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Lysine-Capped Silica Nanoparticles: A Solid-State NMR Spectroscopy Study

Published online by Cambridge University Press:  18 May 2016

Chengchen Guo,
Gregory P. Holland and
Jeffery L. Yarger
Chengchen Guo*
Affiliation:
School of Molecular Sciences, Magnetic Resonance Research Center, Arizona State University, Tempe, Arizona, 85287-1604, USA
Gregory P. Holland
Affiliation:
Department of Chemistry and Biochemistry, San Diego State University, San Diego, California, 92182-1030, United States
Jeffery L. Yarger
Affiliation:
School of Molecular Sciences, Magnetic Resonance Research Center, Arizona State University, Tempe, Arizona, 85287-1604, USA
*
† (Email: daniel_guo1226@hotmail.com)
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Abstract

To achieve the goal of biocompatibility in nano-based materials we must first obtain a fundamental understanding of the physical and chemical behavior of biomolecules at the interfaces of nanomaterials. A first step towards understanding protein interactions with nanomaterials is to understand how individual amino acids interact at the interfaces. In this paper, we investigated the lysine adsorption behavior on fumed silica nanoparticles by solid-state NMR spectroscopy. We use 1H, 13C and 15N solid-state magic angle spinning (MAS) NMR techniques to elucidate how lysine is adsorbed on silica nanoparticles surfaces via strong hydrogen-bonding interaction between the protonated side-chain amine group and silanol group on silica nanoparticles surfaces.*

Keywords

nanostructurenuclear magnetic resonance (NMR)adsorption

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Type
Articles
Information
MRS Advances , Volume 1 , Issue 31: Nanotechnology , 2016, pp. 2261 - 2266
Copyright
Copyright © Materials Research Society 2016 

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