CN105158308A - Manufacturing method of tooth tattoo biosensor device for oral hygiene testing - Google Patents

Manufacturing method of tooth tattoo biosensor device for oral hygiene testing Download PDF

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Publication number
CN105158308A
CN105158308A CN201510540851.XA CN201510540851A CN105158308A CN 105158308 A CN105158308 A CN 105158308A CN 201510540851 A CN201510540851 A CN 201510540851A CN 105158308 A CN105158308 A CN 105158308A
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line tooth
electrodes
electrode
substrate
detection
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刘剑
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Shandong University
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Shandong University
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Abstract

The invention discloses a manufacturing method of a tooth tattoo biosensor device for oral hygiene testing. The manufacturing method includes manufacturing of a tooth tattoo biosensor and preparing of wireless communication modules or data lines. The manufacturing of the tooth tattoo biosensor includes the steps of 1), manufacturing sensor electrodes, electrode leads and electrode contacts on a substrate, 2) printing carbon paste layers on a working electrode and a reference electrode of three electrodes and then drying the same, 3) printing a tooth tattoo image on the substrate while keeping the three electrodes and the contacts of the sensor exposed rather than being covered by the tooth tattoo image, and then drying and curing the tooth tattoo image, and 4) immobilizing and curing enzymes, electron mediators and carbon-nano tube sensitive materials on the exposed three electrodes, and preserving in a refrigerator at the temperature of 4 DEG C. The wireless communication modules or data lines prepared brings convenience to connection between the tooth tattoo biosensor and a feeble-signal detection module to achieve data communication. The tooth tattoo biosensor device manufactured by the method takes a short time for testing, realizes quantitative and accurate testing, is attractive and trendy and accordingly is accessible to the young people.

Description

For the preparation method of the line tooth biosensor arrangement that oral hygiene detects
Technical field
The present invention relates to field of biomedicine technology, be specifically related to a kind of preparation method of line tooth (tooth is tatooed) biosensor arrangement for oral hygiene detection.
Background technology
" tooth is tatooed " becomes the trend that smark set competitively imitates recently at home and abroad.A lot of people can select the pattern oneself liked to decorate the tooth of oneself, mark, the cartoon character of certain football team of state such as liked, or the symbol etc. that representative is liked.Tooth is tatooed has become the fashionable new lover leted others have a look at abroad, promotes gradually.
Oral health state is the mirror of reflection life and health quality, and the generation of human body diseases often produces the kind of biomolecule or the change of quantity in vivo, and these changes also can be reflected by oral secretion.Such as, in saliva of buccal cavity, the concentration of glucose and the concentration of glucose in blood are positively related under certain controlled condition, can be assessed the concentration of human body glucose in blood by the concentration detecting glucose in saliva to a certain extent.So the concentration detecting glucose in saliva may be used for glucose controlling extent in examination diabetes patient or assessment diabetes human body.Such as, oral cavity Tooth surface lactic acid content becomes certain relation with dental surface bacterial number, can infer Buccodental surface bacteria quantity by detecting dental surface lactic acid content.Also have, in saliva of buccal cavity, lactic acid content becomes positive correlation with lactic acid content in human body, human body lactic acid content reflection fatigue level of human body or cardiac status, the important indicator passing judgment on athlete's physique, so the physical state of experimenter can be assessed by detecting lactic acid content in saliva of buccal cavity.
Radioimmunoassays (RIAs), high pressure liquid chromatographic analysis method, protein analyzer, various diagnostic kit and immunity-chromatography test strip etc. are had clinically at present to the common detection methods of content of material in saliva, the shortcomings such as these methods exist radioactive contamination, need large-scale instrument, length consuming time, cost are high, can not quantitatively detect, application clinically has certain limitation.
Summary of the invention
The object of the invention is for overcoming above-mentioned the deficiencies in the prior art, a kind of preparation method of the line tooth biosensor arrangement for oral hygiene detection is provided, the method is short for detection time, can realize quantitatively accurately detecting, detecting instrument miniature portable, but also attractive in appearance modish, be easy to young man and accept.
