Learn about the Many Uses and Techniques of a Petri Dish

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Learn about the Many Uses and Techniques of a Petri Dish

Learn about the Many Uses and Techniques of a Petri Dish

As far as a Petri dish is concerned, it is around a shallow dish for cell culture of various organisms. If you need to study virus and bacteria in detail, you need to do so in a separate container isolated from other things. That is why you need a Petri dish to study different cells and microorganisms. It is one of the essential laboratory equipment with multiple uses. There is no doubt about the same.

You might be wondering why to use a Petri dish and not other lab items. That is because other containers used in the lab to perform cell culture were infected or the surface area for cell culture was extremely small. Read on to learn about the multiple uses and methods of using a Petri dish in the laboratory.

The uses

The uses of a Petri dish in a laboratory and in the Biology discipline are many. Here are a few of the common uses of the same:

  • The most significant use is doing cell culture. The cells are offered precise food and environmental conditions helping in the growth of cells in the Petri dish. The container has enough space and does not become infected.
  • The size of this lab equipment keeps the same just below the microscope. It helps in detailed observation and dissection of the sample for more examination.
  • The glass material of a Petri dish makes it easy to see the growth of the microorganisms clearly without any problems.
  • The lab item is useful in schools and colleges to observe and study the germination of seeds.
  • You can use Petri dishes with ease and convenience. After use, you can treat the same with bleach. You can even wash and sterilize the item for use in the future.

Methods of use

You can sterilize and reuse Petri dishes by putting the same in an autoclave. Here are the essential steps:

  • The first step is to sterilizing the item to kill all microorganisms that may be present in it.
  • Once you are through with the above step, the Petri dish can be filled with agar medium. It’s made using red algae.
  • When it comes to agar medium, it consists of salt, essential nutrients, antibiotics, and indicators. All these elements help in the proper bacteria growth as well as other microorganisms.
  • The next step is keeping the Petri dish with the agar medium in the refrigerator. Make sure you place the equipment in an upside down position. Take out the same from the refrigerator when required.
  • When you need to do cell culture, bring the Petri dish in room temperature for best results.
  • Take some sample of bacteria or other microorganism and pour the same on the Petri dish for culture. You can also take some swab of cotton and gradually move it above the culture in a zigzag way. Do not use too much pressure to avoid breakage of the culture.
  • Close the lid of the Petri dish and cover very carefully. Put the item at a place where the temperature is 37 degrees Celsius. Let the microorganism to grow for a couple of days. Once it grows, take the samples for use in the future.

Conclusion

Keep in mind the uses and methods of using a Petri dish. Observe lab safety guidelines.

Learn about the Many Uses and Techniques of a Petri Dish

Learn about the Many Uses and Techniques of a Petri Dish

Learn about the Many Uses and Techniques of a Petri Dish

Learn about the Many Uses and Techniques of a Petri Dish
Learn about the Many Uses and Techniques of a Petri Dish

Learn about the Many Uses and Techniques of a Petri Dish
Learn about the Many Uses and Techniques of a Petri Dish
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Learn about the Many Uses and Techniques of a Petri Dish


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