CN108010719A - A kind of preparation method of the high gradient magnetic matrix of the weak magnetic nanoparticle of collecting - Google Patents

A kind of preparation method of the high gradient magnetic matrix of the weak magnetic nanoparticle of collecting Download PDF

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Publication number
CN108010719A
CN108010719A CN201711268506.0A CN201711268506A CN108010719A CN 108010719 A CN108010719 A CN 108010719A CN 201711268506 A CN201711268506 A CN 201711268506A CN 108010719 A CN108010719 A CN 108010719A
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film
magnetic
preparation
matrix
collecting
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宋少先
葛伟
赵云良
彭伟军
陈天星
马球林
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Priority to CN201711268506.0A priority Critical patent/CN108010719A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • H01F41/30—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates for applying nanostructures, e.g. by molecular beam epitaxy [MBE]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/54—Electroplating of non-metallic surfaces

Abstract

The present invention relates to a kind of preparation method of the high gradient magnetic matrix of the weak magnetic nanoparticle of collecting, using template, respectively using hydrophilic porous membrane as template, using deposition ferromagnetic metal simple-substance or alloy in gap of the electro-deposition techniques in film, then organic solvent N is used, the dissolving of N dimethylformamides removes hydrophilic film and obtains porous metal foil, and removing the non-porous metallic film in porous metal foil bottom using electro-deposition techniques again afterwards obtains the magnetic matrix of through hole.The structure of this kind of magnetic matrix and aperture are determined by the hydrophilic film architectural feature chosen, there is the abundant nanostructured site that can produce high magnetic field gradients on its surface, media interior has diameter in 5 μm of uniform channels of 300nm, the monodispersed sub-magnetic debris of such structure energy collecting granularity as low as 40nm, the present invention has that preparation method is simple, single of low cost, prepared magnetic matrix can effectively collecting monodispersed weak magnetic nanoparticle the characteristics of.

Description

A kind of preparation method of the high gradient magnetic matrix of the weak magnetic nanoparticle of collecting
Technical field
The present invention relates to material to sort field, more particularly to a kind of high gradient magnetic matrix of the weak magnetic nanoparticle of collecting Preparation method.
Background technology
High-gradient magnetic separation is the sorting fine grain effective means of weak magnetic, have efficiently, environmental protection, selectivity is strong etc. many excellent Point, is widely used in fields such as sorting mineral, water resource purification, food processing, cell sortings.It is widely used at present Magnetic matrix is steel wool, effectively collecting weak magnetic fine grained, granularity lower limit can reach 10 μm.It is however, weak for what is disperseed Magnetic nanoparticle, steel wool but cannot effective collecting, sorted which has limited High-gradient Magnetic selecting technology in weak magnetic nanoparticle Application above.The magnetic force and the volume of particle that magnetic-particle is subject in magnetic field, susceptibility, magnetic field intensity and gradient are close Correlation, wherein it is the important means for increasing magneticaction suffered by magnetic-particle to improve magnetic field gradient.Magnetic matrix is High-gradient Magnetic The important composition component of machine is selected, for producing high magnetic field gradients and collecting weak magnetic fine grained, the unit size of magnetic matrix is got over Small, curvature is bigger, and the magnetic field gradient of generation is bigger, therefore prepares the magnetic matrix that can produce more high gradient and have relatively narrow Passage magnetic matrix and magnetic-particle are come into full contact with, it will be conducive to magnetic matrix and nanometer sub-magnetic debris caught Receive.
