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. 2020 Aug 11;8:594. doi: 10.3389/fchem.2020.00594

Figure 3.

Figure 3

(A) Decrease in PL intensity with increase in Ca2+ concentration. (B) Average PL intensity curve of the sensor when experiments are repeated with multiple samples. (C) Quenching behavior of the sensor when the concentration of Ca2+ is increased up to 35 nM. (D) Visual illustration of quenching phenomena in the sensor on addition of target ion. Experiments have been conducted in quintuplicates (n = 5).