CN108226472A - A kind of chemiluminescence enzyme-linked immunoassay for detecting sodium sulfocyanate - Google Patents
A kind of chemiluminescence enzyme-linked immunoassay for detecting sodium sulfocyanate Download PDFInfo
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- CN108226472A CN108226472A CN201611159146.6A CN201611159146A CN108226472A CN 108226472 A CN108226472 A CN 108226472A CN 201611159146 A CN201611159146 A CN 201611159146A CN 108226472 A CN108226472 A CN 108226472A
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- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
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Abstract
The invention discloses a kind of chemical luminescence ELISA detection kits of sodium sulfocyanate, including box body, the ELISA Plate being located in box body and the reagent being located in box body；It is characterized in that, each hole of the ELISA Plate is coated with the envelope antigen i.e. conjugate of sodium sulfocyanate class parent nucleus and carrier protein；The reagent includes：Sodium sulfocyanate class monoclonal antibody, the sheep anti-mouse antibody of horseradish peroxidase-labeled, sodium sulfocyanate class series standard solution, concentrated phosphoric acid salt buffer, concentrated cleaning solution, chemical luminescence for liquid；The chemical luminescence ELISA detection kit of the present invention has the characteristics that highly sensitive, easy quick, accuracy height, detection medicament categories are more, and compared with traditional colorimetric ELISA method, the operating time is greatly reduced；This method can be directly used for the sodium sulfocyanate content in detection dairy products.
Description
Technical field
The present invention relates to a kind of enzyme-linked immunologic detecting kits more particularly to a kind of chemiluminescent enzyme-linked immunosorbent of sodium sulfocyanate to exempt from
Epidemic disease detection kit.
Background technology
Sodium sulfocyanate（NaSCN）It is naturally occurring a kind of active antibacterial system in lactogenesis, newborn peroxidating
Object enzyme system（It LPS) can be with bacteriostasis, preservation.1991, the CAC/GL 13- of Codex Committee on Food's announcement of WHO and FAO
1991《Lacto-peroxidase system is used for the fresh-keeping guide of raw milk》In, sodium sulfocyanate is allowed to add as the activator of LPS
It is added in milk；China also in subsequent issuing standard, allow to be added to it is fresh-keeping for raw milk in no cold chain transportation system,
Additive amount is 15mg/L.
But sodium sulfocyanate category poisonous and harmful substance, major toxicity act as inhibiting based on Activity of Cytochrome Oxidase
Acute toxicity with iodine to be inhibited to transport and the chronic toxicity that synthesize of thyroxine, especially to the brain of fetus and baby with it is neural
There are larger harm for systematic growth.With the food-safe attention degree raising of society and perfect, the country of former milk cold chain transportation
Standard before having abolished simultaneously is announced in December, 2008《The non-edible material from soybeans of possible illegal addition and the food easily abused in food
Product additive kind list（First）》, it is specified that sodium sulfocyanate belongs to illegal additive in milk and milk products.At present, China is still
The standard and limit value of sodium sulfocyanate in detection milk are not formulated.Ft%HWGE
At present, the method for detecting sodium sulfocyanate mainly has：High performance liquid chromatography (HPLC), color/matter combination analysis method (LC-
MS), liquid/matter combination analysis method (LC-MS/MS).The defects of thin-layered chromatography is：Operating process is complicated, and the time is long；Operating personnel
It needs by professional training；The disturbing factor of impact analysis is more, as a result poor repeatability.Radioimmunology, high performance liquid chromatography
It is instrument and equipment costliness that method, color/matter, which are used in conjunction the defects of analytic approach, liquid/matter combination analysis these physico-chemical methods of method, sample pre-treatments
Complexity, it is time-consuming, it arduously, is not easy to popularize, testing cost is high, and particularly radioimmunology also needs to be equipped with radioactive source, there is certain danger
It is dangerous.In consideration of it, a kind of method of sodium sulfocyanate content in effective, quick, simple, sensitive detection dairy products is established with weight
Want meaning.