For achieving the above object, the present invention adopts following technical proposals:
A kind of preparation method of the line tooth biosensor arrangement for oral hygiene detection, described line tooth biosensor arrangement, comprise line tooth biology sensor, communication module and Detection of Weak Signals module, communication module is connected with Detection of Weak Signals module with the contact of line tooth biology sensor respectively, obtain the output signal of line tooth biology sensor, and by Signal transmissions to Detection of Weak Signals module; Described line tooth biology sensor comprises sensitive material fixing on substrate, line tooth image, three electrodes combined with line tooth image and electrode, described three electrodes are fixed on the diverse location of the same face on substrate, three electrodes are connected with three contacts being positioned at substrate one edge independent of each other respectively by different contact conductors, that face of substrate that contact conductor is set is coated with line tooth image layer, and three electrodes and three contacts are exposed to outside line tooth image layer;
Preparation method's step is as follows:
1) on substrate, printed electrode contact, contact conductor and three electrodes are starched with silver or silver-colored silver chloride, and dry process;
2) on working electrode and contrast electrode, carbon paste layer is printed, and dry process;
3) on substrate, print line tooth image, note making the contact of 3 electrodes and sensor expose, can not be covered by line tooth image, drying also solidifies line tooth image;
4) immobilized enzyme, electron mediator and carbon nano-tube sensitive material on three electrodes exposed, and solidify, put 4 DEG C of Refrigerator stores;
5) prepare wireless communication module or data line, conveniently line tooth biology sensor is connected with Detection of Weak Signals module, carries out data communication.
A kind of preparation method of the line tooth biosensor arrangement for oral hygiene detection, described line tooth biosensor arrangement, comprise line tooth biology sensor, communication module and Detection of Weak Signals module, communication module is connected with Detection of Weak Signals module with the contact of line tooth biology sensor respectively, obtain the output signal of line tooth biology sensor, and by Signal transmissions to Detection of Weak Signals module; Described line tooth biology sensor comprises sensitive material fixing on substrate, line tooth image, three electrodes combined with line tooth image and electrode, described three electrodes are fixed on the diverse location of the same face on substrate, three electrodes are connected with three contacts being positioned at substrate one edge independent of each other respectively by different contact conductors, that face of substrate that contact conductor is set is coated with line tooth image layer, and three electrodes and three contacts are exposed to outside line tooth image layer;
Preparation method's step is as follows:
1) on substrate, make mask, mask covers the place not needing to make electrode, contact conductor and electrode contacts, and the place needing to make electrode, contact conductor and electrode contacts is exposed;
2) in sputtering stove, conveniently sputtering technology sputters thin film gold on the membraneous material being coated with mask, and thickness is 100-200 dust;
3) tear mask, non-biocompatible thin film's material is formed electrode, contact conductor and electrode contacts;
4) on substrate, print line tooth image, attention must make electrode and electrode contacts expose, and can not be covered by line tooth image, and line tooth image can go between by coated electrode, and drying also solidifies line tooth image;
5) immobilized enzyme, electron mediator and carbon nano-tube sensitive material on three electrodes exposed, and solidify, put 4 DEG C of Refrigerator stores;
6) prepare wireless communication module or data line, conveniently line tooth biology sensor is connected with Detection of Weak Signals module, carries out data communication.
Communication module in the present invention is for can there be two kinds of communication modes, a kind of is by wireless form, the contact of communication module with line tooth biology sensor is connected, obtain the output signal of line tooth biology sensor, and signal is spread out of in the mode of wireless telecommunications, receiving trap obtains the output signal of sensor; Another kind is wired form, is connected the contact of Detection of Weak Signals module with line tooth biology sensor, directly obtains the output signal of line tooth biology sensor.
Wireless communication mode is measured, and measured arbitrarily can walk about within the specific limits and speak, and does not affect normal activity; Wire communication mode, because have wire by oral cavity by line tooth biology sensor and Detection of Weak Signals model calling, possible some effects measured is movable or speak.
