5,953 research outputs found
Prejudice, Vulnerability, Adhesion Process, Religiousness Regarding the Life Routine with AIDS: Life Stories
Objective: To communicate life stories of people who suffer from
acquired immunodeficiency-syndrome with a higher vulnerability
registered at the Municipal Secretary of Social Assistance and the
diagnostic’s influence on their daily routine.
Method: Descriptive and exploratory study based on oral life history.
Thirteen people with AIDs took part in the study via a semi-structured
interview. The narratives were analyzed using Bardin’s thematic content
analysis.
Results: Three thematic axes emerged from Bardin’s content analysis:
prejudice and discrimination regarding the life routine with aids; Reaction
when facing the diagnostic and the adhesion process for the
antiretroviral treatment; Confrontation of religion and religiousness on
people with aids.
Conclusion: The people living with aids, a chronic and stigmatizing
disease, need the support of multidisciplinary teams and an improvement
in relation to the access, the coverage and the meaning assigned
to the disease, besides a better quality of life and social assistance.
We conclude that religion did not contribute to facing these people’s
conditions. It brought blame, incorrect information that may impair
the treatment and their follow-up. One infers that health education regarding
HIV/AIDS needs to be remodeled on all of society’s segments
Patients with multiple sclerosis do not necessarily consume more alcohol or tobacco than the general population
Peer reviewedPublisher PD
A versatile matching algorithm based on dynamic programming with circular order preserving
This paper presents an assignment algorithm with circular order preserving constraint. Given a cost affinity matrix and the desired percentage of correspondences, the algorithm implemented using dynamic programming determines the correspondence of type one-to-one of minimum global cost. Here, it was applied to optimize the global matching between two sets of ordered points that represent the contours of objects previously segmented from images. In the tests performed, we considered affinity matrices previously built based on information on curvature and distance to centroid. The results that have been obtained are better than the ones presented in previous studies, for the cases in which partial deformations or occlusions are involved
Time resolved emission spectroscopy of poly(2,5-dicyano-p-phenylene-vinylene) films
Films of poly (2,5-dicyano-p-phenylene vinylene), DCNPPV, were obtained by electrochemical synthesis over gold thin layer (20 nm) transparent electrode deposited on a glass plate. The DCNPPV films of 4 µm thickness were produced by electropolymerization process of α,α,α',α'-tetrabromo-2-5-dicyano-p-xilene at different applied potentials (-0.15, -0.25, -0.40, -0.60, -0.80, and -1.0 V) using 0.1 mol L-1 of tetraethylammonium bromide in acetonitrile as the supporting electrolyte. The emission decays have three exponential components: a fast component in the picosecond range (200-400 ps), and two other of about one and five nanoseconds at 293 K. The fluorescence quenching process seems to occur by exciton trapping in a low-energy site and quenching by residual bromine monomer attached at the end of the polymer chain. However, the electrochemical synthesis generates entrapped bromide or ion pairs during the growth step of the film which also contributes to the deactivation. The change of the electrolyte from bromide to perchlorate reduces significantly this additional quenching effect by allowing ion exchange of formed bromide with the nonquenching perchloride anion.Filmes finos de poli(2,5-diciano-p-fenileno vinileno), DCNPPV, foram produzidos por síntese eletroquímica com variação do potencial aplicado de-0,15 até-1,0 V, e depositados sobre camada fina de ouro sobre vidro. A cinética de estado excitado destes materiais foi investigada por medidas de decaimentos de fluorescência. Os filmes apresentam decaimentos com três componentes, uma rápida da ordem de 200-400 picossegundos, e outra duas componentes de aproximadamente um e cinco nanossegundos, na temperatura de 293 K. O decaimento de fluorescência ocorre pela desativação em sítios de baixa energia na cadeia polimérica conjugada e por supressão do estado excitado por monômeros bromados terminais da cadeia e íons brometo aprisionados durante o crescimento eletroquímico do filme. A mudança do ânion do eletrólito suporte de brometo para perclorato reduziu de modo significativo essa contribuição de supressão do estado excitado como resultado da troca iônica por uma espécie não supressora.FAPESPCNP
Diversity of plant growth-promoting bacteria associated with sugarcane
The sugarcane (Saccharum spp) presents economic importance, mainly for tropical regions, being an important Brazilian commodity. However, this crop is strongly dependent on fertilizers, mainly nitrogen (N). This study assessed the plant growth-promoting bacteria (PGPB) associated with sugarcane that could be used as a potential inoculant to the crop. We evaluated the genetic diversity of PGPB in the plant tissue of sugarcane varieties (RB 867515, RB 1011, and RB 92579). The primer BOX-A1R was used to differentiate the similar isolated and further sequencing 16S rRNA ribosomal gene. The 16S rRNA gene showed the presence of seven different genera distributed into four groups, the genus Bacillus, followed by Paenibacillus (20%), Burkholderia (14%), Herbaspirillum (6%), Pseudomonas (6%), Methylobacterium (6%), and Brevibacillus (3%). The molecular characterization of endophytic isolates from sugarcane revealed a diversity of bacteria colonizing this plant, with a possible biotechnological potential to be used as inoculant and biofertilizers
Why not "do simple things in a simple way": Use of the Pap test as the first step in screening genetic stability for human cultured stem cell therapy?
The aim of this study was to analyze adipose tissue-derived mesenchymal stem cells (AT-MSCs) using the Pap test as a first screening step to evaluate genetic stability. Human adipose tissue from six healthy female donors was obtained from elective liposuction procedures. The cells were isolated, cultivated at P2/P3, characterized by flow cytometric analysis, and differentiation induced. The AT-MSCs were stained by Papanicolaou staining and analyzed according to the Bethesda classification, and viability-apoptosis relationships were evaluated. The results of the Pap test for Sample I indicated high-grade alterations consistent with genetic instability; for Samples II-V, atypical cells of undetermined significance; and for Sample VI, normal cells. These results demonstrate the potential of using the Pap test as an initial screening step to evaluate the genetic stability of cultured AT-MSCs and also suggest its use for other adherent cells such as embryonic stem cells or induced pluripotent stem cells
Contribuição dos racemos na produção de mamoneira em consórcios com culturas alimentícias
A mamoneira (Ricinus communis L.) é uma oleaginosa importante no cenário econômico devido, principalmente, à utilização do óleo extraído da semente. O entrave para a expansão dessa cultura pelos pequenos produtores é a impossibilidade de utilizá-la para alimentação, por isso, a importância de estudos que aliem o consorcio desta espécie com alimentícias, garantindo segurança alimentar e melhoria da renda. Com objetivo de avaliar a produtividade e a contribuição dos racemos na produção de mamona foram desenvolvidos dois experimentos, na Fazenda Lavoura Seca da Universidade Federal do Ceará, Quixadá-CE, 2011. Os experimentos consistiram nos consórcios entre plantas de mamona cv. BRS Energia com feijão caupi cv. Setentão e o com milho BRS 206. Foram avaliadas a produção e participação dos racemos primário, secundário e terciário como também a produtividade total em bagas e em grãos. Os dados de produtividade foram submetidos à análise de variância e as médias comparadas pelo teste de Tukey (p < 0,05). Nos consórcios de mamona com feijão caupi e com milho, os racemos secundário e primário tiveram as maiores participações na produção, respectivamente. O feijão caupi não afetou o rendimento da mamoneira, diferentemente das plantas de milho que reduziram a produtividade da mamona quando consorciadas
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