11 resultados para Glicopolímeros anfifílicos

em Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho"


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The present invention relates to biofungicides based on cationic, amphiphilic chitosan derivatives, with increasing proportions of dodecyl groups, for use against the fungus Aspergillus flavus, and to the method for producing said biofungicides.

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A presente invenção se refere a biofungicidas a base de derivados anfifílicos catiônicos de quitosana, com porporções crescentes de grupamentos dodecil, para serem utilizados contra o fungo Aspergillus flavus, bem com o método de obtenção do mesmo.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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The effect of phloretin in the structure and hydration of dimiristoyl phosphatidylcholine vesicles (DMPC) was investigated by electron paramagnetic resonance technique (EPR) at the bilayer core of membrane, using 14-PCSL spin label derivative of phosphatidylcoline. The spectra obtained by pure DMPC vesicles and with addition of phloretin were simulated using the Nonlinear Least-Square program, at the tempearature between 15 oC to 50 oC. Through these simulations it was possible to analyse the membrane hydration and bilayer order, to understand the interaction between DMPC aggregates and phloretin. The results show that the phloretin decreases the membrane hydration in both gel and fluid phases. This reduction of water molecules is accompanied by increasing of the bilayer order at this micro-region

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Pós-graduação em Biofísica Molecular - IBILCE