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. 2018 Nov 9;9:2697. doi: 10.3389/fmicb.2018.02697

FIGURE 5.

FIGURE 5

PL properties of CDs-EPS605 as a function of UV irradiation time (A), temperature (B), ionic strength (different concentrations of PBS solution, pH = 7.4) (C) and pH (D). The PL intensity was measured at 514 nm (λex = 488 nm). The PL intensity of CDs-605 in PBS (pH = 7.4) without laser irradiation was measured at 25°C and was arbitrarily assigned as 100%.