How to quantify bacterial cultures From CFU and OD to counting chamber Eppendorf US Microbe of the Month February: Escherichia coli You might already heard of E. coli, but did you know it's one of the most studied organisms? Scientists have been using it Laboratory Features of Escherichia coli Culture Media EC Medium, E. coli Medium, and EC Broth for Detection and Enrichment of Escherichia Coli Growth E Coli Four Urine Culture Stock Photo 2353291559 Shutterstock