How can I avoid Erlotinib Hydrocholride crystallization at high doses in culture media (DMEM)?

Hi, I'm using Erlotinib treatment in Glioma cell lines, and since a few months it crystallize at high treatment doses (even lower doses, but less amount of crystals are seen), that's 10, 20 and 30...

05 November 2014 4,290 1 View