CN103954664A - Electrode disk, preparation method thereof and electrochemical flow cell based on same - Google Patents
Electrode disk, preparation method thereof and electrochemical flow cell based on same Download PDFInfo
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- CN103954664A CN103954664A CN201410143472.2A CN201410143472A CN103954664A CN 103954664 A CN103954664 A CN 103954664A CN 201410143472 A CN201410143472 A CN 201410143472A CN 103954664 A CN103954664 A CN 103954664A
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Abstract
The invention discloses an electrode disk, a preparation method thereof and an electrochemical flow cell based on the same. The electrode disk comprises a working electrode, a counter electrode and an insulating medium arranged on a same plane; the working electrode is arranged at the central position of the electrode disk, the counter electrode is arranged at the periphery of the working electrode in a rounding way, and the insulating medium is arranged between the working electrode and the counter electrode; the electrochemical flow cell comprises a support, an upper cover and an photoelectric detector; a chamber used for electrochemiluminescence reaction is cooperatively arranged between the support and the upper cover; the support is provided with an inflow pipe and an outflow pipe respectively communicated with two ends of the chamber; the electrode disk is arranged below the chamber; and the support also is provided with a reference electrode communicated with the outflow pipe. The electrochemical flow cell has the advantages of simple structure, assembling convenience, low production difficulty, small product quality error and the like which are not possessed by the prior art.
Description
Technical field
The present invention relates to medical diagnostic techniqu application, particularly a kind of electrode disk and preparation method thereof and the galvanochemistry flow cell based on this electrode disk.
Background technology
Electrochemiluminescence be chemical substance via electrochemical reaction, thereby or from electrochemical reaction, start to form luminous excited state via one or more chemical reactions and produce photoemissive phenomenon.The material with electrochemiluminescence character has a lot, comprising organism, and metal complex, organometallics and some nano particles etc.
Under many circumstances, electrochemiluminescence needs the participation of a co-reactant, and typical example is exactly some metal complexes or organometallics, and especially typical example is tris (bipyridine) ruthenium and like derivatives thereof.
When electrochemiluminescence needs co-reactant to participate in, electrochemiluminescence can be used as a kind of chemical analysis means and detect co-reactant.The most successfully application of electrochemiluminescence is immunoassay.Commercial to obtain great successful electrochemiluminescence immunoassay system be the reaction system based on tris (bipyridine) ruthenium and tripropyl amine (TPA), in document in the past of its mechanism and patent, describes to some extent or announce, and do not repeat them here.
Electrochemical reaction and follow-up chemical reaction can carry out in a galvanochemistry flow cell, also can in deserted microwell plate, carry out.The former contains the working electrode that is fixed in flow cell and to electrode and the contrast electrode that flows down trip at liquid.The defects such as the quality error of the disclosed galvanochemistry flow cell of prior art product because the reasons such as defect, structural arrangement be unreasonable of design generally have complex structure, production difficulty is high, production cost is high, during large-scale mass production is large.For this reason, the defect that the object of the present invention is to provide a kind of technical scheme to exist to solve prior art.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of electrode disk and preparation method thereof and the galvanochemistry flow cell based on this electrode disk, solved the technological deficiencies such as existing galvanochemistry flow cell complex structure, production difficulty is high, cost is high, difficult quality guarantee.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of electrode disk for galvanochemistry flow cell, comprise working electrode that isoplanar arranges, to electrode and insulating medium, described working electrode is arranged on the middle position of electrode disk, described to electrode retaining collar around the week edge that is arranged on working electrode, described working electrode and to being provided with insulating medium between electrode.
As the improvement of technique scheme, described have an insulating medium that is looped around its week edge to electrode arranged outside.
As the further improvement of technique scheme, the thickness of this kind of electrode disk is more than or equal to 10um.
As the further improvement of technique scheme, the xsect of described working electrode is circle, polygon or other random geometries, and described is annulus, polygon ring or other anomalistic objects to electrode.
As the further improvement of technique scheme, described working electrode and be metal, carbon or other electrode materials to electrode, described working electrode with to electrode, be same material or different materials, described insulating medium is plastics, pottery or other insulating material.
As the further improvement of technique scheme, described working electrode and the electrode area of electrode is all more than or equal to 2mm2.
A preparation method for the electrode disk of galvanochemistry flow cell, comprises the following steps:
Step a: Formation cross-section is with electrode disk cross-sectional structure described in claim 1-6 any one and form identical electrode cylinder;
Step b: above-mentioned electrode cylinder is slit longitudinally into the electrode disk that thickness is more than or equal to 10um with instrument.