Described wireless communication module is bluetooth, infrared light or radio frequency.
Described wireless communication module is the microstructure that plant teeth crevice is carried with.
Described substrate employing one is harmless and Undec non-biocompatible thin film's material is prepared from oral cavity, such as: nitrocellulose, collagen, gelatin, shitosan, Sodium Hyaluronate, eggshell membrane, tetrafluoroethene or PLA.
Described three electrodes are that gold or carbon inactive, conductive material are prepared from, and three electrodes are respectively working electrode, contrast electrode and the 3rd electrode.
Described contact conductor and contact are made by silver, gold, carbon or silver-colored silver chloride material.
Described sensitive material is formed by the solidification of enzyme, electron mediator and carbon nano-tube.The enzyme class of fixing have relation with the composition that will survey, such as: measure lactic acid and fix Lactate Oxidase, measure glucose fixing glucose oxidase.
Line tooth biology sensor can measure the composition of many kinds of substance in oral cavity, measure different compositions, different enzymes is fixed when making biology sensor, such as, utilize the lactic acid content in line tooth biology sensor measurement oral cavity, so need fixing Lactate Oxidase when making line tooth sensor; The content of glucose in oral cavity to be measured for another example, so need fixing glucose oxidase when making line tooth sensor.Described Detection of Weak Signals module comprises central processing element, pin-saving chip, Signal Collection and amplify chip, communication chip, sensor contact interface and peripheral circuit thereof, and pin-saving chip, Signal Collection and amplify chip, communication chip, sensor contact interface and peripheral circuit thereof all communicate with central processing element;
Described central processing element stores the executive routine of detection module, and performs corresponding instruction and action according to procedure order;
Described pin-saving chip is for storing the measurement result of the line tooth biology sensor of detection module acquisition;
Described Signal Collection and amplify chip is for gathering the feeble signal of line tooth biology sensor and signal being amplified process;
Described communication chip is for realizing the connecting communication of Detection of Weak Signals module and host computer;
Described sensor contact interface is connected with the contact of line tooth biology sensor, provides voltage and survey sensor output current to sensor, and wherein the concentration of the size sensor test substance of current output sensor is correlated with.
The present invention caters to youthful trend, a kind of line tooth (tooth is tatooed) biosensor arrangement detected for oral hygiene is disclosed, to detect in saliva compared with material concentration with the large-scale Biochemical Analyzer of tradition, this device can overcome problems of the prior art, can realize detecting oral hygiene, do not need large-scale instrument again, detection time of the present invention is short, can realize quantitatively accurately detecting, detecting instrument miniature portable, but also attractive in appearance modish, being easy to young man and accepting, is a kind of newest form of oral hygiene pick-up unit.
Accompanying drawing explanation
Fig. 1 is a line tooth image;
Fig. 2 is three electrodes combined with line tooth image;
Fig. 3 be combined with line tooth image before line tooth biosensor structure schematic diagram;
Fig. 4 is wireless communication module schematic diagram;
Fig. 5 is Detection of Weak Signals module diagram;
Fig. 6 is examples measure result figure;
Wherein, 1. the 3rd electrode, 2. working electrode, 3. contrast electrode, 4. contact, 5. contact conductor, 6. substrate, 7. central processing element, 8. pin-saving chip, 9. Signal Collection and amplify chip, 10. communication chip, 11. sensor contact interfaces, 12. peripheral circuits.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
Embodiment 1:
The technique of the line tooth biology sensor utilizing screen printing technique to detect for the preparation of oral hygiene is as follows:
1) at the upper silver of non-biocompatible thin film's material (i.e. substrate 6) or silver-colored silver chloride slurry printed electrode contact 4, contact conductor 5 and three electrodes, and dry process;
2) on working electrode 2 and contrast electrode 3, carbon paste layer is printed, and dry process;
3) at membraneous material (substrate 6) upper printing line tooth image, note making the contact 4 of 3 electrodes and sensor expose, can not be covered by line tooth image.Drying also solidifies line tooth image;
4) immobilized enzyme, electron mediator and carbon nano-tube sensitive material on three electrodes exposed, and solidify, put 4 DEG C of Refrigerator stores.
