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Resolution: standard / high Figure 3.
Ratiometric calibration curve of the co-doped silica particles. Based on the ratios of the emission intensity (I520/I585) of FITC and Ru(phen)32+ under different pH.
Xu et al. Nanoscale Research Letters 2011 6:561 doi:10.1186/1556-276X-6-561 |
