1,511 research outputs found

    Comparación entre la gravedad del paciente y la carga de trabajo de la enfermería antes y después de la ocurrencia de eventos adversos en ancianos con cuidados críticos

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    Indexación: Scopus.Objective: to compare the patient severity and the nursing workload before and after the occurrence of moderate and severe adverse events in elderly hospitalized at intensive care units. Method: comparative study developed at nine intensive therapy units of a University Hospital in São Paulo. The events were collected from the patient histories and classified as moderate and severe according to the World Health Organization. For the severity analysis, the Simplified Acute Physiologic Score II was used and, for the workload analysis, the Nursing Activities Score was applied 24 hours before and after the moderate and severe event. The t-test with 5% significance was used to compare the mean clinical severity and workload scores before and after the event. Results: the sample consisted of 315 elderly, 94 (29.8%) of whom were victims of moderate and severe events at the units. Among the 94 events, the clinical process and procedure type was predominant (40.0%). The installation and maintenance of therapeutic artifacts and catheters were the prevalent interventions that resulted in moderate (76.5%) physiopathological damage (66.0%). The mean workload score (75.19%) dropped 24 hours after the occurrence of the event (71.97%, p=0.008), and the severity, represented by the probability of death, increased from 22.0% to 29.0% after the event (p=0.045). Conclusion: in the patient safety context, the identification of the changes in clinical conditions and the nursing workload in elderly victims of events supports the prevention of these occurrences. © 2018, Universidade Federal de Santa Catarina. All rights reserved.Objetivo: comparar a gravidade do paciente e a carga de trabalho de enfermagem antes e após a ocorrência de evento adverso moderado e grave em idosos internados em unidades de terapia intensiva. Método: estudo comparativo, realizado em nove unidades de terapia intensiva de um Hospital Universitário de São Paulo. Os eventos foram coletados dos prontuários dos pacientes e classificados em moderados e graves segundo a Organização Mundial de Saúde. A análise da gravidade foi realizada segundo o Symplified Acute Phsiologic Score II e a carga de trabalho segundo o Nursing Activities Score, 24 horas antes e depois do evento moderado e grave. O teste t, com significância de 5%, foi utilizado para a comparação das médias da gravidade clínica e da carga de trabalho, antes e após o evento. Resultados: a amostra foi composta por 315 idosos, sendo que 94 (29,8%) sofreram eventos moderados e graves nas unidades. Dos 94 eventos, predominou o tipo processo clínico e procedimento (40,0%). A instalação e manutenção de artefatos terapêuticos e cateteres foram as intervenções prevalentes que resultaram em danos fisiopatológicos (66,0%), de grau moderado (76,5%). A média de pontuação da carga de trabalho (75,19%) diminuiu 24 horas após a ocorrência do evento (71,97%, p=0,008) e, a gravidade, representada pela probabilidade de morte, aumentou de 22,0% para 29,0% depois do evento (p=0,045). Conclusão: no contexto da segurança do paciente, a identificação das alterações nas condições clínicas e na carga de trabalho de enfermagem em idosos que sofrem eventos subsidiam a prevenção dessas ocorrências.Objetivo: comparar la gravedad del paciente y la carga de trabajo en enfermería antes y después de ocurrir un evento adverso moderado y grave en ancianos internados en unidades de terapia intensiva. Método: estudio comparativo realizado en nueve unidades de terapia intensiva de un Hospital Universitario de São Paulo. Los eventos fueron obtenidos a través de los prontuarios de los pacientes y clasificados en moderados y graves según la Organización Mundial de la Salud. El análisis sobre la gravedad fue realizado de acuerdo al Symplified Acute Physiologic Score II y la carga de trabajo se hizo conforme al Nursing Activities Score, 24 horas antes y después del evento moderado y grave. El test t, con una significancia del 5%, fue utilizado para la comparación de los promedios de la gravedad clínica y de la carga de trabajo antes y después del evento. Resultados: la muestra incluyó 315 ancianos, siendo que 94 (29,8%) sufrieron eventos moderados y graves en las unidades. De los 94 eventos, predominó el tipo de proceso clínico y el procedimiento (40,0%). La instalación y mantenimiento de artefactos terapéuticos y catéteres fueron las intervenciones prevalentes que resultaron en daños fisiopatológicos (66,0%) y de grado moderado (76,5%). El promedio de puntuación de la carga de trabajo (75,19%) disminuyó 24 horas después de ocurrido el evento (71,97%, p=0,008) y la gravedad, representada por la probabilidad de muerte, aumentó de 22,0% para 29,0% después del evento (p=0,045). Conclusion: en el contexto de seguridad del paciente, la identificación de las alteraciones en las condiciones clínicas y en la carga de trabajo de enfermería en los ancianos que sufren eventos subsidia la prevención de tales ocurrencias.http://ref.scielo.org/wcg6x