A kind of galvanochemistry flow cell for electrochemiluminescence, comprise stake body, be arranged on the upper cover body on described stake body top and be arranged on described upper cover body top and for the photoelectric detector of Photoelectric Detection, between described stake body and upper cover body, be equipped with the cavity that cross section is long ellipticity and reacts for electrochemiluminescence, on described stake body, offer become a mandarin pipeline and the outflow tube road that are communicated to respectively above-mentioned cavity two ends, the described pipeline that becomes a mandarin, outflow tube road is with cavity intercommunication and coordinate formation one fluid passage, the below of described cavity is provided with the electrode disk described in claim 1-6 any one, on described stake body, be also provided with the contrast electrode that is communicated in above-mentioned outflow tube road.
As the further improvement of technique scheme, described electrode disk is arranged on installation position corresponding on stake body, and above-mentioned cavity extends through in the upper surface of electrode disk.
Further improvement as technique scheme, described upper cover body is provided with an optically transparent detection window, described detection window is positioned at described cavity top, and above-mentioned photoelectric detector is positioned at this detection window top and for detection of the flowing material of detection window below cavity or bring the solid matter in chamber into fluid.
As the further improvement of technique scheme, described stake body extends upward and is provided with the accommodation space moving up and down for magnet in its bottom center position, and described accommodation space is positioned at the below of above-mentioned electrode disk.
The invention has the beneficial effects as follows: the invention provides a kind of electrode disk and preparation method thereof and the galvanochemistry flow cell based on this electrode disk, working electrode in the present invention and be the one-piece construction of plane layout together to electrode, in production galvanochemistry flow cell, using electrode disk as an integral body, be directly assembled in galvanochemistry flow cell, this kind of structure not only makes the structure of whole galvanochemistry flow cell be simplified, also production, the packaging technology of greatly having simplified this kind of galvanochemistry flow cell, reduced production difficulty and production cost simultaneously; In addition, due to working electrode in the present invention with to electrode, so that an electrode disk is whole, occur, working electrode with to electrode, can there is not because of assembling process the ubiquitous height of prior art, distance, flatness equal error, the producer can have a good control to the quality of product easily, avoids the situation that occurs that different product mass deviation is large.This kind of electrode disk and preparation method thereof and the galvanochemistry flow cell based on this electrode disk have solved the technological deficiencies such as existing galvanochemistry flow cell complex structure, production difficulty is high, cost is high, difficult quality guarantee.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of electrode disk in the present invention;
Fig. 2 is the preparation flow schematic diagram of electrode disk in the present invention;
Fig. 3 is the vertical view of galvanochemistry flow cell in the present invention;
Fig. 4 is the cut-open view of A-A direction in Fig. 3.
Embodiment
Below with reference to embodiment and accompanying drawing, the technique effect of design of the present invention, concrete structure and generation is clearly and completely described, to understand fully object of the present invention, feature and effect.Obviously; described embodiment is a part of embodiment of the present invention, rather than whole embodiment, based on embodiments of the invention; other embodiment that those skilled in the art obtains under the prerequisite of not paying creative work, all belong to the scope of protection of the invention.In addition, all connection/annexations that relate in patent, not singly refer to that member directly joins, and refer to and can by adding or reducing, connect auxiliary according to concrete performance, form more excellent draw bail.Each technical characterictic in the invention, can combination of interactions under the prerequisite of not conflicting conflict, with reference to Fig. 1-4.
With reference to Fig. 1, a kind of electrode disk 1 for galvanochemistry flow cell, be plate-like, its thickness is more than or equal to 10um, this kind of electrode disk 1 comprise working electrode 11 that isoplanar arranges, to electrode 12 and insulating medium 13, described working electrode 11 is arranged on the middle position of electrode disk 1, described to electrode 12 around the week edge that is arranged on working electrode 11, described working electrode 11 and to being provided with insulating medium 13 between electrode 12, described have an insulating medium 13 that is looped around its week edge to electrode 12 arranged outside.
Above-mentioned working electrode 11 and to electrode 12 by insulating medium 13 mutually insulateds, to electrode, within 12 weeks, along the insulating medium 13 arranging, make itself and week along other substance insulation, when this kind of electrode disk 1 of application, when working electrode 11 with after to electrode 12 energising, working electrode 11 and to producing electric field between electrode 12.
Described working electrode 11 is circle, polygon or other random geometries, and described is annulus, polygon ring or other irregular ring bodies to electrode 12.
Described working electrode and be metal, carbon or other electrode materials to electrode, described working electrode with to electrode, be same material or different materials, described insulating medium is plastics, pottery or other insulating material.
Described working electrode and the electrode area of electrode is all more than or equal to 2mm2, when practicing, its electrode area is not more than 5cm2 conventionally.
This kind of electrode disk 1 is an one-piece construction, the working electrode 11 in electrode disk 1, to electrode 12 and insulating medium 13, is the constituting parts of electrode disk 1.