Weak magnetic nanoparticle has a wide range of applications.In water treatment field, larger specific surface area so that single point Scattered nano particle has superior absorption property and can save adsorbent amount.In biomedicine field, magnetic Nano Particle can be specifically bound with target substance such as cell, protein, the material such as DNA, RNA.If can effectively it catch These weak magnetic nanoparticles are received, the use of the weak magnetic adsorbent of nanometer will be promoted in water resource field of purification, while also can Enough direct collectings are as weak magnetic nanoparticle existing for pollutant, and in biomedicine field, the separation for being capable of high selectivity carries Take target substance.Therefore, it is necessary to develop the magnetic matrix for being capable of the weak magnetic nanoparticle of collecting, promote fwaater resources protection and life The development of thing field of medicaments technology, expands the application field of High-gradient Magnetic selecting technology.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of high gradient magnetic matrix of the weak magnetic nanoparticle of collecting Preparation method, to overcome above-mentioned deficiency of the prior art.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of high gradient of the weak magnetic nanoparticle of collecting is gathered The preparation method of magnetizing mediums, specifically comprises the following steps：
S100, using hydrophilic film as template, and a hydrophilic film wherein surface coat indium gallium alloy, obtain conduction Film；
S200, utilize conductive film, conductive metal sheet, sealing ring, galvanic deposition cell and power supply assembling electric deposition device；
S300, add electrolyte into the galvanic deposition cell of electric deposition device, powers on, and electrodeposit reaction is carried out, thin The certain thickness magnetic metal simple substance of deposition or alloy in film；
The film that deposited magnetic metal simple substance or alloy, be put into n,N-Dimethylformamide solution and soak by S400, Until hydrophilic film is dissolved completely, magnetic metal piece is obtained；
S500, using electrodeposit reaction removed the non-porous metal membrane part of magnetic metal on piece so that magnetic metal piece Two sides connection, obtain the magnetic matrix of through hole.
Based on the above technical solutions, the present invention can also be improved as follows.
Further, in the step S100, prepare conductive film and specifically include following steps：
S110, choose hydrophilic film as template, and is cut into a diameter of 10mm to 200mm size；
The indium gallium alloy of liquid, is equably coated in one layer of conductive layer of formation on a surface of hydrophilic film by S120, And hydrophilic film scribbles the surface of indium gallium alloy and is denoted as A faces, the one side for not smearing indium gallium alloy on hydrophilic film is denoted as B Face, obtains conductive film.
Further, in the step S200, assembling electric deposition device specifically includes following steps：
S210, by conductive film be laid in clean smooth conducting metal on piece, and make to scribble the one side of indium gallium alloy with Conductive metal sheet contact is good；
S220, be sequentially placed on the B surface of hydrophilic film sealing ring and through hole that internal diameter is slightly less than film diameter Galvanic deposition cell, and conductive metal sheet, conductive film, sealing ring and galvanic deposition cell are reinforced；
S230, conductive metal sheet are connected as cathode with the anode of power supply, and nickel wire, which is placed in galvanic deposition cell, is used as anode It is connected with the cathode of power supply, obtains electric deposition device.
Further, in the step S300, prepare magnetic metallic film and specifically include following steps：
The electrolyte of configuration, be added in the galvanic deposition cell of electric deposition device by S310；
S320, power on, and carries out electrodeposit reaction, allows indium gallium alloy to be deposited in hydrophilic film, until raw on A faces The metallic film non-porous into one layer；
After S330, question response, clean the indium gallium alloy on hydrophilic film A faces using clear water, obtain magnetic gold Belong to film.
Further, the current density for electrodeposit reaction being carried out in the S320 is 100-400A/m2。
Further, it is using alcohol that magnetic metal piece is clear after hydrophilic film is dissolved completely in the step S400 Wash clean.
Further, in the step S500, prepare magnetic matrix and specifically include following steps：
Magnetic metal piece, is lain in totally smooth conducting metal on piece by S510, and allows the B faces of magnetic metal piece with leading Electric metal piece contacts；
S520, be sequentially placed sealing ring and galvanic deposition cell on the A faces of magnetic metal piece, and to conductive metal sheet, magnetism Sheet metal, sealing ring and galvanic deposition cell are reinforced；
S530, copper sheet are connected as anode with the cathode of power supply, and nickel wire is placed in galvanic deposition cell as cathode and power supply Anode is connected；
S540, power on, and carries out electrodeposit reaction, and the non-porous metal membrane part in magnetic metal piece A faces is removed and is caused A, B two sides connection of magnetic metal piece, obtain the magnetic matrix of through hole.
