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The adsorption of two different chiral molecules on platinum surfaces has been explored as a function of enantiomeric composition. In the first case, the saturation monolayers obtained by the adsorption of 1-(naphthyl)ethylamine (NEA) from CCl4 solutions were characterized in situ by reflection–absorption infrared spectroscopy (RAIRS). It was found that racemic mixtures yield different IR spectra...
This study identified kinematic and knee energetic variables that reduce the risk of non-contact anterior cruciate ligament (ACL) injury during single-leg landings from increasing vertical heights and horizontal distances.Nine subjects performed single-leg landings from takeoff platforms with vertical heights of 20, 40, and 60cm onto a force plate. Subjects also performed single-leg landings from...
Two methods for calculating internal work-the absolute work method, based on changes in mechanical energy, and the absolute power method, based on the powers produced by the joint moments of force-were compared. The results from both methods were normalized to body mass and running speed to obtain the 'internal biomechanical cost' (IBC). The IBCs of normal running for eight runners were compared to...
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