CN107282151A - Ten Five-channel micro flow control chip devices of common tumor markers examination - Google Patents

Abstract

The present invention relates to a kind of ten Five-channel micro flow control chip devices of common tumor markers examination, belong to analysis testing field.PDMS is substrate of the dimethyl silicone polymer as being used for making the kind tumor markers joint-detection micro-fluidic chip of general type more than ten, advantageous, also there is problem；This case is directed to the problem.This case main points are, the selected PDMS with ecosystem surface of substrate, and the elastic clip of miniature ultrasonic transducer units will be attached on its clamping limb with elastic force snap-in location in its neighbor positions of the test liquid stream terminal of the micro-fluidic chip, simultaneously, ultrasonic wave damper is installed at the sample introduction end of the micro-fluidic chip, reach ultrasonic intensity rapid decrement in short distance, so as to form interfacial tension difference at the two ends of the chip, difference offer is a kind of to drive the strength that test liquid stream flows along hydrophobic capillary channel to the terminal direction, the strength while with Micropump its mechanicalness pumping strength Collaboration for being included in structure.

Description

Ten Five-channel micro flow control chip devices of common tumor markers examination

Technical field

The present invention relates to a kind of ten Five-channel micro flow control chip devices of common tumor markers examination, belong to analysis test neck Domain.

Background technology

Tumor markers (tumor marker, TM) refers in the generation and breeding of tumour, is produced in itself by tumour cell Raw either reacted by body tumour cell and produce, reflection tumour exist and growth a class material, including protein, Hormone, enzyme (isodynamic enzyme) and oncoprotein etc..The tumor markers in blood samples of patients or body fluid is chemically examined, can be in cancer screening Early detection tumour, and observe the curative effect of oncotherapy and judge patient's prognosis.The tumor markers clinically commonly used at present has： (1) alpha-fetoprotein (AFP) is the mark of the tumours such as primary carcinoma of liver, carcinoma of testis, oophoroma；(2) carcinomebryonic antigen (CEA) is digestion The mark of the tumours such as system tumor, lung cancer, breast cancer；(3) CA125 (CA125) is the mark of the tumours such as oophoroma； (4) CA153 (CA153) is the mark of the tumours such as breast cancer；(5) CA19-9 (CA19-9) is digestive system tumor Mark；(6) CA724 (CA724) is the mark of the tumours such as stomach cancer, oophoroma；(7) carbohydrate antigen 242 (CA242) For the mark of digestive system tumor；(8) CA50 (CA50) is the mark of the tumours such as digestive system tumor, breast cancer, lung cancer Thing；(9) CYFRA21-1 (Cy211) is the mark of the tumours such as non-small cell lung cancer；(10) neuronspecific enolase (NSE) For the mark of the tumours such as ED-SCLC, neuroendocrine tumor；(11) PSA (PSA) is prostate cancer Tumor markers；(12) human chorionic gonadotrophin (HCG) is that embryonic cell carcinoma, trophoblastic tumor (suede cancer, vesicular mole) etc. are swollen The mark of knurl；(13) thyroglobulin (TG) is the mark of thyroid cancer；(14) ferritin (SF) is digestive system tumor, liver The mark of the tumours such as cancer, breast cancer, lung cancer；(15) B2M (β 2-MG) is in chronic lymphocytic leukemia, lymph Raised in the patient body fluids such as knurl, myeloma, lung cancer, thyroid cancer, nasopharyngeal carcinoma；(16) squamous cell antigen (SCC) be cervical carcinoma, The tumor markerses such as lung squamous cancer, the cancer of the esophagus.The tumor markers overwhelming majority clinically detected at present is not only present in malignant tumour In, exist in benign tumour, embryonic tissue, even in normal structure.Therefore, tumor markers has dynamic chek and multinomial Joint inspection is more valuable.So for numerous tumor markerses, clinically how to selectDifferent tumours understands some phases To special tumor markers, such as CA153 often appears in breast cancer；CEA often appears in intestinal cancer, stomach cancer；CA19-9 is often appeared in Intestinal cancer, cancer of pancreas；CA125 often appears in oophoroma etc..Clinician can be according to the different mark of different tumor examinations. Same tumour or different types of tumour can have one or more of tumor markerses abnormal；Same tumor markers can be in difference Tumour in occur.To improve the additive diagnostic value of tumor markers and determining which kind of mark can be supervised as the follow-up after treatment Index is surveyed, tumor markers joint-detection, the complementary tumor markers group of several sensitivity of reasonable selection, specific performance can be carried out Into best of breed, joint-detection is carried out.In general the joint-detection of tumor markers can improve the accuracy to diagnosing tumor.

Only with regard to Diagnostic Value of Several Serum Tumor Markers its joint-detection background of related itself general picture or overview for, may refer to Lower Chinese invention patent application case：CN200410041175.3、CN200510026780.8、CN200610040051.2、 CN200910064647.X。

Only for the microfluidic chip technology overall general picture of itself, famous micro-fluidic expert Mr. Lin Ping Cheng may refer to soon Before the monograph " diagram Microfluid based Lab on a chip " that goes out, the monograph is published via Science Press, and the monograph is for micro-fluidic Past of technology, now, and, in terms of vision of the future etc., suffer from detail, be deep into long discussion of detail.

So, the focal issue that this case that to have a talk below is paid special attention to.

The basic framework of micro-fluidic chip, including it is etched with the substrate of small fluid course and the cover plate fit together therewith, Small fluid course on the substrate, assembling upper cover plate before, it is apparent on see to be exactly some micro-channels, wait until thereon After covering cover plate, just real closure forms the small fluid course, and the conduit inner surface of the micro-channel is together with surround this The part cover plate of micro-channel constitutes described small fluid course together；So, it is clear that this after assembling is completed is small Fluid course, the major part of its inner surface area is the inner surface area of that micro-channel, in other words, in the micro-channel The state or property on surface substantially determine the integrality or property of the small fluid course；Therefore say, this is built in base The inner surface state or inner surface property of micro-channel on piece are key factors；In principle, it is any to keep or protecting substantially The material of its solid forms is held, can be used to make substrate and cover plate, such as, the material that can act as substrate and cover plate can be with It is monocrystalline silicon piece, quartz plate, sheet glass, high polymer such as dimethyl silicone polymer, polymethyl methacrylate, makrolon etc. Deng；Certainly, the selection of substrate and the selection of cover plate be able to can also be differed with identical；From material consumption, manufacture difficulty and From the point of view of in terms of application popularization prospect etc., between these materials exist not small difference, the especially selection of that substrate, influence compared with Greatly.

