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AAT Bioquest

What is Propidium Monoazide (PMA)?

Posted July 17, 2024


Answer

PMA or Propidium Monoazide is a highly photoreactive, membrane-impermeable, DNA-intercalating dye that belongs to the phenanthridine family. It is widely used in viability PCR (vPCR) assays to discriminate between viable and nonviable microbial cells. 

Additional resources

Applicability of propidium monoazide (PMA) for discrimination between living and dead phytoplankton cells

Polymerase Chain Reaction (PCR)

Cell Viability Assays

Calcein, AM *UltraPure grade* *CAS 148504-34-1*