CN219637229U - Cell sorting magnetic rack - Google Patents
Cell sorting magnetic rack Download PDFInfo
- Publication number
- CN219637229U CN219637229U CN202320880775.7U CN202320880775U CN219637229U CN 219637229 U CN219637229 U CN 219637229U CN 202320880775 U CN202320880775 U CN 202320880775U CN 219637229 U CN219637229 U CN 219637229U
- Authority
- CN
- China
- Prior art keywords
- magnetic
- main body
- test tube
- accommodating groove
- cell sorting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000011324 bead Substances 0.000 abstract description 11
- 239000007853 buffer solution Substances 0.000 abstract description 5
- 238000010828 elution Methods 0.000 abstract description 5
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 238000011010 flushing procedure Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 239000012472 biological sample Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000003018 immunoassay Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000000751 protein extraction Methods 0.000 description 1
- 238000001742 protein purification Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000012521 purified sample Substances 0.000 description 1
- 239000013076 target substance Substances 0.000 description 1
Abstract
The utility model discloses a cell sorting magnetic rack, which comprises a magnetic rack main body, wherein at least one test tube accommodating groove is formed in the magnetic rack main body, and matched test tube jacks are formed in the top of the magnetic rack main body positioned at the position of the test tube accommodating groove; the counterweight chassis is arranged at the bottom of the magnetic frame main body; a plurality of arc electromagnets which are arranged at intervals along the circumference of the test tube accommodating groove, wherein the inner ring and the outer ring of the arc electromagnets are in different two stages; the power supply unit is arranged in the magnetic frame main body and is electrically connected with the annular electromagnetic unit, and the switch of the power supply unit is arranged on the outer wall of the magnetic frame main body. The utility model has the advantages that a 360-degree magnetic field is provided, so that the magnetic beads can be fully adsorbed, and the large-capacity centrifuge tube can be fully adsorbed without rotating; and the electromagnetic principle is utilized, whether the existence of magnetic force is needed can be conveniently controlled, the centrifuge tube is not required to be taken out for elution after the buffer solution is used for flushing after the adsorption, and the operation is more convenient only by closing the switch.
Description
Technical Field
The utility model relates to the technical field of biological experimental equipment, in particular to a cell sorting magnetic rack.
Background
The magnetic rack is mainly used in the technical field of magnetic separation and is widely applied to the fields of gene detection, immunoassay, protein purification and extraction and the like. The biological magnetic beads have fluidity of liquid and fixed magnetism, a biological sample and the magnetic beads are mixed in the solution, target substances are specifically combined with the magnetic beads, and the biological sample in the solution can be washed and eluted by carrying out magnetism adding and demagnetizing operations on a magnetic frame, so that a purified sample can be obtained.
However, the existing magnetic rack is generally formed by fixing a permanent magnet on one side of the magnetic rack, and when a large-capacity and wide-caliber centrifuge tube is used, the magnetic beads on one side far away from the magnet are often insufficiently adsorbed, and the problems that the adsorbed magnetic beads fall off and the like are solved by slowly rotating the centrifuge tube are solved; in addition, the centrifuge tube is required to be taken out from the magnetic rack for liquid exchange and elution in use so as to leave the magnetic field, and the use is inconvenient.
Disclosure of Invention
The utility model aims to provide a cell sorting magnetic frame, which is sufficient in magnetic bead adsorption and convenient in liquid exchange and elution operation.
In order to achieve the above purpose, the present utility model may adopt the following technical scheme:
the utility model relates to a cell sorting magnetic frame, which comprises
The magnetic rack comprises a magnetic rack main body, wherein the magnetic rack main body is provided with at least one test tube accommodating groove, and the top of the magnetic rack main body positioned at the position of the test tube accommodating groove is provided with a matched test tube jack; the counterweight chassis is arranged at the bottom of the magnetic frame main body; the annular electromagnetic unit comprises a plurality of arc electromagnets which are arranged at intervals along the circumferential direction of the test tube accommodating groove, and the inner ring and the outer ring of the arc electromagnets are in different two stages; the power supply unit is arranged in the magnetic frame main body and is electrically connected with the annular electromagnetic unit, and a switch of the power supply unit is arranged on the outer wall of the magnetic frame main body; the annular magnetic field makes the magnetic beads in the tube still fully adsorb when using large capacity easy, wide bore centrifuging tube, and through the magnetism and demagnetizing operation of switch control annular electromagnetic unit, can conveniently control whether need the existence of magnetic force, wash the back with the buffer solution and need not to take out the centrifuging tube and elute, only need close the magnetic field switch can, convenient operation.
Preferably, a fixed sleeve is sleeved outside the annular electromagnetic unit, and the annular electromagnetic unit is placed in a cavity between the test tube accommodating groove and the fixed sleeve, so that the fixation is firm.
Preferably, the annular electromagnetic unit is four arc electromagnets arranged at intervals along the circumferential direction of the test tube accommodating groove, and the four arc electromagnets form a circular ring shape, so that a magnetic field of 360 degrees can be formed, and the adsorption is optimal.
Preferably, the magnetic pole distribution of each arc electromagnet is internally N-pole and externally S-pole.
Preferably, the inner wall of the test tube accommodating groove is provided with a flexible clamping piece, and the centrifuge tube is more stable after being inserted.
