CN105734699A - Airflow and air bubble spinning device for preparing ordered fiber material based on assistance of magnetic field - Google Patents
Airflow and air bubble spinning device for preparing ordered fiber material based on assistance of magnetic field Download PDFInfo
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- CN105734699A CN105734699A CN201610322789.1A CN201610322789A CN105734699A CN 105734699 A CN105734699 A CN 105734699A CN 201610322789 A CN201610322789 A CN 201610322789A CN 105734699 A CN105734699 A CN 105734699A
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- control means
- magnetic field
- magnetic control
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
Abstract
The invention discloses an airflow and air bubble spinning device for preparing an ordered fiber material based on assistance of a magnetic field. Magnetic control devices are arranged between an air bubble spraying pipe and a receiving device; when the fiber material is molded, the longitudinal magnetic control device can realize collection of jet flow in the longitudinal direction and the transverse magnetic control device can realize stretching of the jet flow in the magnetic control device in the transverse direction; the controllability of a jet flow track is realized under the action of the magnetic field, so that the technical problems in an existing airflow and air bubble spinning process that a jet flow angle is too large and the collection of the fibers is disordered, caused by the non-stable swinging of the jet flow, are solved, and a microstructure of the fibers is changed and the orientation degree of the fibers is improved.
Description
Technical field
The invention belongs to air bubble spinning technical field, be specifically related to a kind of air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary.
Background technology
Micro/nano-fibre material, owing to possessing very big specific surface area, excellent mechanical performance, unique bionical characteristic and significant dimensional effect, is therefore widely used in fields such as biomedicine, energy security, composite material templates.At present, the method preparing micro/nano-fibre material mainly has template, liquid phase reduction, centrifuging, method of electrostatic spinning, air-flow air bubble spinning method etc., but, due to these methods itself jet is moved uncontrollable, the dynamic instability of whip causing jet strong, the micro/nano-fibre therefore prepared is mostly the non-woven fabrics form of random alignment.
Air-flow air bubble spinning technology is with air-flow for power, and the bubble that breaks produces substantial amounts of fine fluid column and is stretched under the effect of high velocity air refinement, achieves producing in a large number of micro nanometer fiber to a certain extent.In air-flow air bubble spinning process, injection stream self is had astable swing characteristic, cause to produce impact between injection stream, intermesh between per share injection stream, result in fiber drop point on the reception device and there is randomness, the fiber distribution collected has arbitrariness, also collects to fiber simultaneously and causes certain difficulty.
But, the application in organizational project, opto-electronic device, increase template etc. of the unordered fibrous material cannot meet requirement, and orderly and controlled micro nanometer fiber imparts the excellent properties that fibrous material is new, therefore greatly promote the micro nanometer fiber application in this kind of field.If fibrous material is for conductive material in cell scaffold material, desirable super hydrophobic material, photoelectric device etc., require that cell prolongs specific direction growth, this is necessary for requiring that fibrous material has good order and electrostatic spinning nano fiber need be asked to have good orientation, therefore, prepare nanofiber controlled in order and become the focus of research now.
Magnetic field ancillary technique is to utilize this field with special energy, magnetic field, produces power with controll plant effect, is macroscopically changing its kinestate, changing its structure on microcosmic.Utilize magnetic field to control the unsteady motion of injection stream, spinning process introduces magnetic field, make the non-stable rotary-jet circulation in tradition spinning situation become metastable injection stream, change microstructure fiber simultaneously, improve the degree of orientation of fiber.
Therefore, in order to effectively solve Problems existing in above-mentioned technology, it is necessary to provide a kind of novel air-flow air bubble spinning device, to overcome drawbacks described above.
Summary of the invention
In view of this, the invention provides a kind of air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary, by arranging magnetic control means between bubble jet pipe and reception device, can realize when shaping fiber material jet convergence in the vertical and stretching in the horizontal, realize the controllability of jet path, excessive to solve flow angle in existing air-flow air bubble spinning process, the astable swing of injection stream causes that technical problem unordered in a jumble collected by fiber, change microstructure fiber, improve the degree of orientation of fiber.