Further, the current density for electrodeposit reaction being carried out in the S540 is less than 1000A/m2。
Further, in the step S300, electrolyte is the combination of nickel chloride and cobaltous sulfate or nickel sulfate.
Further, in the step S100, hydrophilic film includes nitrocellulose filter, cellulose acetate film and polyether sulfone Film.
The beneficial effects of the invention are as follows：Magnetic matrix surface prepared by the present invention has and abundant can produce high magnetic field gradients Nanostructured site, media interior have diameter in 300nm-5 μm of uniform channel, such structure energy collecting granularity as low as 40nm's Monodispersed sub-magnetic debris；The present invention is simple, of low cost with preparation method, and prepared magnetic matrix can effective collecting The reason for the characteristics of monodispersed weak magnetic nanoparticle, control current density is to burn film in order to prevent.
Brief description of the drawings
Fig. 1 is the surface topography map of magnetic matrix.
Embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and It is non-to be used to limit the scope of the present invention.
As shown in Figure 1, embodiment one：
It is a kind of to prepare the high gradient magnetic matrix of the weak magnetic nanoparticle of collecting using nitrocellulose filter as template Method, specifically includes following steps：
S100, prepare conductive film：Nitrocellulose filter is chosen as template, and is cut into a diameter of 200mm sizes, The indium gallium alloy of liquid is equably coated in one layer of conductive layer of formation, nitrocellulose filter on a surface of nitrocellulose filter The surface for scribbling indium gallium alloy is denoted as A faces, and the one side for not smearing indium gallium alloy on nitrocellulose filter is denoted as B faces；
S200, assembling electric deposition device：The obtained conductive films of step S100 are laid in clean smooth conducting metal On piece, and make that nitrocellulose filter scribbles the one side of indium gallium alloy and conductive metal sheet contacts well, in the B of nitrocellulose filter The galvanic deposition cell of sealing ring that internal diameter is about 190mm and through hole is sequentially placed on surface, and to conductive metal sheet, nitrocellulose Film, sealing ring and galvanic deposition cell are reinforced, and conductive metal sheet is connected as cathode with the anode of power supply, and nickel wire is placed on galvanic deposition cell It is middle to be connected as anode with the cathode of power supply；
S300, electrodeposit reaction growth porous metals：The cobaltous sulfate of configuration and nickel chloride electrolyte are added to step In the galvanic deposition cell for the electric deposition device that S200 is obtained, power on, be 150A/m in current density2In the range of to carry out electricity heavy Product reaction, allows indium gallium alloy to be deposited in nitrocellulose filter, obtains magnetic metallic film, wherein, the A faces of nitrocellulose filter On have one layer of non-porous metallic film, after reaction with clear water clean fall nitrocellulose filter A faces on indium gallium alloy, its In, the reason for being cleaned using clear water is：Wipe indium gallium alloy and carry out the nothing that electro-deposition removes the indium gallium alloy side again afterwards The film in hole；
S400, remove hydrophilic film：Magnetic metallic film will be obtained in step S300, and to be put into N,N-dimethylformamide molten Soaked in liquid, until nitrocellulose filter is dissolved completely, obtains magnetic metal piece, then cleaned magnetic metal piece with alcohol Totally, the organic solvent of dissolving hydrophilic film can so be washed；
S500, electrodeposit reaction remove non-porous metal film：The magnetic metal piece obtained in S400 is lain in clean smooth Conducting metal on piece, the B faces of magnetic metal piece contact with conductive metal sheet, are sequentially placed on the A faces of magnetic metal piece close Seal and galvanic deposition cell, and reinforced to conductive metal sheet, magnetic metal piece, sealing ring and galvanic deposition cell, copper sheet as anode and The cathode of power supply is connected, and nickel wire is placed in galvanic deposition cell to be connected as cathode with the anode of power supply, then powers on, in electric current Density is 500A/m2Under conditions of, the non-porous metal membrane part in magnetic metal piece A faces is removed into A, B so that magnetic metal piece Two sides connects, and obtains the magnetic matrix with good water-permeable and air permeable performance.
