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. 2015 Sep 22;7(9):3771–3784. doi: 10.3390/toxins7093771

Figure 3.

Figure 3

(a) Quenching effect of TiO2 on fluorescence intensity of FAM-labeled aptamer (final concentration 2.0 µM) in HBB at pH 7.4; (b) Effect of HBB and PBB at pH 7.4 on quenching performance of TiO2 (final concentration, 150 µg/mL). The error bars were obtained from three parallel experiments.