289 resultados para Átomos confinados


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Pós-graduação em Educação para a Ciência - FC

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Pós-graduação em Física - IGCE

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A presente invenção apresenta a síntese do peptídeo AcWahxKTTKS, onde foi adicionada à “sequência mãe” (KTTKS) uma molécula de ácido capróico, que é um ácido graxo insaturado composto por 6 átomos de carbono, encontrado naturalmente nas gorduras e óleos minerais, para conferir um grau de lipofilicidade ao peptídeo e favorecer na permeabilidade do mesmo na pele. Adicionou-se também o triptofano, que é um aminoácido aromático essencial para a nutrição humana, visando proporcionar fluorescência ao peptídeo e assim quantificá-lo na pele através de um método mais eficiente e sensível. O triptofano foi acetilado para diminuir a interação do peptídeo com a água, a fim de ajudar na penetração do peptídeo na pele. O peptídeo AcWahxKTTKS estimula a síntese de colágeno nos fibroblastos, reduzindo ou eliminando, desta forma, as rugas e linhas de expressão na pele.

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Pós-graduação em Ciência e Tecnologia Animal - FEIS

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Based in aesthetic relationship between concepts of content and form intends to establish an relationship of analogy between ornaments and crystals. With the objective of building an theoretical investigation of relating the dynamics that happens in the crystals´ atoms to the symmetrical intervals of the ornamental patterns, it tries to draw a reasoning line that is going from the ‘Idea’ of Plato and ‘poiésis’ of Aristotle, until Hegel's philosophical enlargement, that admits the aesthetics as a science of the art integrated in a metaphysical process. Inherent to this question intends, in interrelation terms between aesthetics and metaphysics, content as being intelligent beginning, energy, and form as primitive element, matter, in order to evidence the possibility to calculate the same present symmetries in the ornamental arts like in the nature.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Pós-graduação em Medicina Veterinária - FCAV

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In Brazil, the commercial breeding of wild boars (Sus scrofa scrofa) is rapidly expanding. Given the significance of reference values for biochemical analysis for diagnosis of pathological processes and the limitation of data in the literature on this species, Blood samples were collected for determination of biochemical values in 160 wild boars from 180 to 300 days old, clinically healthy farms. The reference range for creatinine was similar to the normal range for swine (1,0 – 2,7mg/dL). There were differences between genders, only for the determination of urea, where the males were higher, although similar to pigs (10 – 30mg/dL). The females, with values from 13.03 to 44.78 mg / dL, do not have statistically significant.

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The objective of this study was toevaluatethe effect of the co-digestion of triturated sugarcane with beef cattlerfeddlotmanure in continuous digestorsin the amount and quality of biogas and biofertilizer. To do so, the work was divided in three steps. The first and the second part lasted30 days each and evaluated the effect of the additionof 7% of triturated sugarcane in agreement with the followingtreatments:treatment, the digestors were supplied with a mixture of 0,250 kg of manure and 1,750 kg of water ;treatment 2, the digestors were supplied with a mixture of 0,250 kg of manure, 1,610 kg of water, and 0,140 kg of triturated sugarcane. To The third period lasted 30 days and evaluated the effect of adding 3.5% of sugarcane crushed. The data analyses was performed with randomized designusing SAS®program with level of significance of 5%. The digesters with sugarcane produced in the first period respectively 0.79, 0.0127, and 0.102 m3of total production, of biogas production per kilogram of substrate, and of total production per kilogram of manure versus 0.5, 0.0081, and 0.065 m3from the control treatment, respectively..In the thirdperiod,each variable had a total production of 0.76, 0.123, and 0.98 m3and the control treatment yielded 0.51, 0.065, and 0.0082 m3.In the second period,the total production per kilogram of solidand of volatile solids added were higher in the digesters without sugarcane (0.0093 and 0.438 m3) when compared to the digesters that had additionof 7% of cane(0.271 and 0.336 m3).

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This study was conducted at University of Marília, São Paulo State, Brazil, aiming to determine the phase of intake transition between exclusively liquid diet (milk) and diet based on milk, grass and/or ration by lambs by δ13C technique. Six Suffolk crossbreeding lambs were distributed in a totally random design (3x2), with two experimental groups and three replications. At the first one, lambs were penned and sucked milk from dams fed with C4 diet. besides, they had access to C3 ration in creep feeding, since their birth. At the second group, lambs were kept on a paddock with Tifton – 85 grass (C4 photosynthetic way) as well as their dams and had access to C3 ration in creep feeding, since their birth. The C3 ration contained soybean meal, ground oat grains, lucerne hay and also mineral salt. The penned lambs’ ration consumption overcame the milk intake at 30-35 days after birth; however, grazing lambs ingested more milk and pasture than ration until 40 days after birth. The δ 13C technique was considered effective on studies of lambs feeding behavior.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)