Bio-Inspired Nanotechnology: From Surface Analysis to by Marc R. Knecht, Tiffany R. Walsh

By Marc R. Knecht, Tiffany R. Walsh

This booklet specializes in using bio-inspired and biomimetic equipment for the fabrication and activation of nanomaterials. This contains experiences about the binding of the biomolecules to the outside of inorganic buildings, structure/function relationships of the ultimate fabrics and vast discussions at the ultimate functions of such biomimetic fabrics in distinct functions together with strength harvesting/storage, biomedical diagnostics and fabrics assembly.

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The hypothesized interplay between a peptide sequence, the ensemble of structures that is supported by this sequence, and the binding propensity and selectivity conferred by the peptide, is pivotal to understanding, and ultimately, predicting and designing materials-binding sequences with tailored interfacial properties. Due to the challenges in obtaining direct structural data, the basis for this hypothesis has been compiled from indirect evidence from experimental sources. Compelling evidence exists regarding the impact of peptide sequence on binding 2 Fundamentals of Peptide-Materials Interfaces 31 selectivity; for example, the sequence AQNPSDNNTHTH was found to bind with high affinity to GaAs, but with low affinity to silica (Goede et al.

Given the experimental challenges in direct structural determination of these systems, links between peptide sequence and materials-binding affinity/selectivity can be further elucidated, in partnership with indirect experimental observations, by using computational modeling at the atomistic level. In addition, bioinformatics approaches have the potential to harness existing experimental data to identify sequence motifs with predictable binding behaviors, potentially paving the way for tailored sequence design in future.

It is usual to simplify this further, and express the potential energy in terms of the number of vibrational degrees of freedom of the system. Consider a general system comprising a single, nonlinear molecule with N atoms. This system has 3N-6 vibrational degrees of freedom (see Atkins and de Paula 2010, for more details); 3 degrees of freedom are subtracted for bulk translation along the x, y and z principal axes, and a further three are subtracted for bulk rotations around the x, y and z principal axes.

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