5) prepare wireless communication module or data line, conveniently line tooth biology sensor is connected with Detection of Weak Signals module, carries out data communication.
Embodiment 2:
The technique of the line tooth biology sensor utilizing sputtering technology to detect for the preparation of oral hygiene is as follows:
1) on non-biocompatible thin film's material (i.e. substrate 6), make mask, mask covers the place not needing to make electrode, contact conductor and electrode contacts, and the place needing to make electrode, contact conductor and electrode contacts is exposed;
2) in sputtering stove, conveniently sputtering technology sputters thin film gold on the membraneous material being coated with mask, and thickness is about 100-200 dust;
3) tear mask, non-biocompatible thin film's material is formed electrode, contact conductor and electrode contacts 4;
4) at membraneous material (substrate 6) upper printing line tooth image, attention must make electrode and electrode contacts 4 expose, and can not be covered by line tooth image, and line tooth image can coated electrode lead-in wire 5.Drying also solidifies line tooth image;
5) immobilized enzyme, electron mediator and carbon nano-tube sensitive material on three electrodes exposed, and solidify, put 4 DEG C of Refrigerator stores.
6) prepare wireless communication module or data line, conveniently line tooth biology sensor is connected with Detection of Weak Signals module, carries out data communication.
The line tooth biosensor arrangement detected for oral hygiene has two kinds of structures, and one is as follows:
As Figure 1-Figure 4, for the line tooth biosensor arrangement that oral hygiene detects, comprise line tooth biology sensor, wireless communication module and Detection of Weak Signals module, described wireless communication module has two groups, one group is connected with the contact 4 of line tooth biology sensor, obtain the output signal of line tooth biology sensor, and signal is spread out of in the mode of wireless telecommunications, another group is connected with Detection of Weak Signals module, identifies the output signal of reception line tooth biology sensor and is transferred to Detection of Weak Signals module; As shown in Figure 4.Wireless communication module is bluetooth, infrared light or radio frequency.Wireless communication module is the microstructure that plant teeth crevice is carried with, and does not affect oral cavity normal function.
As shown in Figure 3, line tooth biology sensor comprises sensitive material fixing on substrate 6, line tooth image, three electrodes combined with line tooth image and electrode, described three electrodes are fixed on the diverse location of the same face on substrate 6, three electrodes are connected with three contacts 4 being positioned at substrate 6 one edge independent of each other respectively by different contact conductors 5, that face of substrate 6 that lead-in wire is set is coated with line tooth image layer, and three electrodes and three contacts 4 are exposed to outside line tooth image layer.
As shown in Figure 1, what line tooth image adopted is a kind of harmless, not decompose in oral cavity and to keep the material of its CF, this kind of material is existing technology, all can buy in the market, belongs to known technology, does not repeat them here.
Substrate 6 adopts a kind of harmless and Undec non-biocompatible thin film's material is prepared from oral cavity, such as: nitrocellulose, collagen, gelatin, shitosan, Sodium Hyaluronate, eggshell membrane, tetrafluoroethene or PLA.
Three electrodes are that gold or carbon inactive, conductive material are prepared from, and three electrodes are respectively working electrode 2, contrast electrode 3 and the 3rd electrode 1.As shown in Figure 2.
Contact conductor 5 and contact are made by silver, gold, carbon or silver-colored silver chloride material.Method for making is sputtering, evaporation or printing.
Sensitive material is formed by the solidification of enzyme, electron mediator and carbon nano-tube.Electrode fixing sensitive material, such as enzyme, is to make sensor have specificity, only reacts with a kind of composition (such as lactic acid) in oral cavity or only detects concentration (such as oral bacteria quantity) that is a kind of or a class material; Fixing electron mediator accelerates electron transmission between enzyme and electrode; Fixing nano particle is the susceptibility in order to increase sensor, improves the sensitivity detected.
