CN203732443U - Nanometer photoelectric device for ion monitoring - Google Patents
Nanometer photoelectric device for ion monitoring Download PDFInfo
- Publication number
- CN203732443U CN203732443U CN201420029973.3U CN201420029973U CN203732443U CN 203732443 U CN203732443 U CN 203732443U CN 201420029973 U CN201420029973 U CN 201420029973U CN 203732443 U CN203732443 U CN 203732443U
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- China
- Prior art keywords
- environmental chamber
- electrochemical
- electrochemical reaction
- electrode
- objective table
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 9
- 230000007613 environmental effect Effects 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000003487 electrochemical reaction Methods 0.000 claims abstract description 18
- 230000003287 optical effect Effects 0.000 claims abstract description 12
- 229910052724 xenon Inorganic materials 0.000 claims description 6
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 6
- 239000013307 optical fiber Substances 0.000 claims description 4
- 150000002500 ions Chemical class 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 238000000835 electrochemical detection Methods 0.000 abstract description 3
- 238000000255 optical extinction spectrum Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000002372 labelling Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- -1 nanometer cup array Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model discloses a nanometer photoelectric device for ion monitoring. The nanometer photoelectric device comprises an environmental chamber, an objective table, an electrochemical reaction cavity, an optical detection part and an electrochemical detection circuit board, wherein in the electrochemical reaction cavity, a nanocup array sensor part serving as a working electrode, a reference electrode and a counter electrode form a three-electrode system. The optical transmission spectrum change caused by plasma resonance under the action of current change during an ionic electrochemical reaction is detected, so that ions are detected, and the device has the characteristics that the device is high in selectivity and is difficultly influenced by samples and the like. Moreover, labeling substances are not needed to be detected additionally, the detection process is simplified, and the detection cost is reduced.
Description
Technical field
The utility model relates to a kind of nano photoelectric device for ion monitoring.
Background technology
Occurring in nature, chemical substance often exists with the form of ion, and the mankind's productive life is being brought into play to tremendous influence.At field of medicaments, in human body, DNA and some biology enzymes present anionic nature; Aspect environment, the heavy metal ion such as mercury in water body, lead, cadmium have very large toxicity, threaten health.Therefore, the detection of ion is had important practical significance.Optical detective technology is the various optical properties of utilizing material to have, material is carried out to the detection method of qualitative and quantitative analysis.Wherein, the plasma resonance that the devices use nano-scale structures such as nanometer cup array, nano particle causes carries out ion detection to the impact of optical transmission.It has can be in real time, fast, the feature of non-contact detecting, but in detection, be subject to the impact of light path and sample turbidity and need extra labeled molecule to realize selective response to different ions and higher sensitivity.Electrochemical measuring technique is the method detecting according to the electrochemical properties of electrochemical principle and material.It utilizes the different stripping current potentials of ion to realize specific detection, has good selectivity.The utility model is introduced electrochemical detection method on the basis of optical detection, detects the curent change that ion produces in electrochemical reaction realize the detection to ion by optical means.Traditional single optical detection of comparing, this photoelectricity coupling ion detection device based on nanometer cup array device have selectivity good, be not subject to the advantages such as sample effects, and without extra certification mark material, simplify testing process, reduced testing cost.Therefore, the utility model has broad application prospects in ion detection field.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, and a kind of nano photoelectric device for ion monitoring is provided.
The purpose of this utility model is achieved through the following technical solutions: a kind of nano photoelectric device for ion monitoring, and it comprises: environmental chamber, objective table, electrochemical reaction chamber, optical detection parts and electrochemical sensing circuits plate; Wherein, environmental chamber is made up of environmental chamber base, environmental chamber locating button, environmental chamber shell, fixed support and dataphone interface; Environmental chamber shell is fixed on environmental chamber base by environmental chamber locating button, forms a closed environment; Fixed support is welded on environment base, optical detection parts comprise xenon source and CCD camera, Electrochemical Detection module and xenon source are all fixed in environmental chamber, objective table and CCD camera are arranged on fixed support, and CCD camera conducts optical fiber by signal and is connected with dataphone interface; Electrochemical reaction chamber is placed horizontally on objective table, comprise that electrochemical reference electrode, galvanochemistry are to electrode, nanometer cup array sensing device, nanometer cup array sensing device is positioned over the bottom of the cavity in electrochemical reaction chamber, drawn as working electrode reference electrode and electrode is fixed on to the top of the cavity in electrochemical reaction chamber by wire.
The utlity model has following beneficial effect: the utility model provides a kind of nano photoelectric device for ion monitoring, realize the quantitative detection of ion, have selectivity good, the feature such as highly sensitive and light channel structure is simple, can be widely used in the association area of ion detection.
