CN102430199A - Preparation method of electrochemical treatment sensing element - Google Patents

Preparation method of electrochemical treatment sensing element Download PDF

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Publication number
CN102430199A
CN102430199A CN2011103943757A CN201110394375A CN102430199A CN 102430199 A CN102430199 A CN 102430199A CN 2011103943757 A CN2011103943757 A CN 2011103943757A CN 201110394375 A CN201110394375 A CN 201110394375A CN 102430199 A CN102430199 A CN 102430199A
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China
Prior art keywords
titanium
platinum
sensing element
electrode
tinsel
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CN2011103943757A
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Chinese (zh)
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李开华
金颂
李力军
李敏
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Individual
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Abstract

The invention relates to a preparation method of an electrochemical treatment sensing element, which adopts the technology of plating platinum on the outer layer of titanium or titanium alloy, greatly reduces the production cost of an electrode, and simultaneously, titanium is a matrix of metal elements acceptable to human bodies, so that the electrode has the advantage of organism tissue compatibility. The electrode prepared by the method disclosed by the invention is plated with platinum on the surface layer of the electrode, and the electrode is stored in absolute ethyl alcohol after being processed, cleaned and deoiled, so that the autoxidation of a matrix is well avoided.

Description

A kind of method for preparing of electrochemotherapy sensing element
Technical field
The invention belongs to the medical apparatus field, relate in particular to a kind of method for preparing that is used for a kind of electrochemotherapy sensing element of electrochemotherapy cancer.
Background technology
Electrode material for being used to treat human tumor has a lot of requirements; These electrode materials require that satisfactory electrical conductivity is arranged, the tissue electrode reaction do not produce burn into not frangible, do not introduce other supervoltage that material, long service life, hydrogen are arranged little, have good catalytic, requiring product simultaneously is bronsted lowry acids and bases bronsted lowry.And platinum is optimal electrode material.
Once adopted me to invent pure platinum electrode at electrochemotherapy; Introduced the pure platinum electrode of this kind among the Chinese patent CN89207791.3; But the kind electrode cost is high and exist dislocation of electrode, electrode tip to collide and the monolateral effect of electric current, and the contaminated operation platform also is easy to generate and hands over justice to infect; Cause pathophoresis, especially the passage of the transmission of infection of AIDS.
Give birth to for stopping this type of incident, many research worker attempt adopting stainless steel electrode, copper electrode; Nickel electrodes etc. are used for medical-therapeutic treatment of human body, but owing to often mix poisonous elements such as nickel, chromium in these electrode materials, electrochemical reaction produces corrosion; Follow electrode corrosion can not accept big coulomb electric charge, electrode fractures easily, has an accident; Therefore these materials are not suitable for using as electrode material, and reaction condition requires comparatively, and harshness is not suitable for use of large-scale production.The scientific research personnel in this field is lower in the development cost of making great efforts at present, is fit to the novel electrode material that the treatment human body uses again.
Summary of the invention