Embodiment two
It is a kind of to prepare the high gradient magnetic matrix of the weak magnetic nanoparticle of collecting using cellulose acetate film as template Method, specifically includes following steps：
S100, prepare conductive film：Cellulose acetate film is chosen as template, and is cut into a diameter of 15mm sizes, The indium gallium alloy of liquid is equably coated in one layer of conductive layer of formation, cellulose acetate film on a surface of cellulose acetate film The surface for scribbling indium gallium alloy is denoted as A faces, and the one side for not smearing indium gallium alloy in cellulose acetate film is denoted as B faces；
S200, assembling electric deposition device：The obtained conductive films of step S100 are laid in clean smooth conducting metal On piece, and make that cellulose acetate film scribbles the one side of indium gallium alloy and conductive metal sheet contacts well, in the B of cellulose acetate film The galvanic deposition cell of sealing ring that internal diameter is about 10mm and through hole is sequentially placed on surface, and to conductive metal sheet, cellulose acetate Film, sealing ring and galvanic deposition cell are reinforced, and conductive metal sheet is connected as cathode with the anode of power supply, and nickel wire is placed on galvanic deposition cell It is middle to be connected as anode with the cathode of power supply；
S300, electrodeposit reaction growth porous metals：The nickel sulfate of configuration and nickel chloride electrolyte are added to step In the galvanic deposition cell for the electric deposition device that S200 is obtained, power on, be 100A/m in current density2In the range of to carry out electricity heavy Product reaction, allows indium gallium alloy to be deposited in cellulose acetate film, obtains magnetic metallic film, wherein, the A faces of cellulose acetate film On have one layer of non-porous metallic film, after reaction with clear water clean fall cellulose acetate film A faces on indium gallium alloy；
S400, remove hydrophilic film：Magnetic metallic film will be obtained in step S300, and to be put into N,N-dimethylformamide molten Soaked in liquid, until cellulose acetate film is dissolved completely, obtains magnetic metal piece, then cleaned magnetic metal piece with alcohol Totally, the organic solvent of dissolving hydrophilic film can so be washed；
S500, electrodeposit reaction remove non-porous metal film：The magnetic metal piece obtained in S400 is lain in clean smooth Conducting metal on piece, the B faces of magnetic metal piece contact with conductive metal sheet, are sequentially placed on the A faces of magnetic metal piece close Seal and galvanic deposition cell, and reinforced to conductive metal sheet, magnetic metal piece, sealing ring and galvanic deposition cell, copper sheet as anode and The cathode of power supply is connected, and nickel wire is placed in galvanic deposition cell to be connected as cathode with the anode of power supply, then powers on, in electric current Density is 900A/m2Under conditions of, the non-porous metal membrane part in magnetic metal piece A faces is removed into A, B so that magnetic metal piece Two sides connects, and obtains the magnetic matrix with good water-permeable and air permeable performance.
