FAQs

FAQs

What is the procedure for decontaminating the PMA-Lite™ 2.0 LED Photolysis Device?

Note: Do not remove the cover or introduce liquids to the interior of the PMA-Lite. Thoroughly wipe all...

FAQs

What is the wavelength and brightness (luminosity) of the LED lights in the PMA-Lite?

The LEDs in the PMA-Lite™ and PMA-Lite™ 2.0 have a wavelength that is 465-475 nm and a brightness...

FAQs

How long can PMA solution be stored if the stock is diluted to 0.2mM solution?

PMA is stable after dilution to 0.2 mM in water as long as it is protected from light...

FAQs

Is illumination even across all positions in the PMA-Lite™ device?

Each tube position on the PMA-Lite™ is illuminated by the three LED bulbs. We haven't tested positional variability,...

FAQs

Can I freeze samples before or after PMA or PMAxx™ treatment?

PMA and PMAxx™ are membrane-impermeant dyes that selectively modify DNA in dead cells with damaged membranes. Therefore, samples.....

FAQs

What's the difference between EMA, PMA, and PMAxx™?

Viability PCR originally used EMA (ethidium monoazide) to inactivate dead cell DNA. Biotium developed PMA (propidium monoazide) in...