The present invention has prepared a kind of electrochemotherapy sensing element, and it has solved pure platinum electrode cost height, has existed dislocation of electrode, electrode tip to collide and the monolateral effect of electric current, contaminated operation platform and the problem that is easy to generate the infection of friendship justice.
In order to solve the technical problem of above-mentioned existence, the present invention has adopted following scheme:
A kind of method for preparing of electrochemotherapy sensing element is characterized in that may further comprise the steps:
Step 1: draw materials
Get titanium alloy wires or titanium silk, the diameter wiry of getting is 0.3mm-1.5mm, and is getting tinsel is stretching, cut out, and an end wiry is worn into sharp head;
Step 2: oil removing
2.1 the tinsel of cutting out in the step 1 is cleaned with detergent earlier, and reuse gasoline cleans, room temperature dries;
2.2 the tinsel after will drying is put in sodium carbonate liquor or the sodium bicarbonate solution of 0.5mol/L-1.0mol/L and boils 10min-60min, guarantees that temperature is 60 ℃-90 ℃, boils to wire surface to become the woven design shape;
Step 3: flash
The tinsel of handling in the step 2 is carried out flash, and the time is 0.1min-0.5min, the easy platinum plating of wire surface behind the flash;
Step 4: the tinsel of surface-brightening is kept in the dehydrated alcohol for use, this bright metal silk is a negative electrode;
Step 5: platinum plating
Anode adopts platinized platinum, and electroplate liquid is the dinitro diamino platinum (NH of 20g/L-50 g/L 3) 2Pt (NO 2) 2, 40 g/L-80 g/L sulfamic acid H 2OSO 2.NH 2, the mixed solution of 1000ml-4000ml distilled water preparation, the pH value of electroplate liquid is 1-2, is reflected in 60 ℃-75 ℃ the water-bath to carry out, the electric current density in the electroplating process is 1.5A-2.5A/m 2, electroplating time is 1min-40min, per 6 minutes generation 1 μ m thickness;
Step 6: the cathodic metal silk electrode after the platinum plating is put into boiling water boil 5min-60min, the reuse distilled water flushing is promptly accomplished the preparation of this electrochemotherapy sensing element.
Said titanium comprises a kind of in the titanium of titanium or unannealed processing after the annealing in process, and said titanium alloy is a kind of in titanium vanadium alloy, titanium maxter alloy, titanium manganese alloy, the ferro-titanium; Impurity content in said titanium alloy wires or the titanium silk is 10 -6Below the mol.
Said abluent is a kind of in sodium bicarbonate solution, sodium carbonate liquor, sodium hydroxide solution, the ammonia.
When deposition occurring in the described electroplate liquid of step 5, to the dinitroso diammonia platinum that wherein adds 20g/L-50 g/L, guarantee that the quality percentage composition of the dinitroso diammonia platinum in the electroplate liquid is no less than 40%, add amino sulfonic acid H 2OSO 2.NH 2Guarantee the pH value of solution, eliminate deposition or muddy.
This electrochemotherapy sensing element has following beneficial effect:
(1) the electrochemotherapy sensing element of the present invention's preparation adopts titanium or the outer platinized technology of titanium alloy, greatly reduces the cost of electrode production, and titanium also is that human body can be accepted the metallic element matrix simultaneously, makes this electrode have body tissue intermiscibility advantage.
(2) the electrochemotherapy sensing element top layer platinum plating of the present invention's preparation, and after oil removing is cleaned in processing, electrode is kept in the dehydrated alcohol, the matrix autoxidation well avoided.
(3) preparation flow of electrochemotherapy sensing element of the present invention is simple, and is easy to operate, is easy to processing.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is further specified:
Embodiment 1
Step 1: draw materials
