Briefly, 7 mmol/L ABTS solution and 2.45 mmol/L potassium persulfate were mixed in 1:1 ratio and allowed to stand in the dark for 12-16 h to produce ABTS radical cation (ABTS) stock solution.
Briefly, 7 mmol/L ABTS solution and 2.45 mmol/L potassium persulfate were mixed in 1:1 ratio and allowed to standin the dark for 12-16 h to produce ABTS radical cation (ABTS) stock solution.