In various substrate making materials, dimethyl silicone polymer, i.e. PDMS, comparatively very easily shaping, so Substrate on make that micro-channel is extremely simple, and the lower cost for material makes substrate with the polydimethyl siloxane material, Micro-channel is being suppressed or etched thereon, and is being engaged with the cover plate that the cheap material such as glass or polypropylene or other plastic sheets makes, It is a kind of more satisfactory selection seemingly；Certainly, patch material can also select to use cheap polydimethyl siloxane material： So, this substrate selection is the scheme of polydimethyl siloxane material, and material is extremely cheap, makes extremely simple, seems and should also be as It is extremely easy to popularize, promotes.

But, thing is really not so simple.

First, this polydimethyl siloxane material, that is, the material that the letter PDMS that abridges is referred to, itself are a kind of strong Hydrophobic material, micro-channel is built on this material, if without being operated for the modified of the micro-channel surface, then, After overall assembling is completed, that is, cover after cover plate, because the micro-channel its inner surface in structure occupies most liquid circulation The inner surface in road, then, its strong hydrophobic property of the PDMS micro-channels inner surface, is deciding factor, it can cause class Be similar to the aqueous solution the fine liquid stream of polar liquid by becoming very difficult, its flow resistance is big, or even general Micropump is all It is difficult to promote, certainly, if cover plate also selects to use the PDMS material, then, problem is substantially identical, similar； Therefore, among prior art, modification is modified particular for the micro-channel inner surface on the PDMS material, is necessary Operation；So, this is pretty troublesome for the modified operation of PDMS micro-channel inner surfacesThat falls nor this problem, structure Perplex into serious technical, be another problem：PDMS polymer molecules tool inside its body phase of this PDMS material substrate There are PDMS polymer molecules inside the characteristic for diffusing to the surface, migrating automatically, this substrate body phase to diffuse to the surface, move automatically The characteristic of shifting, will cause the state after modification by its inner surface of that micro-channel of surface modifying and decorating can not maintain foot Enough long time, the holding time for micro-channel its inner surface state after that is surface-modified is substantially only sufficient to complete in laboratory The time of portion's test experiments needs；In other words, by surface modification or the PDMS micro-channel inner surfaces of surface modification, its The surface state that is formed can not be lasting after modification or after saying modification, but soon automatically tend to or say and become surface again and change Surface state before property, returns to the strong hydrophobic surface state of that script in the shorter time, then, just think, Such micro-fluidic chip can largely make, mass storage, be widely popularized, and answer is it is obvious that is, impossible. Micro-channel on this PDMS material, can not pump similar to the fine liquid stream of polar solvent of the aqueous solution if not doing surface modification Send and pass through, chip also cannot just be used；And if having done surface modification, the state after its modification can not be persistently kept again, also Being equally can not popularization and application.

So, how to accomplish that substrate can either be made using cheap PDMS material, and table in the micro-channel can be released Face decorating state can not persistently, chip can not largely make, largely lay in so that be widely popularized it is such a make this area it is numerous specially The puzzlement that industry personnel are entangled with for a long time, the highly difficult problem that exactly one its obvious technology barrier can not despise.

Be present many year in the highly difficult problem, so far, not yet properly settled.

Second, the PDMS material of non-surface modification, above it is stated that, its surface is strongly hydrophobic, this strong hydrophobic Material surface and also another problem, that is, this strong hydrophobic PDMS surfaces can adsorb large biological molecule, and And, these adsorbed large biological molecules can also further depression further on PDMS surfaces, gradually fall into gradually deep, directly It is trapped in heavy within the body phase of PDMS substrates, in fact, this process is partly also due to inside PDMS material body phase Polymer molecule, which has, to be diffused to the surface, caused by travel motion；Such case, can also be explained from another angle, i.e. Continuously from inside PDMS body phases to its diffusion into the surface, migration those polymer molecules, its result moved, be by Gradually those are involved within the body phase of PDMS substrates by the large biological molecule of adsorption, briefly, these are inhaled Attached large biological molecule is exactly to be swallowed up by PDMS substrate body phases；So, this PDMS substrates body phase swallows up large biological molecule Phenomenon, the influence caused by it necessarily causes the severe deviations of all kinds of test data of experiment for being related to large biological molecule.

As described above, be the problem of PDMS substrates, its not only adsorption large biological molecule, and swallow up large biological molecule, So, as the large biological molecule of experiment test object, its disappearance will not stop because the absorption of surface saturation, but, no It is disconnected adsorbed, also constantly swallowed up.

On PDMS substrates in related experiment test process its body phase constantly swallow up test associated biomolecule macromolecular phenomenon, separately It is to say that one kind, which is explained, there are substantial amounts of Minute pores in PDMS body phases, and associated biomolecule macromolecular is by after adsorption, depression Into these Minute pores, and then swallowed up；However, inventor thinks, those can allow the air point of miniature scale Son squeezes into the Minute pores therebetween, and being not equal to them also can directly allow that the large biological molecule of relative large scale enters, and two Person's difference on yardstick is huge, must not make sweeping generalizations.Explanation is bypassed, in any case, the biology of object is analyzed as dependence test Macromolecular is adsorbed by PDMS substrate micro-channels inner surface, and then is constantly swallowed up by PDMS substrate body phases, and this is known objective The phenomenon of presence.

, can be from containment PDMS surfaces to life in order to prevent this PDMS substrate bodies relative to the effect of swallowing up of large biological molecule The absorption of thing macromolecular is addressed, and method is chemically modified modification aiming at the PDMS material surface, for For PDMS is the situation of substrate material, modification exactly is chemically modified to the surface of described micro-channel part, by changing The micro-channel inner surface of modification is learned, its absorption to large biological molecule can be contained, and then avoid large biological molecule quilt PDMS substrate body phases are swallowed up；But, or that old problem, that is, the chemical modification on PDMS material surface changes Surface state after property can not persistently be kept, the polymer molecule inside the PDMS substrate body phases its diffuse to the surface automatically, The process of migration, soon can become that micro-channel inner surface state being modified by surface chemical modification again script strong and dredge Water and the state of strong adsorption large biological molecule, in other words, no matter how professionals in the field turn from side to side, the PDMS Its micro-channel inner surface of substrate is always rapidly to strong hydrophobic surface state evolution.

So, how can either obtain that PDMS material price is extremely cheap, substrate makes extremely easy benefit, can reach again Growth stage contains absorption process of the PDMS substrate micro-channel inner surfaces to large biological molecule, and then prevents PDMS substrate body phases The effect of swallowing up to large biological molecule so that related chip manufactured goods are able to maintain that a prolonged enough, rational shelf-life, It is exactly a very intractable problem.The problem makes the numerous specialties in this area as another problem addressed above, equally Personnel are entangled with, perplexed for a long time, and the problem is equally the highly difficult problem that its obvious technology barrier can not despise.The hardly possible Also be present many year in topic, so far, also not yet properly settled.

