This quality control slide provides two air-dried and methanol-fixed droplets within two etched circles. The circle nearest the label contains a droplet of Gram-Positive Staphylococcus aureus a derivative of ATCC® 25923™*. The circle furthest from the label contains a droplet of a Gram-Negative Escherichia coli a derivative of ATCC® 25922™*.
|*The ATCC Licensed Derivative Emblem, the ATCC Licensed Derivative word mark and the ATCC catalog marks are trademarks of ATCC. Microbiologics, Inc. is licensed to use these trademarks and to sell products derived from ATCC cultures.|