CN107043700A - A kind of magnetic control system for genetic test - Google Patents

A kind of magnetic control system for genetic test Download PDF

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Publication number
CN107043700A
CN107043700A CN201710428548.XA CN201710428548A CN107043700A CN 107043700 A CN107043700 A CN 107043700A CN 201710428548 A CN201710428548 A CN 201710428548A CN 107043700 A CN107043700 A CN 107043700A
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China
Prior art keywords
array
magnet coil
control system
genetic test
dragging
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CN201710428548.XA
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CN107043700B (en
Inventor
郑祥钊
梅文斌
吴庆丰
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HANGZHOU SUIZHEN BIOLOGICAL TECHNOLOGY CO LTD
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HANGZHOU SUIZHEN BIOLOGICAL TECHNOLOGY CO LTD
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L7/00Heating or cooling apparatus; Heat insulating devices
    • B01L7/52Heating or cooling apparatus; Heat insulating devices with provision for submitting samples to a predetermined sequence of different temperatures, e.g. for treating nucleic acid samples
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2400/00Moving or stopping fluids
    • B01L2400/04Moving fluids with specific forces or mechanical means
    • B01L2400/0403Moving fluids with specific forces or mechanical means specific forces
    • B01L2400/043Moving fluids with specific forces or mechanical means specific forces magnetic forces

Abstract

The invention discloses a kind of magnetic control system for genetic test, including mixing array (101) and dragging array (102) by being arranged towards identical magnet coil;The magnet coil (1) mixed in array (101) is arranged in a ring;Magnet coil (1) in the dragging array (102) is arranged in a linear, and the magnet coil on dragging array (102) top is connected with mixing array (101).The present invention is a kind of magnetic control system easy to control, can be used for the integration detection of gene.

