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Tunable Rigidity of (Polymeric Core)–(Lipid Shell) Nanoparticles for Regulated Cellular Uptake

Jiashu Sun, Lu Zhang, Jiuling Wang, Qiang Feng, Dingbin Liu, Qifang Yin, Dongyan Xu, Yujie Wei, Baoquan Ding, Xinghua Shi, Xingyu Jiang

📄 Abstract

Core-shell nanoparticles (NPs) with lipid shells and varying water content and rigidity but with the same chemical composition, size, and surface properties are assembled using a microfluidic platform. Rigidity can dramatically alter the cellular uptake efficiency, with more-rigid NPs able to pass more easily through cell membranes. The mechanism accounting for this rigidity-dependent cellular uptake is revealed through atomistic-level simulations.

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