CN202421115U - Multi-index biological capacitance sensor - Google Patents
Multi-index biological capacitance sensor Download PDFInfo
- Publication number
- CN202421115U CN202421115U CN2011205337367U CN201120533736U CN202421115U CN 202421115 U CN202421115 U CN 202421115U CN 2011205337367 U CN2011205337367 U CN 2011205337367U CN 201120533736 U CN201120533736 U CN 201120533736U CN 202421115 U CN202421115 U CN 202421115U
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- CN
- China
- Prior art keywords
- microelectrode array
- metal microelectrode
- metal
- body fluid
- capacitance
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A multi-index biological capacitance sensor comprises an insulation substrate. A metal microelectrode array is fixed on the insulation substrate and connected with a capacitance detector through a lead, and an insulation layer, a cross-linking agent layer and a biological film are sequentially formed on the surface of each metal microelectrode of the metal microelectrode array. The insulation substrate and the metal microelectrode array are placed in a reaction container where body fluid to be detected is injected, the metal microelectrode array is soaked in the body fluid to be detected for reacting, capacitance on each electrode is timely detected through the capacitance detector, a curve is drew according to the relation between capacitance change rate (delta C/C) and time (t), and then the curve is compared with the corresponding standard curve to obtain concentration of each material in the body fluid. The metal microelectrode array is provided with a plurality of metal microelectrodes and can simultaneously determine the concentration of a plurality of special materials in the body fluid to be detected.
Description
Technical field
The utility model relates to technical field of biological.Be specifically related to a kind of many indicator organisms capacitive transducer.
Background technology
Most biology sensors all can only detect the single creature index, can not detect a plurality of Biological indicators simultaneously.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the purpose of the utility model is to provide a kind of many indicator organisms capacitive transducer, can detect multiple Biological indicators simultaneously.
In order to achieve the above object, the technical scheme taked of the utility model:
A kind of many indicator organisms capacitive transducer; Comprise dielectric substrate 1; Be fixed with metal microelectrode array 2 in dielectric substrate 1; Metal microelectrode array 2 is connected with capacitance detector 4 through lead 3, and each metal microelectrode surface of metal microelectrode array 2 is formed with insulation course, crosslinking chemical layer and biological membrane successively.
Because the utility model is provided with metal microelectrode array 2, so can detect multiple Biological indicators simultaneously.
Description of drawings
Accompanying drawing is the structural representation of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
With reference to accompanying drawing; A kind of many indicator organisms capacitive transducer; Comprise dielectric substrate 1; Be fixed with metal microelectrode array 2 in dielectric substrate 1, metal microelectrode array 2 is connected with capacitance detector 4 through lead 3, and each metal microelectrode surface of metal microelectrode array 2 is formed with insulation course, crosslinking chemical layer and biological membrane successively.
The principle of work of the utility model is:
The dielectric substrate 1 of the utility model is put into the reaction vessel that body fluid to be measured injects with metal microelectrode array 2; Metal microelectrode array 2 is dipped in the body fluid to be measured and reacts; Detect the capacitance on each electrode in real time through capacitance detector 4; Relation value curve plotting according to rate of change of capacitance (Δ C/C) and time (t) contrasts corresponding standard curve then, can this body fluid in the concentration of each material; Metal microelectrode array 2 is provided with a plurality of metal microelectrodes, can measure the concentration of multiple predetermined substance in the tested body fluid simultaneously.
Claims (1)
1. indicator organism capacitive transducer more than a kind; Comprise dielectric substrate (1); It is characterized in that: be fixed with metal microelectrode array (2) in dielectric substrate (1); Metal microelectrode array (2) is connected with capacitance detector (4) through lead (3), and each metal microelectrode surface of metal microelectrode array (2) is formed with insulation course, crosslinking chemical layer and biological membrane successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205337367U CN202421115U (en) | 2011-12-15 | 2011-12-15 | Multi-index biological capacitance sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205337367U CN202421115U (en) | 2011-12-15 | 2011-12-15 | Multi-index biological capacitance sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202421115U true CN202421115U (en) | 2012-09-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205337367U Expired - Fee Related CN202421115U (en) | 2011-12-15 | 2011-12-15 | Multi-index biological capacitance sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202421115U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9746442B2 (en) | 2014-03-30 | 2017-08-29 | International Business Machines Corporation | Switched-capacitor biosensor device |
| US9891254B2 (en) | 2013-11-14 | 2018-02-13 | Nxp B.V. | Capacitive sensing system and method |
-
2011
- 2011-12-15 CN CN2011205337367U patent/CN202421115U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9891254B2 (en) | 2013-11-14 | 2018-02-13 | Nxp B.V. | Capacitive sensing system and method |
| US9746442B2 (en) | 2014-03-30 | 2017-08-29 | International Business Machines Corporation | Switched-capacitor biosensor device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20121215 |