Index Catalog // ScholarsArchive@OSU

Acceptance, Acceptability, and Trust for Sagebrush Restoration Options in the Great Basin: A Longitudinal Perspective

Creator:: Gordon, Ryan, Brunson, Mark W., and Shindler, Bruce
Abstract:: In surveys of residents in three urban and three rural locations in the Great Basin we examined the social acceptability of six management practices showing promise for restoring sagebrush-dominated rangelands. Unlike most studies of range management perceptions that have relied on single measurements, we used longitudinal data from a questionnaire...
Resource Type:: Article

Are double trailers cost effective for transporting forest biomass on steep terrain?

Creator:: Zamora-Cristales, Rene and Sessions, John
Abstract:: Transportation of forest biomass on steep terrain involves logistical challenges. Trucks with large single trailers are often unable to travel on forest roads due to their narrowness, tight curves, adverse grades and limited areas to turn around. A shorter trailer must be used but then transportation capacity is limited by...
Resource Type:: Article

Bioaccessibility of metals in alloys: Evaluation of three surrogate biofluids

Creator:: Hillwalker, Wendy E. and Anderson, Kim A.
Abstract:: Bioaccessibility in vitro tests measure the solubility of materials in surrogate biofluids. However, the lack of uniform methods and the effects of variable test parameters on material solubility limit interpretation. One aim of this study was to measure and compare bioaccessibility of selected economically important alloys and metals in surrogate...
Resource Type:: Article

Characterizing whole-wheat flours produced using a commercial stone mill, laboratory mills, and household single-stream flour mills

Creator:: Ross, Andrew S. and Kongraksawech, Teepakorn
Abstract:: Background and objectives: One hard wheat and one semi-hard wheat were milled on commercial, laboratory, and household-scale flour mills with rotating elements ranging from 0.1 to 1.0 m in diameter and speeds ranging from 65 to 40,000 rpm. The aim of the study was to assess and compare the quality...
Resource Type:: Article

Dasatinib Modulates Invasive and Migratory Properties of Canine Osteosarcoma and has Therapeutic Potential in Affected Dogs

Creator:: Marley, Kevin, Gullaba, Justine, Seguin, Bernard, Gelberg, Howard B., and Helfand, Stuart C.
Abstract:: BACKGROUND: This investigation sought to elucidate the relationship between hepatocyte growth factor (HGF)–induced metastatic behavior and the tyrosine kinase inhibitors (TKIs) crizotinib and dasatinib in canine osteosarcoma (OS). Preliminary evidence of an apparent clinical benefit from adjuvant therapy with dasatinib in four dogs is described. METHODS: The inhibitors were assessed...
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eDNA as a tool for identifying freshwater species in sustainable forestry: A critical review and potential future applications

Creator:: Coble, Ashley A., Flinders, Camille A., Homyack, Jessica A., Penaluna, Brooke E., Cronn, Richard C., and Weitemier, Kevin
Abstract:: Environmental DNA (eDNA) is an emerging biological monitoring tool that can aid in assessing the effects of forestry and forest manufacturing activities on biota. Monitoring taxa across broad spatial and temporal scales is necessary to ensure forest management and forest manufacturing activities meet their environmental goals of maintaining biodiversity. Our...
Resource Type:: Article

Estimating effects of arsenic exposure during pregnancy on perinatal outcomes in a Bangladeshi cohort

Creator:: Kile, Molly L., Cardenas, Andres, Rodrigues, Ema, Mazumdar, Maitreyi, Dobson, Christine, Golam, Mostofa, Quamruzzaman, Quazi, Rahman, Mahmudar, and Christiani, David C.
Abstract:: BACKGROUND: The relationship between arsenic and birth weight is not well understood. OBJECTIVE: To evaluate the causal relationship between prenatal arsenic exposure and birth weight considering the potential mediation effects of gestational age (GA) and maternal weight gain (MWG) during pregnancy using structural equation models (SEMs). METHODS: A prospectively enrolled...
Resource Type:: Article

Evaluating Agronomic Responses of Camelina to Seeding Date under Rain-Fed Conditions

