1,187 research outputs found

    Coast Guard Public Affairs Middle Management and the Excellence Study

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    As is the nature of any organization, the U.S. Coast Guard is constantly seeking to improve its functions, operations, policies and procedures. In terms of communications, the service’s Public Affairs Program has instituted a number of different competencies and qualifications to better prepare candidates as they approach the next rank. This study sought to provide an outline of the middle-management component as it exists within the public affairs element and compare the findings to those published in the Excellence Study to assist the service by providing a basis from which additional policy recommendations could be made. The study was conducted through an examination of two occupational surveys, focusing on the findings most relevant to the middle-management component in regard to their role within the public affairs command structure, their professional orientation a culminating term referencing their education, training and experience, and their job satisfaction, which informs to the overall organizational culture and structure of the military public affairs program. The findings indicate that the public affairs middle management are strictly confined to the role of the Expert Prescriber or that of a communications subject matter expert, who makes prescriptive contributions, but rarely stimulates dialogue on the subject. In terms of professional orientation, the middle-management component has a menu of internal trainings available through the Defense Information School, which facilitates increased departmental professional orientation – the foundation of communications excellence. Lastly, the level of job satisfaction identified through the surveys spoke to the organizational type of Formalization, which is a type unique for its strict, militaristic adherence to policy and procedure. While this type has been found to have negative impacts on job satisfaction as it applies to autonomy and creativity, it also was found to have a positive impact in terms of clarity of direction and operations, which increases job satisfaction

    Frustrated phase separation in two-dimensional charged systems

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    We study phase separation frustrated by the long-range Coulomb interaction in two dimensional electronic systems with emphasys in the case of a metallic and an insulating phase. We find that two-dimensional systems are more prone to mesoscopic frustrated phase separation than the three dimensional ones.Comment: 15 pages, 11 figure

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    Experimental and ab initio determination of the bending potential of HCP

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    The emission properties of HCP excited to the A, B, and d electronic states have been studied. Lifetimes and quenching rates have been measured. By spectrally resolving the emission spectrum, the energy of 94 vibrational levels of the ground electronic state have been measured to an accuracy of ≈5 cm−1. These energy levels were fit to experimental accuracy by a rigid bender Hamiltonian thereby determining the bending potential over a range of bending angle from 0 to 100° (0–17 500 cm−1). An ab initio bending potential has been computed for HCP and found to be in excellent agreement with the experimentally fitted one over the range that the experimental data span. This potential predicts that HPC has an energy maximum with respect to the bending coordinate. The bending potential decreases monotonically by about 30 000 cm−1 in going from HPC to HCP.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/69992/2/JCPSA6-82-10-4460-1.pd

    Sites of strong Rec12/Spo11 binding in the fission yeast genome are associated with meiotic recombination and with centromeres

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    Meiotic recombination arises from Rec12/Spo11-dependent formation of DNA double-strand breaks (DSBs) and their subsequent repair. We identified Rec12-binding peaks across the Schizosaccharomyces pombe genome using chromatin immunoprecipitation after reversible formaldehyde cross-linking combined with whole-genome DNA microarrays. Strong Rec12 binding coincided with previously identified DSBs at the recombination hotspots ura4A, mbs1, and mbs2 and correlated with DSB formation at a new site. In addition, Rec12 binding corresponded to eight novel conversion hotspots and correlated with crossover density in segments of chromosome I. Notably, Rec12 binding inversely correlated with guanine-cytosine (GC) content, contrary to findings in Saccharomyces cerevisiae. Although both replication origins and Rec12-binding sites preferred AT-rich gene-free regions, they seemed to exclude each other. We also uncovered a connection between binding sites of Rec12 and meiotic cohesin Rec8. Rec12-binding peaks lay often within 2.5kb of a Rec8-binding peak. Rec12 binding showed preference for large intergenic regions and was found to bind preferentially near to genes expressed strongly in meiosis. Surprisingly, Rec12 binding was also detected in centromeric core regions, which raises the intriguing possibility that Rec12 plays additional roles in meiotic chromosome dynamic

    Incidence and Causes of Hospital Readmission in Pediatric Patients after Hematopoietic Cell Transplantation

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    AbstractAllogeneic (allo) and autologous (auto) hematopoietic cell transplantation (HCT) provide the potential to cure otherwise fatal diseases but they are resource-intense therapies. There is scant literature describing the burden of hospital readmission in the critical 6-month period of immunosuppression after HCT. We report the incidence, causes, and outcomes of readmission in the 6 months after day 0 of HCT and in the 30 days after hospital discharge. This study is an institutional review board–approved retrospective medical record review of children who underwent HCT at a single institution. Between January 1, 2008 and December 31, 2011, 291 children underwent HCT at our institute. Of these, 140 patients were excluded because they were not followed primarily at our institute for the first 6 months after transplantation, 14 patients were excluded because they died during their initial hospitalization, and 1 patient was excluded because the initial hospitalization was longer than 6 months. Of the remaining 136 patients, 63% had at least 1 readmission. Of the patients who underwent allo-HCT, 78% were readmitted, in contrast to 38% of auto-HCT patients (P < .001). For the 206 readmissions, the mean length of hospital stay was 10.7 days (range, 1 to 129). Seventy-two percent of auto-HCT patients were initially readmitted for fever, and 46% ultimately had a source identified. No risk factors for readmission were found in the auto-HCT group. Fifty-two percent of allo-HCT patients were readmitted for fever and 28% of these patients ultimately had an identified source. Gastrointestinal-related problems accounted for 30% of primary readmissions among allo-HCT patients. Patients with an unrelated donor had a trend towards increased rates of 30-day readmission (P = .06) and were more likely to have a second readmission (P = .002). Patients who were cytomegalovirus (CMV) positive before transplantation were more likely to be readmitted (P = .02). The majority of children who undergo HCT are readmitted during the critical 180 days after transplantation. Readmission is much more common among allo-HCT patients, in particular those with unrelated donors and CMV-positive serologies before transplantation. Fever is the most common cause of readmission in these patients, and serious infections are identified in a significant portion of patients. These findings and future research in this area will help improve both patient education and resource utilization

    Hyponatremia in a Cold Weather Ultraendurance Race

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    We assessed the incidence and etiology of hyponatremia in the 100-mile (161 km) Iditasport ultramarathon. Subjects (8 cyclists, 8 runners) were weighed and serum sodium was measured pre- and post-race. Race diets were analyzed to determine fluid and sodium consumption. Subjects were split by post-race serum sodium concentration into hyponatremic and normonatremic groups for statistical analyses. Seven of 16 subjects (44%) were hyponatremic. The hyponatremic group exhibited a significant decrease in serum sodium concentration (137.0 to 132.9 mmol/L, and the normonatremic group experienced a significant decrease in weight (82.1 to 80.2 kg) pre- to post-race. The hypornatremic group drank more friud per hour (0.5 versus 0.4 L/h) and consumed less sodium per hour (235 versus 298 mg/h) compared to the normonatremic group. In conclusion, hyponatremia is common in an ultraendurance race held in the extreme cold, and may be caused by excessive fluid consumption and/or inadequate sodium intake
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