RESUMOO câncer é uma doença que tem se destacado pelo aumento no número de casos em todo o mundo. Para esta doença, além da assistência médica, é de fundamental importância uma assistência psicológica adequada. A psico-oncologia surgiu a partir da necessidade do acompanhamento psicológico ao paciente oncológico, além de sua família e toda a equipe que o acompanha. Assim, o papel do psicólogo dentro do contexto oncológico é de prestar apoio psicossocial e psicoterapêutico diante do impacto do diagnóstico das consequências da doença, mostrando possibilidade de auxílio para um melhor enfrentamento e qualidade de vida do doente e de seus familiares. Este estudo teve como objetivo verificar as principais formas de intervenção do Psicólogo no contexto oncológico, bem como a eficácia destas intervenções e os consequentes benefícios desta abordagem para o paciente e seus familiares. Para tanto, foi realizada uma pesquisa bibliográfica, com o levantamento de estudos sobre o tema. A partir deste levantamento, pode-se concluir que no âmbito da oncologia, considerando o sofrimento provocado pela doença, o psicólogo insere-se como um profissional de fundamental importância na composição da equipe multiprofissional, atuando de forma a propiciar uma melhoria na qualidade de vida dos envolvidos neste processo, facilitando o estabelecimento de estratégias de enfrentamento e superação frente ao câncer.
The present work carried out an extensive and deepened study regarding the physicochemical characteristics of two Si-MCM-41-type supports, synthesized employing two distinct silica precursors, tetraethyl orthosilicate (TEOS) and rice husk ash (RHS), with the dispersion of nickel on the surface of the catalytic support. The direct influence of the active phase dispersion was analyzed, making a relationship with the formation of coke and with its performance on methane dry reform (DRM). The catalysts were prepared with 5, 10, and 20% (m/m) of Ni by wet impregnation method (with excess solvent), calcined at 800 ºC for 6 h, and characterized by the techniques of scanning electron microscopy and energy dispersive spectroscopy (SEM/ EDS), transmission electron microscopy (TEM), Brunauer-Emmett-Teller (BET)/Barret-JoyerHalenda (BJH), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), temperature-programmed ammonia desorption (TPD-NH3), and H2-temperature-programmed reduction (TPR). The DRM experiments were carried out at 800 °C for 24 h with a 1:1 CH4:CO2 molar ratio. Analyzes of gaseous products were performed in gas chromatography (GC) and the coke produced was estimated by temperature-programmed oxidation (TPO). The best reaction results were obtained for catalysts with 20% nickel, which were selective and stable within 24 h of reaction. Comparing the TEOS and RHS catalysts for 20% Ni, the DRM results were very similar. The catalysts on RHS support demonstrated a significant low formation of coke, which can be considered negligible in a 24 h reaction.
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