Preferably, the flexible clamping piece is a flexible sponge ring horizontally adhered to the inner wall of the test tube accommodating groove, the stability of the centrifuge tube after insertion is high, and the centrifuge tube is not easy to shake during operation.
The utility model has the advantages that by arranging four arc electromagnets, a 360-degree magnetic field is provided, so that the magnetic beads can be fully adsorbed, and the large-capacity centrifuge tube can be fully adsorbed without rotation; and the electromagnetic principle is utilized, whether the existence of magnetic force is needed can be conveniently controlled, the centrifuge tube is not required to be taken out for elution after the buffer solution is used for flushing after the adsorption, and the operation is more convenient only by closing the switch.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic illustration of the electromagnetic field poles of the toroidal electromagnetic unit of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and 2, the cell sorting magnetic rack provided by the utility model comprises a magnetic rack main body 10, wherein the magnetic rack main body 10 is rectangular box-shaped, and is stable to place and convenient to take; at least one test tube accommodating groove 20 (the number of the test tube accommodating grooves 20 can be increased according to actual use requirements, and two test tube accommodating grooves are shown in the embodiment) is arranged on the magnetic rack main body 10, a flexible sponge ring 30 is horizontally adhered to the inner wall of the test tube accommodating groove 20, the stability of the centrifuge tube after being inserted is high, and the centrifuge tube is not easy to shake during operation;
a matched test tube jack is arranged at the top of the magnetic rack main body 10 at the position of each test tube accommodating groove 20, and the test tube jack is consistent with the test tube accommodating groove 20 in size;
the bottom of the magnetic frame main body 10 is provided with the counterweight chassis 40, so that the placement is more stable; four arc electromagnets 50 are arranged at intervals along the circumferential direction of the test tube accommodating groove 20, the four arc electromagnets 50 form a circular ring shape, a 360-degree magnetic field can be formed, the magnetic pole distribution of each arc electromagnet 50 is internally N-pole, the outside is S-pole, and the circular magnetic field ensures that magnetic beads in a tube can still be fully adsorbed when a large-capacity easy-to-use centrifuge tube with wide caliber is used;
a rechargeable battery is arranged in the inner cavity of the magnetic frame main body 10 and is electrically connected with the four arc electromagnets 50, a switch 60 of the rechargeable battery is arranged on the outer wall of the magnetic frame main body 10, and the switch 60 is used for controlling the magnetization and demagnetization operation of the annular electromagnetic unit, so that whether the magnetic force is needed or not can be conveniently controlled, a centrifuge tube is not needed to be taken out for elution after the buffer solution is used for flushing after the magnetic frame is adsorbed, and the magnetic field switch is only needed to be closed, so that the operation is convenient;
the fixing sleeve 70 is sleeved outside the four arc electromagnets 50, and the arc electromagnets 50 are placed in the cavity between the test tube accommodating groove 20 and the fixing sleeve 70, so that the fixing is firm.
According to the utility model, by arranging the four arc electromagnets 50, a 360-degree magnetic field is provided, so that the magnetic beads can be fully adsorbed, and the large-capacity centrifuge tube can be fully adsorbed without rotating; and utilize electromagnetic principle, can conveniently control whether need the existence of magnetic force, wash the back with the buffer solution and need not to take out the centrifuging tube and elute, only need close the switch can, convenient operation.
Claims (6)
1. A cell sorting magnetic frame is characterized by comprising
The magnetic rack comprises a magnetic rack main body, wherein the magnetic rack main body is provided with at least one test tube accommodating groove, and the top of the magnetic rack main body positioned at the position of the test tube accommodating groove is provided with a matched test tube jack;
the counterweight chassis is arranged at the bottom of the magnetic frame main body;
the annular electromagnetic unit comprises a plurality of arc electromagnets which are arranged at intervals along the circumferential direction of the test tube accommodating groove, and the inner ring and the outer ring of the arc electromagnets are in different two stages;
the power supply unit is arranged in the magnetic frame main body and is electrically connected with the annular electromagnetic unit, and the switch of the power supply unit is arranged on the outer wall of the magnetic frame main body.
2. The cell sorting magnetic stand according to claim 1, characterized in that: and a fixed sleeve is sleeved outside the annular electromagnetic unit.
3. The cell sorting magnetic stand according to claim 2, characterized in that: the annular electromagnetic unit is four arc electromagnets arranged at intervals along the circumferential direction of the test tube accommodating groove, and the four arc electromagnets form a circular ring.
4. A cell sorting magnetic stand according to claim 3, characterized in that: the magnetic pole distribution of each arc electromagnet is an inner N pole and an outer S pole.
5. The cell sorting magnetic stand according to claim 1, characterized in that: the inner wall of the test tube accommodating groove is provided with a flexible clamping piece.
6. The cell sorting magnetic stand according to claim 5, wherein: the flexible clamping piece is a flexible sponge ring horizontally adhered to the inner wall of the test tube accommodating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320880775.7U CN219637229U (en) | 2023-04-19 | 2023-04-19 | Cell sorting magnetic rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320880775.7U CN219637229U (en) | 2023-04-19 | 2023-04-19 | Cell sorting magnetic rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219637229U true CN219637229U (en) | 2023-09-05 |
Family
ID=87818015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320880775.7U Active CN219637229U (en) | 2023-04-19 | 2023-04-19 | Cell sorting magnetic rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219637229U (en) |
-
2023
- 2023-04-19 CN CN202320880775.7U patent/CN219637229U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |