Open Access

Nano Express

FITC and Ru(phen)₃ ²⁺co-doped silica particles as visualized ratiometric pH indicator

Jianquan Xu, Lei Sun, Jun Li, Jinglun Liang, Huimao Zhang^* and Wensheng Yang^*

* Corresponding authors: Huimao Zhang huimaozhanglinda@163.com - Wensheng Yang wsyang@jlu.edu.cn

Nanoscale Research Letters 2011, 6:561 doi:10.1186/1556-276X-6-561

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