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112 free petri photos from Freerange
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Microbiology
Bacteria growing on a petri plate.
Escherichia coli colonies isloated on white
Escherichia coli colonies growing on an agar plate.
Hand holding an agar plate containing Escherichia coli
Escherichia coli colonies growing on an agar plate.
Staphylococcus aureus
Staphylococcus aureus growing on Baird Parker agar showing black colonies and clearing zones.
Microbiology
Bacteria growing on a petri plate.
Microbiology
Bacteria growing on a petri plate.
Beacteria
Examining a petri plate for bacteria.
Green and red mold
Mold growing on a petri plate.
Colorful Bacteria
Different shaped colonies of bacteria, yeast and mold growing on agar plates from enviromental samples.
Antibiotic testing
Testing different concentrations of antibiotics
Listeria
Food safety pathogen Listeria monocytogenes isolated on agar from a food sample.
Staphylococcus aureus
Food safety bacteria pathogenStaphylococcus aureus growing on Baird Parker agar with egg yolk and tellurite.
Drinking water safety
Testing drinking water for E. coli bacteria.
Pseudomonas bacteria on agar plate
Pseudomonas from drinking water or swimming pool growing on an agar plate.
E. coli bacteria
E. coli growing on a filter on an agar plate.
Macro of Pseudomonas bactera colonies
Macro of Pseudomonas colonies growing on an agar plate.
Bacteria on an agar plate
Sewage bacteria on black background.
Bacteria growing on a perti dish.
Macro image of sewage bacteria.
Bacteria on an agar plate
Sewage bacteria growing on an agar plate.
Untitled photo
Drinking water safety
Testing drinking water for E. coli bacteria.
Food Safety Antigen Antibody Test - Macro
An antigen antibody test for undeclared meats. To identify horse or pork in beef products. Produces a visible white line when reaction occurs.
Food Safety Antigen Antibody Test - Macro
An antigen antibody test for undeclared meats. To identify horse or pork in beef products. Produces a visible white line when reaction occurs.
water microbiology
Water sample with petri dish.
Microbiology
Microorganisms growing.
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