Third, as described above, the PDMS micro-channel inner surfaces are strongly hydrophobic, and targetedly surface chemical modification or come to the surface Learn modification to be difficult to again persistently, therefore, actually can only still belong to effective short in the surface state after the modification of its surface or surface modification It is used within phase；If have passed through that ofer short duration period of validity, and still by force if use, due to surface shape State already again close to hydrophobic state, is then certainly existed than larger flow resistance using usual Micropump driving test liquid stream, So, just test liquid can only be forced to flow to target direction flowing by increasing Micropump pump power and pumping pressure, as described above, This PDMS material is soft, pumps test liquid stream with too high, machinery pumping pressure, causing the substrate, it enters Bubbling, expanded, distortion, deformation, also, this high-pressure situations occur for the micro-channel that sample end includes sample introduction end near zone Under, also easily occur the stripping between substrate and cover plate, this feelings in the sample introduction end and its micro-channel of near zone and its periphery Under shape, sample solution flows in the crack of the appearance between the substrate and cover plate that are formed after the entrance stripping everywhere, this reality Border causes the damage of the micro-fluidic chip；Certainly, it is not in place if surface modification or surface modification script, also result in There is said circumstances within the of short duration usual term of validity；It is above-mentioned in the case where carrying out liquid stream driving using additional Micropump merely The problem exists all the time.If be modified or the pre action such as surface modification as described above, not doing any surface completely, So, the above-mentioned problem will be even more serious, even without occur micro-channel bubbling described in sample introduction end and its near zone, it is expanded, Between distortion, deformation and substrate and cover plate the problems such as peel off, merely because the flow resistance is excessive, using high pressure Micropump also not Test liquid stream must can be driven to be marched forward towards terminal side.

The content of the invention

The technical problems to be solved by the invention are to provide a package solution, while solving three addressed above The a series of problem actually mutually involved together of aspect, also, the solution is a kind of new applied to building Crowd's physical examination is blanket can be for ten kinds than more typical primary tumor mark progress examination simultaneously, while detection is micro- Fluidic chip device.

The present invention solves the technical problem by following scheme, and the device that the program is provided is a kind of common tumor markers sieve The ten Five-channel micro flow control chip devices looked into, program main points are that the structure of the device includes micro-fluidic chip, and this is micro-fluidic The structure of chip includes installing substrate and cover plate together bonded to each other, and the substrate and cover plate are plate object or tablet, Contain the channel structure via mould pressing process or etching technics formation, installation bonded to each other in that face towards the cover plate of the substrate The substrate together has been built into the micro-fluidic chip containing pipeline configuration jointly with the cover plate, and the locations of structures of the pipeline is located at The substrate and cover plate juncture area bonded to each other, the two ends of the pipeline respectively with the sample introduction end of the micro-fluidic chip and terminal Connection, the sample introduction end is the injection end of the micro-fluidic chip sample solution, when the terminal is that the actual sample introduction of the micro-fluidic chip is tested The terminal that sample solution flows in its chip, the terminal is located remotely from each other with the sample introduction end, the distance between the terminal and the sample introduction end Between 3 centimetres and 10 centimetres, in the pipeline on diverse location in order or backward is equiped with working electrode and to electricity Pole and reference electrode, the order refer to its locations of structures of the reference electrode closer to the terminal location, the backward The reference electrode locations of structures is referred to closer to the sample introduction end position, the working electrode is by conductive electrode and attaching The gold size sensitive membrane for having embedded tumor markers antibody on the conductive electrode is constituted, and structure in parallel is presented in the construction of the pipeline Make, the pipeline in parallel construction is made up of 15 lateral parallel connections, the pipeline that parallel construction is presented is outside it Shape profile is similar to the profile of parallel circuit, and the quantity of the working electrode is 15, the installing position of 15 working electrodes Put and be located at respectively in 15 laterals, and, it is swollen in the sensitive membrane structure of its top layer gold size of 15 working electrodes Tumor markers antibody is the 15 kinds of tumor markers antibody materials that can be specifically bound to tumor markers antigen respectively, and this 15 Kind of antibody materials be respectively tumor markers antibody A FP, CEA, CA242, CA125, CA199, CA153, CA724, CA50, NSE, CYFRA21-1, FPSA, TPSA, β-hCG, SCCA and β 2-MG, the antigen is the antigen of broad sense, described Antibody is the antibody of broad sense, and its material of the working electrode is that argent material, gold material, carbon material or thermal decomposition are conductive Column, sheet or thread is presented in macromolecule material, its pattern of the working electrode, and its material of the substrate is dimethyl silicone polymer Material, its surface of the substrate is the surface of primary form, the surface of the primary form its be intended to refer to not pass through any surface The surface of the primary form of the material of chemical modification or any surface chemical modification, the structure of the device also includes elastic clip, should Two opposite clamping limb snap-in locations of elastic clip are in the position of the neighbouring terminal of the micro-fluidic chip, at least in Fixation is attached on one clamping limb and is equiped with miniature ultrasonic transducer units, and, higher-order of oscillation electric signal transmission cable should One end of higher-order of oscillation electric signal transmission cable links together with the miniature ultrasonic transducer units；The elastic clip provides a side Just the function that the device is disassembled；Its major function of the miniature ultrasonic transducer units is the profit in micro-fluidic chip actual sample introduction test The ultrasonic wave launched with it reduces the interfacial tension between sample solution and the inwall of its inner passage of micro-fluidic chip, makes It can be compatible, also, using between the sample introduction end and the terminal and the miniature ultrasonic transducer units installation position away from Deviation is different and its ultrasonic intensity for being experienced on difference, its interfacial tension of sample introduction end described in induced synthesis and the terminal Interfacial tension difference between difference between its interfacial tension, the micro-fluidic chip two ends can the micro-fluidic chip this two Pressure gap is formed between end, the pressure gap can drive sample solution to the end flow；The miniature ultrasonic transducer units its Function also include with its ultrasonic wave launched check in sample contained large biological molecule its in the micro-fluidic chip inside it Absorption on channel inner surface, and then check the substrate of the dimethyl silicone polymer material its body phase the large biological molecule is swallowed up Effect；It is soft and have the substrate of the dimethyl silicone polymer material of elasticity its function and include with its property to the strong absorption of ultrasonic wave Matter, is absorbed strongly to ultrasonic wave, and thereby in micro-fluidic chip terminal to the limited short distance between the sample introduction end Within realize the rapid decrement of ultrasonic intensity；And, Micropump, the Micropump is connected with the sample introduction end；The function of the Micropump is, Interfacial tension between the inwall of the sample solution with its inner passage of micro-fluidic chip is reduced by the ul-trasonic irradiation, phase Between under the increased precondition of compatibility, come with the mechanicalness pumping strength of the Micropump between the two ends that are induced the ultrasonic wave Interfacial tension difference its driving force brought support mutually, adjust mutually, be mutually coupled, converged in the way of Collaboration It is polymerized to the strength that one driving test liquid flows to the terminal direction flowing；Described its thickness of cover plate and substrate is between 1.0 millimeters Between 5.0 millimeters；And, ultrasonic wave damper, its profile of ultrasonic wave damper is in block, tabular or bar-shaped；This surpasses Its material of sound wave damper is microcellular rubber, sponge rubber or microporous polyurethane elastomer；And, another elastic clip, this is another One elastic clip with its gripping strength by the sample introduction end of the micro-fluidic chip and the ultrasonic wave damper it is bonded to each other clip together, The strong consumption to ultrasonic energy that the ultrasonic wave damper is brought with its material, is further supported in the micro-fluidic core The piece terminal thereby further expands to the rapid decrement that ultrasonic intensity is realized within the limited short distance between the sample introduction end Difference between its interfacial tension of big described its interfacial tension of sample introduction end and the terminal.

