4 article(s) from Guzman, Horacio V.
- Full Research Paper
- Published 19 Feb 2019
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Figure 1: Snapshots illustrating some of the biological fibrils used in our simulation. The main axis of symm...
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Figure 2: Coarse-grained representation of the biological fibrils presented in Figure 1. Illustrated are the three ty...
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Figure 3: For the cases of Figure 1, we present schematically each deformation process. The left panels show tensile,...
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Figure 4: Results of tensile deformation. (a) Stress–strain curves of α-synuclein, three Aβ40 and two Aβ42 fi...
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Figure 5: Results for shear deformation. (a) Stress–strain curves of α-syn and three Aβ40 and two Aβ42 fibril...
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Figure 6: Nanoindentation deformation results for different biological fibrils. (a) Force as a function of th...
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Figure 7: Thermodynamic properties of biological fibrils. (a) Probability of finding the fibrils in the nativ...
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- Full Research Paper
- Published 02 May 2017
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Figure 1: (a) The dependence of the forces on the normalized time for two different Young moduli 30 MPa (ligh...
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Figure 2: The dependence of the peak forces on the sample Young’s modulus for the parametrical equation of Equation 8 (...
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Figure 3: The dependence of the peak forces on the set-point amplitude for the parametrical equation of Equation 8 (ful...
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Figure 4: The dependence of the peak forces on the set-point amplitude for the parametrical equation of Equation 8 (ful...
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- Full Research Paper
- Published 04 Feb 2015
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Figure 1: Graphical user interface of dForce. (a) Main menu. It is divided in three sections, two horizontal ...
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Figure 2: dForce simulation of AM-AFM for a tip–surface force that includes van der Waals and DMT. (a) Instan...
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Figure 3: AM-AFM comparison of cantilever dynamics, air versus liquid. (a) Amplitude versus average tip–surfa...
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Figure 4: AM-AFM comparison of cantilever dynamics, hard versus soft materials. (a) Amplitude versus average ...
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Figure 5: AM-AFM simulations for a viscoelastic material. (a) Force–distance curve for the linear viscous mod...
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Figure 6: Bimodal AFM tip motion. The tip oscillation (blue), instantaneous force (red) and velocity (green) ...
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Figure 7: Material contrast in bimodal AFM. Phase shift as a function of the set-point amplitude in bimodal A...
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- Full Research Paper
- Published 06 Dec 2013
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Figure 1: Peak forces, tip motion and contact time for two materials. (a) Soft sample (Es = 50 MPa) simulated...
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Figure 2: Peak force dependence on the Young modulus of the sample for different numerical simulations (Hertz...
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Figure 3: Dependence of the peak force on the set-point amplitude for different numerical simulations (Hertz ...
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Figure 4: Normalized indentation as a function of the Young modulus of the sample for the Hertz and Tatara mo...
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Figure 5: Lateral resolution maps for Hertz and Tatara contact mechanics. (a) Es = 50 MPa. (b) Es = 2 GPa. Fi...
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