Does 70% ethanol solution or isopropyl alcohol need to be sterile/filtered in order to be effective for wiping down a biosafety cabinet?

I am growing a BSL1 E. coli strain (ATCC 8739) for use in biofilm studies with a drip flow reactor. I am a chemist/materials scientist by training, so microbiology is pretty new to me.  I have...

14 June 2017 7,982 4 View