@prefix this: . @prefix sub: . @prefix np: . @prefix rdf: . @prefix prov: . @prefix npx: . @prefix dc: . @prefix xsd: . sub:Head { this: a np:Nanopublication; np:hasAssertion sub:assertion; np:hasProvenance sub:provenance; np:hasPublicationInfo sub:pubinfo . } sub:assertion { a ; dc:description "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."; dc:type "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)" . } sub:provenance { a ; dc:bibliographicCitation "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"; dc:creator "Sinan Keten, Markus J. Buehler"; dc:date "2008"^^xsd:gYear; dc:identifier "doi:10.1021/nl0731670", "pmid:18269263"; dc:title "Geometric Confinement Governs the Rupture Strength of H-bond Assemblies at a Critical Length Scale" . a prov:SoftwareAgent; "delphisci buehler-protein-materials claim extractor"; prov:actedOnBehalfOf ; . a ; "Claude Fable 5.1" . sub:assertion prov:wasAttributedTo ; prov:wasDerivedFrom , sub:quote; prov:wasGeneratedBy sub:extraction . sub:extraction a prov:Activity; prov:qualifiedAssociation sub:extractionPlan; prov:used , ; prov:wasAssociatedWith . sub:extractionPlan prov:hadPlan . sub:quote a prov:Entity; "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."; prov:hadPrimarySource ; prov:wasQuotedFrom ; "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." . sub:sourceChecksum ; "880dc02fe6911c5cdb1ab49189a7e6b0f6dc782017ec700c7a498afd4193e722"; "Checksum of the vendored text file inputs/2008-hbond-confinement.abstract.txt, not of the publisher's copy." . a prov:Entity; sub:sourceChecksum; "Abstract of Geometric Confinement Governs the Rupture Strength of H-bond Assemblies at a Critical Length Scale, as read"; . } sub:pubinfo { "buehler-protein-materials" . this: dc:created "2026-11-08T04:38:11.893Z"^^xsd:dateTime; dc:creator ; dc:license ; npx:hasNanopubType ; npx:introduces ; "Sinan Keten et al. 2008 claim: Nanocomposites of H-bond clusters overcome the intrinsic strength limit"; . sub:sig npx:hasAlgorithm "RSA"; npx:hasPublicKey "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyFHtPB6p0mCjDozxlOY9CmO3nBm7Te3jFbXyLmM+G1tGe47Da0jYIbhkl9Oo1ZjxmCa3LCwlEqK8gj6hEIcL4ahW30JXh9HycfKVk1bugkzMEV15tJdTzAU3sGMFnbNsn43xY2LFLy45tApkRm5byEiM7oRRrooIdwoQKnP4Wzq/bfAoJ9qvW+MGkelyOTd1jbSt+KfmT7xKmDfWzAHddUlWwMX2QJOLxDaffOteTop6ZRgPiNmPJKA/S62Gac9XtSYT3oDkZ6/nr5cxxNLpOyxTf5FPISiCe11xYO/unYjY+mwnOfA8yhJIyx1l0O9I0vpOpn+E5TvyHJV+oSTrvwIDAQAB"; npx:hasSignature "IIni227pN1sXlcC7dekbT/+iNcdfltls42hH9iP22dsSA6S/Avm/fshHidnQPAhqg3vpEIoKc96Vyc9axf1B7CPB0POjgvnsgzPUilv/VegHjEzN0U5VWxvktTQPeYVu9XUgiacasS8XwD+rttud2CUoCJ6X0c9Bb/tjSn1wFj7O6k0Dk0R1OTF/k7YPL2TU71J7Af3fZ34K7Hy5dahAwZes85QGwMWKF2G28W5Xp69F1OstJZSA+HzH+wFuhc/DkbJF86aQrdSBy26JKp+qZZgorOV2qbTfNTIJzQctJzOIgGKmAxKsAA/6YafIZEtq5kDTZ/Ru/DJVLIACnUgE+w=="; npx:hasSignatureTarget this:; npx:signedBy . }