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Atomic and Molecular Resolution Mapping of Solid-Liquid Interfaces by 3D Atomic Force Microscopy

AutorFukuma, Takeshi; García García, Ricardo
Palabras clave3D-AFM
Atomic resolution
Force maps
Force spectroscopy
Force−distance curves
Hydration layers
MD simulations
Solid−liquid interfaces
Fecha de publicación13-nov-2018
EditorAmerican Chemical Society
CitaciónACS Nano DOI: 10.1021/acsnano.8b07216 (2019)
Resumen[EN] Hydration layers are ubiquitous in life and technology. Hence, interfacial aqueous layers have a central role in a wide range of phenomena from materials science to molecular and cell biology. A complete understanding of those processes requires, among other things, the development of very-sensitive and high-resolution instruments. Three-dimensional atomic force microscopy (3D-AFM) represents the latest and most successful attempt to generate atomically resolved three-dimensional images of solid−liquid interfaces. This review provides an overview of the 3D-AFM operating principles and its underlying physics. We illustrate and explain the capability of the instrument to resolve atomic defects on crystalline surfaces immersed in liquid. We also illustrate some of its applications to imaging the hydration structures on DNA or proteins. In the last section, we discuss some perspectives on emerging applications in materials science and molecular biology.
Versión del editorhttps://doi.org/10.1021/acsnano.8b07216
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