    Chemical, physical and morphological characterization of ZnNi films electrodeposited on 1010 steel substrate from acid baths containing polyalcohol

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    AbstractZnNi alloy electrodeposition on a 1010 steel electrode in boric-acid baths containing sorbitol, mannitol or glycerol was investigated by cyclic voltammetry. Electrodeposits obtained galvanostatically were characterized by SEM, EDS and XRD. It was found that in baths containing sorbitol or mannitol, the deposition current density (jd) was reduced, but in none of the baths was the initial deposition potential affected. SEM images of deposits revealed that the boric-sorbitol and boric-mannitol complexes refine the grain, even at high jd. XRD patterns of the ZnNi deposits produced at jd=50mAcm−2, in ZnNi1 bath and in ZnNi1 bath contained sorbitol or mannitol, indicated that the films were formed mainly of Zn and γ1 phases. To ZnNi2 baths contained glycerol the films were formed of γ and γ1 phases. The Ni content in the deposits produced in the bath without polyalcohol or containing glycerol increased from ~5 to 19wt.% with increasing jd. With sorbitol or mannitol, there was a smaller rise from ~7 to 10wt.% Ni. Thus, ZnNi deposits providing sacrificial protection can be obtained in baths with or without polyalcohol. The linear polarization method showed that ZnNi alloy deposited from baths contained polyalcohol have greate Rp

    Behaviour and performance of lactating sows housed in different types of farrowing rooms during summer

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    AbstractThirty mixed-parity Landrace×Large White sows were used to evaluate the effects of the type of farrowing room on 28-day lactation behaviour under tropical conditions during summer. The sows were allocated in a completely randomised design with three treatments with 10 replicates according to parity number and body weight, with each animal being considered an experimental unit. The treatments consisted of a conventional farrowing room (T1); a conventional farrowing room with floor cooling under the sow (T2); and a semi-outdoor farrowing room without a cage and with access to a fenced field (T3). The sows from T1 and T2 groups were exposed to mean maximum and minimum environmental temperatures of 25.7 and 21.0°C, respectively, and the sows from the T3 group to average maximum and minimum environmental temperatures of 26.5 and 20.7°C, respectively. The feed consumption of T3 sows was numerically higher than the T1 and T2 sows (+9.5% on average). The body-weight loss was influenced at 28days (P<0.10) by treatment, being that the T3 sows gained weight (+4.7kg) while the T1 and T2 sows lost weight (−11.9 and −3.7kg, respectively for T1 and T2). The T3 sows showed a higher percentual litter mortality than the T1 and T2 sows (3.2% vs. 0% vs. 7.8%, respectively for T1, T2 and T3 sows). From farrowing until day 28 of lactation, the T2 and T3 sows showed higher lactation efficiency when compared with the T1 sows (72% vs. 87% vs. 88%, respectively for T1, T2 and T3 sows). The T1 sows showed higher (P<0.01) frequencies of visits to the feeder and drinker (+38% on average). The T3 sows spent more time (P<0.01) at the drinker than T1 and T2 sows (23 vs. 23 vs. 32min, respectively for T1, T2 and T3 sows). The T3 sows showed a higher (P<0.10) frequency of nursing than the other treatments (+15% on average). T1 and T2 sows were found to spend more time (P<0.01) performing other postures during 24h than sows maintained in T3 (50 vs. 51 vs. 22min/d, respectively for T1, T2 and T3). It is concluded that cooling of the floor under the sow in the conventional farrowing room or the use of semi-outdoor farrowing rooms improves the thermal environment and the lactation efficiency of the sows housed in hot ambient temperatures at 28-day lactation in the summer period, indicating an improved welfare

    A Combination Of The -α3.7 And -medii Alleles Causing Hemoglobin H Disease In A Brazilian Patient

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    Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)39180832014/00984-3, FAPESP, Fundação de Amparo à Pesquisa do Estado de São PauloFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP

