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The effect of varying velocity during jet injection on the dispersion of fluid into tissue is investigated using a custom-built X-ray imaging system. Injections are performed into ex-vivo porcine abdominal tissue using a voice coil actuated injection device. Single velocity and two-phase velocity injections reveal the complex nature of the dispersion of the fluid jet in layered tissue and highlight...
We present an inexpensive imaging system for measuring the diffuse surface radiance profile produced by a light source within a turbid medium. The diffusion model of light propagation in multiple scattering media is used to estimate the optical properties of a sample and subsequently approximate the depth of an optical source. The system is shown to accurately estimate the relative changes in source...
Since the 1980s, empirical analyses of the system of medical malpractice have revealed that it largely fails to provide reasonable compensation for injured individuals, or to provide appropriate incentive for safety and prevention. The most promising approaches for reform involve fundamental system changes rather than tinkering with tort doctrine.
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