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Do you know how to use 90mm Petri Dish?

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  • Time of issue:2021-04-13 11:58
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(Summary description)A petri dish is a conventional laboratory vessel, consisting of a flat disc-shaped bottom and a lid. It is mainly made of plastic and glass. The glass can be used for plant materials, microbial culture and animal cell culture.

Do you know how to use 90mm Petri Dish?

(Summary description)A petri dish is a conventional laboratory vessel, consisting of a flat disc-shaped bottom and a lid. It is mainly made of plastic and glass. The glass can be used for plant materials, microbial culture and animal cell culture.

  • Categories:News
  • Author:
  • Origin:
  • Time of issue:2021-04-13 11:58
  • Views:
Information

A petri dish is a conventional laboratory vessel, consisting of a flat disc-shaped bottom and a lid. It is mainly made of plastic and glass. The glass can be used for plant materials, microbial culture and animal cell culture. Most of the plastics are disposable, suitable for laboratory inoculation, streaking, and bacterial isolation operations, and are used for the cultivation of plant materials. Do you know how to use it and the steps? Let’s take a look at the 90mm Petri Dish editor!


1. Petri dishes are usually made of solid medium for plate culture (the origin of the name of the plate). The plate medium is made by dissolving the pre-filled sterile agar medium with warm water (sterile) and removing the cotton in the test tube. Stopper, pass the mouth of the tube over the flame of the alcohol lamp, and then slightly open the lid of the sterilized petri dish, so that the mouth of the test tube can be deep enough, after pouring the medium, it can be tightly covered, and then gently shake the poured medium , Make it evenly distributed on the bottom of the dish and condense to obtain a plate culture medium.
2. Since the reproduction, development and growth of bacteria are directly related to the medium (nutrient) supplied, especially for quantitative inspection and analysis, the amount of nutrients provided is of decisive significance.
3. It is very important for the amount and uniformity of nutrients to be provided during bacterial culture, and whether the bottom of the petri dish is flat. For example, if the bottom of the petri dish is not flat, the distribution of agar medium will vary depending on whether the bottom of the petri dish is flat or thick. The thin, thin part of the nutrient supply is insufficient, which is closely related to quantitative analysis, so the reason why the bottom of the quantitative petri dish is particularly flat is required. But for general qualitative (testing bacteria, colony growth, reproduction, etc.), use ordinary petri dishes.
The above is the 90mm Petri Dish editor's introduction: about the use of petri dishes and related knowledge of the steps, I hope you can learn more.

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