@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 "The network's maximum strength (about 600 MPa) is roughly 11 times its small-strain modulus (about 56 MPa), satisfying the criterion for elastic crack-tip blunting, and large blunting is indeed observed before failure."; dc:type "simulation-result"; "Notation basis: Both values are in the text."; "Strength-to-modulus ratio of about 11 satisfies the criterion for elastic crack-tip blunting"; "\\sigma_{\\max}/E_0 \\approx 600/56 \\approx 11"; "Theodor Ackbarow et al., “Alpha-Helical Protein Networks Are Self-Protective and Flaw-Tolerant”, PLoS ONE 4, e6015 (2009), doi:10.1371/journal.pone.0006015; Results and Discussion. Scope: Mesoscale alpha-helix network model" . } sub:provenance { a ; dc:bibliographicCitation "Theodor Ackbarow, Dipanjan Sen, Christian Thaulow, Markus J. Buehler. Alpha-Helical Protein Networks Are Self-Protective and Flaw-Tolerant. PLoS ONE 4, e6015 (2009). doi:10.1371/journal.pone.0006015"; dc:creator "Theodor Ackbarow, Dipanjan Sen, Christian Thaulow, Markus J. Buehler"; dc:date "2009"^^xsd:gYear; dc:identifier "PMC2696088", "doi:10.1371/journal.pone.0006015", "pmid:19547709"; dc:title "Alpha-Helical Protein Networks Are Self-Protective and Flaw-Tolerant" . a prov:Entity; sub:sourceChecksum; "Full text of Alpha-Helical Protein Networks Are Self-Protective and Flaw-Tolerant, as read"; . 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 full text (cc by licence), paragraph 21 of 2009-helical-networks.txt (sha256 d35d9ea109c79b04ca4f44608c823ee0ab4e43a642147772bb6b89e3fe2d734f), vendored from Europe PMC PMC2696088 by build/resolve.py and checked by build/check.py."; prov:hadPrimarySource ; prov:wasQuotedFrom ; "The maximum strength of the protein network (≈600 MPa) is about 11 times larger than the small-strain elastic modulus (≈56 MPa). This satisfies the criteria for elastic crack tip blunting as discussed in ." . sub:sourceChecksum ; "d35d9ea109c79b04ca4f44608c823ee0ab4e43a642147772bb6b89e3fe2d734f"; "Checksum of the vendored text file inputs/2009-helical-networks.txt, not of the publisher's copy." . } sub:pubinfo { "buehler-protein-materials" . this: dc:created "2026-11-08T04:38:11.893Z"^^xsd:dateTime; dc:creator ; dc:license ; npx:hasNanopubType ; npx:introduces ; "Theodor Ackbarow et al. 2009 claim: Strength-to-modulus ratio of about 11 satisfies the criterion for elastic crack-tip blunting"; . sub:sig npx:hasAlgorithm "RSA"; npx:hasPublicKey "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyFHtPB6p0mCjDozxlOY9CmO3nBm7Te3jFbXyLmM+G1tGe47Da0jYIbhkl9Oo1ZjxmCa3LCwlEqK8gj6hEIcL4ahW30JXh9HycfKVk1bugkzMEV15tJdTzAU3sGMFnbNsn43xY2LFLy45tApkRm5byEiM7oRRrooIdwoQKnP4Wzq/bfAoJ9qvW+MGkelyOTd1jbSt+KfmT7xKmDfWzAHddUlWwMX2QJOLxDaffOteTop6ZRgPiNmPJKA/S62Gac9XtSYT3oDkZ6/nr5cxxNLpOyxTf5FPISiCe11xYO/unYjY+mwnOfA8yhJIyx1l0O9I0vpOpn+E5TvyHJV+oSTrvwIDAQAB"; npx:hasSignature "Q+uB/1Qv08yvYmGWTWRIkpCn2SNZucm1935b4PeVP9Ish2/RWoCWfrZ3HKjytNnL0qbXcHOnR0vi+TlF5OuwGPM/qZHqlddS8fQf6FFGTWxvt27Ts5hAVOkTZF9lRrNX9BY4sb1Bp7VhgA+3zF4CJKvlZfQgm+UXjMNfND600Lzzf9kXi5IxnPMrAGngUfVNlXJqfDDEPcT4+HVIfNwiE9y7ZJD5h+Nnjexi7CIzGRDHez3GuDgyQjZ59H8HinwOQg6dU6id/TOJwWQoxYR7gcZxYJcKDSCDRzqfLSTGu3jM7KDYGhOx/G+wo3K1WfOLLvSCZr8AKRMxi1kAsQiykA=="; npx:hasSignatureTarget this:; npx:signedBy . }