School of Materials and Chemical Engineering, Xuzhou University of Technology, Xuzhou 221018, P. R. China ...

6-Hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid (Trolox, 98%) was purchased from the supplier (TCI). 1,1-Diphenyl-2-picrylhydrazyl (DPPH, 95%) 5,5’-Dithiobis-(2-nitrobenzoic acid) (DTNB, 99%) ...

Department of Chemistry, National Tsing Hua University, No. 101, Sec. 2, Kuang-Fu Rd., Hsinchu 300044, Taiwan Institute of Atomic and Molecular Sciences, Academia ...