The silk of the recluse spider features a ribbon-like morphology unlike any other spider silk or synthetically spun polymer fiber. These protein ribbons represent free-standing polymer films with a thickness of about 50 nm. Stress-strain characterization of individual fibers via atomic force microscopy reveals that these ribbons, only a few molecular layers of protein thin, rival the mechanical performance of the best silks.
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PLoS One
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Article Synopsis
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Acta Trop
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Department of Cell Biology, Federal University of Paraná (UFPR), Curitiba, 81530-900, PR, Brazil. Electronic address:
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