The tumor markers antibody is the antibody of broad sense, and the antibody of the broad sense refers to possessing antibody function or functionally similar Can occur to combine and formed immune complex or immune compound with the various involved tumor markerses of corresponding clinic in antibody The material of the analog of thing；The tumor markers antigen is the antigen of broad sense, and the antigen of the broad sense is referred to can be using accordingly Antibody or be functionally similar to antibody material carry out enzyme mark detection it is various it is clinical involved the need for differentiate, the tumor-marker of detection Thing.

Described miniature ultrasonic transducer units can certainly be all installed on two clamping limbs；But, only installing one is miniature Ultrasonic transducer is dealt with and used enough.

The word of elastic clip one art-recognized meanings of itself are known.

The word of Micropump one art-recognized meanings of itself are known for the professional in micro-fluidic chip field.

The Micropump both can be the Micropump of external form；The Micropump can also be done into or say inside the embedded micro-fluidic chip The Micropump of the built in version of its sample introduction end structure position or the sample introduction end Near-neighbor Structure position.

The Micropump such as miniature piezoelectric pump, miniature peristaltic pump or miniature air driven pump.

The gold size sensitive membrane is to be sufficiently mixed chitosan gold size solution and tumor markers antibody-solutions uniformly, uses point sample instrument Point sample is coated on specified structure position, and forms its drying and forming-film.Tumor markers antibody in the gold size sensitive membrane is equal The tumor markers antibody marked for horseradish peroxidase or glucose oxidase, the gold size sensitive membrane has been included as fixing Above-mentioned each tumor markers antibody and introduce complementary medium therein, the complementary medium for example chitosan, cellulose acetate, Gelatin is therein a kind of or their mixture.

The pipeline in the microfluidic chip structure includes the lateral, and its internal diameter size may each be arbitrarily selected Size, still, for less with the consideration in terms of prepare liquid sample and reduction reagent loss, the pipeline includes described as far as possible The passage of the preferred capillary level of lateral, the passage of the capillary level implies that the interior of its internal diameter and the capillary on ordinary meaning The suitable passage in footpath.The shape of cross section of its inner passage of capillary can be arbitrary shape, the shape of cross section example Such as circular, oval, square, rectangle, bar shaped, naturally it is also possible to be arbitrarily the presence of the linear of bending, also, the hair The interior shape of tubule is with the extension of pipeline, and the shape of cross section of different parts can also allow to be different shapes.Only with regard to hair For the word of tubule one, its art-recognized meanings is known.

What is be related in structure is the electrode of microsize to electrode and reference electrode, and its electrode shape may each be any choosing Fixed shape, the arbitrarily selected shape such as column, sheet, strip or thread etc..It is described to electrode and the ginseng Art-recognized meanings than the electrode vocabulary of itself are known.

It is public only for professional of the word of ultrasonic transducer one art-recognized meanings of itself for ultrasonic technology field Know.

Various sizes, variously-shaped ultrasonic transducer are commercially available；Commercially available miniature ultrasonic transducer units its sizes can be with It is small to the magnitude only calculated with millimeter.

Only with regard to miniature ultrasonic transducer units its technique for fixing on general industry application solid body surface itself and Speech, is known general technology for the professional in ultrasonic technology field.This case is not to this expansion superfluous words.

Only with regard to naked PDMS substrates itself micro-channel molding or lithographic technique for, be open-and-shut known technology.

The industrial products market of involved its all size of higher-order of oscillation electric signal transmission cable is on sale.

The structure of the device can also include higher-order of oscillation electric signal generator；Its is another for the higher-order of oscillation electric signal transmission cable One end can be connected with the higher-order of oscillation electric signal generator.

The involved higher-order of oscillation electric signal generator technology of itself, for the professional in ultrasonic technology field, be It is simple and known；The higher-order of oscillation electric signal generator can be customized to ultrasonic instrument specialized factory.

The preferred scope of its specified ultrasonic wave transmission power of the miniature ultrasonic transducer units be between 5 milliwatts and 5000 milliwatts it Between；The preferred scope of the frequency of its ultrasonic wave operationally launched of the miniature ultrasonic transducer units be between 100KHz with Between 12MHz.

This case device can further include some annexes, the annex such as multiple tracks electrochemical workstation etc., institute certainly The art-recognized meanings for stating multiple tracks electrochemical workstation are known.Each working electrode for being related in this case microfluidic chip structure and , can be respectively via corresponding special the corresponding interface got lines crossed with the multiple tracks electrochemical workstation to electrode and reference electrode etc. Coupled.It is described that special to get lines crossed be for each the corresponding interface of each electrode and the multiple tracks electrochemical workstation is carried out into phase The private cable being mutually coupled with.The micro-fluidic chip in this case device, its structure can also include micro-valve, the number of the micro-valve Amount is not limited, according to actual needs, and the micro-valve can be installed in any required position installed in the microfluidic chip structure； The word of micro-valve one is for the professional of micro fluidic chip technical field, and the art-recognized meanings of itself are known；The micro-valve The manufacturing technology of itself and the use of technology is also known；The component that the micro-valve is not required.

The diameter of the working electrode can allow to be that any setting is easily installed the suitable diameter used, it is however recommended to Or say preferred its scope of the diameter between 0.1 micron to 2000 microns；The length of the working electrode can permit Permitted to be that any setting is easily installed the length used, it is however recommended to or to say preferred its scope of the length be at 1 micron To between 15000 microns.

The gold size for being installed in the working electrode surface layer by spraying or point sample instrument point sample or the coating of other appropriate process is quick Feel film, its thicknesses of layers can allow be any setting treat sample measuring liquid occur electrical signals response thickness, still, push away Preferred thickness is between 10 nanometers and 200 nanometers in other words for the thickness recommended.

The cover plate in chip structure, its material can allow to be any electrical insulating property material, for example：Polypropylene, glass Glass, polymethyl methacrylate, dimethyl silicone polymer, etc., in order to make smaller size of micro-fluidic chip, such as do Realized into the micro-fluidic chip of only 2.0 centimetres to 3.0 centimetres of super-small of length, and in the extremely short distance to ultrasonic wave Extremely fast decay, can preferably dimethyl silicone polymer be used as cover plate.Certainly, selected on large-sized micro-fluidic chip It is used as the cover plate using dimethyl silicone polymer, is also that this case technical scheme is allowed.

