CN205091292U - Sodium, potassium, biochemical analysis dry plate of chlorion - Google Patents

Sodium, potassium, biochemical analysis dry plate of chlorion Download PDF

Info

Publication number
CN205091292U
CN205091292U CN201520830904.7U CN201520830904U CN205091292U CN 205091292 U CN205091292 U CN 205091292U CN 201520830904 U CN201520830904 U CN 201520830904U CN 205091292 U CN205091292 U CN 205091292U
Authority
CN
China
Prior art keywords
sodium
potassium
electrode
dry plate
chlorion
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 - Fee Related
Application number
CN201520830904.7U
Other languages
Chinese (zh)
Inventor
吴国清
陈汉杰
向东东
龙青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
High And New Technology Industrial Development Zone Linyi Shuan Hang Material Science And Technology Ltd
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201520830904.7U priority Critical patent/CN205091292U/en
Application granted granted Critical
Publication of CN205091292U publication Critical patent/CN205091292U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Investigating Or Analysing Biological Materials (AREA)

Abstract

The utility model relates to a sodium, potassium, biochemical analysis dry plate of chlorion belongs to the biochemical sensor technology field of vim and vigour for sodium in the detecting body liquid, potassium, chlorine ion concentration. The dry plate includes: supporting layer, sodium ion selective electrode, potassium ion selective electrode, chlorine ion selective electrode, intermediate level, salt bridge, top layer. Every sodium, potassium, biochemical analysis dry plate of chlorion has two sodium, potassium, chlorine ion selective electrode, corresponds each other. The utility model discloses the dry plate can overcome that the operation that traditional ion selective electrode exists is complicated, the operation and maintenance is with high costs, low -response, the shortcoming that is difficult for carrying, in the liquid sodium, potassium, chlorine ion concentration but the simultaneous measurement awaits measuring, and easy operation, fast, small, the portable of response speed, and prepare that the process is simple, low in production cost, be fit for big industrial production in batches.

