CN200953007Y - Non-damage micrometering system utilizing multielectrode measurement - Google Patents
Non-damage micrometering system utilizing multielectrode measurement Download PDFInfo
- Publication number
- CN200953007Y CN200953007Y CN 200620132388 CN200620132388U CN200953007Y CN 200953007 Y CN200953007 Y CN 200953007Y CN 200620132388 CN200620132388 CN 200620132388 CN 200620132388 U CN200620132388 U CN 200620132388U CN 200953007 Y CN200953007 Y CN 200953007Y
- Authority
- CN
- China
- Prior art keywords
- electrode
- ion
- data processing
- microprocessor
- computer data
- 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
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
This is a non-damage micro-metering system of which the multi-electrode is adopted. This system comprises an ion/molecular activity examination cell, an intelligent button, a microprocessor, a signal amplification system, a three-dimensional motion system, a micro-imaging system and a computer data processing system, pertaining to the field of the electrochemical techniques. The computer data processing system connects the microprocessor, the signal amplification system, the three-dimensional motion and the micro-imaging system. The microprocessor is connected with the intelligent button which connects to a plurality of ion/molecule selective electrode. The intelligent button is controlled by the microprocessor to turn on the ion/molecule selective electrodes successively for examination, so that a plurality of the molecules and the ions are measured during the test procedures. Also, the possible signal frequency interference arising from the simultaneous measurement are avoid, so as to facilitate the analysis on the information concerning a plurality of the ions/molecules of the materials to be tested. In this case, marked improvement is achieved for both the measurement mode and data & parameter collection.
Description
Technical field
The present invention relates to a kind of electrochemical appliance of measuring ion and molecule activity information, particularly relate to and adopt ion and the ion of Molecular Selection microelectrode measurement turnover measured material and the non-damage micrometering system of molecule flow rate and directional information, belong to technical field of electrochemistry.
Background technology
Material has the trend of diffusion from the high concentration to the low concentration in liquid environment.For charged particle, also has trend from the high electrochemical electromotive force to low electrochemical potential motion.
The core of non-damage micrometering technology is a selectivity ion microelectrode, select electrode to call ion in the following text, be to form by computer-controlled automatic positioning measurment system evolving development at a cover of nineteen ninety design by K ü htreiber and Jaffe that (K ü htreiber and Jaffe are at J.Cell Biol 1990,110:1565-1573).Ion-selective electrode is to cooperate scan ion to select electrode technology (Scanning IonSelective Electrode Technique:SIET) to measure the ion motion speed and the direction of turnover measured material in the non-damage mode that does not contact measured material.Metal electrode (is used to measure O
2And H
2O
2) and carbon filament electrode (being used to survey NO etc.) be to cooperate scanning polarogram electrode technology (Scanning Polarographic ElectrodeTechnique:SPET) to measure the speed and the direction of molecule turnover measured material in non-invasive mode.Along with ion is selected the progressively perfect of being on the increase of type of electrodes and electronic circuit technology and computer hardware software, the non-damage micrometering technology is widely applied to numerous areas such as fundamental biological knowledge, physiology, Neurobiology and metal erosion research gradually.
People such as Kochian are at original Ca
2+Select to have developed H again in succession on the basis of electrode
+, K
+, Al
3+And Cd
2+Ion-selective electrode, and be applied to the research of corn root and plant toxicology, and for road has been opened up in the application of these electrodes in zooscopy (Kochian etc. are at Planta 1992,188:601-610; Degenhardt etc. are at Plant Physiology 1998,117:19-27; Huang etc. are at Plant Physiology 1992,98:230-237).Subsequently, the SIET technology is applied to the research of whole root, Gen Mao and pollen tube, has illustrated such as correlativity (Cardenas Plant J 1999, the 19:347-352 of calcium ion transportation with measured material internal activity and growth; Feijo Journal of Cell Biology 1999,144:483-496; Felle Plant Physiology 1997,114:39-45).Xu Yue etc. (natural science in 2006 make progress the 16th volume the 3rd phase 262-266 page or leaf) use the non-damage micrometering technology and adopt bipolar electrode to measure H simultaneously
+And O
2, the interior stream of finding hydrionic outflow and oxygen molecule is the main cause that causes the alkalization district.
