Vacuum concentration and purification treatment device
Technical Field
The utility model relates to a basic scientific research field, concretely relates to vacuum concentration purification processing apparatus.
Background
Purification, i.e., the process of converting an aggregate of multiple substances into one species or substance by physical, chemical, or biological means. Concentration is a unit operation that removes a portion of the solvent from the solution, and is a process in which the solute and solvent are partially separated.
In the experiment, because the content of impurities in the extracting solution is high and the concentration is low, the extracting solution is required to be refined, concentrated or purified. Such as nucleic acid purification kit, plasmid extraction kit, agarose gel or PCR product recovery kit, etc., are all designed by using the principle that an adsorption column adsorbs nucleic acid under the condition of high salt and elutes nucleic acid under the condition of low salt.
At present, the extraction and purification of DNA and RNA are mostly completed by a small-sized centrifuge through centrifugal operation, and the following problems exist:
(1) strict balancing and symmetrical placement are required during centrifugal operation, and the experimental steps are complicated;
(2) the waste liquid in the experimental process is manually poured to increase the pollution probability;
(3) the extraction and purification of nucleic acid of a large batch of samples are time-consuming and labor-consuming and are prone to errors;
(4) the experimental equipment has a complex structure, high experimental cost and time and labor waste.
In view of this, it is urgently needed to improve the existing concentration and purification treatment device, simplify the structure, reduce the cost and improve the experimental efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that current concentration and purification processing apparatus experimental procedure is loaded down with trivial details, and the manual increase pollution probability that falls of waste liquid in the experimentation, experimental facilities structure is complicated, and experiment is with high costs and the problem that wastes time and energy.
In order to solve the technical problem, the utility model provides a vacuum concentration and purification processing device, include:
the vacuum processing body is of a hollow structure, and the upper surface of the vacuum processing body is provided with a plurality of Ruhr interface slots;
the luer plug is detachably arranged on the luer slot;
the luer plug cover is matched with the luer rubber plug;
the universal adsorption column is used for plugging the luer rubber plug or arranging the luer rubber plug at the upper end of the universal adsorption column;
and the universal injector is detachably connected to the luer interface rubber plug at the upper end of the universal adsorption column.
In the above scheme, the luer slots are arranged in a matrix form and are arranged in 3 rows and 12 columns.
In the scheme, the left side of the vacuum treatment body is provided with a liquid outlet, the right side of the vacuum treatment body is provided with an adjustable gas port, and the bottom of the vacuum treatment body is provided with an anti-slip pad.
In the scheme, the number of the anti-slip pads is two, the anti-slip pads are arranged in a strip shape, and the length direction of the anti-slip pads is consistent with that of the vacuum treatment body.
In the above scheme, the liquid outlet can be dismantled and be connected the pipette, the other end of pipette is connected vacuum force pump.
In the scheme, the diameter of the luer insertion slot is 7mm, the inner caliber of the luer rubber plug is 4mm, the outer caliber of the luer rubber plug is 7mm, the diameter of the luer plug cover is 4.3mm, the diameter of the bottom insertion end of the universal adsorption column is 4mm, and the connecting caliber of the universal injector is 4 mm.
In the above scheme, the vacuum processing body is made of PP material.
Compared with the prior art, the utility model has the advantages of it is following:
1. the universal type adsorption column splicing mode is adopted, the operation is simple, and the experiment efficiency is effectively improved;
2. the number and the positions of the Ruhr interface slots can be selected according to specific experimental requirements, and the unused Ruhr interface slots are plugged by a Ruhr interface rubber plug and a Ruhr interface plug, so that the air tightness of the experiment is ensured, and various experimental requirements are met;
3. manual operation of waste liquid dumping in the experimental process is reduced, and the pollution probability is reduced;
4. the vacuum treatment body can be used for multiple times, so that the cost is reduced, the effect same as that of centrifugal operation can be instantly finished after the vacuum treatment body is started, and time and labor are saved;
5. the whole device has few accessories, simple structure and low cost.
Drawings
FIG. 1 is a schematic view of a vacuum concentration and purification treatment apparatus of the present invention;
figure 2 is the front view of the luer plug of the present invention inserted into a luer plug.
Detailed Description
The utility model provides a vacuum concentration and purification treatment device, simple structure, the experiment is with low costs. The invention is described in detail below with reference to the drawings and the detailed description.
As shown in fig. 1, the vacuum concentration and purification apparatus provided by the present invention comprises a vacuum processing body 10, a luer plug 20, a luer plug cover 30, a universal adsorption column 40 and a universal injector 50.
The vacuum processing body 10 is a hollow structure, and the upper surface of the vacuum processing body is provided with a luer insertion slot 11. During the experiment, the waste liquid flows into the vacuum treatment body 10 through the luer insertion slot 11.