Described its thickness of cover plate and substrate can allow be any setting be easy to assembling thickness, the thickness of recommendation or say preferably Thickness be between 1.0 millimeters and 5.0 millimeters.Less thickness is conducive to saving material.

Described its size of ultrasonic wave damper is not limited, and described its length of ultrasonic wave damper, width, thickness may each be according to need The arbitrary size to be set.

It is known in field of rubber technology only for the word of microcellular rubber one art-recognized meanings of itself.

The microcellular rubber is commercially available.

It is known in field of rubber technology only for the word of sponge rubber one art-recognized meanings of itself.

The sponge rubber is commercially available.

It is known in technical field of macromolecules only for the word of microporous polyurethane elastomer one art-recognized meanings of itself.

The polyurethane micropore elastomer material is commercially available.

The microcellular rubber preferred microporous silicon rubber or micropore fluorubber.

It is known in field of rubber technology only for the word of micropore silicon rubber one art-recognized meanings of itself.

The microporous silicon Rubber market is on sale.

It is known in field of rubber technology only for the word of micropore fluorubber one art-recognized meanings of itself.

The micropore fluorubber is commercially available.

Another described elastic clip, naturally also elastic clip；The word of elastic clip one art-recognized meanings of itself are known.

Various elastic clip market is all on sale.

The application method of this case micro-fluidic chip：

This case is flowed with dual drive coupling operating mode driving liquid stream in the capillary channel of the ten Five-channels micro-fluidic chip It is dynamic, joint-detection is carried out to 15 kinds of tumor markerses respectively using multi-channel electrochemical analyzer device.

The specific detection of this case micro-fluidic chip is as follows using step：

1st, blood serum sample liquid is added in micro-pipe road, under dual drive coupling operating mode driving, various tumor markerses The tumor-marker for the corresponding horseradish peroxidase-labeled that antigen molecule is embedded by gold size sensitive membrane on electrode surface in each passage Thing specific antibody is captured.

2nd, the tumor markers antigen in the tumor markers specific antibody and blood serum sample of horseradish peroxidase-labeled is formed Immune complex.

3rd, using multi-channel electrochemical analyzer, the electron mediators such as catechol are added, using the above-mentioned reaction of amperometric detection Caused curent change, is derived from the species and content of various analytes.

4th, result is subjected to comprehensive analysis, comprehensive diagnos is carried out to tumor markers antigen.

It is an advantage of the invention that in elastic clip described in the terminal of the micro-fluidic chip its close position snap-in location, with The miniature ultrasonic transducer units installed are attached on the clamping limb of the elastic clip, it is launched using the miniature ultrasonic transducer units The ultrasonic wave of low-power, high-frequency band so that without strong hydrophobic micro-fluidic chip internal pipeline of surface chemical modification Compatibility between its tube wall and the test object aqueous solution is significantly increased, and this passes through possible there is provided a reality for test liquid stream Property；Meanwhile, using its strong absorbability to ultrasonic wave of dimethyl silicone polymer substrate, in shorter distance, also Be, from the terminal to the very short distance of only several centimeters yardsticks the sample introduction end in, reach the quick of ultrasonic intensity Successively decrease, interfacial tension between the difference of the interfacial tension, the two ends is thereby caused at the two ends of the micro-fluidic chip Difference can cause a kind of driving force, this kind because caused by interfacial tension difference its function of driving force be to drive test liquid stream to exist Originally flowed in strong hydrophobic capillary channel to the terminal direction；And the simultaneous Micropump in structure, its function It is that the interfacial tension between the inwall of the sample solution and its inner passage of micro-fluidic chip is dropped by the ul-trasonic irradiation Under low, the alternate increased precondition of compatibility, described two induced with the ultrasonic wave are come with the mechanicalness pumping strength of the Micropump Interfacial tension difference its driving force brought between end is supported mutually, adjusts mutually, is mutually coupled, with Collaboration Mode pools the strength that one driving test liquid flows to the terminal direction flowing；The presence of the Micropump so that the miniature ultrasonic Its ultrasonic wave emissive porwer of wave transducer can be allowed to appropriate reduction, and this in detection object for containing ultrasonic wave sensitive composition Situation is particularly suitable for；And by the presence of the ultrasonic transducer and its radiated ultrasonic wave, it is possible to increase alternate compatibility, drop Low interfacial tension, and the two ends interfacial tension difference special driving force that it is brought is provided, then, in this case, Its flow resistance in the micro-channel of test liquid stream is greatly reduced, and correspondingly, its running resistance of the Micropump is greatly reduced, so, The Micropump just can be to carry out the pumping work for the sample solution than relatively low pumping pressure, due to mechanical pumping Pressure is greatly reduced, therefore, in such a situation, be just not susceptible to because sample introduction terminal tool pumping pressure it is excessive caused by Between the micro-channel bubbling of the sample introduction end and its near zone, expansion, deformation, distortion and the region substrate and cover plate The problems such as stripping etc.；This case dual drive couples the scheme of running and adds the manipulation acted for the sample fluid flow Property, it can allow for coming using the multiple indexs of ultrasonic intensity, ultrasonic frequency, Micropump pump power, Micropump pumping pressure etc. Flow rate, flowing action for the flowing include flow forward or suspend flowing or accelerate flowing etc. flowing action progress many Parameter is accurately manipulated；By the scheme of this case dual drive coupling running, entirely without must be to the base of the dimethyl silicone polymer material Any surface chemical modification of its micro-channel of piece etc. relevant surfaces progress or surface chemical modification, have altogether dispensed with the surface chemistry Modification or the laborious procedures of surface chemical modification；On the other hand, the ultrasonic wave of the low-power, high-frequency band, additionally it is possible to containment examination The absorption of large biological molecule in sample on literalness naked its inner surface of pipeline of dimethyl silicone polymer substrate, and then contain The swallow up effect of its body phase of dimethyl silicone polymer substrate to the large biological molecule；The antigen, antibody and antigen are with resisting The Reversible binding thing of body is all the type for belonging to described large biological molecule certainly；Due to described suction-operated and described gulp down Do not act on and effectively being contained, therefore, dependence test result will be better able to objectively reflect actual conditions；The low-power, height The effect of frequent section ultrasonic wave, also include facilitating the Reversible binding between antigen, antibody react certainly quickly reaches, and this causes Dependence test operation can be with than the completion of faster speed.

As described above, the presence of the Micropump so that its ultrasonic wave emissive porwer of the miniature ultrasonic transducer units can be allowed to fit Degree reduction, then, the feature helps to protect its sensitive coating of the working electrode, is allowed to from ultrasound injury.

