https://w3id.org/np/RAJADhse-fgEP7k6vitftJyX8vcLYw1KCpq1DgFEQoPyI
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dc:description "With W = 1.63 × 10⁻¹⁷ J to break one alpha-helix element and a mesh cross-section A = 1.2 × 10⁻¹⁷ m², the network's fracture surface energy is of the same order as that of silicon along <111>, while its elastic modulus (about 3 GPa for the alpha-helix) is far below silicon's 243 GPa.";
dc:type "mathematical-law";
<http://www.w3.org/2000/01/rdf-schema#comment> "Notation basis: W and A are in the text; the defining equation and the resulting value are images in the JATS and are missing from the vendored text. The factor 2 (two surfaces) is the standard definition; if the paper defines γ = W/A the value is 1.36 J m⁻². To be checked against the PDF before use.";
<http://www.w3.org/2000/01/rdf-schema#label> "Fracture surface energy of the alpha-helix network is comparable to silicon's";
<http://www.w3.org/2004/02/skos/core#notation> "\\gamma = \\frac{W}{2A} \\approx \\frac{1.63\\times10^{-17}\\ \\mathrm{J}}{2 \\times 1.2\\times10^{-17}\\ \\mathrm{m^2}} \\approx 0.68\\ \\mathrm{J\\,m^{-2}}";
<https://w3id.org/delphi/ontology/context> "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" .
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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" .
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<https://schema.org/text> "Since W = 1.63×10−17 J (obtained from the integral over the force-displacement curve of an alpha-helical element until breaking of the covalent backbone; it equals the area under the curve shown in ), and A = 1.2×10−17 m2 (length: 12×10−9 m, width: 10×10−10 m) the fracture surface energy is given by . This is a value that is comparable to the fracture surface energy of silicon, which features along the <111> crystal plane, albeit silicon has a much greater elastic modulus of E = 243 GPa ." .
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