Description

A kind of sodium, potassium, chlorion biochemical analysis dry plate
Technical field
The utility model relates to vim and vigour biochemical sensor technologies field, particularly relates to a kind of sodium, potassium, chlorion biochemical analysis dry plate.
Background technology
The development of modern medicine, the particularly rescue of clinical urgent patient, need to test to the electrolyte of human body, and in body fluid, sodium, potassium, chlorine ion concentration are one of important indicator of inspection.Under pathological conditions, bacterium, virus etc. can cause body fluid capacity, composition and potential of hydrogen to change, and cause human body water, electrolyte and disturbance of acid-base balance, thus affect the normal physiological function of human body assembling organ, even jeopardize patient vitals.Therefore, the biochemical test detecting water, electrolyte and acid base equilibrium has become the diagnosis of clinical numerous disease, treatment is assessed and the important evidence of Index for diagnosis.
In current detection body fluid, sodium, potassium, chlorine ion concentration adopt ion-selective electrode.The interior reference solution of conventional ion electrodes selective generally adopts electrolyte solution, can only at lower temperature, pressure operation, its cost of manufacture is higher, operation and maintenance is complicated, not portable, the demand of the occasions such as operation, emergency treatment, field rescue cannot be met, also cannot adapt to the trend of domestic medicine, modern medical service in-vitro diagnosis apparatus pattern.Novel detection means adopts dry ion-selective electrodes to detect, have simple to operate, measure accurately, the time is short, sampling is few, effectively prevent the impact of cross-infection on test result.
Chinese patent CN104316584A discloses and a kind ofly measures sensor of multinomial ion concentration and preparation method thereof, sodium, potassium, chlorine ion concentration can be measured simultaneously, but its ion concentration measurement is limited in scope, and reaction electrode to need wire to be connected with contacting between electrode, technique relative complex.
Summary of the invention
The utility model provides a kind of sodium, potassium, chlorion biochemical analysis dry plate, and measuring accuracy is high, long-time stability good, and the response time is short, and structure is simple, volume is little, and preparation technology is simple, production cost is low, is applicable to producing in enormous quantities.
The utility model sodium, potassium, chlorion biochemical analysis dry plate comprise: supporting layer, sodium selective electrode, potassium ion-selective electrode, Chloride selective electrode, middle layer, top layer and salt bridge.
In the utility model, supporting layer plays protection and supports ion-selective electrode effect, and top layer is provided with inlet and gas port, and middle layer is provided with liquid pool, and salt bridge is sealed between middle layer and top layer.
Supporting layer, middle layer and top layer are selected from polypropylene, Polyvinylchloride, tygon, polyester non-conductive polymer material, and salt bridge is filter paper material.
Sodium, potassium ion-selective electrode comprise: electrode, reference layer, ion-selective membrane.Chloride selective electrode comprises: electrode, polymeric membrane.
Electrode.In the utility model dry plate, electrode comprises metal level and metal salt.Metal salt and metal level form phase boundary potential, have stable electromotive force response.
Electrode metal layer is attached to non-conductive polymer surface, be improve electrode stability, shorten the response time, the utility model can adopt vacuum coating, the mode of electroless plating or plating prepares metal level.Metal salt can adopt the method for chemical oxidation to obtain, and uses iron chloride or liquor potassic permanganate to be oxidized metal level.
Reference layer.Reference layer comprises non-conductive polymer cementing agent, surfactant, bactericidal agent, spreading agent, slaine.
For ensureing the bond strength of reference layer and ion-selective membrane, prevent biochemical analysis dry plate response signal accuracy and long-time stability from reducing, reference layer water cut can not be too high or too low, and reference layer optimum moisture content is 30% ~ 40%.
The utility model by controlling drying time of reference layer, temperature, humidity fixes reference layer slaine proportioning and water cut, optimum drying condition: temperature 25 DEG C, relative humidity 50%, time 40min.
Sodium, potassium ion selective membrane.Sodium, potassium ion selective membrane comprise: high polymer binder, ionophore, carrier solvent, negative ion agent interfering and surfactant.
Chloride selective electrode polymeric membrane.Instead of reference liquid in traditional Chloride selective electrode and ion-selective membrane with polymeric membrane in the utility model, polymeric membrane is uniform cell structure, and 1 ~ 3 μm, aperture, has good longitudinal diffusion coefficient and perviousness, have protective effect simultaneously to electrode.
Polymeric membrane comprises: cementing agent, solvent, volatile solvent, plastifier, surfactant.
The drying condition of polymeric membrane can directly affect membrane micropore size and homogeneity, therefore needs the drying condition controlling polymeric membrane.Preferred drying process: temperature 25 DEG C, relative humidity 25%, time 60min.
Sodium, potassium, Chloride selective electrode that each sodium, potassium, chlorion biochemical analysis dry plate have two panels identical, and position is mutually corresponding.During test, electrode self electromotive force is cancelled out each other, and response potential stability improves.
Be different from existing patent intermediate ion choice electrode, the utility model sodium, potassium, chlorion biochemical analysis dry plate have the following advantages: (1) can measure sodium, potassium, chlorine ion concentration in liquid to be measured simultaneously, simple to operate, greatly improves work efficiency; (2) by controlling reference layer pH and water cut, sodium, the measuring accuracy of potassium ion-selective electrode and long-time stability are improved; (3) with the reference layer in Chloride selective electrode polymeric membrane replacement conventional ion choice electrode and ion-selective membrane, structure is simple; (4) use the metal/metal salt thin electrode of surface uniform, greatly shorten sodium, potassium, chlorion biochemical analysis dry plate response time, can equilibrium establishment within 7s, form stable response electromotive force.
Accompanying drawing explanation
Fig. 1 is sodium, potassium, chlorion biochemical analysis dry plate schematic diagram.
Fig. 2 is sodium, potassium, Chloride selective electrode schematic diagram.
Fig. 3 is sodium, potassium, chlorion biochemical analysis dry plate test concentration known solution response electromotive force.
Embodiment
With embodiment, the utility model is described in detail by reference to the accompanying drawings.
As shown in Figure 1, sodium, potassium, chlorion biochemical analysis dry plate, comprise supporting layer 1, sodium selective electrode 2, potassium ion-selective electrode 3, Chloride selective electrode 4, middle layer 5, salt bridge 6, top layer 7.
As shown in Figure 2, sodium selective electrode comprises: silver layer 21, silver chloride layer 22, reference layer 23, sodion selective membrane 24; Potassium ion-selective electrode comprises: silver layer 31, silver chloride layer 32, reference layer 33, potassium ion selective membrane 34; Chloride selective electrode comprises: silver layer 41, silver chloride layer 42, polymeric membrane 43.
Silver coating 21,31,41 is attached to polyethylene terephthalate surface, silver chloride layer 22,32,42 is obtained by the front 2/3 section of oxidation of silver layer 21,31,41, reference layer is attached on silver chloride layer 22,32 respectively, sodium, potassium ion selective membrane are attached on solid state reference layer 23,33, and polymeric membrane is directly attached on silver chloride layer 42; Salt bridge is sealed between middle layer 5 and top layer 7, and 2 sodium, potassium, Chloride selective electrode 2,3,4 align with middle layer 5 pore location, and middle layer and supporting layer 1 align and be bondingly assembled into dry plate.
Sodium, potassium, chlorion biochemical analysis dry plate long-term storage conditions are :-18 ~-10 DEG C.
Sodium, potassium, chlorion biochemical analysis dry plate using method, use after needing to place 1h at normal temperatures when taking out from low temperature environment, keeps probe temperature 37 ± 0.1 DEG C during test.Insert in test trough by dry plate during test, two lateral opening dropping reference liquid and test fluid respectively, required sample 10 ~ 15 μ L, the test duration is less than 30s.
In order to advantage of the present utility model is better described, the utility model provides 1 group of experimental data, specific as follows.
Example 1, respond electromotive force with sodium, potassium, chlorion biochemical analysis dry plate test concentration known solution (Na ion concentration 140mmol/L, potassium concentration 5mmol/L, chlorine ion concentration 110mmol/L), test result as shown in Figure 3.
The above its object is to person skilled in the art can be understood content of the present utility model and implement according to this only for technical conceive of the present utility model and feature are described, can not limit protection domain of the present utility model with this.All modifications done according to the Spirit Essence of the utility model main technical schemes, all should be encompassed within protection domain of the present utility model.