Detection of Weak Signals module comprises central processing element 7, pin-saving chip 8, Signal Collection and amplify chip 9, communication chip 10, sensor contact interface 11 and peripheral circuit 12 thereof; Pin-saving chip 8, Signal Collection and amplify chip 9, communication chip 10, sensor contact interface 11 and peripheral circuit 12 thereof all communicate with central processing element 7;
Central processing element 7 stores the executive routine of detection module, and performs corresponding instruction and action according to procedure order;
Pin-saving chip 8 is for storing the measurement result of the line tooth biology sensor of detection module acquisition;
Signal Collection and amplify chip 9 is for gathering the feeble signal of line tooth biology sensor and signal being amplified process;
Communication chip 10 is for realizing the connecting communication of Detection of Weak Signals module and host computer;
Sensor contact interface 11 is connected with the contact 4 of line tooth biology sensor, provides voltage and survey sensor output current to sensor, and wherein the concentration of the size sensor test substance of current output sensor is correlated with.
Its two structure for the line tooth biosensor arrangement of oral hygiene detection is as follows:
As shown in Fig. 1, Fig. 3, Fig. 5, for the line tooth biosensor arrangement that oral hygiene detects, comprise line tooth biology sensor, communication module and Detection of Weak Signals module, communication module adopts wired connection mode, as shown in Figure 5, be directly connected with Detection of Weak Signals module by the contact of data line by line tooth biology sensor.
As shown in Figure 3, line tooth biology sensor comprises sensitive material fixing on substrate 6, line tooth image, three electrodes combined with line tooth image and electrode, described three electrodes are fixed on the diverse location of the same face on substrate 6, three electrodes are connected with three contacts 4 being positioned at substrate 6 one edge independent of each other respectively by different contact conductors 5, that face of substrate 6 that lead-in wire is set is coated with line tooth image layer, and three electrodes and three contacts 4 are exposed to outside line tooth image layer.
As shown in Figure 1, what line tooth image adopted is a kind of harmless, not decompose in oral cavity and to keep the material of its CF, this kind of material is existing technology, all can buy in the market, belongs to known technology, does not repeat them here.
Substrate 6 adopts a kind of harmless and Undec non-biocompatible thin film's material is prepared from oral cavity, such as: nitrocellulose, collagen, gelatin, shitosan, Sodium Hyaluronate, eggshell membrane, tetrafluoroethene or PLA.
Three electrodes are that gold or carbon inactive, conductive material are prepared from, and three electrodes are respectively working electrode 2, contrast electrode 3 and the 3rd electrode 1, as shown in Figure 2.
Contact conductor 5 and contact are made by silver, gold, carbon or silver-colored silver chloride material.Method for making is sputtering, evaporation or printing.
Sensitive material is formed by the solidification of enzyme, electron mediator and carbon nano-tube.Electrode fixing sensitive material, such as enzyme, is to make sensor have specificity, only reacts with a kind of composition (such as lactic acid) in oral cavity or only detects concentration (such as oral bacteria quantity) that is a kind of or a class material; Fixing nano particle is the susceptibility in order to increase sensor, improves the sensitivity detected.
Detection of Weak Signals module comprises central processing element 7, pin-saving chip 8, Signal Collection and amplify chip 9, communication chip 10, sensor contact interface 11 and peripheral circuit 12 thereof; Pin-saving chip 8, Signal Collection and amplify chip 9, communication chip 10, sensor contact interface 11 and peripheral circuit 12 thereof all communicate with central processing element 7;
Central processing element 7 stores the executive routine of detection module, and performs corresponding instruction and action according to procedure order;
Pin-saving chip 8 is for storing the measurement result of the line tooth biology sensor of detection module acquisition;
Signal Collection and amplify chip 9 is for gathering the feeble signal of line tooth biology sensor and signal being amplified process;
Communication chip 10 is for realizing the connecting communication of Detection of Weak Signals module and host computer;
Sensor contact interface 11 is connected with the contact 4 of line tooth biology sensor, provides voltage and survey sensor output current to sensor, and wherein the concentration of the size sensor test substance of current output sensor is correlated with.