Based on this case scheme, repaiied completely without the surface chemistry carried out for the dimethyl silicone polymer substrate its relevant surfaces Decorations or surface chemical modification operation, therefore, this surface chemical modification layer or surface chemical modification layer not need to exist, So, its body phase interior polymer molecule of the dimethyl silicone polymer substrate is constantly diffused to the surface, migrated caused by it automatically Damaging influence to surface chemical modification layer or surface chemical modification layer is also just not present.

This case its installation position is located at the ultrasonic wave damper at the sample introduction end, from its terminal of this case micro-fluidic chip to entering Said on the sport technique segment that ultrasonic intensity rapid decrement is realized in the such short distance in sample end, the ultrasonic wave damper its function as The size expansion device of micro-fluidic chip, in other words, the ultrasonic wave damper its function as significantly extend it is micro-fluidic Its terminal of chip the distance between to sample introduction end, be the equal of from length of several centimetres of the extension of script to more than ten centimetres or Twenties centimetres of length or longer length, so so that described terminal is strong to the ultrasonic wave between sample introduction end in short distance The sport technique segment of degree rapid decrement can relatively easily be reached, also, the size expansion device namely the ultrasonic wave damper its Installation and removal are all very convenient, it is important that it can also be reused.

Its presence of the ultrasonic wave damper in this case device, further reduce to its pumping pressure of Micropump and pump power according to Rely；Correspondingly, its running resistance of the Micropump is further greatly reduced, so, and the Micropump just can be with lower pumping Pressure carries out the pumping work for the sample solution, because mechanical pumping pressure is further greatly reduced, Therefore, in such a situation, just be less susceptible to occur because sample introduction terminal tool pumping pressure it is excessive caused by the sample introduction end and The problems such as stripping between the micro-channel bubbling of its near zone, expansion, deformation, distortion and the region substrate and cover plate etc.； The scheme of this case dual drive coupling running is further added for the test liquid due to its presence of the ultrasonic wave damper The handling of flowing action is flowed, wherein, the factor that can adjust includes ultrasonic intensity, ultrasonic frequency, Micropump pump power, micro- Pump pumps pressure, and, the selection and use of ultrasonic wave damper material, the selection of ultrasonic wave damper block size and use, The selection of the size of its corresponding ultrasonic wave abatement ability of ultrasonic wave damper and use etc., this kind of many adjustable factor it is same When exist, can more operation indexs, further, more it is multifactor adjustably for the flowing flow rate, stream Action includes flow forward or pause flowing or accelerates flowing etc. flowing action to carry out the accurate manipulation under more parameters.

The technical scheme of this case has dissolved its application related one to dimethyl silicone polymer substrate addressed above totally Row technical barrier.Based on this case scheme, the polydimethyl siloxane material of this kind very cheap and easily processing and fabricating just has can Can in the micro-fluidic chip its prepare, production, using etc. field play bigger effect.

The miniature ultrasonic transducer units have been installed in fixation on the elastic clip its clamping limb in this case structure, this architecture provides One facilitates the function that the device is disassembled, in this way, the elastic clip just can facilitate together with miniature ultrasonic transducer units appended thereon Ground is mutually disengaged with the micro-fluidic chip, then, the component that the part can freely depart from is reused in which just can circulate benignly to be permitted Repeatedly；The architectural feature is conducive to saving the use cost of the device.

The framework of its large-scale integrated of this case micro-fluidic chip, determines it among actual test application, to Serum samples The need for measure smaller, this helps to reduce the body and mind damage of related subject.

Brief description of the drawings

Fig. 1 is its rough outside side view of this case device.

In figure, 1 is elastic clip, and 2,7 be two clamping limbs of elastic clip respectively, and 3 be the terminal of the micro-fluidic chip, 4 be the sample introduction end of the micro-fluidic chip, and 5 be the substrate of dimethyl silicone polymer material, and 6 be cover plate, and 8 be miniature super Acoustic wave transducer, 9 be higher-order of oscillation electric signal transmission cable, and 10 be tension spring, and 11 be infusion tube, and 12 be Micropump； The spring clamp structure in legend is only the legend structure of signal, and actual spring clamp structure is not limited to the legend spring clamp structure；Figure Example in arrow indicate the micro-fluidic chip its in actual motion, by pressure at two ends difference drive, the flowing of its test liquid stream Direction.The ultrasonic wave damper is depicted without in legend；Also another elastic clip is depicted without in legend.

