Chemical Communications 2013-02-21

Novel multifunctional NaYF4:Er3+,Yb3+/PEGDA hybrid microspheres: NIR-light-activated photopolymerization and drug delivery.

Qingbo Xiao, Yuetian Ji, Zhihong Xiao, Yan Zhang, Hongzhen Lin, Qiangbin Wang

Index: Chem. Commun. (Camb.) 49(15) , 1527-9, (2013)

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Abstract

By utilizing multicolor upconversion luminescence of rare earth-doped nanophosphors (UCNPs), NIR-light-activated photopolymerization and controlled drug delivery is achieved for PEGDA hydrogels. The loading capacity of zinc(II) phthalocyanine reaches 12.3% into UCNPs-PEGDA hybrid microspheres.