According to a kind of air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary that the purpose of the present invention proposes, including bubble jet pipe and the high pressure draught playpipe being arranged at described bubble jet pipe periphery, bubble jet pipe top molding bubble broken formation jet, high pressure draught playpipe ejection air drawing jet, jet is deposited on the reception device above bubble jet pipe；Described air-flow air bubble spinning device also includes regulating and controlling the magnetic control means of jet path, described magnetic control means is arranged at the surface of bubble jet pipe, described magnetic control means includes realizing longitudinal magnetic control means and the horizontal magnetic control means realizing jet cross directional stretch that jet longitudinally converges respectively, and described longitudinal magnetic control means and described horizontal magnetic control means are set in turn on the line of jet-core region.
Preferably, described longitudinal magnetic control means is arranged at the lower section of horizontal magnetic control means, and described horizontal magnetic control means is arranged near receiving device.
Preferably, described longitudinal magnetic control means is least one set, and often group includes the coaxial parallel magnet exciting coil of longitudinally disposed two and analog magnetic field generator, the jet described magnet exciting coil of traverse.
Preferably, described magnet exciting coil is centrally located on the axis of bubble jet pipe, and the magnetic line of force of described magnet exciting coil is parallel with bubble jet pipe axis, is provided with height adjuster between described magnet exciting coil.
Preferably, the magnetic field intensity of described longitudinal magnetic control means is regulated by analog magnetic field generator, and flux control ranges for 0-5T.
Preferably, described horizontal magnetic control means is least one set, and often group includes electric magnet and high-tension current generator, and described electric magnet is the synonyms pole Magnet of horizontally-parallel setting, the magnetic line of force of described electric magnet is vertical with bubble jet pipe axis, and jet is extremely received on device by injection through between two electric magnet.
Preferably, described electric magnet is symmetrically distributed in bubble jet pipe axis both sides, is provided with range adjuster between described electric magnet.
Preferably, the magnetic field intensity of described horizontal magnetic control means is regulated by high-tension current generator, and flux control ranges for 0-5T.
Preferably, the distance between two electric magnet is not less than the diameter of magnet exciting coil, and is provided with range adjuster between described longitudinal magnetic control means and horizontal magnetic control means.
Preferably, described air-flow air bubble spinning device also includes low-voltage direct electrostatic generator, and described low-voltage direct electrostatic generator is connected with the metal electrode inserted bottom bubble jet pipe, and the range of described low-voltage direct electrostatic generator is 0-100V.
Compared with prior art, the advantage of the air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary disclosed by the invention is:
By arranging magnetic control means between bubble jet pipe and reception device, when shaping fiber material, longitudinal magnetic control means can realize jet convergence in the vertical, horizontal magnetic control means can realize jet stretching in the horizontal, realized the controllability of jet path by the effect in magnetic field, excessive to solve flow angle in existing air-flow air bubble spinning process, the astable swing of injection stream causes that technical problem unordered in a jumble collected by fiber, change microstructure fiber, improve the degree of orientation of fiber.
Adopt the uniform magnetic field that coaxial excitation coil produces as longitudinal magnetic field, guarantee that the magnetic line of force is parallel with bubble jet pipe axis, the electrically charged jet that spiral swings is drawn close to bubble jet pipe axis at the move under influence track of Lorentz force, effectively reduce the amplitude of fluctuation of jet, thus effectively solve to a certain extent due under action of high-speed airflow the huge pendulum angle of fluidic vectoring thrust and cause the technical problem of fiber not easily collecting.
Adopt the uniform magnetic field that the electric magnet being parallel to each other produces as transverse magnetic field, guarantee that the magnetic line of force is vertical with bubble jet pipe axis, the electrically charged jet that spiral swings is stretched under the effect of Lorentz force, the degree of orientation of fiber is increased dramatically, so that a large amount of Random fiber ordering gradually produced under action of high-speed airflow.
Low-voltage direct electrostatic generator is adopted to make a certain amount of electric charge of solution band, the electrostatic too high potential safety hazard caused when effectively avoiding high-voltage electrostatic spinning to prepare ordered fiber.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of air-flow air bubble spinning device disclosed by the invention.
Fig. 2 is the structural representation of longitudinal magnetic control means.
Fig. 3 is the structural representation of horizontal magnetic control means.
Fig. 4 is the structural representation receiving device.
