What kind of microbial contaminant is growing in this PC-12 cell culture?

For the past two months, I have been struggling to get rid of this contaminant. I have tried using Gentamycin (50 µM/mL) and amphotericin B (2.5 µg/mL) in addition to penicillin and streptomycin,...

4 weeks ago 3,882 4 View