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Descripción
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| Traumatic brain injury and spinal cord injury have recently been put under the spotlight as major causes of death and disability in the developed world. Despite the important ongoing experimental and modeling campaigns aimed at understanding the mechanics of tissue and cell damage typically observed in such events, the differentiated roles of strain, stress and their corresponding loading rates on the damage level itself remain unclear. More specifically, the direct relations between brain and spinal cord tissue or cell damage, and electrophysiological functions are still to be unraveled. Whereas mechanical modeling efforts are focusing mainly on stress distribution and mechanistic-based damage criteria, simulated function-based damage criteria are still missing. Here, we propose a new multiscale model of myelinated axon associating electrophysiological impairment to structural damage as a function of strain and strain rate. This multiscale approach provides a new framework for damage evaluation directly relating neuron mechanics and electrophysiological properties, thus providing a link between mechanical trauma and subsequent functional deficits | |
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Internacional
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Si |
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JCR del ISI
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Si |
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Título de la revista
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Biomechanics And Modeling in Mechanobiology |
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ISSN
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1617-7959 |
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Factor de impacto JCR
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3,251 |
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Información de impacto
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Datos JCR del año 2013 |
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Volumen
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13 |
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DOI
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10.1007/s10237-013-0543-7 |
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Número de revista
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4 |
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Desde la página
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883 |
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Hasta la página
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896 |
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Mes
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AGOSTO |
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Ranking
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Q1 |