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Multiscale Molecular Dynamics Simulation of Multiple Protein Adsorption on Gold Nanoparticles.

ABSTRACT: A multiscale molecular dynamics simulation study has been carried out in order to provide in-depth information on the adsorption of hemoglobin, myoglobin, and trypsin over citrate-capped AuNPs of 15 nm diameter. In particular, determinants for single proteins adsorption and simultaneous adsorption of the three types of proteins considered have been studied by Coarse-Grained and Meso-Scale molecular simulations, respectively. The results, discussed in the light of the controversial experimental data reported in the current experimental literature, have provided a detailed description of the (i) recognition process, (ii) number of proteins involved in the early stages of corona formation, (iii) protein competition for AuNP adsorption, (iv) interaction modalities between AuNP and protein binding sites, and (v) protein structural preservation and alteration.

SUBMITTER: Tavanti F

PROVIDER: S-EPMC6678212 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature

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Multiscale Molecular Dynamics Simulation of Multiple Protein Adsorption on Gold Nanoparticles.

Tavanti Francesco F Pedone Alfonso A Menziani Maria Cristina MC

International journal of molecular sciences 20190719 14

A multiscale molecular dynamics simulation study has been carried out in order to provide in-depth information on the adsorption of hemoglobin, myoglobin, and trypsin over citrate-capped AuNPs of 15 nm diameter. In particular, determinants for single proteins adsorption and simultaneous adsorption of the three types of proteins considered have been studied by Coarse-Grained and Meso-Scale molecular simulations, respectively. The results, discussed in the light of the controversial experimental d ...[more]

PMID: 31331044

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