Issue 69, 2015

Silica shelled and block copolymer encapsulated red-emissive AIE nanoparticles with 50% quantum yield for two-photon excited vascular imaging

Abstract

A polymer and silica co-protection strategy has been developed to encapsulate organic fluorogens with aggregation-induced emission and charge transfer characteristics into small nanoparticles (NPs). The co-pretected NPs show bright red fluorescence (50% quantum yield) with a large two-photon action cross-section (450 GM at 840 nm), which have been sucessfully used for two-photon fluorescence imaging of vasculature of the mouse tibial muscle.

Graphical abstract: Silica shelled and block copolymer encapsulated red-emissive AIE nanoparticles with 50% quantum yield for two-photon excited vascular imaging

Supplementary files

Article information

Article type
Communication
Submitted
30 Apr 2015
Accepted
30 Jun 2015
First published
30 Jun 2015

Chem. Commun., 2015,51, 13416-13419

Author version available

Silica shelled and block copolymer encapsulated red-emissive AIE nanoparticles with 50% quantum yield for two-photon excited vascular imaging

J. Geng, C. C. Goh, W. Qin, R. Liu, N. Tomczak, L. G. Ng, B. Z. Tang and B. Liu, Chem. Commun., 2015, 51, 13416 DOI: 10.1039/C5CC03603H

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