The luer plug 20 is detachably arranged on the luer slot 11, and is used during experiments to ensure that the periphery of the luer slot 11 is sealed.
The luer plug 30 is removably disposed on the luer plug 20. The air-tightness of the experiment is ensured by plugging the air-tightness test plug on a luer slot 11 which is not used in the experiment.
The universal adsorption column 40 is a consumable in a nucleic acid purification reagent kit in a laboratory, and is inserted into the luer rubber plug 20 for use during an experiment. The upper end is adapted to the luer plug 20 for concentration.
The universal syringe 50 is detachably connected to the luer plug 20 at the upper end of the universal adsorption column 40. The general-purpose syringe 50 is used to place a large volume of sample solution or reagent for concentration processing.
Preferably, the luer slots 11 are arranged in a matrix form and are arranged in 3 rows and 12 columns, and as the experiment among the luer slots 11 has no influence, 36 samples can be tested at most simultaneously, and the experiment efficiency is high.
The left side of vacuum treatment body 10 is equipped with liquid outlet 13, and the right side is equipped with adjustable gas port 14, and the bottom is equipped with slipmat 12, and slipmat 12 is two bar slipmats, and length direction is unanimous with the length direction of vacuum treatment body 10, and the position is just to the bottom in the horizontal space of luer interface slot 11, because the slip of device influences the experimental result during the avoidance experiment.
The liquid outlet 13 of the vacuum processing body 10 is detachably connected with a pipette 61 of the vacuum pressure pump 60. The other end of the pipette 61 is connected to a vacuum pressure pump 60. The vacuum pressure pump 60 is used to pump out the air inside the vacuum processing body 10, so that the sample solution or the test reagent in the universal adsorption column 40 flows out from the bottom end thereof.
The diameter of the luer insertion slot 11 is 7mm, the inner caliber of the luer plug 20 is 4mm, the outer caliber of the luer plug is 7mm, the diameter of the luer plug cover 30 is 4.3mm, the diameter of the bottom insertion end of the universal adsorption column 40 is 4mm, and the connecting caliber of the universal injector 50 is 4 mm. The size is set accurately, and the effect of each part in the experiment is guaranteed.
Wherein, preferably, the vacuum treatment body is made of PP material, has low manufacturing cost and can be repeatedly used after high-temperature sterilization.
The utility model discloses a use method as follows:
(1) purification of nucleic acid material
During the experiment, the device is placed on a flat experiment table, and the liquid outlet 13 of the vacuum treatment body 10 is arranged on the left side; the luer plug 20 is arranged in the luer slot 11, the lower end of the universal adsorption column 40 is inserted into the luer plug 20, and the unused luer plug 20 is plugged into the luer plug cover 30; transferring the sample solution or the experimental reagent into the universal adsorption column 40; then, a pipette 61 of the vacuum pressure pump 60 is connected with the liquid outlet 13, the air port 14 can be adjusted to be appropriately screwed, the vacuum pressure pump 60 is started to suck out the waste liquid, and the flow rate can be controlled by adjusting the vacuum pressure pump 60; purified nucleic acid material was obtained according to the relevant kit instructions.
(2) Concentration and purification of large-volume low-copy-number plasmid or large-volume low-load viral nucleic acid
The device is placed in the same way as (1), the interface of the universal injector 50 is connected with the luer rubber plug 20 and is placed on the universal adsorption column 40 together, the sample solution to be treated is moved into the universal injector 50, the vacuum pressure pump is started to suck out the waste liquid, the universal adsorption column 40 is washed according to the instruction of the relevant kit, and finally, a proper amount of TE liquid is added into the universal adsorption column 40 to elute the sample nucleic acid on the adsorption column 40, so that the concentration and purification treatment of the sample are completed.
The utility model has the advantages of it is following:
1. the universal type adsorption column splicing mode is adopted, the operation is simple, and the experiment efficiency is effectively improved;
2. the number and the positions of the Ruhr interface slots can be selected according to specific experimental requirements, and the unused Ruhr interface slots are plugged by a Ruhr interface rubber plug and a Ruhr interface plug, so that the air tightness of the experiment is ensured, and various experimental requirements are met;
3. manual operation in the experimental process is reduced, and the pollution probability is reduced;
4. the vacuum treatment body can be used for multiple times, so that the cost is reduced, the effect same as that of centrifugal operation can be instantly finished after the vacuum treatment body is started, and time and labor are saved;
5. the whole device has few accessories, simple structure and low cost;
6. the universal centrifugal column and the injector are connected through the luer rubber plug, so that the concentration of large-volume low-copy-number plasmid or low-load virus nucleic acid is realized.
The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.