Plant root toxicology research device and toxicology research method

A toxicology and root technology, applied in the field of toxicology research, can solve problems such as difficult operation, complex structure, and low efficiency, and achieve the effects of reducing experimental consumables, improving experimental efficiency, and reducing experimental risks

Pending Publication Date: 2022-02-18
XIAN JIAOTONG LIVERPOOL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Existing toxicological experimental devices have disadvantages such as complex structure, difficult operation, and low efficiency. Therefore, how to simplify the structure of the experimental device and improve the experimental efficiency has become the focus of attention.

Method used

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  • Plant root toxicology research device and toxicology research method
  • Plant root toxicology research device and toxicology research method
  • Plant root toxicology research device and toxicology research method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0145] A device for toxicological research on plant roots is provided in this embodiment, including a detachably connected toxicological test chamber and a cultivation chamber, such as figure 1 As shown, the toxicology test is carried out by placing the culture chamber above the toxicology test chamber, wherein the toxicology test chamber includes a body 1 with an open cylindrical structure, and the culture chamber includes a shell 2 with a circular frustum structure.

[0146] Such as figure 2 As shown, the diameter of the body 1 is 50mm, and the height is 100mm. The body 1 is provided with two identical first partitions 4 with a thickness of 1 mm. The first partitions 4 divide the body 1 into a first chamber and a second chamber. The joints of the two first partitions 4 form a test Sample cavity6. The end of the first partition 4 away from the sample chamber 6 is seamlessly connected with the inner wall of the body 1 , and a sealing film 7 is provided at the opening of the...

Embodiment 2

[0150] A device for toxicological research on plant roots is provided in this embodiment, including a detachably connected toxicological testing chamber and a cultivation chamber, and placing the cultivation chamber above the toxicological testing chamber for toxicological testing, wherein the toxicological testing chamber The body 1 includes an open cylindrical structure, and the culture chamber includes a shell 2 with a circular frustum structure.

[0151] The diameter of the body 1 is 40mm and the height is 90mm. Two identical first partitions 4 with a thickness of 0.7 mm are arranged in the body 1, and the first partition 4 divides the body 1 into a first chamber and a second chamber, and the junction of the two first partitions 4 forms a Sample chamber6. A sealing film 7 is provided at the opening of the body 1 . A hollow cylinder detachably fixed to the bottom of the main body 1 is arranged in the sample cavity 6 . The hollow cylinder has a diameter of 2.5 mm and a he...

Embodiment 3

[0155] A device for toxicological research on plant roots is provided in this embodiment, including a detachably connected toxicological testing chamber and a cultivation chamber, and placing the cultivation chamber above the toxicological testing chamber for toxicological testing, wherein the toxicological testing chamber The body 1 includes an open cylindrical structure, and the culture chamber includes a shell 2 with a circular frustum structure.

[0156] The diameter of the body 1 is 60mm and the height is 150mm. Two identical first partitions 4 with a thickness of 1.2mm are arranged in the body 1, and the first partition 4 divides the body 1 into a first chamber and a second chamber, and the junction of the two first partitions 4 forms a Sample chamber6. A sealing film 7 is provided at the opening of the body 1 . A hollow cylinder detachably fixed to the bottom of the main body 1 is arranged in the sample cavity 6 . The hollow cylinder has a diameter of 4mm and a heigh...

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Abstract

The invention provides a device and a method for toxicological research of plant roots. The device comprises a toxicological test chamber and a culture chamber which are detachably connected, wherein the culture chamber is arranged above the toxicological test chamber for toxicological test, the toxicological test chamber comprises a body, at least two butted first partition plates are arranged in the body, the body is divided into at least two cavities by the first partition plates, a sample cavity is reserved at the butted part of the butted first partition plates, and the sample cavity is used for accommodating a plant root. The device has characteristics of simplicity, rapidness, convenience and safety, is not only suitable for research of single factor influence, but also can be used for research of multi-element combination effect, reduces experimental consumables, reduces experimental risks, and improves experimental efficiency.

Description

technical field [0001] The invention belongs to the technical field of toxicological research, and relates to a device for toxicological research on plant roots and a toxicological research method. Background technique [0002] Heavy metals (mercury, cadmium, lead, arsenic, etc.) have become the most common pollutants in farmland soil environment. Heavy metal ions in soil can be taken up by plant roots and transported to stems and leaves through symplasts and apoplasts. After heavy metal elements enter plants, due to their chemical similarity with certain nutrients and mismatches in the active sites of antioxidant enzymes, even at low concentrations, they will cause oxidative stress in plant cells and produce strong toxic effects. , leading to plant growth inhibition or even death, thereby reducing the yield and quality of various agricultural products. In particular, the accumulation of heavy metals in the roots of plants affects the division of root cells, induces chromo...

Claims

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Application Information

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IPC IPC(8): G01N33/00A01G9/029
CPCG01N33/0098A01G9/029
Inventor 吴泽俊王舒衡袁林喜
Owner XIAN JIAOTONG LIVERPOOL UNIV
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