Invention content
The object of the present invention is to provide a kind of chemical luminescence ELISA detection kits of sodium sulfocyanate.The kit has
Have detection sensitivity it is high, using it is flexible, facilitate the characteristics of.
The chemical luminescence ELISA detection kit of sodium sulfocyanate of the present invention including box body, is located in box body
ELISA Plate and be located in box body sodium sulfocyanate series standard solution, enzyme mark goat anti-rabbit antibody, sodium sulfocyanate antibody, shine it is molten
Liquid, washing solution, coating solution and lock solution；It is characterized in that：
Each hole of the ELISA Plate is coated with envelope antigen, wherein envelope antigen made of sodium sulfocyanate and ovalbumin coupling
Concentration preferably 10 μ g/mL.
Preferred 6.7KDa ~ the 6.8KDa of molecular weight ranges of the ovalbumin.
The sodium sulfocyanate series standard solution is 0mg/kg, 0.1mg/kg, 0.3mg/kg, 0.9mg/kg respectively,
Enzyme mark goat anti-rabbit antibody described in 2.7mg/kg and 8.1mg/kg is horseradish peroxidase-goat anti-rabbit igg stoste, and working concentration is excellent
It is selected as 1:1000.
The bovine serum albumin idol that it is 6.7KDa ~ 6.8KDa by sodium sulfocyanate and molecular weight ranges that the sodium sulfocyanate antibody, which is,
Polyclonal antibody made from animal is immunized in artificial immunogen made of conjunction, and working concentration is preferably 1:1000.
The luminescent solution is three (methylol) aminomethane solution (pH=of 0.01M luminols and 0.001M p-cresols
And 3/10000 (volume ratio) H 8.8)2O2Mixed liquor.The luminol is luminous substrate, and p-cresol is luminescence enhancer.
The washing solution is pH7.5,0.1mol/L phosphate buffer containing 0.05% Tween-20 of volume fraction.
The coating solution is the solution of sodium carbonate containing 1.59g and 2.53g sodium bicarbonates in every liter of water, pH 9.5.
The lock solution is that (OVA, ovalbumin, also referred to as ovum gallinaceum are pure for ovalbumin containing 10g in every liter of washing solution
Albumen or chicken ovalbumin, are made of 386aa, molecular weight about 43Kd) and addition weight fraction 0.5%NaN3Solution.
Kit maximum detection range of the present invention is 0.1mg/kg ~ 8.1mg/kg.
Sodium sulfocyanate standard solution, enzyme mark goat anti-rabbit antibody solution, sodium sulfocyanate antibody involved in kit of the present invention
Solution, luminescent solution and washing solution and its formula influence the sensitivity that kit of the present invention detects very big；Wherein each solution
Main component and its preparation method be：
1st, sodium sulfocyanate standard solution：Compound concentration is respectively 0mg/kg, 0.1mg/kg, 0.3mg/kg in conventional manner,
The sodium sulfocyanate standard solution of 0.9mg/kg, 2.7mg/kg and 8.1mg/kg；
2nd, enzyme mark goat anti-rabbit antibody solution：Enzyme mark goat anti-rabbit antibody is horseradish peroxidase-goat anti-rabbit igg stoste, and when use is used
Washing solution is configured to 1:1000 working concentration；
3rd, sodium sulfocyanate antibody-solutions：Sodium sulfocyanate antibody is that manually polyclonal antibody made from animal is immunized in immunizing antigen,
Gained sodium sulfocyanate antibody is diluted to 1 with washing solution:1000 working concentration；
4th, luminescent solution：It is three (methylol) aminomethane solution (pH=8.8) of 0.01M luminols and 0.001M p-cresols
With 3/10000 (volume ratio) H2O2Mixed liquor；
5th, solution is washed：Refer to pH7.5,0.1mol/L phosphate buffer containing 0.05% Tween-20 of volume fraction；
6th, it is coated with solution：1.59g sodium carbonate and 2.53g sodium bicarbonates are dissolved in 1L water, and it is 9.5 to adjust pH；
7th, lock solution is prepared：10g OVA are dissolved in 1L washing solution, add the NaN that weight ratio is 0.05%3。
The preparation of ELISA Plate of the present invention：
The method for coating of ELISA Plate of the present invention is using sodium sulfocyanate-OVA in the coating solution of setting, with the dense of setting
Degree, reaction overnight is coated in 4 DEG C.