Get the qualified titanium silk of impurity content, the diameter wiry of getting is 0.3mm, and is getting tinsel is stretching, cut out, and an end wiry is worn into sharp head;
Step 2: oil removing
The tinsel of cutting out in the step 1 is cleaned with sodium hydroxide solution earlier, and reuse gasoline cleans, and room temperature dries; Tinsel after will drying is put in the sodium carbonate liquor of 0.5mol/L and boils 30min, guarantees that temperature is 85 ℃, boils to wire surface to become the woven design shape;
Step 3: flash
The tinsel of handling in the step 2 is carried out flash, and the time is 0.5min, the easy platinum plating of wire surface behind the flash;
Step 4: the tinsel of surface-brightening is kept in the dehydrated alcohol for use, this bright metal silk is a negative electrode;
Step 5: platinum plating
Anode adopts platinized platinum, and electroplate liquid is the dinitroso diammonia platinum of 20g/L, the sulfamic acid of 50 g/L, the mixed solution of 1000ml distilled water preparation, and the pH value of electroplate liquid is 2, is reflected in 75 ℃ the water-bath to carry out, the electric current density in the electroplating process is 1.5A/m 2, electroplating time is 18min, per 6 minutes generation 1 μ m thickness;
Step 6: the cathodic metal silk electrode after the platinum plating is put into boiling water boil 40min, the reuse distilled water flushing is promptly accomplished the preparation of this electrochemotherapy sensing element.
In electroplating process, when deposition occurring in the electroplate liquid,, guarantee that the quality percentage composition of the dinitroso diammonia platinum in the electroplate liquid is no less than 40% to the dinitroso diammonia platinum that wherein adds 20g/L.
Embodiment 2
Step 1: draw materials
Get the qualified titanium maxter alloy tinsel of impurity content, the diameter wiry of getting is 1.2mm, and is getting tinsel is stretching, cut out, and an end wiry is worn into sharp head;
Step 2: oil removing
The tinsel of cutting out is cleaned with ammonia spirit earlier, and reuse gasoline cleans, and room temperature dries; Tinsel after will drying is put in the sodium bicarbonate solution of 1.0mol/L and boils 50min, guarantees that temperature is 75 ℃, boils to wire surface to become the woven design shape;
Step 3: flash
The tinsel of handling in the step 2 is carried out flash, and the time is 0.3min, the easy platinum plating of wire surface behind the flash;
Step 4: the tinsel of surface-brightening is kept in the dehydrated alcohol for use, this bright metal silk is a negative electrode;
Step 5: platinum plating
Anode adopts platinized platinum, and electroplate liquid is the dinitroso diammonia platinum of 35g/L, the sulfamic acid of 60 g/L, the mixed solution of 2000ml distilled water preparation, and the pH value of electroplate liquid is 1, and reaction constant temperature carries out in 70 ℃ water-bath, and the electric current density in the electroplating process is 2.5A/m 2, electroplating time is 30min, per 6 minutes generation 1 μ m thickness;
Step 6: the cathodic metal silk electrode after the platinum plating is put into boiling water boil 50min, the reuse distilled water flushing is promptly accomplished the preparation of this electrochemotherapy sensing element.
When deposition occurring in the electroplate liquid,, guarantee that the quality percentage composition of the dinitroso diammonia platinum in the electroplate liquid is no less than 40% in the electroplating process to the dinitroso diammonia platinum that wherein adds 35g/L.
In conjunction with specific embodiments the present invention has been carried out exemplary description above; Obvious realization of the present invention is not subjected to the restriction of aforesaid way; As long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; Or design of the present invention and technical scheme are directly applied to other occasion without improving, all in protection scope of the present invention.

