Research Article

Optimization of Tb3+/Gd3+ Molar Ratio for Rapid Detection of Naja Atra Cobra Venom by Immunoglobulin G-Conjugated GdPO4·nH2O : Tb3+ Nanorods

Figure 3

Excitation (a) and photoluminescence spectra (b) of the GdPO4·nH2O : Tb3+ samples with molar ratios of Tb3+/Gd3+ are 0, 1, 3, 5, 7, and 9%.
(a)
(b)