Which of your antibiotics (Geneticin, Zeocin, Hygromycin B, Blasticidin, and Puromycin) can be used together for stable selection in mammalian cells?
All of our antibiotics (Geneticin, Zeocin, Hygromycin B, Blasticidin, and Puromycin) can be used together for making multiple stable cell lines. However, kill curves will need to be performed for each combination of antibiotics since sensitivity to a given antibiotic tends to increase when combined with other antibiotics.
How light-sensitive is Puromycin Dihydrochloride?
Puromycin Dihydrochloride is light sensitive on par with the light sensitivity of most basal media like DMEM and RPMI 1640. We would recommend limiting exposure of this product to light as much as possible (i.e,. don't leave on the bench or under hood lights longer than necessary). That said, using a light microscope to observe cells under normal conditions and timeframes will not break down the antibiotic.