Embodiment three
It is a kind of to prepare the method for the high gradient magnetic matrix of the weak magnetic nanoparticle of collecting using poly (ether sulfone) film as template, Specifically include following steps：
S100, prepare conductive film：Poly (ether sulfone) film is chosen as template, and is cut into a diameter of 110mm sizes, by liquid The indium gallium alloy of state is equably coated in one layer of conductive layer of formation, poly (ether sulfone) film on a surface of poly (ether sulfone) film and scribbles indium gallium alloy Surface be denoted as A faces, the one side for not smearing indium gallium alloy on poly (ether sulfone) film is denoted as B faces；
S200, assembling electric deposition device：The obtained conductive films of step S100 are laid in clean smooth conducting metal On piece, and make that poly (ether sulfone) film scribbles the one side of indium gallium alloy and conductive metal sheet contacts well, on the B surface of poly (ether sulfone) film according to It is secondary place internal diameter be about 100mm sealing ring and through hole galvanic deposition cell, and to conductive metal sheet, poly (ether sulfone) film, sealing ring and Galvanic deposition cell is reinforced, and conductive metal sheet is connected as cathode with the anode of power supply, and nickel wire, which is placed in galvanic deposition cell, is used as anode It is connected with the cathode of power supply；
S300, electrodeposit reaction growth porous metals：The nickel sulfate of configuration and nickel chloride electrolyte are added to step In the galvanic deposition cell for the electric deposition device that S200 is obtained, power on, be 400A/m in current density2In the range of to carry out electricity heavy Product reaction, allows indium gallium alloy to be deposited in poly (ether sulfone) film, obtains magnetic metallic film, wherein, there is one layer on the A faces of poly (ether sulfone) film Non-porous metallic film, cleans the indium gallium alloy on poly (ether sulfone) film A faces with clear water after reaction；
S400, remove hydrophilic film：Magnetic metallic film will be obtained in step S300, and to be put into N,N-dimethylformamide molten Soaked in liquid, until poly (ether sulfone) film is dissolved completely, obtain magnetic metal piece, then cleaned magnetic metal piece with alcohol dry Only, the organic solvent of dissolving hydrophilic film can so be washed；
S500, electrodeposit reaction remove non-porous metal film：The magnetic metal piece obtained in S400 is lain in clean smooth Conducting metal on piece, the B faces of magnetic metal piece contact with conductive metal sheet, are sequentially placed on the A faces of magnetic metal piece close Seal and galvanic deposition cell, and reinforced to conductive metal sheet, magnetic metal piece, sealing ring and galvanic deposition cell, copper sheet as anode and The cathode of power supply is connected, and nickel wire is placed in galvanic deposition cell to be connected as cathode with the anode of power supply, then powers on, in electric current Density is 300A/m2Under conditions of, the non-porous metal membrane part in magnetic metal piece A faces is removed into A, B so that magnetic metal piece Two sides connects, and obtains the magnetic matrix with good water-permeable and air permeable performance.
Although the embodiment of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims (10)

  1. A kind of 1. preparation method of the high gradient magnetic matrix of the weak magnetic nanoparticle of collecting, it is characterised in that specifically include as Lower step：
    S100, using hydrophilic film as template, and a hydrophilic film wherein surface coat indium gallium alloy, obtain conductive thin Film；
    S200, utilize conductive film, conductive metal sheet, sealing ring, galvanic deposition cell and power supply assembling electric deposition device；
    S300, add electrolyte into the galvanic deposition cell of electric deposition device, powers on, and electrodeposit reaction is carried out, in film Deposit certain thickness magnetic metal simple substance or alloy；
    The film that deposited magnetic metal simple substance or alloy, be put into n,N-Dimethylformamide solution and soak by S400, until Hydrophilic film is dissolved completely, obtains magnetic metal piece；
    S500, using electrodeposit reaction removed the non-porous metal membrane part of magnetic metal on piece so that the two of magnetic metal piece Face connects, and obtains the magnetic matrix of through hole.
  2. 2. a kind of preparation method of the high gradient magnetic matrix of the weak magnetic nanoparticle of collecting according to claim 1, its It is characterized in that, in the step S100, prepares conductive film and specifically include following steps：
    S110, choose hydrophilic film as template, and is cut into a diameter of 10mm to 200mm size；
    The indium gallium alloy of liquid, is equably coated in one layer of conductive layer of formation on a surface of hydrophilic film, and parent by S120 The surface that water-based film scribbles indium gallium alloy is denoted as A faces, and the one side for not smearing indium gallium alloy on hydrophilic film is denoted as B faces, obtains To conductive film.
  3. 3. a kind of preparation method of the high gradient magnetic matrix of the weak magnetic nanoparticle of collecting according to claim 2, its It is characterized in that, in the step S200, assembling electric deposition device specifically includes following steps：
    Conductive film, is laid in totally smooth conducting metal on piece by S210, and makes the one side and conduction for scribbling indium gallium alloy Sheet metal contact is good；
    S220, the electricity for being sequentially placed on the B surface of hydrophilic film sealing ring and through hole that internal diameter is slightly less than film diameter sink Product groove, and conductive metal sheet, conductive film, sealing ring and galvanic deposition cell are reinforced；
    S230, conductive metal sheet are connected as cathode with the anode of power supply, and nickel wire is placed in galvanic deposition cell as anode and electricity The cathode in source is connected, and obtains electric deposition device.
