Fig. 5From: Carbon Nanodots as Dual-Mode Nanosensors for Selective Detection of Hydrogen Peroxide a, c Fluorescence ratio I 500/I 450 of solution containing CDs and various interferent cations (a) and oxidants (c). b, d Absorption ratio A 595/A 555 of solution containing CDs and various interferent cations (b) and oxidants (d)Back to article page