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Anisotropic protein diffusion on nanosurface

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The unique puckered structure of α-phase phosphorene carbide (α-PC) results in anisotropic electronic and thermal transporting properties. In the present work, the interactions between a model protein, villin headpiece sub-domain (HP35), and the surface of α-PC and monolayer black phosphorus (MBP, another puckered nanostructure) were explored by molecular dynamic (MD) simulations. It is found that HP35 diffuses quickly only along the zigzag direction of the α-PC surface. On the MBP surface, HP35 migrates mainly along the zigzag direction but can also easily stride over the ridges and grooves along the armchair direction. Moreover, the mild binding strength between α-PC and HP35 does not cause distortion in the protein structure. The intrinsic biocompatibility of α-PC, which is distinct from several other widely studied nanomaterials, such as carbon nanotubes, graphene and MoS2, makes it a promising candidate in functional biomedical applications.

Graphical abstract: Anisotropic protein diffusion on nanosurface

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08 Oct 2019
28 Jan 2020
First published
29 Jan 2020

Nanoscale, 2020, Advance Article
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Anisotropic protein diffusion on nanosurface

Y. Liu, X. Song, Y. Yang, Y. Li, M. Zhao, Y. Mu and W. Li, Nanoscale, 2020, Advance Article , DOI: 10.1039/C9NR08555F

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