Fig. 1From: A label-free logic gate hairpin aptasensor for sensitive detection of ATP based on graphene oxide and PicoGreen dyeFluorescence spectrum: a PicoGreen dye, GO. b PicoGreen dye, GO, DNA-L, 100 μL of 10 mM ATP. c PicoGreen dye, GO, 100 μL of 10 mM ATP. d PicoGreen dye, GO, DNA-L. e PicoGreen dye, GO, DNA-S. f PicoGreen dye, GO, DNA-L, DNA-S. g PicoGreen dye, GO, 100 μL of 10 mM ATP, DNA-S. h PicoGreen dye, GO, 100 L 10 mM ATP, DNA-L, DNA-SBack to article page