18 research outputs found
Care in prevention of pressure ulcers of bedridden patients at home
This study was carried out in the catchment area of a Basic Health Unit in Joinville/SC patients bedridden at home. We aimed to characterize the risk of bedridden for developing pressure ulcers, describing the factors favorable to its emergence, and evaluate adherence to treatment prescribed to prevent this injury. This is a descriptive study. Data collection was carried out through an instrument containing identification data, clinical conditions of patients and the application of the Braden scale. It was evaluated 12 patients bedridden. The average age of the patients evaluated was 80.5 years. Most were white, with low education and dependent on public health services. All patients had some underlying disease, the most frequent the Stroke (CVA). The laid up time was 67 months (± 53). The mobility and sensory perception were completely or limited to 83% and 50% of the evaluated, respectively. 67% of users had very poor nutritional status or inadequate and 92% constantly moist or too moist skin. Low fluid intake was present for all participants. Adherence to prescribed care of the caregivers was partial. At the end of the study it was found that the findings are consistent with the literature data and the studied patients had an elevated risk for developing pressure ulcers, since the factors favorable to the appearance of the lesion showed with high frequencies
Partial contributions to the valence band of MO
We studied the partial contributions to the valence band spectra of MoO2, RuO2 and Rh2O3. The experimental technique of choice was the Cooper minimum method to X-ray photoemission spectroscopy. The spectra were interpreted with an extended cluster model and compared to usual band structure calculations. We conclude that, for the correct description of the valence band, one must include charge transfer, final-state and many-body effects in the description of the electronic structure of these compounds, which can also be extended to other systems
Neutron diffraction investigation of an in-plane biaxial fatigued stainless steel sample of cruciform geometry
Fatigue and fracture under multiaxial stresses are among the most important current research topics aimed at ensuring improved reliability of industrial components. An ex situ in-plane biaxial low cycle fatigued sample of cruciform geometry from austenitic stainless steel AISI 321 H was investigated on the FSD stress-diffractometer at the IBR-2 pulsed nuclear reactor by using the neutron strain scanner and the uniaxial stress rig. The phase composition of fatigued material was determined and the residual macrostresses and phase microstresses were measured. To the best of our knowledge, no neutron diffraction investigations of materials subjected to biaxial loading have been previously carried out. The first results of the neutron diffraction experiment are presented and discussed
Framework robustness in early d-block metal complexes with tripodal polyalcohol ligands
While performing our research on the tetranuclear "star-shaped" complexes formulated as [M3M'(LR)2(dpm)6], where M, M' are first-row d-block metals; H3LR is a tripodal alcohol, RC(CH2OH)3, with R = Et, Me or Ph; and Hdpm = dipivaloylmethane, we isolated a series of binuclear, alkoxide-bridged chelate complexes of titanium and chromium upon spontaneous deprotonation of the polyalcohol. In the titanium system, both [TiIII2Cl4(H2LEt)2]·4thf and [TiIV2Cl4(HLEt)2]·2thf were identified; they present analogous binuclear frameworks but distinct metal oxidation states and polyalcohol deprotonation degrees. Four similar CrIII2 compounds were also isolated, differing in the tripodal R groups and cocrystallized solvent or proligand molecules. The products were characterized by single-crystal X-ray diffraction analysis and spectroscopic, thermogravimetric and magnetic measurements. Cocrystallization influences the nature, strength and pattern of intermolecular interactions. Among the binuclear MIII products, all those containing solvating tetrahydrofuran, [M2Cl4(H2LR)2]·x thf (R = Et, Ph; x = 4 or 5 respectively), lose solvent upon gradual polyalcohol deprotonation, mild heating or vacuum drying. The versatile tripodal skeleton assembles the alkoxide-bridged M2 units (M = TiIII/IV or CrIII) in various experimental conditions, including air or inert atmosphere and non-protic or protic media, and confers remarkable robustness to the final binuclear aggregates
Does one hat fit all? The case of corporate leadership structure
Corporate governance, Leadership structure, CEO duality,