Lactic acid is a kind of important substance of human body, and human body lactic acid content is relevant with many factors, such as moves, breathes, degree of fatigue, is also the important indicator reflecting heart function.After human motion, in saliva of buccal cavity, in lactic acid content and body, lactic acid content has higher correlativity.This example measure motion with the present invention after in saliva of buccal cavity the example that is changed to of lactic acid content detected.
The change detecting method that employing the present invention carries out lactic acid content is as follows:
The volunteer that prior invitation one is healthy, the measuring process measuring its oral cavity lactic acid change with the present invention is as follows:
1) the line tooth lactic acid sensor previously prepared carefully is attached on the front tooth of volunteer;
2) before ensureing to measure, allow lactic acid in body be in a metastable state, allow volunteer loosen, arbitrarily walk about, normal secretions saliva;
3) after 20 minutes, Detection of Weak Signals module is connected with sensor contact, survey sensor signal, this signal is initial basic point signal;
4) for preventing exceptional value, measuring once every 10 minutes, measuring 3 times;
5) disconnect the connection of Detection of Weak Signals module and sensor contact, allow volunteer's high strength run 5 kilometers fast;
6) then Detection of Weak Signals module is connected with sensor contact, survey sensor signal, this signal be high-intensity exercise after lactic acid content in saliva;
7) for preventing exceptional value, measuring once every 10 minutes, measuring 3 times;
8) allow volunteer have a rest 2 hours, then Detection of Weak Signals module be connected with sensor contact, survey sensor signal, this signal is a comparison signal, should be lower than enzyme content to be measured after high-intensity exercise for enzyme content to be measured after contrasting rest;
9) for preventing exceptional value, measuring once every 10 minutes, measuring 3 times.
Measurement result as shown in Figure 6, the current signal reflection that sensor exports be the content of lactic acid in subjects saliva, as can be seen from Figure 6, after vigorous exercise, in subjects saliva, lactic acid content obviously increases, and after rest after a while, lactic acid content declines again.This is consistent with the result detected by other method.
Line tooth biology sensor can measure the composition of many kinds of substance in oral cavity, measure different compositions, different enzymes is fixed when making biology sensor, such as, utilize the lactic acid content in line tooth biology sensor measurement oral cavity, so need fixing Lactate Oxidase when making line tooth sensor; The content of glucose in oral cavity to be measured for another example, so need fixing glucose oxidase when making line tooth sensor.
The content measuring glucose in oral cavity is identical with the lactic acid content technique that above-described embodiment is measured in oral cavity, and just detected object changes, and does not repeat them here.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.

Claims (2)

1. the preparation method of the line tooth biosensor arrangement detected for oral hygiene, it is characterized in that, described line tooth biosensor arrangement, comprise line tooth biology sensor, communication module and Detection of Weak Signals module, communication module is connected with Detection of Weak Signals module with the contact of line tooth biology sensor respectively, obtain the output signal of line tooth biology sensor, and by Signal transmissions to Detection of Weak Signals module; Described line tooth biology sensor comprises sensitive material fixing on substrate, line tooth image, three electrodes combined with line tooth image and electrode, described three electrodes are fixed on the diverse location of the same face on substrate, three electrodes are connected with three contacts being positioned at substrate one edge independent of each other respectively by different contact conductors, that face of substrate that contact conductor is set is coated with line tooth image layer, and three electrodes and three contacts are exposed to outside line tooth image layer;
1) on substrate, printed electrode contact, contact conductor and three electrodes are starched with silver or silver-colored silver chloride, and dry process;
2) on working electrode and contrast electrode, carbon paste layer is printed, and dry process;
3) on substrate, print line tooth image, note making the contact of 3 electrodes and sensor expose, can not be covered by line tooth image, drying also solidifies line tooth image;
4) immobilized enzyme, electron mediator and carbon nano-tube sensitive material on three electrodes exposed, and solidify, put 4 DEG C of Refrigerator stores;
5) prepare wireless communication module or data line, conveniently line tooth biology sensor is connected with Detection of Weak Signals module, carries out signal measurement and data communication.