  4. 4. a kind of preparation method of the high gradient magnetic matrix of the weak magnetic nanoparticle of collecting according to claim 3, its It is characterized in that, in the step S300, prepares magnetic metallic film and specifically include following steps：
    The electrolyte of configuration, be added in the galvanic deposition cell of electric deposition device by S310；
    S320, power on, and carries out electrodeposit reaction, allows indium gallium alloy to be deposited in hydrophilic film, until generating one on A faces The non-porous metallic film of layer；
    After S330, question response, clean the indium gallium alloy on hydrophilic film A faces using clear water, obtain deposited magnetism The film of metal simple-substance or alloy.
  5. 5. a kind of preparation method of the high gradient magnetic matrix of the weak magnetic nanoparticle of collecting according to claim 4, its It is characterized in that, the current density that electrodeposit reaction is carried out in the S320 is 100-400A/m2。
  6. 6. a kind of preparation method of the high gradient magnetic matrix of the weak magnetic nanoparticle of collecting according to claim 5, its It is characterized in that, in the step S400, after hydrophilic film is dissolved completely, magnetic metal piece is cleaned using alcohol and is done Only.
  7. 7. a kind of preparation method of the high gradient magnetic matrix of the weak magnetic nanoparticle of collecting according to claim 6, its It is characterized in that, in the step S500, prepares magnetic matrix and specifically include following steps：.
    S510, by magnetic metal piece lie in clean smooth conducting metal on piece, and allow magnetic metal piece B faces and conductive gold Belong to piece contact；
    S520, be sequentially placed sealing ring and galvanic deposition cell on the A faces of magnetic metal piece, and to conductive metal sheet, magnetic metal Piece, sealing ring and galvanic deposition cell are reinforced；
    S530, copper sheet are connected as anode with the cathode of power supply, and nickel wire is placed in galvanic deposition cell the anode as cathode and power supply It is connected；
    S540, power on, and carries out electrodeposit reaction, the non-porous metal membrane part in magnetic metal piece A faces is removed so that magnetism A, B two sides connection of sheet metal, obtain the magnetic matrix of through hole.
  8. 8. a kind of preparation method of the high gradient magnetic matrix of the weak magnetic nanoparticle of collecting according to claim 7, its It is characterized in that, the current density that electrodeposit reaction is carried out in the S540 is less than 1000A/m2。
  9. 9. according to a kind of preparation of the high gradient magnetic matrix of the weak magnetic nanoparticle of collecting of claim 1-8 any one of them Method, it is characterised in that in the step S300, electrolyte is the combination of nickel chloride and cobaltous sulfate or nickel sulfate.
  10. 10. according to a kind of system of the high gradient magnetic matrix of the weak magnetic nanoparticle of collecting of claim 1-8 any one of them Preparation Method, it is characterised in that in the step S100, hydrophilic film includes nitrocellulose filter, cellulose acetate film and gathers Ether sulfone film.
CN201711268506.0A 2017-12-05 2017-12-05 A kind of preparation method of the high gradient magnetic matrix of the weak magnetic nanoparticle of collecting Pending CN108010719A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101479590A (en) * 2006-06-28 2009-07-08 皇家飞利浦电子股份有限公司 A magnetic sensor device for and a method of sensing magnetic particles
CN103806040A (en) * 2013-11-08 2014-05-21 西安交通大学 Electrochemical synthesis method of nickel-phosphorus alloy nanotube array

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101479590A (en) * 2006-06-28 2009-07-08 皇家飞利浦电子股份有限公司 A magnetic sensor device for and a method of sensing magnetic particles
CN103806040A (en) * 2013-11-08 2014-05-21 西安交通大学 Electrochemical synthesis method of nickel-phosphorus alloy nanotube array

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