    Interface state contribution to the photovoltaic effect in organic phototransistors:Photocapacitance measurements and optical sensing

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    Made available in DSpace on 2018-12-11T16:50:21Z (GMT). No. of bitstreams: 0 Previous issue date: 2018-01-01Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Instituto Nacional de Ciência e Tecnologia em Eletrônica OrgânicaWe report the results of an investigation into the contribution that trapping in interface states makes to the photovoltaic effect observed in organic phototransistors. To isolate this effect from other processes that occur in the transistor structure when under illumination, we focus attention on the photo-response of metal-insulator-semiconductor (MIS) capacitors - the core structure of transistors. The capacitors comprised poly(3-hexylthiophene), (P3HT), as the active semiconductor in combination with one of three insulators, namely, poly(amide-imide), (PAI), SU-8 photoresist and polysilsesquioxane (PSQ). Following initial characterization in the dark, the capacitor response was measured both during and after irradiation with light in the wavelength range 400–700 nm. Three different approaches were employed to study the photo-response, each providing a different insight into the processes occurring. Capacitance-voltage sweeps before, during and after illumination provided direct evidence supporting the view that the photovoltaic effect occurred as a result of electron trapping in interface states of density up to ∼2 × 1012 cm−2 in the P3HT/PAI combination but lower for SU-8 and PSQ. The dynamic photo-response, in which device capacitance was held constant by changing the applied bias, showed a fast component related to optically induced photoconduction in the semiconductor and a slower component reflecting the dynamics of interface electron trapping. Finally, photo-induced capacitance changes occurring with constant applied voltage were used to demonstrate a simple 3 × 3 imaging array.School of Electronic Engineering Bangor University, Dean StreetBrazilian Nanotechnology National Laboratory (LNNano) Brazilian Centre of Research in Energy and Materials (CNPEM)Department of Physics São Paulo State University (UNESP), PO Box 266Institute of Physics of São Carlos University of São Paulo (USP), PO Box 369Catarinense Federal Institute of Education Science and Technology, PO Box 21Department of Physics São Paulo State University (UNESP), PO Box 26

    Comparative Study Of Electron And Positron Scattering By H2: The Role Of The Σg+2 Feshbach Resonance

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    We report two-channel calculations for e± - H2 scattering (X Σg+1 →X Σg+1, B Σu+3 for electrons and X Σg+1 →X Σg+1, B Σu+1 for positrons). We provide independent estimates of the electron Σg+2 Feshbach resonance (though for a limited range of interatomic distances) in good agreement with benchmark calculations. Resonance enhanced vibrational excitation cross sections were obtained with a time-dependent local complex potential approach and compare favorably with recent calculations and experimental data. The time resolution also provides good physical insight into the transient dynamics. In a previous work, we predicted the existence of a positron-hydrogen Σg+2 Feshbach resonance based on a fixed-nuclei scattering calculation (equilibrium geometry) that was not observed experimentally. We further investigate the resonance potential in this study and our results indicate that the Σg+2 potential crosses the B Σu+1 state just above the equilibrium interatomic distance of the ground state, giving rise to a short-lived transient. Though the positronium formation channel could also play a role, the state crossing sheds light on the controversy between theory and experiment. © 2008 The American Physical Society.784Schulz, G.J., (1973) Rev. Mod. Phys., 45, p. 423. , 10.1103/RevModPhys.45.423Grill, A., (1994) Cold Plasma Materials Fabrication: From Fundamentals to Applications, , IEEE Press, New YorkBoudaïffa, B., Cloutier, P., Hunting, D., Huels, M.A., Sanche, L., (2000) Science, 287, p. 1658. , 10.1126/science.287.5458.1658Pan, X., Cloutier, P., Hunting, D., Sanche, L., (2003) Phys. Rev. Lett., 90, p. 208102. , 10.1103/PhysRevLett.90.208102De Carvalho, C.R.C., Varella Do N, M.T., Lima, M.A.P., Da Silva, E.P., (2003) Phys. Rev. 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    Communication: Transient Anion States Of Phenol...(h2o) N (n = 1, 2) Complexes: Search For Microsolvation Signatures