With reference to Fig. 1, Fig. 2, the present invention discloses a kind of preparation method of the electrode disk 1 for galvanochemistry flow cell, comprises the following steps:
Step a: Formation cross-section is with above-mentioned electrode disk 1 cross-sectional structure and form identical electrode cylinder 10;
Step b: above-mentioned electrode cylinder 10 is slit longitudinally into the electrode disk 1 that thickness is more than or equal to 10um with instrument.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, electrode disk 1 based on above-mentioned, the present invention also provides a kind of galvanochemistry flow cell for electrochemiluminescence, comprise stake body 2, be arranged on the upper cover body 3 on described stake body 2 tops and be arranged on described upper cover body 3 tops and for the photoelectric detector 4 of Photoelectric Detection, between described stake body 2 and upper cover body 3, be equipped with the cavity 21 that cross section is long ellipticity and reacts for electrochemiluminescence, on described stake body 2, offer become a mandarin pipeline 22 and the outflow tube road 23 that are communicated to respectively above-mentioned cavity 21 two ends, the described pipeline 22 that becomes a mandarin, outflow tube road 23 is with cavity 21 intercommunications and coordinate formation one fluid passage, the below of described cavity 21 is provided with above-mentioned electrode disk 1, described stake body 2 sidepieces are provided with the contrast electrode 24 that embeds in stake body 2 and be communicated to described outflow tube road 23, described electrode disk 1 is arranged on installation position corresponding on stake body 1, above-mentioned cavity 21 extends through in the upper surface of electrode disk 1.
Above-mentioned stake body 2 upper surfaces are extended with the electrode disk installation position for placing said electrodes dish 1 downwards, electrode disk 1 is arranged on this electrode disk installation position, between stake body 2 and upper cover body 3, there is a cavity 21, this cavity 21 can be processed to form at the lower surface of stake body 2 upper surfaces or upper cover body 3, one auxiliary member also can be set between stake body 2 and upper cover body 3 to form a cavity 21, this cavity 21 extends through from the upper surface of electrode disk 1.Above-mentioned become a mandarin pipeline 22 and outflow tube road 23 are extended upward by the lower surface of stake body 2 and the two ends of final and above-mentioned cavity 21 are communicated with, liquid can enter cavity 21 and be flowed out by outflow tube road 23 from the pipeline 22 that becomes a mandarin, with reference to Fig. 4, liquid enters into from M direction the pipeline 22 that becomes a mandarin, and after the cavity 21 of flowing through, from outflow tube road 23 along N direction, flows out.
When this kind of product of assembling, electrode disk 1 is arranged on behind above-mentioned electrode disk installation position, stake body 2 can be fixed by screw with upper cover body 3, meanwhile, between stake body 2 and upper cover body 3, is provided with packoff, guarantees that product has good sealing.
Described upper cover body 3 is provided with an optically transparent detection window 31, described detection window 31 is positioned at described cavity 21 tops, and above-mentioned photoelectric detector 4 is positioned at these detection window 31 tops and for detection of the flowing material of detection window 31 below cavitys 21 or bring the solid matter of cavity 21 into fluid.The photoelectric detector detection that after the electrochemiluminescence carrying out in above-mentioned cavity 21, its light is detected the setting of window top by detection window is gone forward side by side line number according to one's analysis.
Described stake body 2 extends upward and is provided with the accommodation space 25 moving up and down for magnet 5 in its bottom center position, and described accommodation space 25 is positioned at the below of above-mentioned electrode disk 1.Between described accommodation space 25 and above-mentioned electrode disk 1 across the thinner one deck structural sheet of stake body 2, this kind of structure can be so that magnet 5 strengthens the magnetic action of its magnetic field to the flowing material of the process that circulates in cavity 21 when the work of coming and going, can be so that detection be sensitiveer, degree of accuracy is higher.
In the present embodiment, above-mentioned electrode disk 1 is placed between stake body 2 and upper cover body 3, lower surface and the stake body of electrode disk 1 are adjacent to installation, between the upper surface of electrode disk 1 and upper cover body 2, it is cavity 21, liquid enters cavity 21 along liquid flow path direction, magnet 5 along direction of motion (with reference to the direction E that moves up and down of magnet in Fig. 45, F) move upward, by enrichment in liquid the measured object of magnetic bead be adsorbed onto working electrode surface, start working electrode 11, three-electrode system to electrode 12 and contrast electrode 24 formation, impel the electroluminescent substance in liquid luminous, by being placed in the photoelectric detector 4 at galvanochemistry flow cell top, measure the luminous energy that luminescent substance sends again, finally by crossing the concentration that calculates measured matter, this kind of product can be widely used in medical application fields.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and the distortion that these are equal to or replacement are all included in the application's claim limited range.
