The dynamics of stands In old-growth ponderosa pine (Pinus
ponderosa) forests on the eastern flank of the central Oregon
Cascades are Investigated. Age structure and spatial pattern of
ponderosa pine within the Pringle Falls Experimental Forest
Research Natural Area coupled with the fire history of the area
aid In Interpreting...
Shortnose Sucker (Chasimistes brevirostris) and Lost River Sucker (Deltistes luxatus) are endemic to the Upper Klamath Basin of Southern Oregon and Northern California. Populations of these fishes have been dwindling since the 1960’s and both species where listed to as endangered in 1988. Poor recruitment is thought to be a...
Chitosan based hemorrhage control dressings provide effective external hemorrhage control while having few side effects. Known residual contaminants present in chitosan formulations include endotoxins and proteins known to stimulate gene expression in the liver. This study investigated gene expression in the liver using rat bio-compatibility models to gain knowledge regarding...
Full Text:
Subcutaneous Chitosan Patch Formulations
Andrew Colburn1, Leslie Dyal, Ph.D.2 and John Mata Ph.D.2
Oregon
Chitosan based hemorrhage control dressings provide effective external hemorrhage control while having few side effects. Known residual contaminants present in chitosan formulations include endotoxins and proteins known to stimulate gene expression in the liver. This study investigated gene expression in the liver using rat bio-compatibility models to gain knowledge regarding...
Full Text:
Based Hemostatic Control Patch in Rat Models
By
AndrewJ. Colburn
A thesis submitted to
Oregon
The collapse of the I-35W Bridge in Minneapolis, MN in 2007 prompted an investigation into the design and inspection of the steel truss bridges. Further investigation into the collapse revealed that a gusset plate experienced sway buckling, causing the bridge failure. This bridge failure motivated research into the analysis and...
The most widely used and versatile medical radioisotope today is technetium-99m. Roughly 30 million people depend on this radioisotope for diagnostic procedures each year, and this demand is expected to grow. Although there are numerous ways of procuring this isotope, the most common and most practical, for reasons to be...
Large quantities of unused heavy oil and residual waste products from the petroleum refining industry were deposited in on-site landfills, pits, and lagoons, prior to the promulgation of regulations governing their disposal and technology development that would further utilize and/or recycle these materials.
Contacting petroleum products with sulfuric acid for...
The Bureau of Land Management's Lakeview District is
currently under pressure to allow 16,000 acres located throughout the
Christmas Lake Administrative Unit to be appropriated through the
Desert Land Entries Act of 1877. These appropriations are being
filed for by persons wishing to consolidate small public and private
land tracts...
Astragalus oniciformis Barneby is a xerophyte of the sagebrush deserts of central Idaho. It is a narrow endemic of the upper Snake River Plains where it inhabits stabilized, aeolian sand deposits over Quaternary basalt flows. The objective of this study was to determine the levels and distribution of genetic differentiation...