The title of the numeral in figure or the corresponding component representated by letter:
1, feed tank 2, for fluid catheter 3, bubble jet pipe 4, high pressure draught playpipe 5, longitudinal magnetic control means 6, horizontal magnetic control means 7, receive device 8, bubble 9, bubbler tube 10, air pump 11, metal electrode 12, low-voltage direct electrostatic generator
51, magnet exciting coil 52, analog magnetic field generator
61, electric magnet 62, high-tension current generator
71, roller is received
Detailed description of the invention
In air-flow air bubble spinning process, injection stream self is had astable swing characteristic, cause to produce impact between injection stream, intermesh between per share injection stream, result in fiber drop point on the reception device and there is randomness, the fiber distribution collected has arbitrariness, also collects to fiber simultaneously and causes certain difficulty.And multiple fields require that fibrous material has good order and electrostatic spinning nano fiber need be asked to have good orientation in prior art, therefore, prepare nanofiber controlled in order and become the focus of research now.
The present invention is directed to deficiency of the prior art, provide a kind of air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary, by arranging magnetic control means between bubble jet pipe and reception device, can realize when shaping fiber material jet convergence in the vertical and stretching in the horizontal, realize the controllability of jet path, excessive to solve flow angle in existing air-flow air bubble spinning process, the astable swing of injection stream causes that technical problem unordered in a jumble collected by fiber, change microstructure fiber, improve the degree of orientation of fiber.
Following by detailed description of the invention, technical scheme is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Refer to Fig. 1, as shown in the figure, a kind of air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary, including bubble jet pipe 3 and the high pressure draught playpipe 4 being arranged at bubble jet pipe 3 periphery, high pressure draught playpipe is symmetricly set in the both sides of bubble jet pipe.
Feed tank 1 by providing solution for fluid catheter 2 in bubble jet pipe, air pump 10 is connected with the bubbler tube 9 inserted in bubble jet pipe 3, bubble jet pipe 3 top molding bubble broken formation jet is acted on by air pump and bubbler tube, high pressure draught playpipe ejection air drawing jet, jet is deposited on the reception device 7 above bubble jet pipe.
Air-flow air bubble spinning device also includes regulating and controlling the magnetic control means of jet path, magnetic control means is arranged at the surface of bubble jet pipe 3, magnetic control means includes realizing longitudinal magnetic control means 5 and the horizontal magnetic control means 6 realizing jet cross directional stretch that jet longitudinally converges respectively, and longitudinal magnetic control means 5 is set in turn on the line of jet-core region with horizontal magnetic control means 6.
Longitudinal magnetic control means 5 is arranged at the lower section of horizontal magnetic control means 6, and horizontal magnetic control means 6 is arranged near receiving device.Wherein by two magnetic control means upper-lower positions are defined, it is ensured that redraw after jet convergence one step ahead, be conducive to improving effectiveness and the order that fiber is collected.
As in figure 2 it is shown, longitudinal magnetic control means 5 is least one set, often group includes longitudinally disposed magnet exciting coil 51 and analog magnetic field generator 52, and jet converges through magnet exciting coil.Magnet exciting coil is two coaxial parallel coils, guarantee between two parallel coil for uniform magnetic field B, effectively reduce the pendulum angle of jet, improve the stability that jet swings, making fiber be easier to collect, simultaneously distance between two magnet exciting coils, magnetic field intensity can adjust according to actual spinning situation.And longitudinal direction magnetic control means can be setting up and down one or more groups, concrete set-up mode can set as required, does not limit at this.
Magnet exciting coil 51 is centrally located on the axis of bubble jet pipe 3, and the magnetic line of force of magnet exciting coil 51 is parallel with bubble jet pipe axis, is effectively ensured swing stability and the orientation of jet.It is additionally provided with height adjuster between magnet exciting coil, the distance between two coils can be regulated as required.
Wherein, the magnetic field intensity of longitudinal magnetic control means is adjusted by analog magnetic field generator 52, and flux control ranges for 0-5T.Generally it is adjustable as 1T, 2T, 3T, 4T etc., does not specifically limit.
As shown in Figure 3, horizontal magnetic control means is least one set, often group includes electric magnet 61 and high-tension current generator 62, electric magnet 61 is the synonyms pole Magnet of horizontally-parallel setting, the magnetic line of force of electric magnet 61 is vertical with bubble jet pipe 3 axis, and jet is extremely received on device 7 by injection through between two electric magnet.Horizontal magnetic control means can be setting up and down one or more groups, and concrete set-up mode can set as required, does not limit at this.
By by the two horizontally-parallel settings of electric magnet, and ensure that electric magnet is symmetrically distributed in bubble jet pipe axis both sides, ensure that between electric magnet be uniform magnetic field B, effectively raise the degree of orientation of fiber, make fiber unordered in a jumble be further stretched the substantial amounts of ordered fiber of formation.