Description

A kind of magnetic control system for genetic test
Technical field
The present invention relates to a kind of magnetic control system for genetic test, belong to technical field of medical detection.
Background technology
Genetic test is the technology detected by blood, other body fluid or cell to DNA, is to take detected person to come off Oral Mucosal Cells or other histocytes, expand after its gene information, by particular device in detected person's cell DNA molecular information detects that the risk that precognition body is suffered from the disease analyzes the various genetic profiles contained by it, so that people The gene information of oneself is will appreciate that, so that living environment and habits and customs by improving oneself, it is to avoid or delay the hair of disease It is raw.
Genetic test can diagnose the illness, and can be used for the prediction of disease risks.Medical diagnosis on disease is to use genetic test skill Art detects the mutator for causing genetic disease.Current most widely used genetic test is the inspection of neonate's genetic disease The auxiliary diagnosis of survey, the diagnosis of genetic disease and some common diseases.There is more than 1000 kinds of genetic disease can be by gene at present Detection technique makes diagnosis.
Usually used sample is biological tissue cell during due to genetic test, therefore needs to enter cell during detection gene After the steps such as row cracking, cleaning, amplification, the mode of optical detection is recycled to go to detect gene.Due to being related to not in each step Same processing, usual sample is needed to carry out the processing of different step respectively by multiple equipment, and detection is more bothered, and is being entered During row different step, transfer sample is also needed to sometimes to different carriers, and this process is readily incorporated pollution, influence detection essence Degree.Therefore, it is possible to which each step of genetic test is completed in same kit, become the main development studied now Direction.At the same time, it is a kind of also necessarily to have corresponding demand to the equipment that kit carries out integrated treatment, and this kind is set Standby research emphasis, is how in the case where not contacting sample, and mobile sample enters different detecting steps.
The content of the invention
It is an object of the present invention to provide a kind of magnetic control system for genetic test.It is a kind of magnetic easy to control Control system, can be used for the integration detection of gene.
Technical scheme:A kind of magnetic control system for genetic test, is characterized in:Including by towards identical The mixing array and dragging array of magnet coil arrangement;Magnet coil in the mixing array is arranged in a ring;It is described Magnet coil in dragging array is arranged in a linear, and the magnet coil on dragging array top is connected with mixing array.
In the above-mentioned magnetic control system for genetic test, preferably, the magnet coil of the dragging array is divided into a left side The right side two is arranged, wherein any one magnet coil of a row is just between two adjacent electromagnetic coils of another row.
Be previously described in the magnetic control system of genetic test, it is described mix array in each magnet coil along clockwise or Counterclockwise it is sequentially completed make and break process, and repeatedly circulation.
It is previously described in the magnetic control system of genetic test, each magnet coil in the dragging array is mixing array Complete after work, make and break process is sequentially completed from one end close to mixing array to the other end.
It is previously described in the magnetic control system of genetic test, each magnet coil in the dragging array is mixing array Complete work after, from close to mix array one end to the other end by it is two neighboring be one group in the way of, be sequentially completed break-make mistake Journey.
It is previously described in the magnetic control system of genetic test, described each magnet coil stated in dragging array is mixing battle array Row complete work after, from close to mix array one end to the other end by it is two neighboring or three be one group in the way of, it is complete successively Into make and break process;The magnet coil of each of which group includes most connecing with it in a magnet coil and another row in wherein one row One or two near magnet coil.
It is previously described in the magnetic control system of genetic test, in the mixing array, the magnetic core of magnet coil is by 3 0.65mm*4mm*60mm silicon steel sheet close-packed arrays are formed, and enamel-covered wire that 6 layer line footpaths are 0.25mm is full of outside magnetic core (about 1200 binding circles);The dragging array magnetic core is formed by 3 0.65mm*6mm*60mm silicon steel sheet close-packed arrays;Outside magnetic core It is full of the enamel-covered wire (about 1200 binding circle) that 6 layer line footpaths are 0.25mm.
Logical 15V electricity measures its magnetic field intensity with gaussmeter and mixes array about 2000Gs, dragging array about 2200Gs.Electromagnetic wire Dragging effect when circle remote is from magnetic bead 1.3mm is also not in magnet coil overheat condition preferably.
It is previously described in the magnetic control system of genetic test, the magnet coil break-make interval mixed in array is adjustable, control In 15ms to 500ms.
It is previously described in the magnetic control system of genetic test, mixes the magnet coil break-make Separation control in array in 35ms To 65ms, Blending Efficiency of Blending is optimal.
Compared with prior art, the present invention utilizes the arrangement of magnet coil, and formation can produce dynamic magnetic field permutation, and then Using high-speed circulating movement and low speed dragging is carried out to magnetic carrier, when for gene detecting kit, you can utilize magnetic Property carrier high-speed circulating movement, be sample is carried out in lysate sufficiently mix cracking, recycle low speed drag make magnetic Carrier drives sample to carry out multiple working procedure processing respectively into different regions, so that gene integration detection referred to as may.
In addition, the present invention combines the control of its break-make using the arrangement mode of magnet coil, efficiently magnetic can be carried Body carries out mixing campaign, reaches optimal lytic effect, while can also slowly drive magnetic carrier to be moved in kit, can It is passed through narrow and small hole, be not easily blocked.
Brief description of the drawings
Fig. 1 is the single electromagnetic coil array structural representation of the present invention;
Fig. 2 is the double electromagnetic coil array structural representation of the present invention.
Mark in accompanying drawing for:1- magnet coils, 101- mixes array, 102- dragging arrays.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to According to.
Embodiment 1.A kind of magnetic control system for genetic test, as shown in Figure 1:Including by towards identical magnet coil The mixing array 101 and dragging array 102 of arrangement;The magnet coil 1 mixed in array 101 is arranged in a ring;Institute The magnet coil 1 stated in dragging array 102 is arranged in a linear, and the magnet coil and mixing array 101 on dragging array 102 top It is connected.
Described each magnet coil 1 mixed in array 101 is sequentially completed make and break process clockwise or counterclockwise, And repeatedly circulation.Or described each magnet coil 1 mixed in array 101 is sequentially completed make and break process according to the figure of eight, and it is many Secondary circulation, more preferably, experiment shows that its lysis efficiency when being cracked for sample is higher to Blending Efficiency of Blending.
Each magnet coil 1 in the dragging array 102, can be according to single after the completion work of array 101 is mixed Break-make mode is run, and such as A starts;Then A stops, and B starts;Then B stops, and C starts;Then C stops, by that analogy.
Can also be in the way of 2 one group of position control, such as AB starts simultaneously, and then AB stops, and BC starts;By that analogy. Can also A start after a period of time B and start, AB, which is also turned on A after a period of time, to be stopped;B is individually turned on, and C is opened after a period of time Dynamic, BC is also turned on a period of time, and B shut-offs, by that analogy, experiment prove that this mode is more suitable when dragging nanometer magnetic bead Freely, the success rate of dragging magnetic bead is more than 95%.
Embodiment 2.A kind of magnetic control system for genetic test, as shown in Figure 2:Including by towards identical magnet coil The mixing array 101 and dragging array 102 of arrangement;The magnet coil 1 mixed in array 101 is arranged in a ring;Institute The magnet coil 1 stated in dragging array 102 is arranged in a linear, and the magnet coil and mixing array 101 on dragging array 102 top It is connected.1 point of the magnet coil of the dragging array 102 arranges for left and right two, wherein any one magnet coil 1 of a row is just to another Between two adjacent electromagnetic coils 1 of one row.
Described each magnet coil 1 mixed in array 101 is sequentially completed make and break process clockwise or counterclockwise, And repeatedly circulation.Or described each magnet coil 1 mixed in array 101 is sequentially completed make and break process according to the figure of eight, and it is many Secondary circulation, more preferably, experiment shows that its lysis efficiency when being cracked for sample is higher to Blending Efficiency of Blending.
Described each magnet coil 1 stated in dragging array 102, can be by 2 positions after the completion work of array 101 is mixed The mode of one group of control, such as AB start simultaneously, and then AB stops, and BC starts;By that analogy.
Can also be in the way of 3 one group of position control, such as ABC starts simultaneously;Then ABC stops, and BCD starts;Then BCD Stop, CDE starts, by that analogy.
The present invention, can be mixed by magnetic control mode in use, apply in the integrated detection equipment of integrated kit Sample in even kit, and drive sample in kit into the different zones of kit, to carry out different detection processes.