2. the preparation method of the line tooth biosensor arrangement detected for oral hygiene, it is characterized in that, described line tooth biosensor arrangement, comprise line tooth biology sensor, communication module and Detection of Weak Signals module, communication module is connected with Detection of Weak Signals module with the contact of line tooth biology sensor respectively, obtain the output signal of line tooth biology sensor, and by Signal transmissions to Detection of Weak Signals module; Described line tooth biology sensor comprises sensitive material fixing on substrate, line tooth image, three electrodes combined with line tooth image and electrode, described three electrodes are fixed on the diverse location of the same face on substrate, three electrodes are connected with three contacts being positioned at substrate one edge independent of each other respectively by different contact conductors, that face of substrate that contact conductor is set is coated with line tooth image layer, and three electrodes and three contacts are exposed to outside line tooth image layer;
Preparation method's step is as follows:
1) substrate in sight makes mask, mask covers the place not needing to make electrode, contact conductor and electrode contacts, and the place needing to make electrode, contact conductor and electrode contacts is exposed;
2) in sputtering stove, conveniently sputtering technology sputters thin film gold on the membraneous material being coated with mask, and thickness is 100-200 dust;
3) tear mask, non-biocompatible thin film's material is formed electrode, contact conductor and electrode contacts;
4) on substrate, print line tooth image, attention must make electrode and electrode contacts expose, and can not be covered by line tooth image, and line tooth image can go between by coated electrode, and drying also solidifies line tooth image;
5) immobilized enzyme, electron mediator and carbon nano-tube sensitive material on three electrodes exposed, and solidify, put 4 DEG C of Refrigerator stores;
6) prepare wireless communication module or data line, conveniently line tooth biology sensor is connected with Detection of Weak Signals module, carries out signal measurement and data communication.
CN201510540851.XA 2015-08-28 2015-08-28 Manufacturing method of tooth tattoo biosensor device for oral hygiene testing Pending CN105158308A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005192938A (en) * 2004-01-09 2005-07-21 Horiba Ltd Method and system for analyzing intraoral health state
CN1692278A (en) * 2002-12-20 2005-11-02 松下电器产业株式会社 Biosensor
CN101339155A (en) * 2007-07-04 2009-01-07 株式会社船井电机新应用技术研究所 Enzyme electrode and enzyme sensor
CN101854880A (en) * 2007-09-12 2010-10-06 德固萨有限责任公司 Method for determining the position of an intraoral measuring device
CN103402327A (en) * 2013-08-07 2013-11-20 苏州扬清芯片科技有限公司 Manufacturing method of printing electrode for portable heavy metal detection
WO2015112638A1 (en) * 2014-01-21 2015-07-30 The Regents Of The University Of California Salivary biosensors and biofuel cells

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1692278A (en) * 2002-12-20 2005-11-02 松下电器产业株式会社 Biosensor
JP2005192938A (en) * 2004-01-09 2005-07-21 Horiba Ltd Method and system for analyzing intraoral health state
CN101339155A (en) * 2007-07-04 2009-01-07 株式会社船井电机新应用技术研究所 Enzyme electrode and enzyme sensor
CN101854880A (en) * 2007-09-12 2010-10-06 德固萨有限责任公司 Method for determining the position of an intraoral measuring device
CN103402327A (en) * 2013-08-07 2013-11-20 苏州扬清芯片科技有限公司 Manufacturing method of printing electrode for portable heavy metal detection
WO2015112638A1 (en) * 2014-01-21 2015-07-30 The Regents Of The University Of California Salivary biosensors and biofuel cells

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Application publication date: 20151216