Claims (9)

1. sodium, potassium, a chlorion biochemical analysis dry plate, is characterized in that: described sodium, potassium, chlorion biochemical analysis dry plate comprise supporting layer, insulation course, salt bridge, electrode, reference layer, sodium selective electrode, potassium ion-selective electrode, Chloride selective electrode.
2. sodium, potassium, chlorion biochemical analysis dry plate according to claim 1, is characterized in that: described sodium, potassium ion-selective electrode comprise electrode, reference layer, ion-selective membrane; Described Chloride selective electrode comprises electrode, polymeric membrane.
3. sodium, potassium, chlorion biochemical analysis dry plate according to claim 1, is characterized in that: described electrode is metal/metal salt thin electrode, and electrode comprises metal level and metal salt.
4. sodium, potassium, chlorion biochemical analysis dry plate according to claim 1, is characterized in that: described sodium, potassium ion-selective electrode reference layer comprise non-conductive polymer cementing agent, surfactant, bactericidal agent, spreading agent, buffering agent, slaine.
5. sodium, potassium, chlorion biochemical analysis dry plate according to claim 1, is characterized in that: described sodium, potassium ion-selective electrode reference layer are attached on the electrode of sodium, potassium ion-selective electrode, water cut 30% ~ 40%.
6. sodium, potassium, chlorion biochemical analysis dry plate according to claim 1, is characterized in that: described sodium, potassium ion selective membrane comprise high polymer binder, negative ion agent interfering, carrier, carrier solvent, surfactant.
7. sodium, potassium, chlorion biochemical analysis dry plate according to claim 1, is characterized in that: described sodium, potassium ion selective membrane be attached to dry after on reference layer.
8. sodium, potassium, chlorion biochemical analysis dry plate according to claim 1, is characterized in that: described Chloride selective electrode polymeric membrane comprises cementing agent, solvent, volatile solvent, plastifier, surfactant.
9. sodium, potassium, chlorion biochemical analysis dry plate according to claim 1, is characterized in that: described Chloride selective electrode polymeric membrane is attached on electrode.
CN201520830904.7U 2015-10-23 2015-10-23 Sodium, potassium, biochemical analysis dry plate of chlorion Expired - Fee Related CN205091292U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520830904.7U CN205091292U (en) 2015-10-23 2015-10-23 Sodium, potassium, biochemical analysis dry plate of chlorion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520830904.7U CN205091292U (en) 2015-10-23 2015-10-23 Sodium, potassium, biochemical analysis dry plate of chlorion