Claims (9)

1. a kind of magnetic control system for genetic test, it is characterised in that:Including by being formed towards the arrangement of identical magnet coil Mixing array (101) and dragging array (102);The magnet coil (1) mixed in array (101) is arranged in a ring;Institute The magnet coil (1) stated in dragging array (102) is arranged in a linear, and magnet coil and the mixing on dragging array (102) top Array (101) is connected.
2. the magnetic control system according to claim 1 for genetic test, it is characterised in that:The dragging array (102) Magnet coil (1) be divided into two row of left and right, wherein two adjacent electricity of any one magnet coil (1) just to another row of a row Between magnetic coil (1).
3. the magnetic control system according to claim 1 for genetic test, it is characterised in that:The mixing array (101) In each magnet coil (1) be sequentially completed make and break process clockwise or counterclockwise, and repeatedly circulation.
4. the magnetic control system according to claim 1 for genetic test, it is characterised in that:The dragging array (102) In each magnet coil (1) mixing after array (101) completes work, from close to mixing one end of array (101) to another End is sequentially completed make and break process.
5. the magnetic control system according to claim 1 for genetic test, it is characterised in that:The dragging array (102) In each magnet coil (1) mixing after array (101) completes work, from close to mixing one end of array (101) to another End by it is two neighboring be one group in the way of, be sequentially completed make and break process.
6. the magnetic control system according to claim 2 for genetic test, it is characterised in that:It is described to state dragging array (102) each magnet coil (1) in is being mixed after array (101) completes work, from close to mix one end of array (101) to The other end by it is two neighboring or three be one group in the way of, be sequentially completed make and break process;Magnet coil (1) bag of each of which group Include wherein one row in a magnet coil (1) and another row in its one or two immediate magnet coil (1).
7. the magnetic control system according to claim 1 for genetic test, it is characterised in that:The mixing array (102) In, the magnetic core of magnet coil (1) is formed by 3 0.65mm*4mm*60mm silicon steel sheet close-packed arrays, and 6 layers are full of outside magnetic core Line footpath is 0.25mm enamel-covered wire;Dragging array (102) magnetic core is closely arranged by 3 0.65mm*6mm*60mm silicon steel sheet Row are formed;The enamel-covered wire that 6 layer line footpaths are 0.25mm is full of outside magnetic core.
8. the magnetic control system according to claim 7 for genetic test, it is characterised in that:Mix in array (101) Magnet coil break-make interval is adjustable, controls in 15ms to 500ms.
9. the magnetic control system according to claim 8 for genetic test, it is characterised in that:Mix in array (101) Magnet coil break-make Separation control is in 35ms to 65ms.
CN201710428548.XA 2017-06-08 2017-06-08 Control method of magnetic control system for gene detection Active CN107043700B (en)

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CN105441321A (en) * 2015-12-11 2016-03-30 杭州优思达生物技术有限公司 Automatic integrated nucleic acid analyzer
CN106329677A (en) * 2015-06-23 2017-01-11 刘跃进 Switch array-type position induction focusing technology for wirelessly charging electric vehicle
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0647020A (en) * 1991-11-26 1994-02-22 Hitachi Ltd Probe for nuclear magnetic resonance system
JPH10295662A (en) * 1997-04-24 1998-11-10 Toshiba Corp Organism magnetic field measuring device
JP2000263836A (en) * 1999-03-19 2000-09-26 Ricoh Co Ltd Magnetic micro head array
US20020013526A1 (en) * 1999-09-30 2002-01-31 Toshiba America Mri, Inc. Inherently de-coupled sandwiched solenoidal array coil
US6636757B1 (en) * 2001-06-04 2003-10-21 Surgical Navigation Technologies, Inc. Method and apparatus for electromagnetic navigation of a surgical probe near a metal object
US20050007228A1 (en) * 2002-09-26 2005-01-13 Wright Andrew M. High intensity radial field magnetic array and actuator
US20050284817A1 (en) * 2003-03-08 2005-12-29 Victor Fernandez Magnetic bead manipulation and transport device
US20050200213A1 (en) * 2004-03-12 2005-09-15 Kesatoshi Takeuchi Motor and drive control system thereof
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CN104007180A (en) * 2014-05-20 2014-08-27 北京工业大学 Torsional mode magnetostriction sensor array
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