It is provided with range adjuster between electric magnet 61, can be adjusted according to specific needs.
The magnetic field intensity of horizontal magnetic control means 6 is regulated by high-tension current generator 62, and flux control ranges for 0-5T.Generally it is adjustable as 1T, 2T, 3T, 4T etc., does not specifically limit.
Distance between two electric magnet is not less than the diameter of magnet exciting coil, it is ensured that jet can pass magnetic control means accurately, and is provided with range adjuster between longitudinal magnetic control means and horizontal magnetic control means, regulates distance therebetween as the case may be.
Additionally, air-flow air bubble spinning device also includes low-voltage direct electrostatic generator 12, low-voltage direct electrostatic generator 12 is connected with the metal electrode 11 inserted bottom bubble jet pipe, and the range of low-voltage direct electrostatic generator is 0-100V.Can be 50V, 60V, 70V etc., specifically not limit.By adopting low-voltage direct electrostatic generator to make a certain amount of electric charge of solution band, the electrostatic too high potential safety hazard caused when effectively avoiding high-voltage electrostatic spinning to prepare ordered fiber.
Receive device to adopt reception plate or receive roller, adopting in the present invention and receive roller 71, by adopting round roller as receiving device, fiber drops on to receive and is stretched by the rotation tangential force effect receiving roller further on roller, be conducive to improving further the orientation of fiber, and obtain single fiber.
The operation principle of the present invention is as follows:
Open feed tank 1 to begin through and in bubble jet pipe 3, carry solution for fluid catheter 2, in bubble jet pipe 3, fill solution.Open air pump 10 again, regulate to suitable airflow rate, feed tank 1 is regulated to suitable feed flow speed simultaneously.Bubble 8 produces in the high polymeric solution of bubbler tube 9 end, and the bubble 8 of generation gradually rises to top from the bottom of bubble jet pipe 3 and breaks.Meanwhile, opening low-voltage direct electrostatic generator 12, regulate to suitable magnitude of voltage, low-voltage direct electrostatic generator 12 applies a certain amount of electric charge by metal electrode 11 to the solution in bubble jet pipe.Opening high pressure draught generating means, regulate to suitable airflow rate, high velocity air is spouting via high pressure draught playpipe 4.The refinement that is stretched under the effect of the high velocity air ejected after rising to the bubbles burst on bubble jet pipe 3 top forms substantial amounts of micro nanometer fiber material.Meanwhile, open magnetic control means, regulate to suitable magnitude of field intensity.Micro nanometer fiber material forms, through longitudinal magnetic control means 5 effect, the jet that the amplitude of oscillation is more stable, stretches then through horizontal magnetic control means 6 effect and forms height-oriented micro nanometer fiber material, finally collects and receiving on device 7.
The invention discloses a kind of air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary, by arranging magnetic control means between bubble jet pipe and reception device, when shaping fiber material, longitudinal magnetic control means can realize jet convergence in the vertical, horizontal magnetic control means can realize jet stretching in the horizontal, the controllability of jet path is realized by the effect in magnetic field, excessive to solve flow angle in existing air-flow air bubble spinning process, the astable swing of injection stream causes that technical problem unordered in a jumble collected by fiber, change microstructure fiber, improve the degree of orientation of fiber.
Adopt the uniform magnetic field that coaxial excitation coil produces as longitudinal magnetic field, guarantee that the magnetic line of force is parallel with bubble jet pipe axis, the electrically charged jet that spiral swings is drawn close to bubble jet pipe axis at the move under influence track of Lorentz force, effectively reduce the amplitude of fluctuation of jet, thus effectively solve to a certain extent due under action of high-speed airflow the huge pendulum angle of fluidic vectoring thrust and cause the technical problem of fiber not easily collecting.
Adopt the uniform magnetic field that the electric magnet being parallel to each other produces as transverse magnetic field, guarantee that the magnetic line of force is vertical with bubble jet pipe axis, the electrically charged jet that spiral swings is stretched under the effect of Lorentz force, the degree of orientation of fiber is increased dramatically, so that a large amount of Random fiber ordering gradually produced under action of high-speed airflow.