The present invention is using the sodium carbonate-bicarbonate buffer solution that pH is 9.5.Institute is coated in ELISA Plate of the present invention
Sodium sulfocyanate-ovalbumin (OVA) can be very good to be incorporated on microwell plate frosting under alkaline environment, can be subjected to more
Secondary board-washing, a concentration of 10 μ g/mL of envelope antigen of use.
The ELISA Plate being coated with can be closed with lock solution, the preferred ovalbumin of inert protein (OVA) in confining liquid, be needed
Add in NaN3It prevents from going bad.
The preparation of sodium sulfocyanate antibody-solutions and enzyme mark goat anti-rabbit antibody solution：
Sodium sulfocyanate antibody-solutions, enzyme mark goat anti-rabbit antibody solution concentration are to determine Ractopamine enzyme in the present invention in the present invention
An important factor for joining immunoassay kit measurement range and sensitivity.
Sodium sulfocyanate antibody-solutions involved in the present invention can be configured to a concentration of 0.1 ~ 8.1mg/kg with washing solution
Solution；Or it is diluted to 1 with washing solution:1000 working concentration.
Enzyme mark goat anti-rabbit antibody solution involved in the present invention is preferably with a concentration of the 1 of washing solution preparation:1000.
The kit prepared according to above-mentioned sodium sulfocyanate antibody-solutions concentration and enzyme mark goat anti-rabbit antibody solution concentration can be with
Reach the good range of linearity (normal line range can reach 0.1mg/kg ~ 8.1mg/kg) and the sensitivity (0.2mg/ to become reconciled
kg)。
The preparation of luminescent solution：
The present invention is using horseradish peroxidase labeled substrate luminescent system, mainly luminol-hydrogen peroxide system.
The luminescent solution is three (methylol) aminomethane solution (pH=of 0.01M luminols and 0.001M p-cresols
And 3/10000 (volume ratio) H 8.8)2O2Mixed liquor.The luminol is luminous substrate, and p-cresol is luminescence enhancer.
The principle of the present invention is to have been combined the high degree of specificity that antibody-antigene reacts with the high sensitivity of enzymatic
Come, production concentration is detected using the chemiluminescence reaction of substrate for enzymatic activity.
The chemical luminescence ELISA detection kit of the present invention has high sensitivity, easy fast and accurately point, with biography
The colorimetric ELISA method of system compares, and sensitivity can improve an order of magnitude.It is expected to the sodium sulfocyanate residual in dairy products product
It plays a significant role in detection.
Specific embodiment
Embodiment 1, immunogene, envelope antigen and antibody preparation
(1) synthesis of immunogene
Sodium sulfocyanate and bovine serum albumin (BSA) are coupled to obtain immunogene using p-aminobenzoic acid method.It specifically includes
Following steps：
A, it weighs 14mg (100 μm of ol) p-aminobenzoic acid (ABA) to dissolve in 1.5mL0.2M hydrochloric acid, then weighs 8.3mg (120
μm ol) sodium nitrite (NaNO2) be dissolved in the distilled water of 0.24mL, 0-4 DEG C of stirrings, by sodium nitrite (NaNO2) solution by
It is added dropwise in p-aminobenzoic acid solution, is protected from light 1 hour, obtains solution A；
B, it weighs 34mg (100 μm of ol) sodium sulfocyanate and is dissolved in ice-cold borax buffering (the 0.05M) (pH8.5, containing 0.15M's of 5mL
NaCl in), above-mentioned solution A 2mL is added dropwise in the solution, is protected from light 2 hours, obtains orange colour by 0-4 DEG C of stirring
Solution；
C, solution is added a small amount of boric acid crystal tune pH to 7.4, then adds in 136mg (2 μm of ol) cBSA (bovine serum albumin(BSA)),
While 160mg (834 μm of ol) water-soluble carbodiimide (EDC) is added in, 48mg (417 μm of ol) n-hydroxysuccinimide (NHS),
It is stirred at room temperature 3 hours, obtains orange solution；
D, reaction solution is transferred in semi-permeable membrane, 0-4 DEG C with phosphate buffer solution (PBS) (0.01M, pH7.4) dialyse 3
My god, it is every therebetween to change within 4-6 hours a dialyzate；Then dialysed 3 days with high purity water, it is every therebetween to change within 4-6 hours a dialyzate；Thoroughly
Analysis finishes, and is lyophilized with freeze drier, and it is the immunogene (coupling of sodium sulfocyanate and bovine serum albumin to obtain yellow orange solid powder
Object), -20 DEG C of preservations are spare.
(2) synthesis of envelope antigen
Sodium sulfocyanate and ovalbumin (OVA) are coupled to obtain envelope antigen using Isosorbide-5-Nitrae-fourth diether method.Specifically include with
Lower step：
A. 66mg ovalbumins (OVA) are weighed to be dissolved in 5mL50mM carbonate (pH10.7) buffer solution, are then added in into solution
Isosorbide-5-Nitrae-fourth diether (BDE) of 28 μ L (147.9 μm of ol) reacts at room temperature 24 hours, obtains solution A；
B. it weighs 76mg (277.1 μm of ol) sodium sulfocyanate to be dissolved in 1ml DMF (anhydrous N-N dimethylformamides), then adds
In 1mL50mM carbonate (pH10.7) buffer solution, solution A is passed through nitrogen, solution A then is added dropwise in sodium thiocyanate solution
In, it reacts at room temperature 24 hours, obtains yellow solution；
C. reaction solution is transferred in semi-permeable membrane, 0-4 DEG C with phosphate buffer solution (PBS) (0.01M, pH7.4) dialyse 3
My god, it is every therebetween to change within 4-6 hours a dialyzate；Then dialysed 3 days with high purity water, it is every therebetween to change within 4-6 hours a dialyzate；Thoroughly
Analysis finishes, and is lyophilized with freeze drier, and it is the envelope antigen (coupling of sodium sulfocyanate and ovalbumin to obtain white solid powder
Object), -20 DEG C of preservations are spare.
(3) preparation of sodium sulfocyanate polyclonal antibody
Using new zealand white rabbit as immune animal, the ox blood for being 6.7KDa~6.8KDa with sodium sulfocyanate and molecular weight ranges
Albuminised conjugate is immunogene, and first immunisation dosage is 500 μ g/mL, and immunogene is dissolved in into isometric life by head when exempting from
Emulsifier is made in reason brine and Freund's complete adjuvant, and nape part multi-point injection is immunized the immunogene that dosage is taken to halve and is dissolved in later
Isometric physiological saline and incomplete Freund's adjuvant mixing and emulsifying, head exempt to exempt from every 20 days with two, be immunized every two weeks later
It is once immunized five times altogether, is not added with adjuvant for the last time.Culling heart blood after last time is 7 days immune, centrifuges to obtain antiserum, obtains
Sodium sulfocyanate polyclonal antibody.
The foundation of embodiment 2, sodium sulfocyanate-ELISA detection method
(1) antibody and preferred (square formation) of envelope antigen concentration
Longitudinal direction is with each envelope antigen by 40.0 μ g/mL, 20.0 μ g/mL, 10.0 μ g/mL, 5.0 μ g/mL, 2.5 μ g/mL, 1.25 μ
G/mL, 0.625 μ g/mL, 0.3125 μ g/mL dilution series coated elisa plate, 100 μ L/ holes, 0-4 DEG C stands overnight, with washing
It washs liquid board-washing three times, pats dry every time；250 μ L/ holes lock solution closings, are placed at room temperature for 2 hours, board-washing three times, pats dry every time；Add
Enter a series of diluted antibody (1 in 100 μ L/ holes:100 to 1:1024000) 2.5 hours, are placed at room temperature for, board-washing three times, is clapped every time
It is dry；Add in the 1 of 100 μ L/ holes:1000 horseradish peroxidase-goat anti-rabbit igg antibody is placed at room temperature for 1 hour, board-washing three times, often
It is secondary to pat dry；The luminescent solution in 100 μ L/ holes is added in, measures luminous value.There is apparent graded with the concentration of envelope antigen with luminous value
Envelope antigen concentration and antibody dilution for optium concentration carry out specific assay.
(2) measure of antibody sensitivity
According to the above-mentioned optimization experiment to antibody and envelope antigen concentration, it is 1 that applicant, which selects and determines antibody concentration,:1000,
A concentration of 10 μ g/mL of envelope antigen carry out the measure of the sensitivity of antibody：
A, it is coated with：The envelope antigen of sodium sulfocyanate is made into the molten of 10 μ g/mL with the carbonate coating solution of 0.05M pH9.6
Liquid, in the reacting hole of each polystyrene board plus 100 μ L, 4 DEG C overnight；
Next day discards solution in hole, is washed 3 times with washing buffer, and 300 μ L/ holes 5 minutes every time, pat dry；(this step is referred to as washed
It washs, similarly hereinafter)；
B, it closes：Above-mentioned coated ELISA Plate, 250 μ L/ holes are closed with lock solution, room temperature is incubated 2-4 hours, is washed out；
C, it is loaded：Add dilution sodium sulfocyanate antibody (1:1000) 50 μ L/ holes and the 50 μ L/ holes of sodium thiocyanate solution of various concentration in
In the above-mentioned reacting hole closed, room temperature 2-4 hours is washed out；
D, enzyme labeling antibody：In each reacting hole, the antibody (1 of diluted fresh horseradish peroxidase-goat anti-rabbit igg is added in:
1000) 100 μ L/ holes, 1.5 hours, washing；
E, it shines：The 100 μ L/ holes of luminescent solution of Extemporaneous are added in each reacting hole, use chemiluminescence immune assay immediately
Instrument detects；
F, testing result is calculated with inhibiting rate：
Inhibiting rate（%）=B/Bo%, B are luminous value of the drug as competitor of various concentration, and Bo is shining for not dosing
Value, the concentration of drug is the sensitivity of the antibody when calculating 50% inhibiting rate.
Embodiment 3, the chemiluminescence enzyme linked immunoassay reagent kit for detecting sodium sulfocyanate
(1) composition of the chemiluminescence enzyme linked immunoassay reagent kit of detection sodium sulfocyanate
A, it is coated with the solid phase carrier (ELISA Plate) of envelope antigen (conjugate of sodium sulfocyanate and carrier protein)；
B, sodium sulfocyanate standard solution：0mg/kg, 0.1mg/kg, 0.3mg/kg, 0.9mg/kg, 2.7mg/kg and 8.1mg/kg；
C, enzyme mark goat anti-rabbit antibody solution：Enzyme mark goat anti-rabbit antibody is horseradish peroxidase-goat anti-rabbit igg stoste, is packed into, and is used
When with washing solution be configured to 1:1000 working concentration；
D, sodium sulfocyanate antibody-solutions：Manually the polyclonal antibody that animal prepares gained is immunized in immunizing antigen, by gained sulphur cyanogen
Sour sodium antibody is diluted to 1 with washing solution:1000 working concentrations；
E, luminescent solution：0.01M is configured to using three (methylol) aminomethane solution of the 0.0001M p-cresols of pH8.8
Luminol solution, then with H2O2According to 3:10000 volume ratio mixing；
F, solution is washed：PH7.5,0.1mol/L phosphate buffer containing 0.05% Tween-20 of volume fraction；
G, it is coated with solution：1.59g sodium carbonate and 2.53g sodium bicarbonates are dissolved in 1L water, adjust pH9.5；
H, lock solution is prepared：10g ovalbumins (OVA) are dissolved in 1L washing solution, and it is 0.05% to add weight ratio
NaN3。
(2) preparation of ELISA Plate
Envelope antigen is diluted to 10 μ g/mL with coating buffer, 100 μ L are added in per hole, 4 DEG C overnight, coating buffer of inclining, and is added in per hole
250 μ L cleaning solutions wash 3 times, pat dry, and then add in confining liquid 250 μ L per hole, 37 DEG C of incubation 1h, liquid in hole of inclining, washing
Liquid washs 3 times, pats dry, and is preserved with masking foil vacuum sealing.
