The precipitated formazan salt in viable cells after cleavage of the tetrazolium ring by mitochondrial dehydrogenases was dissolved in DMSO and read at 570 nm with an ELISA microplate reader (Bio-Tek, Winooski, USA).
Precipitated formazan salt in viable cells after periodontal tetrazolium ring by Mitochondrial dehydrogenases dissolved in DMSO and read at 570 NM to read a microplate ELISA (Dubai -Tek, Winooski, United States).
Salt formazan precipitation in viable cells after the discontinuation of the ring tetrazolium. By mitochondrial dehydrogenases were dissolved in DMSO and read at 570 nm with an ELISA reader microplate (Bio-Tek, Secretary, United States).