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The present report describes the mechanical tests, in vitro and in vivo studies of a poly(urethane urea) (PUUR) intended for clinical use in anterior cruciate ligament (ACL) reconstruction. In the mechanical tests, no evidence of severe fatigue was observed after repeated cyclic loading. Testings for mutagenicity and delayed contact hypersensitivity were(More)
The Stroop colour word test (SCWT) has been widely used to assess changes in cognitive performance such as processing speed, selective attention and the degree of automaticity. Moreover, the SCWT has proven to be a valuable tool to assess neuronal plasticity that is coupled to improvement in performance in clinical populations. In a previous study, we(More)
In the present study we describe the synthesis, wet spinning, mechanical testing, and degradation of poly(urethane urea)s (PUURs) intended for clinical use in anterior cruciate ligament (ACL) reconstruction. The effects of soft segment chemical composition and molar mass and the kind of diamine chain extender on the material properties were investigated. It(More)