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Fig. 4 | BioMedical Engineering OnLine

Fig. 4

From: Microfluidic DNA-based potassium nanosensors for improved dialysis treatment

Fig. 4

Normalized fluorescence intensity as a function of potassium concentration. a The fluorescence intensity of the nanosensor with a concentration of 1 µM was measured after adding 0 M (control), white circle, 1 µM, plus sign, 1 mM, square, and 10 mM, black circle, K+. b The peak normalized fluorescence intensity decreases with increased K+. PB + MgCl2 served as a control buffer

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