The hPDLSCs were incubated with boric acid solutions for 24 hours, then continuously with MTT solution (3 - (4.5-dimethylthiazol-2-yl) - 2.5-diphenyl tetrazolium bromide) for 4 hours to promote the formation of Formosan crystals.
hPDLSCs được ủ với boric axit trong 24 giờ, sau đó, ủ trong dung dịch MTT (3 - (4,5 - Dimethylthiazol-2 - YL) -2,5 - diphenyl tetrazolium bromide) trong 4 giờ để tạo tinh thể formazan.