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. 2020 Apr 19;12(4):263. doi: 10.3390/toxins12040263

Figure 1.

Figure 1

Relative abundances of seven microcystins (MCs) spiked into five mouse liver samples and extracted using different solvents: 85:15 (v:v) CH3OH:H2O (ES-1); 85:15 (v:v) CH3OH:H2O containing 100 mM ZnSO4 and 1% FA (ES-2); 85:15 (v:v) CH3CN:H2O containing100 mM ZnSO4 and 1% FA (ES-3); H2O containing 100 mM ZnSO4 and 1% FA followed by CH3CN containing 1% FA (ES-4); and H2O containing 0.01M EDTA, 3M NaCl, and 5% acetic acid followed by CH3OH (ES-5). Relative abundances were compared. Error bars are ± standard deviation of triplicate LC-MS measurements.