Creator:: Sintim, Henry Y., Zheljazkov, Valtcho D., Obour, Augustine K., Garcia y Garcia, Axel, and Foulke, Thomas K.
Abstract:: The potential to use camelina (Camelina sativa L.) as a bioenergy crop has increased the need to develop management practices that would improve sustainable production. This study evaluated the effects by cultivars (Blaine Creek, Pronghorn, and Shoshone) and three spring seeding dates on the performance of camelina grown under rain-fed...
Resource Type:: Article

Evaluating the size and extent of paleolakes in central Tibet during the late Pleistocene

Creator:: Shi, Xuhua, Furlong, Kevin P., Kirby, Eric, Meng, Kai, Marrero, Shasta, Gosse, John, Wang, Erchie, and Phillips, Fred
Abstract:: Subhorizontal lake shorelines allow a geodynamic test of the size and extent of a hypothesized paleolake in central Tibet, the East Qiangtang Lake (EQL), during the last interglacial period (marine isotope stage (MIS) 5e). Reconstructions based on relict lake deposits suggest that the EQL would have been ~400 m deep...
Resource Type:: Article

Experimental Investigation of In-Tube Condensation of Low GWP Refrigerant R450A using a Fiber Optic Distributed Temperature Sensor

Creator:: Jacob, Tabeel A., Matty, Ethan P., and Fronk, Brian M.
Abstract:: Heat transfer coeﬃcients and frictional pressure drop values are experimentally measured during condensation of R134a and its proposed low global warming potential (GWP) replacement, R450A. R450A is a non-ﬂammable zeotropic mixture of R134a and R1234ze (42/58% by mass). Experiments were conducted in a horizontal tube (ID = 4.7 mm) for...
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Experimental investigation of supercritical carbon dioxide in horizontal microchannels with non-uniform heat flux boundary conditions

Creator:: Jajja, Saad A., Zada, Kyle R., and Fronk, Brian M.
Abstract:: Supercritical carbon dioxide (sCO2) experiences a drastic change in its thermophysical properties near the thermodynamic critical point. A non-linear thermophysical property variation can influence the heat transfer behavior of sCO2 which is not predicted well by conventional single phase heat transfer theory. This can become a major hindrance in the...
Resource Type:: Article

Fishery-specific solutions to seabird bycatch in the U.S. West Coast sablefish fishery

Creator:: Good, Thomas P., Jannot, Jason E., Melvin, Edward F., Gladics, Amanda J., Suryan, Robert M., and Guy, Troy J.
Abstract:: Bird scaring lines (BSLs) protect longline fishing gear from seabird attacks, save bait, reduce incidental seabird mortality and are the most commonly prescribed seabird bycatch mitigation measure worldwide. We collaborated with fishermen to assess the efficacy of applying BSL regulations from the demersal longline sablefish fishery in Alaska to a...
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Geometry and orientation effects in non-uniformly heated microchannel heat exchangers using supercritical carbon dioxide

Creator:: Jajja, Saad A., Sequeira, Jessa M., and Fronk, Brian M.
Abstract:: There is growing interest to use supercritical carbon dioxide (sCO2) as a working fluid in thermal management applications. This study investigates the thermal-hydraulic performance of microchannel heat sinks as a function of flow channel geometry and orientation at operating conditions representative of electronics cooling applications. Three different experimental test sections,...
Resource Type:: Article

Investigation of the combined efficiency of a solar/gas hybrid water heating system

Creator:: Karki, Saroj, Haapala, Karl R., and Fronk, Brian M.
Abstract:: In climate regions with large seasonal variations in solar radiation, such as the Pacific Northwest of the United States, a solar thermal energy collector might not economically satisfy year-round domestic water heating demands, requiring an auxiliary unit, such as a natural gas-fired water heater. Previous studies have shown that the...
Resource Type:: Article

Involving the users remotely : an exploratory study using asynchronous usability testing

Creator:: Filar Williams, Beth and Valla, Sara
Abstract:: Open Educational Resources (OER) are increasingly used in the higher education landscape as a solution for a variety of copyright, publishing and cost-prohibiting issues. While OERs are becoming more common, reports of usability tests that evaluate how well learners can use them to accomplish their learning tasks have lagged behind....
Resource Type:: Article

Librarian as Professor of Social Media Literacy

Creator:: Bridges, Laurie M.
Abstract:: Many high school teachers are prohibited from interacting with students in social media sites despite the fact that the majority of teenagers actively use them. The first opportunity most students have to interact with instructors in an online environment is in higher education. University and college librarians can take the...
Resource Type:: Article