Embodiment

In this case that Fig. 1 is shown embodiment, its main points of the example are that the structure of the device includes micro-fluidic chip, should The structure of micro-fluidic chip includes the substrate 5 and cover plate 6 of installing bonded to each other together, and the substrate 5 and cover plate 6 are plate Contain the conduit via mould pressing process or etching technics formation in shape thing or tablet, that face towards the cover plate 6 of the substrate 5 Structure, substrate 5 bonded to each other being installed together has been built into the micro-fluidic chip containing pipeline configuration jointly with the cover plate 6, The locations of structures of the pipeline is located at the substrate 5 and the cover plate 6 juncture area bonded to each other, and the two ends of the pipeline are micro- with this respectively The sample introduction end 4 of fluidic chip and terminal 3 are connected, and the sample introduction end 4 is the injection end of the micro-fluidic chip sample solution, the end End 3 is the terminal of sample solution flowing in its chip when the actual sample introduction of the micro-fluidic chip is tested, the terminal 3 and the sample introduction end 4 It is located remotely from each other, the distance between the terminal 3 and the sample introduction end 4 are different in the pipeline between 3 centimetres and 10 centimetres On position in order or backward is equiped with working electrode and to electrode and reference electrode, the order refers to the reference electricity Extremely locations of structures closer to the position of terminal 3, the backward refer to the reference electrode locations of structures closer to it is described enter The position of sample end 4, the working electrode is resisted by conductive electrode and the tumor markers that embedded being attached on the conductive electrode The gold size sensitive membrane of body is constituted, and parallel construction is presented in the construction of the pipeline, and the pipeline in parallel construction is by 15 branched pipes Road parallel connection is constituted, and its appearance profile of the pipeline of the presentation parallel construction is similar to the profile of parallel circuit, the work electricity The quantity of pole is 15, and the installation position of 15 working electrodes is located in 15 laterals respectively, and, Tumor markers antibody in the sensitive membrane structure of its top layer gold size of 15 working electrodes is to tumor markers antigen energy respectively Specific binding 15 kinds of tumor markers antibody materials, 15 kinds of antibody materials be respectively tumor markers antibody A FP, CEA、CA242、CA125、CA199、CA153、CA724、CA50、NSE、CYFRA21-1、FPSA、TPSA、β-hCG、 SCCA and β 2-MG, the antigen is the antigen of broad sense, and the antibody is the antibody of broad sense, its material of the working electrode It is argent material, gold material, carbon material or thermal decomposition conducting polymer material, post is presented in its pattern of the working electrode Shape, sheet or thread, its material of the substrate 5 is dimethyl silicone polymer material, and its surface of substrate 5 is the table of primary form Face, the surface of the primary form its be intended to refer to the material not by any surface chemical modification or any surface chemical modification The surface of the primary form of matter, the structure of the device also includes elastic clip 1, two opposite clamping limbs 2 of the elastic clip 1, 7 snap-in locations are attached on the position of the neighbouring terminal 3 of the micro-fluidic chip a, clamping limb at least in Fixation is equiped with miniature ultrasonic transducer units, this example, and the miniature ultrasonic transducer units 8 are fixed on clamping limb 7 by attaching, And, higher-order of oscillation electric signal transmission cable 9, one end and the miniature ultrasonic of the higher-order of oscillation electric signal transmission cable 9 are changed Energy device 8 links together；All fixed respectively on two clamping limbs 2,7 miniature ultrasonic transducer units can also be installed, still In general, miniature ultrasonic transducer units are installed only on a clamping limb to be just enough to deal with using needs, the elastic clip 1 is provided One facilitates the function that the device is disassembled；Its major function of the miniature ultrasonic transducer units 8 is in the actual sample introduction of micro-fluidic chip During test, the ultrasonic wave launched using it reduces the boundary between sample solution and the inwall of its inner passage of micro-fluidic chip Face tension force, can be compatible, also, utilizes the sample introduction end 4 and the terminal 3 and the miniature ultrasonic transducer units 8 Difference in the distance between installation position difference and its ultrasonic intensity experienced, sample introduction end 4 described in induced synthesis its Interfacial tension between difference between interfacial tension and the terminal 3 its interfacial tension, the micro-fluidic chip two ends 3,4 Difference can form pressure gap between the two ends 3,4 of the micro-fluidic chip, and the pressure gap can drive sample solution to institute State the flowing of the direction of terminal 3；Its function of the miniature ultrasonic transducer units 8 also includes checking institute in sample with its ultrasonic wave launched Its absorption on the micro-fluidic chip its inner passage inner surface of the large biological molecule contained, and then check the polydimethylsiloxanes Swallow up effect of its body phase of the substrate 5 of alkane material to the large biological molecule；The dimethyl silicone polymer material that is soft and having elasticity Substrate 5 its function include, with its property to the strong absorption of ultrasonic wave, ultrasonic wave being absorbed strongly, it is and thereby micro- at this The fluidic chip terminal 3 is to the rapid decrement that ultrasonic intensity is realized within the limited short distance between the sample introduction end 4；And, Micropump 12, the Micropump 12 is connected with the sample introduction end 4；The function of the Micropump 12 is, in the sample solution and the micro-fluidic core Interfacial tension between the inwall of its inner passage of piece is reduced by the ul-trasonic irradiation, the increased precondition of alternate compatibility Under, it is poor with the interfacial tension that the mechanicalness pumping strength of the Micropump 12 is come between the two ends 3,4 of ultrasonic wave induction Its different driving force brought is supported mutually, adjusts mutually, is mutually coupled, and one driving is pooled in the way of Collaboration Test liquid flows to the strength of the direction of terminal 3 flowing；Its thickness of the cover plate 6 and substrate 5 is between 1.0 millimeters and 5.0 Between millimeter；And, ultrasonic wave damper, its profile of ultrasonic wave damper is in block, tabular or bar-shaped；The ultrasonic wave disappears It is microcellular rubber, sponge rubber or microporous polyurethane elastomer to subtract device its material；And, another elastic clip, another bullet Power folder with its gripping strength by the sample introduction end 4 of the micro-fluidic chip and the ultrasonic wave damper it is bonded to each other clip together, this is super The strong consumption to ultrasonic energy that sound wave damper is brought with its material, further supporting should in the micro-fluidic chip Terminal 3 thereby further expands to the rapid decrement that ultrasonic intensity is realized within the limited short distance between the sample introduction end 4 Difference between its interfacial tension of big described its interfacial tension of sample introduction end 4 and the terminal 3.

The ultrasonic wave damper is depicted without in legend；Also another elastic clip is depicted without in legend.

Arrow in legend indicate the micro-fluidic chip its in actual motion, by two ends 3,4 pressure differentials drive, its try The flow direction of sample liquid stream.

Fig. 1 is depicted without the associate members such as the higher-order of oscillation electric signal generator.

The Micropump 12 can be customized to specialized factory.

Its connected mode with various micro-fluidic chip of various Micropump is known.

Involved elastic clip 1 is commercially available.Be available for commercially available alternative spring clamp structure that this case structure is used and moulding and Size etc., quality is various, and specific elastic clip pattern can be selected as needed.

Involved miniature ultrasonic transducer units 8 are commercially available；It can also be customized to ultrasonic transducer producer.

Involved higher-order of oscillation electric signal transmission cable 9 is commercially available；Can also be to ultrasonic transducer producer or cable special manufacturer Family's customization.

Involved higher-order of oscillation electric signal generator market has the product close to needs commercially available；It can also be customized to relevant manufacturers.

Its inner passage of the micro-fluidic chip involved by this case is the pipeline of hydrophobic capillary form.

The Micropump both can be the Micropump of external form；The Micropump can also be done into or say inside the embedded micro-fluidic chip The Micropump of the built in version of its sample introduction end structure position or the sample introduction end Near-neighbor Structure position, its basic structure key element and external form Micropump it is identical.Micropump in legend is the Micropump of external form.

The multiple tracks electrochemical workstation is commercially available；The multiple tracks electrochemical workstation can also be according to specific needs to related special Industry producer customizes.

In view of this case pipeline of the presentation parallel construction its form that related text expresses that it is described above is clear enough It is clear, the concrete form of the pipeline in this kind of micro-fluidic chip of this case is no longer specifically illustrating in this case embodiment.

Antibody described in this case refers to the antibody of broad sense；Antigen described in this case refers to the antigen of broad sense；It is immunized described in this case multiple Compound refers to the immune complex of broad sense.