Brief description of the drawings
Fig. 1 is opto-electronic ignition system that the utility model uses chemistry coupling nanometer cup device testing apparatus one-piece construction figure;
Fig. 2 is the structural drawing in the utility model electrochemical reaction chamber;
In figure: environmental chamber base 1, environmental chamber locating button 2, electrochemical sensing circuits plate 3, environmental chamber shell 4, connection 5, objective table swinging arms 6, xenon source 7, objective table 8, electrochemical reaction chamber 9, CCD camera 10, fixed support 11, conduction optical fiber 12, dataphone interface 13, reference electrode 91, to electrode 92, nanometer cup array sensing device 93.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in detail, but is not restriction the utility model.
As shown in Figure 1-2, the nano photoelectric device for ion monitoring of the present utility model, comprising: environmental chamber, objective table 8, electrochemical reaction chamber 9, optical detection parts, electrochemical sensing circuits plate 3.Wherein, environmental chamber is made up of environmental chamber base 1, environmental chamber locating button 2, environmental chamber shell 4, fixed support 11 and dataphone interface 13.Environmental chamber shell 4 is fixed on environmental chamber base 1 by environmental chamber locating button 2, forms a closed environment; Fixed support 11 is welded on environment base 1.Electrochemical sensing circuits plate 3 and xenon source 7 are all fixed in environmental chamber, and 10 of objective table 8 and CCD cameras are arranged on fixed support 11, by the position of the adjustable objective table 8 of objective table swinging arms 6.CCD camera 10 signal conduction optical fiber 12 lead to dataphone interface 13.Electrochemical reaction chamber 9 comprises that electrochemical reference electrode 91, galvanochemistry are to electrode 92, nanometer cup array sensing device 93, and it is placed horizontally on objective table 8.Nanometer cup array sensing device 93 is positioned over 9 bottoms, electrochemical reaction chamber, is drawn as working electrode by wire, is full of electrolytic solution in cavity, reference electrode 91, electrode 92 is fixed on electrochemical reaction chamber and is immersed in electrolytic solution.
In photoelectricity coupling detects, nanometer cup array sensing device is as working electrode, while utilizing variable concentrations solion generation Electrochemical Stripping, can produce the characteristic of different currents, the optical transmission spectrum that plasma resonance when simultaneously detecting by ion-conductance chemical reaction under size of current change effect causes changes, and has realized the detection to ion.
Claims (1)
1. for a nano photoelectric device for ion monitoring, it is characterized in that, it comprises: environmental chamber, objective table (8), electrochemical reaction chamber (9), optical detection parts and electrochemical sensing circuits plate (3); Wherein, environmental chamber is made up of environmental chamber base (1), environmental chamber locating button (2), environmental chamber shell (4), fixed support (11) and dataphone interface (13); It is upper that environmental chamber shell (4) is fixed on environmental chamber base (1) by environmental chamber locating button (2), forms a closed environment; Fixed support (11) is welded on environment base (1), optical detection parts comprise xenon source (7) and CCD camera (10), electrochemical sensing circuits plate (3) and xenon source (7) are all fixed in environmental chamber, it is upper that objective table (8) and CCD camera (10) are arranged on fixed support (11), and CCD camera (10) conducts optical fiber (12) by signal and is connected with dataphone interface (13); Electrochemical reaction chamber (9) is placed horizontally on objective table (8), comprise that electrochemical reference electrode (91), galvanochemistry are to electrode (92) and nanometer cup array sensing device (93), nanometer cup array sensing device (93) is positioned over the bottom of the cavity in electrochemical reaction chamber (9), drawn as working electrode reference electrode (91) and electrode (92) is fixed on to the top of the cavity in electrochemical reaction chamber (9) by wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420029973.3U CN203732443U (en) | 2014-01-18 | 2014-01-18 | Nanometer photoelectric device for ion monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420029973.3U CN203732443U (en) | 2014-01-18 | 2014-01-18 | Nanometer photoelectric device for ion monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203732443U true CN203732443U (en) | 2014-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420029973.3U Expired - Lifetime CN203732443U (en) | 2014-01-18 | 2014-01-18 | Nanometer photoelectric device for ion monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203732443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776803A (en) * | 2014-01-18 | 2014-05-07 | 浙江大学 | Photoelectricity combined ion detection device and method based on nano cup array device |
-
2014
- 2014-01-18 CN CN201420029973.3U patent/CN203732443U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776803A (en) * | 2014-01-18 | 2014-05-07 | 浙江大学 | Photoelectricity combined ion detection device and method based on nano cup array device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |