Index Catalog // ScholarsArchive@OSU

Molecular origins of peptide entrapment in polyethylene oxide layers

Creator:: Wu, Xiangming
Abstract:: A more quantitative understanding of peptide entrapment and elution from otherwise protein-repellent polyethylene oxide (PEO) brush layers will provide direction for development of new strategies for drug storage and delivery. Here we describe criteria for peptide integration and structural change within the PEO brush, and discuss the reversibility of peptide...
Resource Type:: Dissertation
Full Text:: peptide S-WLBU2, and the non-amphiphilic homopolymer poly-L-arginine (PLR). Circular dichroism (CD) was

Development of a process for fabricating high-aspect-ratio, meso-scale geometries in stainless steel

Creator:: Walker, Benjamin A.
Abstract:: Miniature energy and chemical systems (MECS) are miniature thermal, fluid, and chemical devices in the mesoscale size range between a sugar cube and a human fist. MECS take advantage of improved rates of mass and heat transfer that have been observed at the microscale. There are many potential applications for...
Resource Type:: Masters Thesis
Full Text:: 0.003" 302 stainless steel. These laminates were then joined via diffusion bonding. The process

Headwater stream characterization : an energy and physical approach to stream temperature using distributed temperature sensing

Creator:: Roth, Travis R.
Abstract:: Headwater streams are an integral part of the ecological health of the greater stream network as they provide valuable biological habitat, provide upwards to 95% of total in channel flow, while providing downstream reaches with important constituents such as sediment and woody debris. Small headwater streams are particularly susceptible to...
Resource Type:: Masters Thesis
Full Text:: , respectively. Total energy inputs into the upper and lower sections of the stream were 302 W/m2 and 210 W/m2

Binding of bacterial lipopolysaccharide by the cationic amphiphilic peptide WLBU2 at interfaces

Creator:: Ryder, Matthew P.
Abstract:: Passage of blood through a sorbent device for removal of bacteria and endotoxin by specific binding with immobilized, membrane-active, bactericidal peptides holds promise for treating severe blood infections. Peptide insertion in the target membrane and stable binding is desirable, while membrane disruption and release of degradation products to the circulating...
Resource Type:: Dissertation
Full Text:: PmB. Circular dichroism spectra confirmed that WLBU2, which shows disordered structure in aqueous

Accuracy and suitability of several stand sampling methods in riparian zones

Creator:: Marquardt, Theresa
Abstract:: Stand structure in headwater riparian areas of western Oregon is highly variable making quantification of structural attributes within these stands difficult. A reliable sampling design is important to characterize and monitor changes in stand structure over time. This study examined sixteen alternatives for sampling live conifers and six alternatives for...
Resource Type:: Masters Thesis
Full Text:: , rectangular strip designs oriented perpendicular to the stream outperformed circular, radial plots, and

Prediction and Measurement of Polycyclic Aromatic Hydrocarbons (PAHs) Transformation Products in the Environment.

Creator:: Titaley, Ivan A.
Abstract:: Polycyclic aromatic hydrocarbons (PAHs) are a group of environmental contaminants consisting of fused benzene rings. Parent-PAHs, methylated-PAHs (MPAHs), and PAHs with molecular weight of 302 a.m.u (MW302-PAHs) are considered as unsubstituted-PAHs. These unsubstituted-PAHs undergo transformation reactions resulting in the formation of PAH-transformation products (PAH-TPs), or substituted-PAHs, including nitrated-, oxygenated-, and...
Resource Type:: Dissertation
Full Text:: with molecular weight of 302 a.m.u (MW302-PAHs) are considered as unsubstituted-PAHs. These

Structural and activity characterization of irradiated antimicrobial peptide (WLBU2) for use in blood processing and biomedical applications

Creator:: Cheung, Daniel Y. C.
Abstract:: Sepsis is a life-threatening blood infection which leads to an uncontrolled systemic inflammatory state. In North America alone, sepsis annually afflicts approximately 750,000 individuals and kills 38-50% of these (more than HIV/AIDS, breast cancer, and colon cancer combined). Current treatment involves administration of IV fluids, antibiotics and hemoperfusion, requiring prolonged...
Resource Type:: Honors College Thesis
Full Text:: circular dichroism (CD), and mass spectrometry to characterize chemical and structural changes caused by

Mechanical characterization of a simple gel in a prototype device that models a degenerative intervertebral disc

Creator:: Cenar, Yannick
Abstract:: A large part of low-back pain occurrences are due to disc herniation or prolapse of the nucleus pulposus. An alternative technique to existing treatments of low back pain includes nucleus pulposus replacement by an artificial material to relieve pain and restore normal function. To date, there has been a deficiency...
Resource Type:: Masters Thesis
Full Text:: , which consisted of a circular disc shape with a lateral channel to simulate an annular tear. Agarose

Nisin adsorption and function at hydrophobic surfaces coated with the poly[ethylene oxide]-poly[propylene oxide]-poly[ethylene oxide] triblock surfactant Pluronic® F108

Creator:: Tai, Yuan-Ching
Abstract:: The adsorption and elution of the antimicrobial peptide nisin at hydrophobic, silanized silica surfaces coated with the poly[ethylene oxide]-poly[propylene oxide]- poly[ethylene oxide] surfactant Pluronic® F108 was measured in situ, with ellipsometry. While such layers are known to inhibit protein adsorption, nisin was observed to adsorb in multilayer quantities, to an...
Resource Type:: Dissertation
Full Text:: - coated substrates was most pronounced in the presence of blood proteins. Circular dichroism

Conifer regeneration, understory vegetation and artificially topped conifer responses to alternative silvicultural treatments

Creator:: Huff, Tristan
Abstract:: Historically, between 40-60% of the Coast Range of Oregon was comprised of structurally diverse, old forests initiated by disturbances of various spatial scales ranging from thousands of acres (large fires) to the size of a single tree (windthrow). The predominant regeneration method of the past several decades, however, has been...
Resource Type:: Masters Thesis
Full Text:: selection- 33% of volume removed in 0.2 to 1.0 ha circular, square, or strip-shaped gaps. All harvested

ScholarsArchive@OSU

Molecular origins of peptide entrapment in polyethylene oxide layers

Development of a process for fabricating high-aspect-ratio, meso-scale geometries in stainless steel

Headwater stream characterization : an energy and physical approach to stream temperature using distributed temperature sensing

Binding of bacterial lipopolysaccharide by the cationic amphiphilic peptide WLBU2 at interfaces

Accuracy and suitability of several stand sampling methods in riparian zones

Prediction and Measurement of Polycyclic Aromatic Hydrocarbons (PAHs) Transformation Products in the Environment.

Structural and activity characterization of irradiated antimicrobial peptide (WLBU2) for use in blood processing and biomedical applications

Mechanical characterization of a simple gel in a prototype device that models a degenerative intervertebral disc

Nisin adsorption and function at hydrophobic surfaces coated with the poly[ethylene oxide]-poly[propylene oxide]-poly[ethylene oxide] triblock surfactant Pluronic® F108

Conifer regeneration, understory vegetation and artificially topped conifer responses to alternative silvicultural treatments

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