Claims (4)

1. the method for preparing of an electrochemotherapy sensing element is characterized in that may further comprise the steps:
Step 1: draw materials
Get titanium alloy wires or titanium silk, the diameter wiry of getting is 0.3mm-1.5mm, and is getting tinsel is stretching, cut out, and an end wiry is worn into sharp head;
Step 2: oil removing
2.1 the tinsel of cutting out in the step 1 is cleaned with detergent earlier, and reuse gasoline cleans, room temperature dries;
2.2 the tinsel after will drying is put in sodium carbonate liquor or the sodium bicarbonate solution of 0.5mol/L-1.0mol/L and boils 10min-60min, guarantees that temperature is 60 ℃-90 ℃, boils to wire surface to become the woven design shape;
Step 3: flash
The tinsel of handling in the step 2 is carried out flash, and the time is 0.1min-0.5min, the easy platinum plating of wire surface behind the flash;
Step 4: the tinsel of surface-brightening is kept in the dehydrated alcohol for use, this bright metal silk is a negative electrode;
Step 5: platinum plating
Anode adopts platinized platinum, and electroplate liquid is the dinitroso diammonia platinum (NH of 20g/L-50 g/L 3) 2Pt (NO 2) 2The sulfamic acid H of 40 g/L-80 g/L 2OSO 2.NH 2, the mixed solution of 1000ml-4000ml distilled water preparation, the pH value of electroplate liquid is 1-2, is reflected in 60 ℃-75 ℃ the water-bath to carry out, the electric current density in the electroplating process is 1.5A-2.5A/m 2, electroplating time is 1min-40min, per 6 minutes generation 1 μ m thickness;
Step 6: the cathodic metal silk electrode after the platinum plating is put into boiling water boil 5in-60min, the reuse distilled water flushing is promptly accomplished the preparation of this electrochemotherapy sensing element.
2. according to the method for preparing of the said a kind of electrochemotherapy sensing element of claim 1; It is characterized in that: the silk of titanium described in the step 1 comprises a kind of in the titanium silk of titanium silk or unannealed processing after the annealing in process, and said titanium alloy is a kind of in titanium vanadium alloy, titanium maxter alloy, titanium manganese alloy, the ferro-titanium; Impurity content in said titanium alloy wires or the titanium silk is 10 -6Below the mol.
3. according to the method for preparing of the said a kind of electrochemotherapy sensing element of claim 1, it is characterized in that: abluent described in the step 2 is a kind of in sodium bicarbonate solution, sodium carbonate liquor, sodium hydroxide solution, the ammonia.
4. according to the method for preparing of the said a kind of electrochemotherapy sensing element of claim 1; It is characterized in that: when deposition occurring in the described electroplate liquid of step 5; To the dinitroso diammonia platinum that wherein adds 20g/L-50 g/L, guarantee that the quality percentage composition of the dinitroso diammonia platinum in the electroplate liquid is no less than 40%.
CN2011103943757A 2011-12-02 2011-12-02 Preparation method of electrochemical treatment sensing element Pending CN102430199A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105112955A (en) * 2015-09-21 2015-12-02 无锡清杨机械制造有限公司 Dinitrodiammineplatinum ammoniacal electroplating solution for acidic platinum plating and electroplating method adopting dinitrodiammineplatinum ammoniacal electroplating solution
CN105112956A (en) * 2015-09-21 2015-12-02 无锡清杨机械制造有限公司 Acidic dinitrodiammineplatinum ammoniacal plating solution and plating method of Pt
CN105112957A (en) * 2015-09-21 2015-12-02 无锡清杨机械制造有限公司 Platinum electroplating solution containing dipotassium tetrakis(nitrito-N)platinate and electroplating method adopting platinum electroplating solution
CN105154931A (en) * 2015-09-21 2015-12-16 无锡清杨机械制造有限公司 Platinum electroplating solution comprising dihydrogen dinitrosulfatoplatinate and electroplating method adopting platinum electroplating solution
CN113755913A (en) * 2021-09-30 2021-12-07 励福(江门)环保科技股份有限公司 Acidic P salt plating solution for electroplating platinum and electroplating method thereof

Citations (1)

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CN101713087A (en) * 2009-11-24 2010-05-26 北京有色金属研究总院 Electroplating method of Ti-Ni based memory alloy

Patent Citations (1)

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CN101713087A (en) * 2009-11-24 2010-05-26 北京有色金属研究总院 Electroplating method of Ti-Ni based memory alloy

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105112955A (en) * 2015-09-21 2015-12-02 无锡清杨机械制造有限公司 Dinitrodiammineplatinum ammoniacal electroplating solution for acidic platinum plating and electroplating method adopting dinitrodiammineplatinum ammoniacal electroplating solution
CN105112956A (en) * 2015-09-21 2015-12-02 无锡清杨机械制造有限公司 Acidic dinitrodiammineplatinum ammoniacal plating solution and plating method of Pt
CN105112957A (en) * 2015-09-21 2015-12-02 无锡清杨机械制造有限公司 Platinum electroplating solution containing dipotassium tetrakis(nitrito-N)platinate and electroplating method adopting platinum electroplating solution
CN105154931A (en) * 2015-09-21 2015-12-16 无锡清杨机械制造有限公司 Platinum electroplating solution comprising dihydrogen dinitrosulfatoplatinate and electroplating method adopting platinum electroplating solution
CN113755913A (en) * 2021-09-30 2021-12-07 励福(江门)环保科技股份有限公司 Acidic P salt plating solution for electroplating platinum and electroplating method thereof

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Application publication date: 20120502