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Self-Sealing Porous Silicon-Calcium Silicate Core-Shell Nanoparticles for Targeted siRNA Delivery to the Injured Brain.

ABSTRACT: Calcium ions react with silicic acid released from dissolving porous silicon nanoparticles to create an insoluble calcium silicate shell. The calcium silicate shell traps and protects an siRNA payload, which can be delivered to neuronal tissues in vitro or in vivo. Gene delivery is enhanced by the action of targeting and cell-penetrating peptides attached to the calcium silicate shell.

SUBMITTER: Kang J 

PROVIDER: S-EPMC6274592 | biostudies-other | 2016 Sep

REPOSITORIES: biostudies-other

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Self-Sealing Porous Silicon-Calcium Silicate Core-Shell Nanoparticles for Targeted siRNA Delivery to the Injured Brain.

Kang Jinyoung J   Joo Jinmyoung J   Kwon Ester J EJ   Skalak Matthew M   Hussain Sazid S   She Zhi-Gang ZG   Ruoslahti Erkki E   Bhatia Sangeeta N SN   Sailor Michael J MJ  

Advanced materials (Deerfield Beach, Fla.) 20160706 36

Calcium ions react with silicic acid released from dissolving porous silicon nanoparticles to create an insoluble calcium silicate shell. The calcium silicate shell traps and protects an siRNA payload, which can be delivered to neuronal tissues in vitro or in vivo. Gene delivery is enhanced by the action of targeting and cell-penetrating peptides attached to the calcium silicate shell. ...[more]

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