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Julius Richard Petri was a German scientist born on May 31, 1852 in Barmen , a district belonging to the city from Wuppertal , and deceased on December 20, 1921 in Zeitz . Specialized in microbiology, it is the inventor of a cell culture vessel.

The Petri box , also known as license plate from Petri , was designed by this microbiologist when collaborating with Robert Koch (1843-1910), the doctor who received the Nobel Prize for Literature in 1905. Petri devised the vessel in 1877.

The Petri box It has a round shape and has a top with a diameter larger than the container itself. This allows the box to close but not tightly. In the Petri box it is possible to develop the cultivation of cells .

It is usual for Petri boxes be used in labs for the cultivation of microorganisms. Usually the bottom of the container is covered with a culture medium and then it works with the proliferation of the bacteria or organisms in question.

In addition to all of the above, it is necessary to know other relevant aspects of the aforementioned Petri dish, among which we can highlight the following:
-In addition to growing cells, it is used to observe the behavior of some small animals and even to proceed to germinate seeds. In the same way, it is also used to massage solids.
-The discovery and creation of the Petri dish immediately became a true revolution. From then until now it has played an essential role in history because, among other things, it has served to proceed to isolate organisms related to diseases such as cholera or diphtheria.
-People who work with this type of device and organism that keeps inside it is essential that they carry out the greatest safety and precautionary measures. Yes, because it is the way of not being infected, for example.
-Some models of this cited box have grooves or details in relief. The objective of these is that when they are stored they cannot drain from the surface on which they are.
-They are usually 10 centimeters in diameter and are usually made of two materials, especially. We are referring to both glass and plastic. The advantages of glass are that they can be reused. Of course, to be used again it is necessary to undergo sterilization and decontamination using an oven at an approximate temperature of 160º.

There are different techniques for the use of the Petri box . If you want to study colonies of microorganisms, the container can be placed upside down so that the culture medium is in the upper sector. When water vapor caused by the metabolism of organisms condenses, it falls on the lid, while beings remain attached to the substrate.

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