H can measure in the non-damage microelectrode of available technology adopting system
+, Ca
2+, K
+, Al
3+, K
+, Cd
2+Cl
-And O
2, CO
2, parameters such as the flow rate of NO plasma, molecule and direction, but mainly be that the employing single electrode is used to measure single ionic or molecule, bipolar electrode is measured just other report, and bipolar electrode is measured the signal interference that may cause between the potential electrode simultaneously.We know that the molecule of turnover measured material and the information of ion are complicated, be not that single ion is in activity under many situations, but the activity of a plurality of ions and molecule, because the limitation of existing non-damage micrometering commercial measurement mode, so be difficult to obtain the comprehensive information of a plurality of ionic/molecular activities, in time correlativity between them particularly, this bring difficulty can for undoubtedly result's explanation, even the conclusion that leads to errors.
The utility model content
Adopt single electrode or bipolar electrode to measure the deficiency that institute's information that obtains is less and may have the signal interference when adopting bipolar electrode to measure between the electrode for overcoming prior art, the utility model is improved on metering system, under the support of computer software, adopt multi-electrode to measure the flow rate and the direction of a plurality of molecules and ion, so that better obtain the ion and the molecular information of turnover measured material.
The technical scheme that the existing in prior technology technical matters that solves the utility model is adopted is: a kind of non-damage micrometering system that adopts multi-electrode to measure is provided, comprise: the ionic/molecular activity detecting unit, intelligent switch, microprocessor, signal amplifying system, three-dimensional motion system, micro imaging system and computer data processing system, computer data processing system connects microprocessor, microprocessor and then control intelligent switch, intelligent switch is connected a plurality of ion more successively and is selected electrode, a plurality of ion select electrode to measure the ion of turnover measured material and the information of molecule successively, and the activity of a plurality of ion of analyzing measured material is measured and be beneficial to the realization multi-electrode.
Describing each parts of system of the present utility model below in detail forms and structural relation.
Described ionic/molecular activity detecting unit comprises a contrast electrode, a plurality of ion selection electrode, measured material, liquid medium and detection receptacle.A plurality of ion select electrode to be fixed on the mechanical arm of three-dimensional stepper motor, and contact conductor is connected with intelligent switch.It can be that glass electrode, metal electrode, carbon filament electrode, fibre electrode or other specificity are selected electrode that a plurality of ion are selected electrode.Other material that measured material can be unicellular, many cells, histoorgan, metal material and surface have ionic/molecular activity.Contrast electrode ground connection, contrast electrode will maintain a certain distance apart from measured material, to avoid interference measuring-signal.Contrast electrode, measured material and a plurality of ion select electrode to place liquid medium, and a plurality of ion electrodes require the close-in measurement measured material, preferably apart from measured material 5-35 micron.
Described micro imaging system comprises microscope and video camera, and microscope can be a simple microscope, also can be other optical microscope, and microscope is connected with electrode movement controller and video camera respectively, and video camera is connected with computer data processing system.Microscope can adopt manually or computer is controlled focusing automatically and selected electrode to carry out the real-time monitoring and the seizure of image to measured material and a plurality of ion in whole measuring process, Jian Kong information and image are transferred in the picture catching card of computing machine simultaneously, thereby realize the real-time monitoring of measurement and the storage of image.
Described three-dimensional motion system comprises electrode movement controller and three-dimensional stepper motor, the electrode movement controller respectively with computer data processing system, the microscope of three-dimensional stepper motor and micro imaging system connects, under the control of computing machine, select electrode to carry out three-dimensional motion control by three-dimensional stepper motor to a plurality of ion on the one hand, make a plurality of ion select electrode to gather the information of turnover measured material ion activity successively in the mode of three-dimensional motion, the electrode movement controller carries out automatic focusing to the microscope of micro imaging system on the other hand, so that select electrode and measured material to monitor in real time to a plurality of ion in measuring process.
