. . . . "Large, strong beta-sheet structures become possible by forming a nanocomposite of many small H-bond clusters, each at or below the critical size, which circumvents the strength limit of a single assembly." . "mechanism" . . "Nanocomposites of H-bond clusters overcome the intrinsic strength limit" . "Sinan Keten et al., “Geometric Confinement Governs the Rupture Strength of H-bond Assemblies at a Critical Length Scale”, Nano Letters 8, 743-748 (2008), doi:10.1021/nl0731670; Abstract. Scope: Beta-sheet-rich protein materials (silk, amyloid, muscle)" . "Sinan Keten, Markus J. Buehler. Geometric Confinement Governs the Rupture Strength of H-bond Assemblies at a Critical Length Scale. Nano Letters 8, 743-748 (2008). doi:10.1021/nl0731670" . "Sinan Keten, Markus J. Buehler" . "2008"^^ . "doi:10.1021/nl0731670" . "pmid:18269263" . "Geometric Confinement Governs the Rupture Strength of H-bond Assemblies at a Critical Length Scale" . . . "delphisci buehler-protein-materials claim extractor" . . . . "Claude Fable 5.1" . . . . . . . . . . . . "Quoted from the published abstract as returned by Europe PMC (2008-hbond-confinement.abstract.txt, sha256 880dc02fe6911c5cdb1ab49189a7e6b0f6dc782017ec700c7a498afd4193e722); the full text was not read (not in Europe PMC open-access subset). Checked by build/check.py." . . . "Our finding explains how the intrinsic strength limitation of H-bonds can be overcome by the formation of a nanocomposite structure of H-bond clusters, thereby enabling the formation of larger and much stronger beta-sheet structures." . . "880dc02fe6911c5cdb1ab49189a7e6b0f6dc782017ec700c7a498afd4193e722" . "Checksum of the vendored text file inputs/2008-hbond-confinement.abstract.txt, not of the publisher's copy." . . . "Abstract of Geometric Confinement Governs the Rupture Strength of H-bond Assemblies at a Critical Length Scale, as read" . . "buehler-protein-materials" . "2026-11-08T04:38:11.893Z"^^ . . . . . "Sinan Keten et al. 2008 claim: Nanocomposites of H-bond clusters overcome the intrinsic strength limit" . . "RSA" . "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyFHtPB6p0mCjDozxlOY9CmO3nBm7Te3jFbXyLmM+G1tGe47Da0jYIbhkl9Oo1ZjxmCa3LCwlEqK8gj6hEIcL4ahW30JXh9HycfKVk1bugkzMEV15tJdTzAU3sGMFnbNsn43xY2LFLy45tApkRm5byEiM7oRRrooIdwoQKnP4Wzq/bfAoJ9qvW+MGkelyOTd1jbSt+KfmT7xKmDfWzAHddUlWwMX2QJOLxDaffOteTop6ZRgPiNmPJKA/S62Gac9XtSYT3oDkZ6/nr5cxxNLpOyxTf5FPISiCe11xYO/unYjY+mwnOfA8yhJIyx1l0O9I0vpOpn+E5TvyHJV+oSTrvwIDAQAB" . "IIni227pN1sXlcC7dekbT/+iNcdfltls42hH9iP22dsSA6S/Avm/fshHidnQPAhqg3vpEIoKc96Vyc9axf1B7CPB0POjgvnsgzPUilv/VegHjEzN0U5VWxvktTQPeYVu9XUgiacasS8XwD+rttud2CUoCJ6X0c9Bb/tjSn1wFj7O6k0Dk0R1OTF/k7YPL2TU71J7Af3fZ34K7Hy5dahAwZes85QGwMWKF2G28W5Xp69F1OstJZSA+HzH+wFuhc/DkbJF86aQrdSBy26JKp+qZZgorOV2qbTfNTIJzQctJzOIgGKmAxKsAA/6YafIZEtq5kDTZ/Ru/DJVLIACnUgE+w==" . . .