Claims (10)

1. ten Five-channel micro flow control chip devices of common tumor markers examination, it is characterised in that the structure of the device includes Micro-fluidic chip, the structure of the micro-fluidic chip includes the substrate and cover plate of installing bonded to each other together, the substrate and cover plate It is plate object or tablet, the groove via mould pressing process or etching technics formation is contained in that face towards the cover plate of the substrate Road structure, substrate bonded to each other being installed together has been built into the micro-fluidic chip containing pipeline configuration jointly with the cover plate, The locations of structures of the pipeline is located at the substrate and cover plate juncture area bonded to each other, and the two ends of the pipeline are micro-fluidic with this respectively The sample introduction end of chip and terminal connection, the sample introduction end is the injection end of the micro-fluidic chip sample solution, and the terminal is the miniflow The terminal of sample solution flowing in its chip when the actual sample introduction of chip is tested is controlled, the terminal is located remotely from each other with the sample introduction end, the terminal With the distance between the sample introduction end between 3 centimetres and 10 centimetres, in the pipeline on diverse location in order or backward dress Provided with working electrode and to electrode and reference electrode, the order refers to its locations of structures of the reference electrode closer to institute Terminal location is stated, the backward refers to the reference electrode locations of structures closer to the sample introduction end position, the working electrode It is made up of conductive electrode and the gold size sensitive membrane for having embedded tumor markers antibody being attached on the conductive electrode, the pipe Parallel construction is presented in the construction in road, and the pipeline in parallel construction is made up of 15 lateral parallel connections, described to be presented in parallel Its appearance profile of the pipeline of construction is similar to the profile of parallel circuit, and the quantity of the working electrode is 15, and this 15 The installation position of individual working electrode is located in 15 laterals respectively, and, 15 its top layer of working electrode gold Tumor markers antibody in glue sensitivity membrane structure is the 15 kinds of tumour marks that can be specifically bound to tumor markers antigen respectively Will thing antibody materials, 15 kinds of antibody materials be respectively tumor markers antibody A FP, CEA, CA242, CA125, CA199, CA153, CA724, CA50, NSE, CYFRA21-1, FPSA, TPSA, β-hCG, SCCA and β 2-MG, it is described anti- Original is the antigen of broad sense, and the antibody is the antibody of broad sense, its material of the working electrode be argent material, gold material, Carbon material or thermal decomposition conducting polymer material, the working electrode its pattern are presented column, sheet or thread, the substrate its Material is dimethyl silicone polymer material, and its surface of the substrate is the surface of primary form, the surface of the primary form its be meant to Be the material not no by any surface chemical modification or any surface chemical modification primary form surface, the device Structure also includes elastic clip, the neighbouring terminal of two opposite clamping limb snap-in locations of the elastic clip in the micro-fluidic chip Position, fixation is attached on a clamping limb at least in and is equiped with miniature ultrasonic transducer units, and, high frequency vibrating Electric signal transmission cable is swung, one end and the miniature ultrasonic transducer units of the higher-order of oscillation electric signal transmission cable link together； The elastic clip facilitates the function that the device is disassembled there is provided one；Its major function of the miniature ultrasonic transducer units is in micro-fluidic core During the test of piece actual sample introduction, the ultrasonic wave launched using it reduce sample solution with its inner passage of the micro-fluidic chip Interfacial tension between wall, can be compatible, also, is changed using the sample introduction end and the terminal with the miniature ultrasonic Difference in the distance between energy device installation position difference and its ultrasonic intensity experienced, sample introduction end described in induced synthesis Interfacial tension difference meeting between difference between its interfacial tension and the terminal its interfacial tension, the micro-fluidic chip two ends Pressure gap is formed between the two ends of the micro-fluidic chip, the pressure gap can drive sample solution to the end flow； The miniature ultrasonic transducer units its functions also include with its ultrasonic wave launched check large biological molecule contained in sample its Absorption on the micro-fluidic chip its inner passage inner surface, and then check the substrate of the dimethyl silicone polymer material its body phase The effect of swallowing up to the large biological molecule；Softness simultaneously has its function of the substrate of the dimethyl silicone polymer material of elasticity including with it To the property of the strong absorption of ultrasonic wave, ultrasonic wave is absorbed strongly, and thereby in micro-fluidic chip terminal to the sample introduction The rapid decrement of ultrasonic intensity is realized within limited short distance between end；And, Micropump, the Micropump connects with the sample introduction end Connect；The function of the Micropump is that the interfacial tension between the inwall of the sample solution and its inner passage of micro-fluidic chip is by this Ul-trasonic irradiation and reduce, under the increased precondition of alternate compatibility, come and the ultrasound with the mechanicalness pumping strength of the Micropump Interfacial tension difference its driving force brought between the two ends of ripple induction is supported mutually, adjusts mutually, is mutually coupled, The strength that one driving test liquid flows to the terminal direction flowing is pooled in the way of Collaboration；The cover plate and substrate its Thickness is between 1.0 millimeters and 5.0 millimeters；And, ultrasonic wave damper, its profile of the ultrasonic wave damper in it is block, Tabular is bar-shaped；Its material of the ultrasonic wave damper is microcellular rubber, sponge rubber or microporous polyurethane elastomer；And, separately One elastic clip, another elastic clip is mutual by the sample introduction end of the micro-fluidic chip and the ultrasonic wave damper with its gripping strength Snugly clip together, the strong consumption to ultrasonic energy that the ultrasonic wave damper is brought with its material, further The fast express delivery of ultrasonic intensity is realized in support within micro-fluidic chip terminal to the limited short distance between the sample introduction end Subtract, and thereby further expand the difference between described its interfacial tension of sample introduction end and the terminal its interfacial tension.

2. ten Five-channel micro flow control chip devices of common tumor markers examination according to claim 1, its feature exists In it is capillary channel that the pipeline, which includes the lateral,.

3. ten Five-channel micro flow control chip devices of common tumor markers examination according to claim 1, its feature exists In, the thermal decomposition conducting polymer be by polyimides or polyacrylonitrile be heat-treated through anoxybiotic after the conductive material that is formed.

4. ten Five-channel micro flow control chip devices of common tumor markers examination according to claim 1, its feature exists In, the width or diameter of the working electrode between 0.1 micron to 2000 microns, and, the length of the working electrode Degree is between 1 micron to 15000 microns.

5. ten Five-channel micro flow control chip devices of common tumor markers examination according to claim 1, its feature exists In the thickness of the gold size sensitive membrane is between 10 nanometers and 200 nanometers.

6. ten Five-channel micro flow control chip devices of common tumor markers examination according to claim 1, its feature exists In its material of the cover plate in structure is dimethyl silicone polymer material.

7. ten Five-channel micro flow control chip devices of common tumor markers examination according to claim 1, its feature exists In the Micropump is miniature piezoelectric pump, miniature peristaltic pump or miniature air driven pump.

8. ten Five-channel micro flow control chip devices of common tumor markers examination according to claim 1, its feature exists In the microcellular rubber is micropore silicon rubber or micropore fluorubber.

9. ten Five-channel micro flow control chip devices of common tumor markers examination according to claim 1, its feature exists Also include higher-order of oscillation electric signal generator in the structure of, the micro fluidic device, its is another for the higher-order of oscillation electric signal transmission cable One end is connected with the higher-order of oscillation electric signal generator.

10. ten Five-channel micro flow control chip devices of common tumor markers examination according to claim 1, its feature exists In its specified ultrasonic wave transmission power of the miniature ultrasonic transducer units is between 5 milliwatts and 5000 milliwatts, the miniature ultrasonic The frequency of its ultrasonic wave operationally launched of wave transducer is between 100KHz and 12MHz.