137 research outputs found

    Onward and Upward: The Legacy of Black Urologists in America

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    In partnership with the American Urological Association\u27s William P. Didusch Center for Urologic History, Henry Ford Health hosted a Grand Rounds event from 7 – 9 a.m. Wednesday, June 14, in the Buerki Auditorium at Henry Ford Hospital. The event highlights the contributions of Black urologists to the history of medicine despite systemic racism in the medical field and across the country. Covering the impact of exclusion and segregation in the past, as well as present day issues such as microaggressions and cultural insensitivity, the lecture and discussion calls for a future of successfully integrating medicine to achieve better outcomes for physicians and their patients. The schedule of the event is as follows: 7 a.m.: Welcome by Craig Rogers, M.D., Chair, Department of Urology, Vattikuti Urology Institute. Introductory remarks by Adnan Munkarah, M.D., President, Care Delivery System and Chief Clinical Officer and Steven Kalkanis, M.D., CEO of Henry Ford Medical Group and CEO of Henry Ford Hospital. 7:10 a.m.: Keynote speaker Arthur L. Burnett II, M.D., MBA., FACS., professor of urology, Johns Hopkins University School of Medicine will present “Onward and Upward: The Legacy of Black Urologists in America. 7:30 a.m.: Panel discussion moderated by Linda McIntire, M.D., President, R. Frank Jones Urological Society, and graduate of Henry Ford urology program, featuring the panelists listed below. Melvin Hollowell, M.D., FACS Dr. Hollowell earned his medical degree in 1959 and has practiced in Detroit for 64 years. At 93 years young, he is still practicing today. Isaac Powell, M.D. Dr. Powell graduated with his medical degree in 1969 and became the first African American graduate from the Henry Ford Hospital urology program in 1974. Conrad Maitland, M.D. Dr. Maitland has been practicing for 40 years and is himself a survivor of prostate cancer - a disease that disproportionately affects Black men. Ray Littleton, M.D. Dr. Littleton joined the senior staff at Henry Ford Hospital in 1980 and helped pioneer minimally invasive surgery by performing the first percutaneous kidney stone removal in Michigan in 1983

    Salmonella and Campylobacter spp. in Northern Elephant Seals, California

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    Campylobacter and Salmonella spp. prevalence and antimicrobial drug sensitivity were determined in northern elephant seals that had not entered the water and seals that were stranded on the California coast. Stranded seals had a higher prevalence of pathogenic bacteria, possibly from terrestrial sources, which were more likely to be resistant

    Athlete experiences of disordered eating in sport

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    To date, research into disordered eating in sport has focused on the prevalence and the identification of putative risk factors. Findings suggest that elite female athletes participating in sports with a focus on leanness or aesthetics are at greatest risk. A paucity of research remains as to the period after onset and how existing sufferers manage their illness over time. In line with the principles of interpretative phenomenological analysis (IPA), this study 'gives voice' to four athletes who have experienced disordered eating, documenting their personal accounts and interpreting these accounts from a psychological perspective. In‐depth, semi‐structured interviews were conducted and verbatim transcripts were analysed according to the procedures of IPA. Three superordinate themes emerged from the data: the struggle to disclose, social support needs and identity challenges. Athletes' stories provided rich descriptions of their subjective disordered eating experiences. Their accounts give critical insight into the impact of eating disturbance on the lives of athletes. Future research should continue to identify athletes with existing eating problems in order to improve understanding as to how such individuals can best be helped

