The ABTS + stock solution was adjusted with PBS to an absorbance of 0.7 (±0.02) at 734 nm in a 1 cm cuvette at 25 °C (Lambda 25 UV, VIS spectrophotometer, Perkin Elmer Instruments, Madrid, Spain
The ABTS stock solution was adjusted with PBS to an absorbance of 0.7 (±0.02) at 734 nm in a 1 cm cuvette at 25 °C (Lambda 25 UV, VIS spectrophotometer, Perkin Elmer Instruments, Madrid, Spain