4,194 research outputs found
Augustana Seniors Fall 1883: Gustaf Sven Swenson
Gustaf Swenson was a senior at Augustana College, Rock Island, Illinois, in the fall of 1883. His name appears in the college catalog of 1883 – 1884, along with his birthplace, the year of his birth, and a few other facts. From this start, we researched the genealogy and family history of Gustaf Swenson. This paper contains a short biography of Gustaf Swenson, a report on his ancestors, a report on his descendants, and some open questions for further research
Adoption Of ASL Classifiers As Delivered By Head-Mounted Displays In A Planetarium Show
Accommodating the planetarium experience to members of the deaf or hard-of-hearing community has often created situations that are either disruptive to the rest of the audience or provide an insufficient accommodation. To address this issue, we examined the use of head-mounted displays to deliver an American Sign Language sound track to learners in the planetarium Here we present results from a feasibility study to see if an ASL sound track delivered through a head-mount display can be understood by deaf junior to senior high aged students who are fluent in ASL. We examined the adoption of ASL classifiers that were used as part of the sound track for a full dome planetarium show. We found that about 90% of all students in our sample adopted at least one classifier from the show. In addition, those who viewed the sound track in a head-mounted display did at least as well as those who saw the sound track projected directly on the dome. These results suggest that ASL transmitted through head-mounted displays is a promising method to help improve learning for those whose primary language is ASL and merits further investigation
Acute Cryptococcal Immune Reconstitution Inflammatory Syndrome in a Patient on Natalizumab
Presented is the first case of acute immune reconstitution inflammatory syndrome (IRIS)-associated cryptococcal meningoencephalitis in a patient on natalizumab for multiple sclerosis. The patient developed acute cerebral edema after initiation of amphotericin B. We propose several mechanisms that explain the acuity of IRIS in this specific patient population and suggest possible therapies
Chimpanzee Rights: The Philosophers' Brief
In December 2013, the Nonhuman Rights Project (NhRP) filed a petition for a common law writ of habeas corpus in the New York State Supreme Court on behalf of Tommy, a chimpanzee living alone in a cage in a shed in rural New York (Barlow, 2017). Under animal welfare laws, Tommy’s owners, the Laverys, were doing nothing illegal by keeping him in those conditions. Nonetheless, the NhRP argued that given the cognitive, social, and emotional capacities of chimpanzees, Tommy’s confinement constituted a profound wrong that demanded remedy by the courts. Soon thereafter, the NhRP filed habeas corpus petitions on behalf of Kiko, another chimpanzee housed alone in Niagara Falls, and Hercules and Leo, two chimpanzees held in
research facilities at Stony Brook University. Thus began the legal struggle to move these chimpanzees from captivity to a sanctuary, an effort that has led the NhRP to argue in multiple courts before multiple judges. The central point of contention has been whether Tommy, Kiko, Hercules, and Leo have legal rights. To date, no judge has been willing to issue a writ of habeas corpus on their behalf. Such a ruling would mean that these chimpanzees have rights that confinement might violate. Instead, the judges have argued that chimpanzees cannot be bearers of legal rights because they are not, and cannot be persons. In this book we argue that chimpanzees are persons because they are autonomous
Exact Results on the Space of Vacua of Four Dimensional SUSY Gauge Theories
We consider four dimensional quantum field theories which have a continuous
manifold of inequivalent exact ground states -- a moduli space of vacua.
Classically, the singular points on the moduli space are associated with extra
massless particles. Quantum mechanically these singularities can be smoothed
out. Alternatively, new massless states appear there. These may be the
elementary massless particles or new massless bound states.Comment: 19 pages, RU-94-1
Evidence of the Harmonic Faraday Instability in Ultrasonic Atomization Experiments with a Deep, Inviscid Fluid
A popular method for generating micron-sized aerosols is to submerge ultrasonic (ω~MHz) piezoelectric oscillators in a water bath. The submerged oscillator atomizes the fluid, creating droplets with radii proportional to the wavelength of the standing wave at the fluid surface. Classical theory for the Faraday instability predicts a parametric instability driving a capillary wave at the subharmonic (ω/2) frequency. For many applications it is desirable to reduce the size of the droplets; however, using higher frequency oscillators becomes impractical beyond a few MHz. Observations are presented that demonstrate that smaller droplets may also be created by increasing the driving amplitude of the oscillator, and that this effect becomes more pronounced for large driving frequencies. It is shown that these observations are consistent with a transition from droplets associated with subharmonic (ω/2) capillary waves to harmonic (ω) capillary waves induced by larger driving frequencies and amplitudes, as predicted by a stability analysis of the capillary waves
Benefits of robotic cystectomy with intracorporeal diversion for patients with low cardiorespiratory fitness: a prospective cohort study
Background:
Patients undergoing radical cystectomy have associated comorbidities resulting in reduced cardiorespiratory fitness. Preoperative cardiopulmonary exercise testing (CPET) measures including anaerobic threshold (AT) can predict major adverse events (MAE) and hospital length of stay (LOS) for patients undergoing open and robotic cystectomy with extracorporeal diversion. Our objective was to determine the relationship between CPET measures and outcome in patients undergoing robotic radical cystectomy and intracorporeal diversion (intracorporeal robotic assisted radical cystectomy [iRARC]).