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    We report on the shape resonance spectra of phenol-water clusters, as obtained from elastic electron scattering calculations. Our results, along with virtual orbital analysis, indicate that the well-known indirect mechanism for hydrogen elimination in the gas phase is significantly impacted on by microsolvation, due to the competition between vibronic couplings on the solute and solvent molecules. This fact suggests how relevant the solvation effects could be for the electron-driven damage of biomolecules and the biomass delignification [E. M. de Oliveira et al., Phys. Rev. A 86, 020701(R) (2012)]. We also discuss microsolvation signatures in the differential cross sections that could help to identify the solvated complexes and access the composition of gaseous admixtures of these species. © 2014 AIP Publishing LLC.1415NSF; National Stroke FoundationSanche, L., (2005) Eur. Phys. J. D, 35, p. 367. , For a review, see, 10.1140/epjd/e2005-00206-6Wang, C.-R., Nguyen, J., Lu, Q.-B., (2009) J. Am. Chem. Soc., 131, p. 11320. , 10.1021/ja902675gBaccarelli, I., Bald, I., Gianturco, F.A., Illenberger, E., Kopyra, J., (2011) Phys. Rep., 508, p. 1. , 10.1016/j.physre2011.06.004Bettega, M.H.F., Lima, M.A.P., (2007) J. Chem. Phys., 126, p. 194317. , 10.1063/1.2739514De Oliveira, E.M., Lima, M.A.P., Bettega, M.H.F., Sanchez, S.D.A., Da Costa, R.F., Varella, M.T.D.N., (2010) J. Chem. Phys., 132, p. 204301. , 10.1063/1.3428620Baccarelli, I., Grandi, A., Gianturco, F.A., Lucchese, R.R., Sanna, N., (2006) J. Phys. Chem. B, 110, p. 26240. , 10.1021/jp065872nFabrikant, I.I., Caprasecca, S., Gallup, G.A., Gorfinkiel, J.D., (2012) J. Chem. Phys., 136, p. 184301. , 10.1063/1.4706604Freitas, T.C., Lima, M.A.P., Canuto, S., Bettega, M.H.F., (2009) Phys. Rev. A, 80, p. 062710. , 10.1103/PhysRevA.80.062710Freitas, T.C., Coutinho, K., Varella, M.T.D.N., Lima, M.A.P., Canuto, S., Bettega, M.H.F., (2013) J. Chem. Phys., 138, p. 174307. , 10.1063/1.4803119De Oliveira, E.M., Sanchez, S.D.A., Bettega, M.H.F., Natalense, A.P.P., Lima, M.A.P., Do Varella N, M.T., (2012) Phys. Rev. A, 86, pp. 020701-R. , 10.1103/PhysRevA.86.020701Jordan, K.D., Michejda, J.A., Burrow, P.D., (1976) J. Am. Chem. Soc., 98, p. 7189. , 10.1021/ja00439a014Khatymov, R.V., Muftakhov, M.V., Mazunov, V.A., (2003) Rapid Commun. Mass Spectrom., 17, p. 2327. , 10.1002/rcm.1197Dos Santos, J.S., Da Costa, R.F., Varella, M.T.D.N., (2012) J. Chem. Phys., 136, p. 084307. , 10.1063/1.3687345Bettega, M.H.F., Ferreira, L.G., Lima, M.A.P., (1993) Phys. Rev. A, 47, p. 1111. , 10.1103/PhysRevA.47.1111Da Costa, R.F., Da Paixão, F.J., Lima, M.A.P., (2004) J. Phys. B, 37, pp. L129. , 10.1088/0953-4075/37/6/L03Takatsuka, K., McKoy, V., (1981) Phys. Rev. A, 24, p. 2473. , 10.1103/PhysRevA.24.2473Takatsuka, K., McKoy, V., (1984) Phys. Rev. A, 30, p. 1734. , 10.1103/PhysRevA.30.1734Barreto, R.C., Coutinho, K., Georg, H.C., Canuto, S., (2009) Phys. Chem. Chem. Phys., 11, p. 1388. , 10.1039/b816912h(1998) CRC Handbook of Chemistry and Physics, , 79th ed., edited by D. R. Lide (CRC, Boca Raton)http://dx.doi.org/10.1063/1.4892066Nenner, I., Schulz, G.J., (1975) J. Chem. Phys., 62, p. 1747. , 10.1063/1.430700Winstead, C., McKoy, V., (2007) Phys. Rev. Lett., 98, p. 113201. , 10.1103/PhysRevLett.98.113201Winstead, C., McKoy, V., (2007) Phys. Rev. A, 76, p. 012712. , 10.1103/PhysRevA.76.012712Mažín, Z., Gorfinkiel, J.D., (2011) J. Chem. Phys., 135, p. 144308. , 10.1063/1.3650236Modelli, A., Burrow, P.W., (2004) J. Phys. Chem. A, 108, p. 5721. , 10.1021/jp048759aSchmidt, M.W., Baldridge, K.K., Boatz, J.A., Elbert, S.T., Gordon, M.S., Jensen, J.H., Koseki, S., Montgomery, J.A., (1993) J. Comput. Chem., 14, p. 1347. , 10.1002/jcc.540141112Kossoski, F., Bettega, M.H.F., Varella, M.T.D.N., (2014) J. Chem. Phys., 140, p. 024317. , 10.1063/1.4861589Gallup, G., Burrow, P., Fabrikant, I., (2009) Phys. Rev. A, 79, p. 042701. , 10.1103/PhysRevA.79.042701Gallup, G., Burrow, P., Fabrikant, I., (2009) Phys. Rev. A, 80, p. 046702. , 10.1103/PhysRevA.80.046702Scheer, A.M., Mozejko, P., Gallup, G.A., Burrow, P.D., (2007) J. Chem. Phys., 126, p. 174301. , 10.1063/1.2727460Asmis, K.R., Allan, M., Pyrrole Data in the Gallery of Unpublished EEL Spectra, , http://www.chem.unifr.ch/ma/dir_allan/pyrrole_EELS.pdfHaxton, D.J., McCurdy, C.W., Rescigno, T.N., (2007) Phys. Rev. A, 75, p. 012710. , 10.1103/PhysRevA.75.012710Bode, B.M., Gordon, M.S., (1998) J. Mol. Graphics Modell., 16, p. 133. , 10.1016/S1093-3263(99)00002-9Fuke, K., Kaya, K., (1983) Chem. Phys. Lett., 94, p. 97. , 10.1016/0009-2614(83)87218-