Described signal amplifying system comprises prime amplifier and differential amplifier, each ion detection signal is input to prime amplifier successively by intelligent switch, prime amplifier connects differential amplifier, detection signal is handled through A/D converter and D/A converter respectively after entering differential amplifier, remove background voltage differential signal noise, the most a plurality of ion select electrode detection to the ion active signal amplify and surpass 1000 times and output to computer data processing system later on.
Described microprocessor is connected with computer data processing system and intelligent switch respectively, control intelligent switch after the electrode detection order of microprocessor receiving computer data handling system, make intelligent switch connect a plurality of ion successively and select electrode, can realize a plurality of ion are selected the Intelligent Measurement control of electrode.
Described computer data processing system comprises A/D converter and D/A converter, data processing software and computer operating system, serial line interface, parallel interface and picture catching card, output to data processing software and computer operating system after ion detection signal process A/D converter and D/A converter are handled, realize that collection, storage, analysis and the hyperchannel of ion and molecular signal shows the recorded data parameter.Data processing software on computer screen, provide multiparameter set window, be used to write down the real-time video data of hyperchannel of ion action message record window, be used to analyze recorded data analysis window etc.Simultaneously, computer data processing system by parallel interface respectively with electrode movement controller and picture catching card connection, adopt programmable mode control electrode motion controller on the one hand, realize that a plurality of ion select the three-dimensional motion of electrode 1-2, so that in real time, dynamically measured material is measured; Receive real-time monitor message by the picture catching clamping on the other hand, be implemented in the real-time monitoring in the whole measuring process and the storage of image from micro imaging system.
Describe structural relation and circuit relation between each parts of total system of the present utility model below in detail.
A plurality of ion select electrode to be fixed on the mechanical arm of three-dimensional stepper motor, a plurality of ion select the lead-in wire of electrode to be connected with intelligent switch, intelligent switch is connected with prime amplifier in the signal amplifying system with microprocessor respectively, microprocessor is connected with computer data processing system by serial line interface, prime amplifier is connected with differential amplifier, differential amplifier is connected with computer data processing system, computer data processing system also is connected with micro imaging system with the electrode movement controller respectively, and the electrode movement controller is connected with the microscope of three-dimensional stepper motor and micro imaging system respectively.
When a plurality of ion select the electrode pair measured material to detect, by computer data processing system domination microprocessor, microprocessor and then control intelligent switch are connected a plurality of ion successively and are selected electrode, thereby each detection signal is outputed to signal amplifier successively by intelligent switch, the machine data disposal system is carried out data analysis and processing as calculated again, shows and the analysis recorded data by the computer screen hyperchannel; Simultaneously, computer data processing system is connected with micro imaging system by the picture catching card in measuring process, thereby realizes selecting electrode to carry out picture catching in real time and monitoring to measured material and a plurality of ion in the test process; In addition, computer data processing system is connected with the electrode movement controller in measuring process, the electrode movement controller is connected with the microscope of three-dimensional stepper motor and micro imaging system respectively, the electrode movement controller realizes a plurality of ion are selected the three-dimensional motion control of electrode by three-dimensional stepper motor on the one hand, the electrode movement controller carries out automatic focusing to the microscope of micro imaging system on the other hand, so that select electrode and measured material to monitor in real time to a plurality of ion in measuring process.
The beneficial effects of the utility model are, the non-damage micrometering system that adopts multi-electrode to measure, connect microprocessor by computer data processing system, microprocessor is further controlled intelligent switch, measure a plurality of ion flow rates and directional information successively, realized the measurement of a plurality of molecules and ion in the testing process, simultaneously also avoided multi-electrode to measure phase mutual interference between the caused detection signal simultaneously, thereby more help analyzing the activity of a plurality of ion of measured material, make non-damage micrometering system on metering system and data parameter acquisition amount, all significantly be improved.
