“…Several other dyes and dye preparations have been the subject of experimental in vivo and ex vivo experiments including, among others, methyl violet, crystal violet, eosin Y, Sudan black B, methylene blue, toluidine blue, light green, indigo carmine, fast green, Congo red, Evans blue, brilliant blue, and bromophenol blue [5,6,13,14,[34][35][36][37][38][39]. However, in contrast to the present study, these trials focused on the absorption qualities of the investigated dyes.…”