Fig. 3
From: Percutaneous extraction using sponge spicules for disease diagnosis and therapeutic drug monitoring
The relationship between detected target compounds (salicylic acid and glucose) concentration with their level in blood. (a) The relationship between detected glucose concentration with its level in blood was fitted as a line (purple line), R2 = 0.9081. (b) The relationship between detected salicylic acid concentration with its level in blood was fitted as a line (blue line), R2 = 0.8503.