Description of drawings
The non-damage micrometering system that Fig. 1 employing multi-electrode of the present utility model is measured is formed synoptic diagram.
The non-damage micrometering system circuit theory diagrams that Fig. 2 employing multi-electrode of the present utility model is measured.
Embodiment
Below in conjunction with drawings and Examples the utility model is described further.
As shown in Figure 1, the non-damage micrometering system of multi-electrode measurement comprises ionic/molecular activity detecting unit 1, intelligent switch 2, micro imaging system 3, three-dimensional motion system 4, signal amplifying system 5, microprocessor 6 and computer data processing system 7.
Ionic/molecular activity detecting unit 1 comprises a contrast electrode 1-1, a plurality of ion selection electrode 1-2, measured material 1-3, liquid medium 1-4 and detection receptacle 1-5, existing ion selects electrode to comprise glass electrode, metal electrode, carbon filament electrode, fibre electrode and other specificity selection electrode, can measure H
+, Ca
2+, K
+, Al
3+, Cd
2+, Cl
-And O
2, CO
2, parameters such as the flow rate of NO plasma, molecule and direction.Other material that measured material 1-3 can be unicellular, many cells, histoorgan, metal material and surface have the ionic molecule activity, measured material 1-3, contrast electrode 1-1 and a plurality of ion select electrode 1-2 to measure in liquid medium 1-4.Contrast electrode 1-1 ground connection, contrast electrode 1-1 and measured material 1-3 will have certain distance, to avoid the interference to detection signal.A plurality of ion select the distance of electrode 1-2 and measured material 1-3 to want near, are preferably between the 5-35 micron.
Specify embodiment of the present utility model below in conjunction with Fig. 1 and Fig. 2.
A plurality of ion select electrode 1-2 to be fixed on the mechanical arm of three-dimensional stepper motor 4-2, a plurality of ion select the lead-in wire of electrode 1-2 to be connected with intelligent switch 2, intelligent switch 2 is connected with prime amplifier 5-1 in the signal amplifying system 5 with microprocessor 6 respectively, microprocessor 6 is connected with computer data processing system 7 by serial line interface 7-4, prime amplifier 5-1 is connected with differential amplifier 5-2, differential amplifier 5-2 is connected with computer data processing system 7, computer data processing system 7 also is connected with micro imaging system 3 with electrode movement controller 4-1 respectively, and electrode movement controller 4-1 is connected with the microscope 3-1 of three-dimensional stepper motor 4-2 and micro imaging system 3 respectively.
When a plurality of ion select electrode 1-2 to detect, computer data processing system 7 is by a serial line interface 7-4 domination microprocessor 6, microprocessor 6 and then control intelligent switch 2 are connected a plurality of ion successively and are selected electrode 1-2, thereby each ion detection signal is outputed to prime amplifier 5-1 successively by intelligent switch 2, detection signal is handled through A/D converter 7-1 and D/A converter 7-2 respectively after entering differential amplifier 5-2, remove background voltage differential signal noise, the most a plurality of ion are selected the detected ion active signal of electrode 1-2 to amplify after 1000 times and are input to data processing software and computer operating system 7-3, carry out data analysis and processing through data processing software, show and the analysis recorded data by the computer screen hyperchannel; Simultaneously, computer data processing system 7 is connected with micro imaging system 3 by picture catching card 7-6 in measuring process, thereby realizes selecting electrode 1-2 to carry out picture catching in real time and monitoring to measured material 1-3 and a plurality of ion in the test process; In addition, computer data processing system 7 is connected with electrode movement controller 4-1 in measuring process, electrode movement controller 4-1 is connected with the microscope 3-1 of three-dimensional stepper motor 4-2 and micro imaging system 3 respectively, electrode movement controller 4-1 realizes a plurality of ion are selected the three-dimensional motion control of electrode 1-2 by three-dimensional stepper motor 4-2 on the one hand, electrode movement controller 4-1 carries out automatic focusing to the microscope 3-1 of micro imaging system 3 on the other hand, so that select electrode 1-2 and measured material 1-3 to monitor in real time to a plurality of ion in measuring process.