Embodiment
4th, the application of the chemiluminescence enzyme linked immunoassay reagent kit of detection sodium sulfocyanate
(1) preparation of reagent
A. sample diluting liquid：It is used after the concentrated phosphoric acid salt buffer solution provided in kit is diluted 10 times with distilled water；
B. solution is washed：It is used after the concentrated cleaning solution provided in kit is diluted 10 times with distilled water；
C. luminescent solution：Three (methylol) aminomethane solution (pH8.8)+3/ of 0.01M luminol+0.001M p-cresols
10000 (volume ratio) H2O2。
(2) detecting step
A, it is loaded：Sodium sulfocyanate series standard strength solution or the molten 50 μ L of sample are added in into ELISA Plate micropore, then adds in sulphur
50 μ L of Zassol antibody-solutions, room temperature (25 DEG C) constant-temperature incubation 2.5h；
B, it washs：Liquid in hole is poured out, washing 250 μ L of solution are added in per hole, washs 3 times, pats dry；
C, enzyme mark goat anti-rabbit antibody solution：Enzyme mark goat anti-rabbit antibody solution 100 μ L, room temperature constant-temperature incubation 1h are added in per hole；
D, it washs：Liquid in hole is poured out, washing 250 μ L of solution are added in per hole, washs 3 times, pats dry；
E, add luminescent solution：100 μ L of luminescent solution are added in per hole；
F, it detects：The luminous intensity per hole is measured with chemical illumination immunity analysis instrument.
(3) result judges
The standard items and the average value of sample luminous value divided by the luminous value of first standard (0 standard) obtained multiplied by with 100,
Using inhibiting rate as ordinate, the logarithm of sodium sulfocyanate concentration makees standard curve for abscissa, the concentration of each sample can be from
It is read on standard curve.
Inhibiting rate（%）=standard items luminous value (or sample) × 100%/0 standard items luminous value.
5 kit preci-sion and accuracy of embodiment is tested
The sodium sulfocyanate standard specimen of 0.1mg/kg, 0.3mg/kg, 0.9mg/kg, 2.7mg/kg and 8.1mg/kg are taken, is added to newborn system
In product sample, to detect the sodium sulfocyanate rate of recovery.The interassay coefficient of variation of each concentration was with 5 repeat numbers of different 5 days
According to being calculated, variation within batch coefficient is calculated with 5 repeated datas on the same day.
The quantitative calculating of the rate of recovery is carried out according to the linear equation of the standard curve of formulation.
In terms of said determination result, the coefficient of variation is less than 25.4%, between rate of recovery 82-118%.Show that this kit has
Repeatability and accuracy well.
Claims (9)
1. a kind of chemical luminescence ELISA detection kit of sodium sulfocyanate, including box body, the ELISA Plate being located in box body and
The reagent being located in box body；It is characterized in that, each hole of the ELISA Plate is coated with sodium sulfocyanate parent nucleus and ovalbumin idol
Envelope antigen made of connection；The reagent includes：The sheep anti mouse of sodium sulfocyanate class monoclonal antibody, horseradish peroxidase-labeled
Antibody, sodium sulfocyanate class series standard solution, concentrated phosphoric acid salt buffer, concentrated cleaning solution, chemical luminescence for liquid.
