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Research ascribes that a variety of factors (e.g. course load, poor instruction, financial restraints) contribute to students' decisions to change majors and to drop out of college. Less well understood, however, is the influence of a sense of belonging on student persistence, particularly within engineering. Several studies have connected sense of belonging with retention, but few have focused on...
The study reported in this paper examined the connectedness of STEM faculty to others both within and across academic departments who might be potential resources for diffusion of Learner-centered practices, and the impact of participants' social networks on their Learner-centered beliefs and practices. The research question under investigation was: To what extent is the degree of social connectedness...
This paper describes a model for a virtual community of practice (VCP) to support faculty efforts to adopt research-based instructional strategies. The VCP was built on published recommendations for successful faculty development programs. The two leaders had expertise in the technical focus areas of chemical engineering and material science, as well as in engineering pedagogy. The participants were...
Well-designed formative feedback can enhance both instructor teaching and student learning with "two-way" feedback. The project goal was to use web-enabled tools and resources that facilitate the strategies, practices, and assessments that use frequent formative feedback to improve student attitude, learning, and achievement. The research question is, "What is the effect of formative...
A comprehensive examination of the mathematics courses undergraduate engineering majors take in their first two years, and their success in those courses was conducted to determine the impact of course level and grade on student persistence in engineering. Six hundred fifty five, full-time freshmen enrolled as engineering majors at a major university in the Southwest United States participated in...
Ion implantation is known for its precise control and reproducibility of doping, enabling it to become one of the main approaches for high-efficiency cell manufacturing in the solar industry. Among the dopant materials, boron doping often represents the largest challenge to productivity as the efficiency of the traditional doping material, boron trifluoride (BF3), is always low. This paper presents...
Class instruction is a living and ever evolving process aimed at providing students with a quality education. Instructors are responsible for analyzing their courses to ensure that delivery of information is effective. Changes made are usually based on student assessments; however, our reactions to assessments are flawed without student insight. One method to obtain student feedback is through muddiest...
Odanacatib (ODN) is a selective and reversible Cathepsin K (CatK) inhibitor currently being developed as a once weekly treatment for osteoporosis. Here, effects of ODN compared to alendronate (ALN) on bone turnover, DXA-based areal bone mineral density (aBMD), QCT-based volumetric BMD (vBMD) and geometric parameters were studied in ovariectomized (OVX) rhesus monkeys. Treatment was initiated 10days...
Two moderately lipophilic, high affinity ligands for metabotropic glutamate receptor subtype 1 (mGluR1) were radiolabeled with a positron‐emitting radioisotope and evaluated in rhesus monkey as potential PET tracers. Both ligands were radiolabeled with fluorine‐18 via nucleophilic displacement of the corresponding 2‐chloropyridine precursor with [18F]potassium fluoride. [18F]MK‐1312 was found to have...
Although a high ATP diffusion rate implies homogeneous distribution of the principal energetic currency in the cytosol, local diffusion barriers represented by macromolecular structures can render ATP concentrations to be inhomogeneous. A method is presented here that provides apparent diffusion coefficient values in local intracellular regions and allows the estimation of spatial metabolite distribution...
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