Above embodiment adopts computer data processing system 7 control microprocessor 6, microprocessor 6 is control intelligent switch 2 further, select electrode 1-2 to measure the action message of each ion successively by a plurality of ion, realized in the testing process measurement to a plurality of molecules and ion, simultaneously also avoided multi-electrode to measure phase mutual interference possible between the caused detection signal simultaneously, thereby more help analyzing the activity of a plurality of ion of measured material, make and on metering system and data parameter acquisition amount, all significantly improved.
Claims (10)
1, a kind of non-damage micrometering system that adopts multi-electrode to measure, comprise ionic/molecular activity detecting unit (1), micro imaging system (3), three-dimensional motion system (4), signal amplifying system (5) and computer data processing system (7), it is characterized in that: also comprise intelligent switch (2) and microprocessor (6), a plurality of ion select electrode (1-2) to be fixed on the mechanical arm of three-dimensional stepper motor (4-2), a plurality of ion select the lead-in wire of electrode (1-2) to be connected with intelligent switch (2), intelligent switch (2) is connected with prime amplifier (5-1) with microprocessor (6) respectively, microprocessor (6) is connected with computer data processing system (7) by serial line interface (7-4), prime amplifier (5-1) is connected with differential amplifier (5-2), differential amplifier (5-2) is connected with computer data processing system (7), computer data processing system also (7) is connected with micro imaging system (3) with electrode movement controller (4-1) respectively, and electrode movement controller (4-1) is connected with the microscope (3-1) of three-dimensional stepper motor (4-2) and micro imaging system (3) respectively.
2, the non-damage micrometering system of employing multi-electrode measurement according to claim 1, it is characterized in that: ionic/molecular activity detecting unit (1) comprises a contrast electrode (1-1), a plurality of ion selection electrode (1-2), measured material (1-3), liquid medium (1-4) and detection receptacle (1-5), and it can be that glass electrode, metal electrode, carbon filament electrode, fibre electrode or other specificity are selected electrode that a plurality of ion are selected electrodes (1-2).
3, the non-damage micrometering system measured of employing multi-electrode according to claim 2 is characterized in that: other material that measured material (1-3) can be unicellular, many cells, histoorgan, metal material and surface have ionic/molecular activity.
4, the non-damage micrometering system of employing multi-electrode measurement according to claim 1, it is characterized in that: contrast electrode during measurement (1-1) ground connection, a plurality of ion electrodes (1-2) are fixed on the three-dimensional stepper motor (4-2), a plurality of ion electrodes (1-2) require close-in measurement measured material (1-3), preferably apart from measured material (1-3) 5-35 micron.
5, the non-damage micrometering system of employing multi-electrode measurement according to claim 1, it is characterized in that: computer data processing system (7) connects microprocessor (6) by a serial line interface (7-4), microprocessor (6) control intelligent switch (2) is connected a plurality of ion successively and is selected electrode (1-2), and each ion detection signal outputs to prime amplifier (5-1) successively by intelligent switch (2).
6, the non-damage micrometering system of employing multi-electrode measurement according to claim 1, it is characterized in that: a plurality of ion select the lead-in wire of electrode (1-2) to be connected with intelligent switch (2), intelligent switch (2) is connected with prime amplifier (5-1), detection signal is handled through A/D converter (5-3) and D/A converter (5-4) respectively after entering differential amplifier (5-2), remove background voltage differential signal noise, output after the most a plurality of ion select the detected ion active signal amplification of electrode (1-2) to surpass 1000 times.
7, the non-damage micrometering system of employing multi-electrode measurement according to claim 1 is characterized in that: detection data and real-time monitor message that computer data processing system (7) is write down by demonstration of computer screen hyperchannel and analysis.
