Universidade Federal de Santa Catarina

About: Universidade Federal de Santa Catarina is a education organization based out in Florianópolis, Brazil. It is known for research contribution in the topics: Population & Context (language use). The organization has 28408 authors who have published 55433 publications receiving 714461 citations.

Systematic Review: Intersection between Communication and Knowledge

Abstract: Advances in technological possibilities have made communication present in different media and spaces. By enabling interaction between different countries, by becoming a facilitator between knowledge and innovation in the globalized world, it has opened frontiers by providing innovations in various sectors of the knowledge society. In this sense, the objective in this article is to map the intersection of communication, innovation and knowledge in the globalized world. To that end, the methodology used in the research was the systematic search of literature that pointed out that the intersection is motivated by the use of innovative technologies in the process of knowledge sharing, and studies are still scarce in this area. It is possible to perceive, further, that this intersection is branched out, through Social Sciences, Business, Management and Accounting, Computer Science, Medicine, Engineering, Decision Sciences, Nursing, Arts and Humanities, Economics, Econometrics and Finance, Psychology, aligned Health Professions, Agricultural and Biological Sciences, Biochemistry, Genetics and Molecular Biology, Energy, Environmental Science, Mathematics, Materials Science, Multidisciplinary, Neuroscience, Pharmacology, Toxicology and Pharmaceutical and Veterinary.

Comparison of various advanced oxidation processes for azo dye degradation.

Abstract: O objetivo deste estudo foi comparar os processos de oxidacao avancada (H2O2, UV, UV/H2O2, Fe2+/H2O2, UV/Fe2+/H2O2) para descoloracao do corante textil Reactive Red 195. Tambem foi investigada a utilizacao do po do desempoeiramento da ala de corrida do alto forno como fonte alternativa de ferro na peroxidacao catalitica, com e sem radiacao UV, para degradacao do corante. O efeito das concentracoes de H2O2 e corante na cinetica de descoloracao foram estudados. Os resultados indicaram que a maior eficiencia de descoloracao foi obtida atraves do sistema foto-Fenton com o uso do residuo; entretanto, a utilizacao do residuo no sistema Fenton sem irradiacao atingiu a mesma eficiencia, com tempo de reacao aumentado em apenas 15 minutos. A utilizacao do residuo siderurgico aumentou a velocidade de descoloracao, mostrando-se bastante promissora como fonte de ferro.

Influência da exposição gengival na estética do sorriso

Abstract: OBJECTIVE: The purpose of this study is to evaluate the gingival exposition influence on the smile esthetics and if exists different opinions about it between orthodontists, clinical dentists and lay person. METHODS: Photographs of male and female smiling faces were manipulated on the computer with different gingival exposition levels, which ranges from 4 mm gingival exposition to 4 mm upper lip incisor coverage. The photos were printed on a real face size, placed unordered to be analyzed by 30 orthodontists, 30 clinical dentists and 30 lay person. They had to rate between very bad, bad, regular, good and very good judging on smile attractiveness. RESULTS: The more attractive smile for the female individuals judged by the orthodontists, clinical dentists and lay person were the one in which the upper lip rest on the cervical edge on the upper incisor, showing all the incisor crown (p<0.05). For the male individual, the best smile for the lay person was the one with the upper lip on the cervical crown of the upper incisor, and the orthodontists and clinical dentists considered the most esthetics the upper lip on the cervical crown of the upper incisor or 2 mm upper lip incisor coverage (p<0.05). CONCLUSION: The attractive smile is influenced by the gingival exposition, having different opinions between orthodontists, clinical dentists and lay person.