Publications (1)

Publication Number Publication Date
CN205091292U true CN205091292U (en) 2016-03-16

Family

ID=55481965

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520830904.7U Expired - Fee Related CN205091292U (en) 2015-10-23 2015-10-23 Sodium, potassium, biochemical analysis dry plate of chlorion

Country Status (1)

Country Link
CN (1) CN205091292U (en)

Similar Documents

Publication Publication Date Title
van de Velde et al. Solid contact potassium selective electrodes for biomedical applications–a review
CN105353018A (en) Multi-term ion biochemical analysis dry plate and preparation method thereof
CN107449816B (en) All solid state ion selective electrode, preparation method and biosensor
JP2004515784A5 (en)
CN106324059B (en) A kind of preparation method of glucose sensor electrode without enzyme material
CN106290498A (en) Based on PEDOT rGO Ni (OH)2the preparation method of the glucose sensor electrode without enzyme of composite nano materials
CN108387624B (en) Three-dimensional porous carbon/polysulfide cordierite compound modified electrode and preparation and application thereof
CN113358724B (en) Multi-parameter detection array electrochemical sensor for continuous blood gas detection
Wang et al. All-solid-state blood calcium sensors based on screen-printed poly (3, 4-ethylenedioxythiophene) as the solid contact
CN107449815A (en) It is a kind of available for the electric potential type microelectrode sensors of Single cell analysis and its application
CN107727720A (en) HKUST‑1(Cu‑MOFs)Application in glucose sensor electrode is prepared
CN104597090A (en) Enzyme-free potentiometric glucose sensor and detection method thereof
CN105319250A (en) Carbon dioxide biochemical analysis dry plate and preparation method thereof
CN105223252A (en) A kind of sodium, potassium, chlorion biochemical analysis dry plate and preparation method thereof
Liu et al. Implementation of a microfluidic conductivity sensor—A potential sweat electrolyte sensing system for dehydration detection
CN105158310B (en) A kind of micro-fluidic detection chip and its application based on micro-porous electrode
CN102539501A (en) Micro electrode for measuring potential of hydrogen (pH) in cells and preparation method thereof
CN105203614A (en) Potassium ion biochemical analysis dry slide and preparation method thereof
CN205091292U (en) Sodium, potassium, biochemical analysis dry plate of chlorion
CN107271521A (en) A kind of potassium ion biochemical analysis dry plate and preparation method thereof and reagent disc
CN105203609A (en) Sodium ion biochemical analysis dry plate and preparation method thereof
EP4184170A1 (en) Device for detecting blood coagulation characteristics and application of device
CN201803983U (en) Sensor electrode of blood gas electrolytic analyzer
CN205374366U (en) Biochemical analysis dry plate of sodium ion
CN105223245A (en) A kind of chlorion biochemical analysis dry plate and preparation method thereof

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20170203

Address after: 276000 Shandong city of Linyi province high tech Zone bimonthly road innovation building the first floor of block B

Patentee after: High and new technology industrial development zone, Linyi Shuan Hang material Science and Technology Ltd.

Address before: 100094 Beijing city Haidian District Yongfeng Road, sea Feng Lian villa 17-2-902

Patentee before: Wu Guoqing

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160316

Termination date: 20171023