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A new type of specimen preservation solution

A preservation solution and a new type of technology, applied in the field of biological anatomy, can solve the problems of unfixed specimen tissue and unsatisfactory preservation effect, and achieve the effects of excellent sterilization and mildew resistance, lightening the burden and reducing the cost.

Inactive Publication Date: 2016-08-24
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] For the existing specimen preservation solution, especially for human specimen preservation solution, the preservation effect is not ideal, and the specimen tissue is not fixed

Method used

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  • A new type of specimen preservation solution

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1, novel specimen preservation solution of the present invention:

[0019] Mix 1g of potassium sorbate, 1g of nano-silver, 10g of citric acid, 100ml of ethanol, and 20ml of glycerin, adjust the pH value of the preservation solution to 5-6, add water to 1000ml, and obtain a new specimen preservation solution.

Embodiment 2

[0020] Embodiment 2, novel specimen preservation solution of the present invention:

[0021] Mix 3g of potassium sorbate, 0.3g of nano-silver, 15g of citric acid, 200ml of ethanol, and 15ml of glycerol, adjust the pH value of the preservation solution to 5-6, add water to 1000ml, and obtain a new specimen preservation solution.

Embodiment 3

[0022] Embodiment 3, novel specimen preservation solution of the present invention:

[0023] Mix 5g of potassium sorbate, 0.1g of nano-silver, 20g of citric acid, 300ml of ethanol, and 20ml of glycerol, adjust the pH value of the preservation solution to 5-6, add water to 1000ml, and obtain a new specimen preservation solution.

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Abstract

The invention relates to the biotomy field and in particular relates to a novel specimen conservation solution. The conservation solution is prepared from the following components: 1-5g of potassium sorbate, 0.1-1g of nano-silver, 100-300ml of ethyl alcohol, 1-20ml of glycerin and 10-20g of citric acid; the pH value of the conservation solution is kept to be 5-6, and water is added for making up to constant volume of 1000ml. The specimen conservation solution can effectively keep the original color and luster of a specimen, the softness of all muscular tissues and ligaments and good toughness and elasticity; no moldy phenomenon occurs to the liquid level and the wall of a conservation vat, exposed tissue caused by reduction of the conservation solution still has certain humidity, and no moldy corrosion phenomenon is caused; the conservation solution is transparent, has no pungent smell, has good sterilization and anti-mold properties, does not contain toxic and harmful substances, is an environment-friendly solution, and is beneficial to large-scale application.

Description

technical field [0001] The invention relates to the field of biological anatomy, in particular to a novel specimen preservation solution. Background technique [0002] Human anatomy is a highly intuitive morphological science, and its experimental teaching activities are inseparable from cadaver specimens. In anatomy courses, teachers mainly use specimens to teach and explain, and students learn by watching specimens. The human specimens used are free bulk specimens, which are mainly preserved with 10% formalin solution. Due to the low boiling point of formalin, it is very volatile at room temperature. As the temperature rises, the volatilization speed accelerates, emitting a strong pungent smell, which seriously pollutes the laboratory environment, making students resist contact with specimens and affecting experimental teaching. development of work. On the other hand, formalin is extremely harmful to the health of the human body. If the human skin is directly exposed to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N1/00
Inventor 姚伙生钟光明徐达政初国良顾怀宇
Owner SUN YAT SEN UNIV
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