    Adsorption of mono- and multivalent cat- and anions on DNA molecules

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    Adsorption of monovalent and multivalent cat- and anions on a deoxyribose nucleic acid (DNA) molecule from a salt solution is investigated by computer simulation. The ions are modelled as charged hard spheres, the DNA molecule as a point charge pattern following the double-helical phosphate strands. The geometrical shape of the DNA molecules is modelled on different levels ranging from a simple cylindrical shape to structured models which include the major and minor grooves between the phosphate strands. The densities of the ions adsorbed on the phosphate strands, in the major and in the minor grooves are calculated. First, we find that the adsorption pattern on the DNA surface depends strongly on its geometrical shape: counterions adsorb preferentially along the phosphate strands for a cylindrical model shape, but in the minor groove for a geometrically structured model. Second, we find that an addition of monovalent salt ions results in an increase of the charge density in the minor groove while the total charge density of ions adsorbed in the major groove stays unchanged. The adsorbed ion densities are highly structured along the minor groove while they are almost smeared along the major groove. Furthermore, for a fixed amount of added salt, the major groove cationic charge is independent on the counterion valency. For increasing salt concentration the major groove is neutralized while the total charge adsorbed in the minor groove is constant. DNA overcharging is detected for multivalent salt. Simulations for a larger ion radii, which mimic the effect of the ion hydration, indicate an increased adsorbtion of cations in the major groove.Comment: 34 pages with 14 figure

    Effective interaction between helical bio-molecules

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    The effective interaction between two parallel strands of helical bio-molecules, such as deoxyribose nucleic acids (DNA), is calculated using computer simulations of the "primitive" model of electrolytes. In particular we study a simple model for B-DNA incorporating explicitly its charge pattern as a double-helix structure. The effective force and the effective torque exerted onto the molecules depend on the central distance and on the relative orientation. The contributions of nonlinear screening by monovalent counterions to these forces and torques are analyzed and calculated for different salt concentrations. As a result, we find that the sign of the force depends sensitively on the relative orientation. For intermolecular distances smaller than 6A˚6\AA it can be both attractive and repulsive. Furthermore we report a nonmonotonic behaviour of the effective force for increasing salt concentration. Both features cannot be described within linear screening theories. For large distances, on the other hand, the results agree with linear screening theories provided the charge of the bio-molecules is suitably renormalized.Comment: 18 pages, 18 figures included in text, 100 bibliog

    Psicopatologia descritiva: aspectos histĂłricos e conceituais

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    Long-Baseline Neutrino Facility (LBNF) and Deep Underground Neutrino Experiment (DUNE) Conceptual Design Report Volume 2: The Physics Program for DUNE at LBNF

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    The Physics Program for the Deep Underground Neutrino Experiment (DUNE) at the Fermilab Long-Baseline Neutrino Facility (LBNF) is described

    Highly-parallelized simulation of a pixelated LArTPC on a GPU

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    The rapid development of general-purpose computing on graphics processing units (GPGPU) is allowing the implementation of highly-parallelized Monte Carlo simulation chains for particle physics experiments. This technique is particularly suitable for the simulation of a pixelated charge readout for time projection chambers, given the large number of channels that this technology employs. Here we present the first implementation of a full microphysical simulator of a liquid argon time projection chamber (LArTPC) equipped with light readout and pixelated charge readout, developed for the DUNE Near Detector. The software is implemented with an end-to-end set of GPU-optimized algorithms. The algorithms have been written in Python and translated into CUDA kernels using Numba, a just-in-time compiler for a subset of Python and NumPy instructions. The GPU implementation achieves a speed up of four orders of magnitude compared with the equivalent CPU version. The simulation of the current induced on 10^3 pixels takes around 1 ms on the GPU, compared with approximately 10 s on the CPU. The results of the simulation are compared against data from a pixel-readout LArTPC prototype

    The Sample Analysis at Mars Investigation and Instrument Suite

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    Arthroscopic repair of SLAP lesions with a bioknotless suture anchor. Arthroscopy

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    Abstract: The diagnosis and treatment of SLAP tears have improved with the development of arthroscopic shoulder surgery techniques. With types 2 and 4 tears, the goal is to restore stability to the labrum and biceps anchor and achieve healing to the glenoid. Suture repair with anchors is currently the repair technique of choice. The purpose of this article is to report a fast and simple method for arthroscopic SLAP repair that uses knotless suture anchors and obviates complex suture management and arthroscopic knot tying
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