or sesame oil and an equimolar mixture of deuterium labeled d6-α- and d2-γ- tocopheryl...
Resource Type:: Masters Thesis
Full Text:: also would like to thank all my committee members; Dr. Emily Ho for her advice and her passionate

Free-choice family learning in a bilingual marine science program : a qualitative investigation of interactions and long-term impacts among Mexican-descent families

Creator:: Schmoock, Heidi I.
Abstract:: In the past most research of family learning in informal science learning environments has included limited diversity among participants considering ethnic, cultural, and social economic status. The diversity seen in informal learning environments such as museums does not typically reflect that of the general population. Therefore, in order to foster...
Resource Type:: Masters Thesis
Full Text:: feedback and involvement. Many thanks to Dr. Emily van Zee who served on my committee and who ran the

Alkylation kinetics of the human retinoid X receptor α using cysteine as a local probe

Creator:: Vanegas, Juan Manuel
Abstract:: The unfolding of human retinoid X receptor α in the presence of the denaturant guanidine HCl was studied using stopped-flow absorbance spectroscopy. The protein's four native cysteine residues were mutated to obtain four single-cysteine mutants, each with the other three cysteine residues mutated to alanine. The thiols of these hRXRα...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

The role of lutein and zeaxanthin in protecting the retina from light damage

Non-linear nitrogen dynamics and calcium depletion along a temperate forest soil nitrogen gradient

Heavy fermion effective mass in the superconducting vortex state

Sediment transfer and storage in headwater basins of the Oregon Coast Range : transit times from 14C dated deposits

Can growth strata identify individual paleoearthquakes and characterize fold kinematics? A case study from the La Laja fault system, Sierra de Villicum, Argentina

Community gradients of Arctic macrolichens in relation to succession, grazing and the environment

The Forest Field Program : a case study in forest education for Latino youth

Sesame oil increases plasma γ-tocopherol and inhibits γ-tocopherol metabolism in humans

Free-choice family learning in a bilingual marine science program : a qualitative investigation of interactions and long-term impacts among Mexican-descent families

Alkylation kinetics of the human retinoid X receptor α using cysteine as a local probe

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