Nanoparticle translocation through a lipid bilayer tuned by surface chemistry

文献情報

出版日 2012-11-20

DOI 10.1039/C2CP44035K

インパクトファクター 3.676

著者

Edroaldo Lummertz da Rocha, Giovanni Finoto Caramori, Carlos Renato Rambo

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要旨

An enhanced understanding about the interactions between nanomaterials and cell membranes may have important implications for biomedical applications. In this work, coarse-grained molecular dynamics simulations of gold nanoparticles interacting with lipid bilayers were performed to evaluate the effect of hydrophobicity, charge density and ligand length on lipid bilayers. The simulations accomplished indicate that hydrophobic and anionic nanoparticles do not exhibit significant interactions and different charge densities may induce pore formation or nanoparticle wrapping, resembling first stages of endocytosis. The suggested interplay between charge density and ligand length has important implications when designing nanoparticles for drug and gene delivery applications. Moreover, control of charge densities may induce internalization of nanoparticles into cells through different mechanisms such as passive translocation, for nanoparticles with low charge density, or endocytosis for higher charge densities, highlighting the role of surface chemistry in nanoparticle–cell interactions.

掲載誌

Physical Chemistry Chemical Physics

CiteScore: 5.5

自己引用率: 10.3%

年間論文数: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

Nanoparticle translocation through a lipid bilayer tuned by surface chemistry

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