Scott R Paulsen

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OBJECTIVE The risk of invasive colorectal cancer in colorectal polyps correlates with lesion size. Our purpose was to define the most accurate methods for measuring polyp size at CT colonography (CTC) using three models of workstations and multiple observers. MATERIALS AND METHODS Six reviewers measured 24 unique polyps of known size (5, 7, 10, and 12(More)
This study was designed to determine whether the reductions in GLUT-4 seen in 3-day-denervated muscles can be prevented through chemical activation of 5'-AMP-activated protein kinase (AMPK). Muscle AMPK can be chemically activated in rats using subcutaneous injections with 5-aminoimidazole-4-carboxamide-1-beta-D-ribofuranoside (AICAR). In this study, the(More)
It is shown from molecular statistical considerations that a demixing instability exists in the moment space of a microbial protein expression profile. Although avoidance of demixing is generally requisite for biological function, a comparison with proteomic and genomic data suggests that many microbes lie close to the onset of this instability. Over(More)
The 11 major land cover classes in Arizona, mapped on the facing page, are comprised of between one (e.g., Aspen, Ponderosa Pine) and 23 (e.g., Shrubland) of 77 vegetation subclasses. For each class, we used a geographic information system to identify the dominant subclasses (by total area) within each major land cover class: Aspen is dominated by Rocky(More)
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