20 Jan 2021 --- 3M Food Safety has unveiled the 3M Petrifilm Plate Reader Advanced to save lab testing time and increase productivity. The automation technology for food safety professionals can rapidly and accurately visualize, count and document microbiological colonies on 3M Petrifilm Plates indicator tests, notes the company. By rapidly automating the colony-counting step, time to enumerate 3M Petrifilm Plates can be reduced up to 94 percent.