Fig. 2From: A novel microemulsion-based isotonic perfusate modulated by Ringer’s solution for improved microdialysis recovery of liposoluble substancesFreezing point of the microemulsion prepared using Kolliphor® EL (EL) as the surfactant (S) and Transcutol® P (TP) as the co-surfactant with different Km (EL/TP, w/w) values (a), and dilution of the microemulsion (ME) with various volumes of Ringer’s solution (RS) (b)Back to article page