8, the non-damage micrometering system of employing multi-electrode measurement according to claim 1, it is characterized in that: computer data processing system (7) is connected with electrode movement controller (4-1), electrode movement controller (4-1) connects three-dimensional stepper motor (4-2), and three-dimensional stepper motor (4-2) drives a plurality of ion and selects electrode (1-2) to carry out three-dimensional motion in whole measuring process.
9, the non-damage micrometering system of employing multi-electrode measurement according to claim 1, it is characterized in that: computer data processing system (7) is connected with micro imaging system (3), monitors the situation that a plurality of ion are selected electrode (1-2) and measured material (1-3) in real time.
10, the non-damage micrometering system of employing multi-electrode measurement according to claim 1, it is characterized in that: electrode movement controller (4-1) is connected with microscope (3-1) in the micro imaging system (3), microscope (3-1) can be simple microscope or other optical microscope, both can pass through manual focusing, also can the computer automatic focusing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620132388 CN200953007Y (en) | 2006-08-18 | 2006-08-18 | Non-damage micrometering system utilizing multielectrode measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620132388 CN200953007Y (en) | 2006-08-18 | 2006-08-18 | Non-damage micrometering system utilizing multielectrode measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200953007Y true CN200953007Y (en) | 2007-09-26 |
Family
ID=38811308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620132388 Expired - Lifetime CN200953007Y (en) | 2006-08-18 | 2006-08-18 | Non-damage micrometering system utilizing multielectrode measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200953007Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101988899A (en) * | 2009-07-31 | 2011-03-23 | 旭月(北京)科技有限公司 | Optical method for measuring molecule/ion flow information |
| CN101988914A (en) * | 2009-07-31 | 2011-03-23 | 旭月(北京)科技有限公司 | Full-automatic non-invasive micro-test technology |
| CN102297920A (en) * | 2010-06-28 | 2011-12-28 | 株式会社岛津制作所 | Discharge ionization current detector |
| CN101363839B (en) * | 2008-09-12 | 2012-02-08 | 首都师范大学 | Non-damage micrometering system for observating biological sample with fluorescent |
| CN102455375A (en) * | 2010-10-20 | 2012-05-16 | 旭月(北京)科技有限公司 | Automatic scanning oscillation electrode technology |
| CN101696952B (en) * | 2009-10-21 | 2012-08-29 | 首都医科大学 | Automatic scanning non-injurious micro-test system for tissue surface |
| CN101609065B (en) * | 2008-06-20 | 2013-03-27 | 旭月(北京)科技有限公司 | Technology for automatic scanning micro-test of ionic/molecular activity |
| CN105510417A (en) * | 2016-01-07 | 2016-04-20 | 旭月(北京)科技有限公司 | Indoleacetic acid sensor applied to non-invasive micro-test system and preparation method of indoleacetic acid sensor |
| CN109541133A (en) * | 2018-09-26 | 2019-03-29 | 中国农业科学院茶叶研究所 | A kind of early stage Nondestructive Identification method of tea tree nitrogen absorbability |
| CN112903787A (en) * | 2021-01-18 | 2021-06-04 | 北京农业智能装备技术研究中心 | Plant ion absorption multi-parameter detection device and system |
-
2006
- 2006-08-18 CN CN 200620132388 patent/CN200953007Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101609065B (en) * | 2008-06-20 | 2013-03-27 | 旭月(北京)科技有限公司 | Technology for automatic scanning micro-test of ionic/molecular activity |
| CN101363839B (en) * | 2008-09-12 | 2012-02-08 | 首都师范大学 | Non-damage micrometering system for observating biological sample with fluorescent |
| CN101988899A (en) * | 2009-07-31 | 2011-03-23 | 旭月(北京)科技有限公司 | Optical method for measuring molecule/ion flow information |
| CN101988914A (en) * | 2009-07-31 | 2011-03-23 | 旭月(北京)科技有限公司 | Full-automatic non-invasive micro-test technology |
