3d image of trypan blue skeletal formula

trypan blue direct dye pigment paint colorant synthetic dyestuffs indicator stain azo diazo cotton textiles vital tissues cells cell membranes microscope dye exclusion method toluidine trypanosomiasis microscopy counting fungal hyphae stramenopiles ophthalmic cataract surgery anterior capsule keratoplasty substance matter material compound component agent stuff reagent functional group precursor synthesis reaction production molecule molecular formula skeletal structural structure 3d