Sergio Fraga

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In this paper a fiber optic metallic embedding technique is presented based on laser Brazing manufacturing process. The embedding strategy to follow by the laser Brazing, which consists in three steps, minimizes the thermal stress of the embedded fiber, relaxes microbending strains and reduces damage on the fiber. The minimum embedded fiber optic Ni coating(More)
The two-site model of Urry for the ionic conduction through a gramicidin A channel has been confirmed by theoretical calculations, using a method developed at this laboratory, which yields the potential energy profile of the ion along the channel. Preliminary results show that the pore closure could start with the spatial rearrangement of the--HN--CH3(More)
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