“…[24] It is known that many delocalized lipophilic cationic dyes, [25][26][27][28] which have a complete positive charge are easily accumulated and absorbed by living cells. [29] Recently, although many SO 2 Abbreviations used: Cys, cysteine; DMEM, Dulbecco's modified Eagle's medium; DMSO, dimethylsulfoxide; ESI, electrospray ionization; HPLC, high-performance liquid chromatography; HR-MS, high resolution mass spectrascopy; FIA, flow injection analysis; NMR, nuclear magnetic resonance; PBS, phosphate-buffered saline; SD, standard deviation; SO 2 , sulfur dioxide; TBHP, tert-Butyl hydroperoxide; TLC, thin layer chromatography; UV, ultraviolet.…”