Methods:
A single institution prospective cohort study in patients undergoing iRARC for muscle invasive and high-grade bladder cancer. Inclusion: patients undergoing standardised CPET before iRARC. Exclusions: patients not consenting to data collection. Data on CPET measures (AT, ventilatory equivalent for carbon dioxide [VE/VCO2] at AT, peak oxygen uptake [VO2]), and patient demographics prospectively collected. Outcome measurements included hospital LOS; 30-day MAE and 90-day mortality data, which were prospectively recorded. Descriptive and regression analyses were used to assess whether CPET measures were associated with or predicted outcomes.
Results:
From June 2011 to March 2015, 128 patients underwent radical cystectomy (open cystectomy, n = 17; iRARC, n = 111). A total of 82 patients who underwent iRARC and CPET and consented to participation were included. Median (interquartile range): age = 65 (58–73); body mass index = 27 (23–30); AT = 10.0 (9–11), Peak VO2 = 15.0 (13–18.5), VE/VCO2 (AT) = 33.0 (30–38). 30-day MAE = 14/111 (12.6%): death = 2, multiorgan failure = 2, abscess = 2, gastrointestinal = 2, renal = 6; 90-day mortality = 3/111 (2.7%). AT, peak VO2, and VE/VCO2 (at AT) were not significant predictors of 30-day MAE or LOS. The results are limited by the absence of control group undergoing open surgery.
Conclusions:
Poor cardiorespiratory fitness does not predict increased hospital LOS or MAEs in patients undergoing iRARC. Overall, MAE and LOS comparable with other series
Neutron Correlations in the Decay of the First Excited State of 11Li
The decay of unbound excited 11Li was measured after being populated by a two-proton removal from a 13B beam at 71 MeV/nucleon. Decay energy spectra and Jacobi plots were obtained from measurements of the momentum vectors of the 9Li fragment and neutrons. A resonance at an excitation energy of ∼1.2 MeV was observed. The kinematics of the decay are equally well fit by a simple dineutron-like model or a phase-space model that includes final state interactions. A sequential decay model can be excluded
The effect of a quantitative resuscitation strategy on mortality in patients with sepsis: A meta-analysis
Objective
Quantitative resuscitation consists of structured cardiovascular intervention targeting predefined hemodynamic end points. We sought to measure the treatment effect of quantitative resuscitation on mortality from sepsis.
Data Sources
We conducted a systematic review of the Cochrane Library, MEDLINE, EMBASE, CINAHL, conference proceedings, clinical practice guidelines, and other sources using a comprehensive strategy.
Study Selection
We identified randomized control trials comparing quantitative resuscitation with standard resuscitation in adult patients who were diagnosed with sepsis using standard criteria. The primary outcome variable was mortality.
Data Abstraction
Three authors independently extracted data and assessed study quality using standardized instruments; consensus was reached by conference. Preplanned subgroup analysis required studies to be categorized based on early (at the time of diagnosis) vs. late resuscitation implementation. We used the chi-square test and I2 to assess for statistical heterogeneity (p 25%). The primary analysis was based on the random effects model to produce pooled odds ratios with 95% confidence intervals.
Results
The search yielded 29 potential publications; nine studies were included in the final analysis, providing a sample of 1001 patients. The combined results demonstrate a decrease in mortality (odds ratio 0.64, 95% confidence interval 0.43–0.96); however, there was statistically significant heterogeneity (p = 0.07, I2 = 45%). Among the early quantitative resuscitation studies (n = 6) there was minimal heterogeneity (p = 0.40, I2 = 2.4%) and a significant decrease in mortality (odds ratio 0.50, 95% confidence interval 0.37–0.69). The late quantitative resuscitation studies (n = 3) demonstrated no significant effect on mortality (odds ratio 1.16, 95% confidence interval 0.60–2.22).
Conclusion
This meta-analysis found that applying an early quantitative resuscitation strategy to patients with sepsis imparts a significant reduction in mortality
Effects of Bolus vs. Metered Rehydration Rates on Fluid Retention and Hydration Efficiency using 150% Fluid Replacement.
Effects of Bolus vs. Metered Rehydration Rates on Fluid Retention and Hydration Efficiency using 150% Fluid Replacement. Authors: Jared Graham (Masters), Tiffany Newcomb (Masters), Nathan Frischman (Undergraduate), Eric Jones (Ph D) Department of Kinesiology and Health Science Stephen F. Austin State University Nacogdoches TX. 75962 Purpose: This study assessed differences in urine production using bolus vs. metered ingestion fluid consumption during post-exercise rehydration. Methods: Using light to moderate activity in an environmentally controlled chamber (35°C), 9 male subjects were dehydrated by ~ 2% body weight. Following dehydration, counterbalanced rehydration trials (water) were performed in which two different methods of rehydrating; metered consumption (18.75% of total volume every 30mins for 4 hours) and bolus consumption (150% of total volume within 1 hour) were utilized. Urine production was evaluated and reported each hour during an eight-hour period following exercise to evaluate net fluid balance and hydration efficiency (fluid consumed vs. fluid retained). Results: Paired samples T-test revealed no significant differences (p=.94) between the two rehydration methods for hydration efficiency (bolus 41.5% vs. metered 42%) or net fluid balance (mean urine production: bolus 1347ml vs. metered 1337ml). Conclusions: Previous research using 100% fluid replacement (water) has revealed that metered consumption improves hydration efficiency and net fluid balance. However, the current findings suggest that any advantages gained through varying fluid consumption rates may be nullified by larger total rehydration volumes (150%)
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