| CN101988914B (en) * | 2009-07-31 | 2013-11-06 | 旭月(北京)科技有限公司 | Full-automatic non-invasive micro-test technology |
| CN101696952B (en) * | 2009-10-21 | 2012-08-29 | 首都医科大学 | Automatic scanning non-injurious micro-test system for tissue surface |
| CN102297920A (en) * | 2010-06-28 | 2011-12-28 | 株式会社岛津制作所 | Discharge ionization current detector |
| CN102297920B (en) * | 2010-06-28 | 2014-04-16 | 株式会社岛津制作所 | Discharge ionization current detector |
| CN102455375A (en) * | 2010-10-20 | 2012-05-16 | 旭月(北京)科技有限公司 | Automatic scanning oscillation electrode technology |
| CN105510417A (en) * | 2016-01-07 | 2016-04-20 | 旭月(北京)科技有限公司 | Indoleacetic acid sensor applied to non-invasive micro-test system and preparation method of indoleacetic acid sensor |
| CN109541133A (en) * | 2018-09-26 | 2019-03-29 | 中国农业科学院茶叶研究所 | A kind of early stage Nondestructive Identification method of tea tree nitrogen absorbability |
| CN112903787A (en) * | 2021-01-18 | 2021-06-04 | 北京农业智能装备技术研究中心 | Plant ion absorption multi-parameter detection device and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200953007Y (en) | Non-damage micrometering system utilizing multielectrode measurement | |
| US11249046B2 (en) | Methods and systems for analysis | |
| JP4740664B2 (en) | Microbial test chip and microbiological test method | |
| CN201440126U (en) | Non-damage micro-detecting system with optical segregant detection device | |
| CN109613090A (en) | Sea urchin type is Prussian blue-palladium core-shell structure load nitrogen-doped graphene nanocomposite and its electrode being prepared and application | |
| CN105891294A (en) | Method for detecting heavy metal ions by electrochemical analysis | |
| Wonsawat et al. | Highly sensitive determination of cadmium and lead using a low-cost electrochemical flow-through cell based on a carbon paste electrode | |
| CN108562635A (en) | A kind of fouling membrane in-situ monitoring device based on Zeta potential and Electrical Impedance Spectroscopy technology | |
| CN204514850U (en) | A kind of galvanochemistry the cannot-harm-detection device detecting cracks of metal surface | |
| CN200953008Y (en) | Non-damage micrometering system with mobile device and wireless transmission device | |
| CN105004781A (en) | Dopamine detecting method based on paper-base electrochemistry device | |
| CN105319248A (en) | Electro-chemical nondestructive detection device and method for detecting metal surface defects | |
| Shipley et al. | The use of the vibrating probe technique to study steady extracellular currents during pollen germination and tube growth | |
| CN110044980A (en) | Application of the pyrophosphoric acid cobalt nano material in building nitric oxide electrochemical sensor | |
| CN104569122B (en) | Method for detecting concentration of copper ions in solution | |
| CN107121484B (en) | A kind of electrochemical method of Sensitive Detection glyphosate | |
| CN106680355B (en) | Utilize the method for sunset yellow in carbon onion supporting Pt nano particle composite material detection food | |
| US20030111993A1 (en) | Method and system for voltammetric characterization of a liquid sample | |
| CN114002131B (en) | Cell electrochemistry and electrophysiology combined detection device and detection method | |
| CN109444229A (en) | A kind of electrochemical method detecting trace amount mercury ion | |
| Kovács et al. | Automatic target location strategy–a novel approach in scanning electrochemical microscopy | |
| CN101046463A (en) | Microscopic electrochemical analyzer | |
| CN101609065B (en) | Technology for automatic scanning micro-test of ionic/molecular activity | |
| Ramos et al. | Pitting corrosion characterization by SVET applying a synchronized noise suppression technique | |
| Li et al. | Fabrication of size-controllable ultrasmall-disk electrode: monitoring single vesicle release kinetics at tiny structures with high spatio-temporal resolution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070926 |
|
| EXPY | Termination of patent right or utility model |