Low-voltage direct electrostatic generator is adopted to make a certain amount of electric charge of solution band, the electrostatic too high potential safety hazard caused when effectively avoiding high-voltage electrostatic spinning to prepare ordered fiber.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. the air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary, including bubble jet pipe and the high pressure draught playpipe being arranged at described bubble jet pipe periphery, bubble jet pipe top molding bubble broken formation jet, high pressure draught playpipe ejection air drawing jet, jet is deposited on the reception device above bubble jet pipe；It is characterized in that: described air-flow air bubble spinning device also includes regulating and controlling the magnetic control means of jet path, described magnetic control means is arranged at the surface of bubble jet pipe, described magnetic control means includes realizing longitudinal magnetic control means and the horizontal magnetic control means realizing jet cross directional stretch that jet longitudinally converges respectively, and described longitudinal magnetic control means and described horizontal magnetic control means are set in turn on the line of jet-core region.
2. the air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary as claimed in claim 1, it is characterised in that described longitudinal magnetic control means is arranged at the lower section of horizontal magnetic control means, described horizontal magnetic control means is arranged near receiving device.
3. the air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary as claimed in claim 1, it is characterized in that, described longitudinal magnetic control means is least one set, often group includes the coaxial parallel magnet exciting coil of longitudinally disposed two and analog magnetic field generator, the jet described magnet exciting coil of traverse.
4. the air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary as claimed in claim 3, it is characterized in that, described magnet exciting coil is centrally located on the axis of bubble jet pipe, the magnetic line of force of described magnet exciting coil is parallel with bubble jet pipe axis, is provided with height adjuster between described magnet exciting coil.
5. the air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary as claimed in claim 3, it is characterised in that the magnetic field intensity of described longitudinal magnetic control means is regulated by analog magnetic field generator, and flux control ranges for 0-5T.
6. the air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary as claimed in claim 3, it is characterized in that, described horizontal magnetic control means is least one set, often group includes electric magnet and high-tension current generator, described electric magnet is the synonyms pole Magnet of horizontally-parallel setting, the magnetic line of force of described electric magnet is vertical with bubble jet pipe axis, and jet is extremely received on device by injection through between two electric magnet.
7. the air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary as claimed in claim 6, it is characterised in that described electric magnet is symmetrically distributed in bubble jet pipe axis both sides, is provided with range adjuster between described electric magnet.
8. the air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary as claimed in claim 6, it is characterised in that the magnetic field intensity of described horizontal magnetic control means is regulated by high-tension current generator, and flux control ranges for 0-5T.
9. the air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary as claimed in claim 6, it is characterized in that, distance between two electric magnet is not less than the diameter of magnet exciting coil, and is provided with range adjuster between described longitudinal magnetic control means and horizontal magnetic control means.
10. the air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary as claimed in claim 1, it is characterized in that, described air-flow air bubble spinning device also includes low-voltage direct electrostatic generator, described low-voltage direct electrostatic generator is connected with the metal electrode inserted bottom bubble jet pipe, and the range of described low-voltage direct electrostatic generator is 0-100V.
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| CN201610322789.1A CN105734699A (en) | 2016-05-16 | 2016-05-16 | Airflow and air bubble spinning device for preparing ordered fiber material based on assistance of magnetic field |
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| CN201610322789.1A CN105734699A (en) | 2016-05-16 | 2016-05-16 | Airflow and air bubble spinning device for preparing ordered fiber material based on assistance of magnetic field |
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| CN107604451A (en) * | 2017-10-11 | 2018-01-19 | 广州新诚生物科技有限公司 | A kind of magnetic fluid device for spinning |
| CN108085755A (en) * | 2018-02-12 | 2018-05-29 | 苏州大学 | Bubble generator, multi-functional air bubble spinning device and method |
| CN108588858A (en) * | 2018-04-20 | 2018-09-28 | 西安工程大学 | A kind of electrostatic spinning apparatus and method preparing large area orientated nano fibers film |
| CN109750361A (en) * | 2019-03-22 | 2019-05-14 | 大连民族大学 | The electrospinning fibre controllable electric magnetic field injection experiment device of more solution ratios |
| CN109913958A (en) * | 2019-03-22 | 2019-06-21 | 大连民族大学 | Electrospinning fibre sprays environment resultant field wind field control device |
| CN115652533A (en) * | 2022-11-09 | 2023-01-31 | 武汉纺织大学 | System for preparing nanofiber membrane by using external magnetic field to assist microfluidics and using method |
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