Management of incidentally detected heart murmurs in dogs and cats

Creator:: Côté, Etienne, Edwards, N. Joel, Ettinger, Stephen J., Luis Fuentes, Virginia, MacDonald, Kristin A., Scansen, Brian A., Sisson, D. David, and Abbott, Jonathan A.
Abstract:: A dog or a cat has an incidentally detected heart murmur if the murmur is an unexpected discovery during a veterinary consultation that was not initially focused on the cardiovascular system. This document presents approaches for managing dogs and cats that have incidentally-detected heart murmurs, with an emphasis on murmur...
Resource Type:: Article

Modeling non-Darcy flows in realistic pore-scale proppant geometries

Creator:: Trykozko, Anna, Peszynska, Malgorzata, and Dohnalik, Marek
Abstract:: The ability to evaluate the effective permeability of proppant packs is useful in predicting the efficiency of hydraulic fracture installations. In this paper we propose a computational approach combining microimaging data from X-ray computed microtomography, the simulations of flow at pore-scale, and an upscaling process which identifies the effective model...
Resource Type:: Article

Morphological and genetic characterisation of Beauveria sinensis sp. nov. from China

Creator:: Chen, Ming-Jun, Huang, Bo, Li, Zeng-Zhi, and Spatafora, Joseph W.
Abstract:: Beauveria sinensis sp. nov. was isolated from a larva of Geometridae (Lepidoptera) collected from Tiantangzhai, Anhui province, China. It is characterized by elongated ellipsoidal to cylindrical conidia, solitary conidiogenous cells that are cylindrical or with slightly swollen bases, white to pale pink colony in culture, and small mycelial pellets consisting...
Resource Type:: Article

Nelumbo Nucifera leaf extract attenuated pancreatic ß-cells toxicity induced by interleukin-1ß and interferon-γ, and increased insulin secrection of pancreatic ß-cells in streptozotocin-induced diabetic rats

Creator:: Sharma, Bhesh Raj, Kim, Min Suk, and Rhyu, Dong Young
Abstract:: Objective: To evaluate the effect of Nelumbo Nucifera leaf water extract (NNLE) on insulinoma (RIN) cells induced by interleukin-1ß (IL-1ß) and interfer-on-g (IFN-γ), and injured pancreatic ß-cells induced by Streptozotocin (STZ) in rats. Methods: The anti-oxidative effects of NNLE were assessed using 1,1-diphenyl-2-picrylhydrazyl (DPPH) and nitric oxide (NO) scavenging assays....
Resource Type:: Article

Optimization of 3D printed liquid cooled heat sink designs using a micro-genetic algorithm with bit array representation

Creator:: Dokken, Connor B. and Fronk, Brian M.
Abstract:: The advancement of additive manufacturing enables significantly greater freedom of design compared to conventional techniques. Of significant interest is the potential improvements in the design of cold plates and heat sinks for electronics cooling. Greater design freedom could enable new designs that reduce thermal resistance and hydraulic resistance, enabling the...
Resource Type:: Article

Phytochemical, antioxidant and antibacterial potential of Elaeagnus kologa (Schlecht.) leaf

Creator:: Merculieff, Zoe, Ramnath, Shubharani, Sankoli, Seethalakshini Madhukar, Venkataramegowda, Sivaram, Murthy, Ganti S., and Ceballos, Ruben Michael
Abstract:: Objective: To screen different solvent extracts of Elaeagnus kologa (E. kologa) leaf to determine the phytochemicals, potent antioxidant and antibacterial activity to find out the possible source of applied pharmaceutical formulations. Methods: Solvent extracts of leaf material were prepared using the Soxhlet apparatus. A study was performed on antioxidant activity...
Resource Type:: Article

Potential effects of sea-level rise on plant productivity: species-specific responses in northeast Pacific tidal marshes

Creator:: Janousek, Christopher
Abstract:: Coastal wetland plants are adapted to varying degrees of inundation. However, functional relationships between inundation and productivity are poorly characterized for most species. Determining species-specific tolerances to inundation is necessary to evaluate sea-level rise (SLR) effects on future marsh plant community composition, quantify organic matter inputs to marsh accretion, and...
Resource Type:: Article

