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Split type surface sampling petri dish based on grid counting

A petri dish and grid technology, applied in the field of experimental equipment, can solve the problems of waste of human resources, low efficiency, pollution, etc., achieve the effect of improving accuracy and work efficiency, overcoming environmental microbial pollution, and simplifying the sampling process

Inactive Publication Date: 2018-11-20
韩德礼
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, cotton swabs or filter paper cannot completely release the collected microorganisms, which may easily cause incomplete cultivation of cultivable microorganisms; in addition, the sampling of microorganisms on the surface of objects requires aseptic operation, while cotton swabs or filter paper are used in the collection and elution of microorganisms. During the process, it is easy to be polluted by environmental microorganisms, and it is difficult to meet the requirements of aseptic operation; these shortcomings will cause the deviation of the microbial test results on the surface of the object
In addition, the operation process of the above method is cumbersome and inefficient, which easily causes waste of human resources
When the number of colonies of the target culture grown in the culture medium in the petri dish is huge, the counting process of the colonies is more cumbersome

Method used

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  • Split type surface sampling petri dish based on grid counting
  • Split type surface sampling petri dish based on grid counting
  • Split type surface sampling petri dish based on grid counting

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Embodiment Construction

[0009] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the described embodiments are only used to explain the present invention, and all simplifications or equivalent changes based on the technical solutions of the present invention fall within the protection scope of the present invention.

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Abstract

The invention discloses a split type surface sampling petri dish based on grid counting. The petri dish comprises a dish bottom and a dish cover. When being stressed, at least one transverse crack opening and at least one longitudinal crack opening formed in at least one first dish bottom side wall can be split, a movable dish bottom side wall is separated, and the at least one first dish bottom side wall is lower than the plane of a solid medium, so that surface microorganism sampling operation is simpler and more convenient; the counting process of colonies can be simplified by grid lines.

Description

Technical field [0001] The invention relates to an experimental equipment, in particular to a cleavage type square counting surface sampling petri dish. Background technique [0002] Petri dishes are one of the most widely used experimental equipment in biology. They are often used for the cultivation and testing of microorganisms on the surface of food packaging materials, tableware and other objects. The sampling of microorganisms on the surface of objects usually wipes the surface of the object to be tested with a sterile cotton swab, or Close the surface of the object to be tested with sterile filter paper, and then transfer the cotton swab or filter paper to the buffer for elution to achieve the purpose of sampling. However, cotton swabs or filter paper cannot completely release the collected microorganisms, which can easily cause incomplete cultivation of cultivable microorganisms; in addition, the sampling of surface microorganisms requires aseptic operations, while cotton...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/34C12M1/22C12M1/26
CPCC12M23/10C12M33/02C12M41/36
Inventor 韩涛韩德礼
Owner 韩德礼
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