Ultraviolet (UV) absorbance was measured with a UV–vis spectrophotometer (UV 2450 PC, Shimadzu, Japan) at 260 nm using a quartz cell. All the experiments were conducted in triplicate for reproducibility purpose.
Ultraviolet (UV) absorbance was measured with a UV–vis spectrophotometer (UV2450 PC, Shimadzu, Japan) at 260 nm using a quartz cell. All theexperiments were conducted in triplicate for reproducibilitypurpose.