Robert L. Bridges

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A possible pathway for the anaerobic utilization of benzoic acid by a methanogenic consortium is suggested. Cyclohexane carboxylic acid and 1-cyclohexene-1-carboxylic acid have been identified as intermediates before ring rupture. Surprisingly, 3-cyclohexene-1-carboxylic acid interferes with utilization of other cyclic acids. In addition, isobutyric acid or(More)
Na(18)F, an early bone scintigraphy agent, is poised to reenter mainstream clinical imaging with the present generations of stand-alone PET and PET/CT hybrid scanners. (18)F PET scans promise improved imaging quality for both benign and malignant bone disease, with significantly improved sensitivity and specificity over conventional planar and SPECT bone(More)
In this paper we investigate the claim that academic journals are too expensive. We estimate library demand for academic journals and ask if short run profit maximization by publishers can explain observed prices. Libraries purchase a portfolio of journals so to estimate demand we extend the standard discrete choice model, and estimation methods, to allow(More)
Technetium-99m-labeled sucralfate, an ulcer-avid material, was shown in preliminary animal and human studies to be stable in vivo with good sensitivity. Eight experimentally produced discrete gastric ulcers in three rabbits were visualized using this material. Of seven human studies, four studies were true-positive and three were true-negative. It is(More)
With a topic such as federalism that has been so widely debated from so many perspectives, it would be impossible to provide a comprehensive review of the literature. Rather, we provide a particular perspective, one that balances the twin goals of political participation and economic welfare. To fashion such a balance, we first review the potential virtues(More)
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