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Role of physicochemical properties of coating ligands in receptor-mediated endocytosis of nanoparticles

Paper ID Volume ID Publish Year Pages File Format Full-Text
7096 534 2012 5 PDF Available
Title
Role of physicochemical properties of coating ligands in receptor-mediated endocytosis of nanoparticles
Abstract

A fundamental understanding of the receptor-mediated endocytosis is of great importance in biomedicine. In this paper, we systematically investigate the effect of the properties of coating ligands on the cellular uptake of nanoparticles by using dissipative particle dynamics, and find that the strength of the receptor-ligand interaction, the ligand density and length as well as its rigidity can strongly affect the final equilibrium in the receptor-mediated endocytosis. Interestingly, it is found that the particle decorated with longer ligands is more likely to attach to the membrane, while it is harder to be totally engulfed. Increasing the ligand density and rigidity which enhances the uniform distribution of ligands on the particle may lead to the total engulfment. Further, we also show that the particle can be totally engulfed if one can reasonably design the hydrophobic/lipophobic properties of ligands. The present study shows that not only the chemical but also the physical parameters of ligands can govern the nanoparticle–cell interaction, which may give some significant insights into future nanoparticle design in drug delivery.

Keywords
Nanoparticles; Endocytosis; Membrane; Molecular modelling
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Role of physicochemical properties of coating ligands in receptor-mediated endocytosis of nanoparticles
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 33, Issue 23, August 2012, Pages 5798–5802
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
Online Support
Any Questions? feel free to contact us