    Elastic Scattering Of Low-energy Electron By Lignin Precursors

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    We present cross sections for electron collisions with monolignol precursors obtained with the Schwinger Multichannel method. For Cs phenol system, π* resonances are found in the A" irreducible representation. So, mechanisms for dissociative electron attachment could give rise if σ* resonances are found in the monolignols. © Published under licence by IOP Publishing Ltd.388PART 5De Cerqueira Leite, R.C., (2009) Energy, 34, p. 655. , 10.1016/j.energy.2008.11.001 0360-5442Oliveira, C., (2008) Appl. Phys. Lett., 93, p. 041503. , 10.1063/1.2967016 0003-6951Boudaïffa, B., (2000) Sience, 287, p. 1658. , 10.1126/science.287.5458.1658 0036-8075Da Costa, R.F., (2004) J. Phys. B: At. Mol. Phys., 37, p. 129. , 0953-4075 L0

    6Li direct breakup lifetimes

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    alpha-d coincidence data were studied for the 6Li + 59Co reaction at E(lab) = 29.6 MeV. By using a kinematic analysis, it was possible to identify which process, leading to the same final state, has the major contribution for each of the selected angular regions. Contributions of the 6Li sequential and direct breakup to the incomplete fusion/transfer process were discussed by considering the lifetimes obtained by using a semiclassical approach, for both breakup components.Comment: 5 pages, 4 figures, Invited Talk (Parrallel Sessions) of A. Szanto de Toledo, prepared for the Proccedings of the 10th International Conference on Nucleus-Nucleus Collisions, August 16-21, 2009, Beijing, China; submitted to Nucl. Phys. A (Proceedings of NN2009

    Study of 9Be+12C elastic scattering at energies near the Coulomb barrier

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    In this work, angular distribution measurements for the elastic channel were performed for the 9Be+12C reaction at the energies ELab=13.0, 14.5, 17.3, 19.0 and 21.0 MeV, near the Coulomb barrier. The data have been analyzed in the framework of the double folding S\~ao Paulo potential. The experimental elastic scattering angular distributions were well described by the optical potential at forward angles for all measured energies. However, for the three highest energies, an enhancement was observed for intermediate and backward angles. This can be explained by the elastic transfer mechanism. Keywords: 9Be+12C, Elastic Scattering, S\~aoo Paulo Potential
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