Reconciling Conflicting Phylogenies in the Origin of Sweet Potato and Dispersal to Polynesia

Creator:: Muñoz-Rodríguez, Pablo, Carruthers, Tom, Wood, John R.I., Williams, Bethany R.M., Weitemier, Kevin, Kronmiller, Brent, Ellis, David, Anglin, Noelle L., Longway, Lucas, Harris, Stephen A., Rausher, Mark D., Kelly, Steven, Liston, Aaron, and Scotland, Robert W.
Abstract:: The sweet potato is one of the world’s most widely consumed crops, yet its evolutionary history is poorly understood. In this paper, we present a comprehensive phylogenetic study of all species closely related to the sweet potato and address several questions pertaining to the sweet potato that remained unanswered. Our...
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Response of Conifer-Encroached Shrublands in the Great Basin to Prescribed Fire and Mechanical Treatments

Creator:: Miller, Richard F., Ratchford, Jaime, Roundy, Bruce A., Tausch, Robin J., Hulet, April, and Chambers, Jeanne
Abstract:: In response to the recent expansion of piñon and juniper woodlands into sagebrush-steppe communities in the northern Great Basin region, numerous conifer-removal projects have been implemented, primarily to release understory vegetation at sites having a wide range of environmental conditions. Responses to these treatments have varied from successful restoration of...
Resource Type:: Article

Simulation of membrane heat pump system performance for space cooling

Creator:: Bukshaisha, Ahmad A. and Fronk, Brian M.
Abstract:: Membrane based heat pumps systems have attracted the attention of many research groups as a potentially more environmentally friendly alternative to vapor compression systems for space cooling. Several prototype systems have been developed, with reported claims of Energy Efficiency Ratios (EER) approaching 26. At present, no detailed analysis is publicly...
Resource Type:: Article

Simulation of thermal hydraulic performance of multiple parallel micropin arrays for concentrating solar thermal applications with supercritical carbon dioxide

Creator:: Hyder, Matthew B. and Fronk, Brian M.
Abstract:: Concentrated solar power (CSP) plants have the potential to provide 24 h, renewable electricity. Current CSP systems have high capital and operational costs which makes the levelized cost of electricity uncompetitive with conventional techniques. Recent experimental research has shown the potential of small unit cells (up to 2 × 2 cm) containing micropin arrays...
Resource Type:: Article

The influence of sea ice and snow cover and nutrient availability on the formation of massive under-ice phytoplankton blooms in the Chukchi Sea

Creator:: Zhang, Jinlun, Ashjian, Carin, Campbell, Robert, Spitz, Yvette H., Steele, Michael, and Hill, Victoria
Abstract:: A coupled biophysical model is used to examine the impact of changes in sea ice and snow cover and nutrient availability on the formation of massive under-ice phytoplankton blooms (MUPBs) in the Chukchi Sea of the Arctic Ocean over the period 1988–2013. The model is able to reproduce the basic...
Resource Type:: Article

Two-phase flow regimes of condensing R-134a at low mass flux in rectangular microchannels

Creator:: Vanderputten, Michael A., Jacob, Tabeel A., Sattar, Maria, Ali, Nouman, and Fronk, Brian M.
Abstract:: Qualitative two-phase flow regime data are obtained from high-speed visualization of condensing flows of R-134a at mass fluxes from 75 to 150 kg m−2 s−1 and quality from 0.1 to 0.8 in square microchannels (DH = 0.84 mm) cooled from a single side. Superheated R-134a is distributed into multiple parallel microchannels and then partially condensed, using...
Resource Type:: Article

Universal interaction-driven gap in metallic carbon nanotubes

Creator:: Senger, Mitchell J., McCulley, Daniel R., Lotfizadeh, Neda, Deshpande, Vikram V., and Minot, Ethan D.
Abstract:: Suspended metallic carbon nanotubes (m-CNTs) exhibit a remarkably large transport gap that can exceed 100 meV. Both experiment and theory suggest that strong electron-electron interactions play a crucial role in generating this electronic structure. To further understand this strongly-interacting system, we have performed electronic measurements of suspended m-CNTs with known...
Resource Type:: Preprint and Article

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