Claims (11)
1. the electrode disk for galvanochemistry flow cell, it is characterized in that: comprise working electrode that isoplanar arranges, to electrode and insulating medium, described working electrode is arranged on the middle position of electrode disk, described to electrode retaining collar around the week edge that is arranged on working electrode, described working electrode and to being provided with insulating medium between electrode.
2. a kind of electrode disk for galvanochemistry flow cell according to claim 1, is characterized in that: described have an insulating medium that is looped around its week edge to electrode arranged outside.
3. a kind of electrode disk for galvanochemistry flow cell according to claim 1, is characterized in that: the thickness of this kind of electrode disk is more than or equal to 10um.
4. a kind of electrode disk for galvanochemistry flow cell according to claim 1, it is characterized in that: the xsect of described working electrode is circle, polygon or other random geometries, and described is annulus, polygon ring or other anomalistic objects to electrode.
5. a kind of electrode disk for galvanochemistry flow cell according to claim 1, it is characterized in that: described working electrode and be metal, carbon or other electrode materials to electrode, described working electrode with to electrode, be same material or different materials, described insulating medium is plastics, pottery or other insulating material.
6. a kind of electrode disk for galvanochemistry flow cell according to claim 1, is characterized in that: described working electrode and the electrode area of electrode is all more than or equal to 2mm2.
7. for a preparation method for the electrode disk of galvanochemistry flow cell, it is characterized in that comprising the following steps:
Step a: Formation cross-section is with electrode disk cross-sectional structure described in claim 1-6 any one and form identical electrode cylinder;
Step b: above-mentioned electrode cylinder is slit longitudinally into the electrode disk that thickness is more than or equal to 10um with instrument.
8. the galvanochemistry flow cell for electrochemiluminescence, it is characterized in that: comprise stake body, be arranged on the upper cover body on described stake body top and be arranged on described upper cover body top and for the photoelectric detector of Photoelectric Detection, between described stake body and upper cover body, be equipped with the cavity that cross section is long ellipticity and reacts for electrochemiluminescence, on described stake body, offer become a mandarin pipeline and the outflow tube road that are communicated to respectively above-mentioned cavity two ends, the described pipeline that becomes a mandarin, outflow tube road is with cavity intercommunication and coordinate formation one fluid passage, the below of described cavity is provided with the electrode disk described in claim 1-6 any one, on described stake body, be also provided with the contrast electrode that is communicated in above-mentioned outflow tube road.
9. a kind of galvanochemistry flow cell for electrochemiluminescence according to claim 8, is characterized in that: described electrode disk is arranged on installation position corresponding on stake body, and above-mentioned cavity extends through in the upper surface of electrode disk.
10. a kind of galvanochemistry flow cell for electrochemiluminescence according to claim 8 or claim 9, it is characterized in that: described upper cover body is provided with an optically transparent detection window, described detection window is positioned at described cavity top, and above-mentioned photoelectric detector is positioned at this detection window top and for detection of the flowing material of detection window below cavity or bring the solid matter in chamber into fluid.
11. a kind of galvanochemistry flow cells for electrochemiluminescence according to claim 10, it is characterized in that: described stake body extends upward and is provided with the accommodation space moving up and down for magnet in its bottom center position, and described accommodation space is positioned at the below of above-mentioned electrode disk.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US11035836B2 (en) | 2018-07-31 | 2021-06-15 | Saudi Arabian Oil Company | Methods of generating and corrosion testing aqueous gas streams prepared from aqueous acid and salt precursor solutions |
US20210325333A1 (en) * | 2020-04-20 | 2021-10-21 | The Government of the United States of Amerrica, as represented by the Secretary of the Navy | Electrochemical Flow Cell Framework for Evaluating Electroactive Biofilms |
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CN103149146A (en) * | 2013-02-01 | 2013-06-12 | 厦门大学 | Multifunctional corrosion monitoring probe used for monitoring corrosion of industrial equipment |
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Patent Citations (8)
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EP0223948A2 (en) * | 1985-10-28 | 1987-06-03 | Gambro Ab | Electrode measuring system |
CN1065339A (en) * | 1991-02-06 | 1992-10-14 | 伊根有限公司 | The method and apparatus that contains the magnetic particle base luminescence assays of built-up magnet |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US11035836B2 (en) | 2018-07-31 | 2021-06-15 | Saudi Arabian Oil Company | Methods of generating and corrosion testing aqueous gas streams prepared from aqueous acid and salt precursor solutions |
US20210325333A1 (en) * | 2020-04-20 | 2021-10-21 | The Government of the United States of Amerrica, as represented by the Secretary of the Navy | Electrochemical Flow Cell Framework for Evaluating Electroactive Biofilms |
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Application publication date: 20140730 |