Petri Dish is a transparent cylindrical glass which is mostly used in microbiological settings to curb the spread of virus and bacteria

 

Petri Dish

A Petri Dish is a dish used in food science to separate solids of varying macronutrients (carbohydrates, protein, and fats) from liquids. Petri dishes can be used to measure the concentration or percentage of a substance in a liquid, e.g. blood, serum, urine, or any other type of clinical fluid.

Petri Dishes can also be used to examine colony-forming units or colonies of microorganisms. The most common method for studying microorganisms in a clinical specimen is the use of bead-based technologies, such as optical microscopy or scanning electronics. These technologies enable scientists to look at single cells, colonies, or even whole colonies of microorganisms in a matter of minutes. Petri dishes allow scientists to examine living colonies and whole communities of organisms in a very short time, and without damage to the samples. This is important for microbiology studies.

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