2. the chemical luminescence ELISA detection kit of sodium sulfocyanate class according to claim 1, it is characterised in that：It is described
ELISA Plate is the opaque 96 hole chemiluminescence ELISA Plate of polystyrene of milky.
3. the chemical luminescence ELISA detection kit of sodium sulfocyanate class according to claim 1, it is characterised in that：It is described
A concentration of 10 μ g/mL of envelope antigen.
4. the chemical luminescence ELISA detection kit of sodium sulfocyanate class according to claim 1, it is characterised in that：It is described
The working concentration of sodium sulfocyanate monoclonal antibody is 1: 64000.
5. the chemical luminescence ELISA detection kit of sodium sulfocyanate class according to claim 1, it is characterised in that：It is described
The monoclonal antibody of sodium sulfocyanate is that conjugate is exempted from as immunogene made of sodium sulfocyanate parent nucleus is coupled with bovine serum albumin
Epidemic disease Balb/c mouse prepare.
6. the chemical luminescence ELISA detection kit of sodium sulfocyanate according to claim 1, it is characterised in that：The sulphur
Zassol series standard solution concentration is respectively：0mg/kg, 0.1mg/kg, 0.3mg/kg, 0.9mg/kg, 2.7mg/kg and
8.1mg/kg。
7. the chemical luminescence ELISA detection kit of sodium sulfocyanate according to claim 1, it is characterised in that：It is described dense
Contracting phosphate buffer is every liter containing NaH2PO4·2H2O 5.74g、Na2HPO4·12 H2The aqueous solution of O 32.6g.
8. the chemical luminescence ELISA detection kit of sodium sulfocyanate according to claim 1, it is characterised in that：It is described dense
Contracting washing solution is the pH=7.4 containing 0.05% Tween-20 of volume fraction, 0.1mol/L phosphate buffers.
9. the chemical luminescence ELISA detection kit of sodium sulfocyanate class according to claim 1, it is characterised in that：It is described
Chemical luminescence for liquid A liquid is three (methylol) amino first that luminol content is 0.01M, p-cresol content is 0.001M pH8.8
Alkane solution；B liquid be 100mL solution 2.1g containing citric acid, anhydrous Na2HPO42.82g, 0.75% carbamide peroxide 0.64mL's
Solution, the percentage are mass percent.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101126720A (en) * | 2007-09-24 | 2008-02-20 | 内蒙古蒙牛乳业（集团）股份有限公司 | Sodium sulfocyanate adulteration qualitative detection method for material milk |
| CN104655844A (en) * | 2013-11-20 | 2015-05-27 | 南京亿特生物科技有限公司 | Chemiluminescence enzyme-linked immunoassay method used for detecting thiophanate |
| CN104655614A (en) * | 2013-11-20 | 2015-05-27 | 南京亿特生物科技有限公司 | Chemical-luminescent ELISA method for detecting chlortoluron |
-
2016
- 2016-12-15 CN CN201611159146.6A patent/CN108226472A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101126720A (en) * | 2007-09-24 | 2008-02-20 | 内蒙古蒙牛乳业（集团）股份有限公司 | Sodium sulfocyanate adulteration qualitative detection method for material milk |
| CN104655844A (en) * | 2013-11-20 | 2015-05-27 | 南京亿特生物科技有限公司 | Chemiluminescence enzyme-linked immunoassay method used for detecting thiophanate |
| CN104655614A (en) * | 2013-11-20 | 2015-05-27 | 南京亿特生物科技有限公司 | Chemical-luminescent ELISA method for detecting chlortoluron |
Non-Patent Citations (2)
| Title |
|---|
| 卡迈舒（上海）生物科技有限公司: "硫氰酸钠（Sodium sulfocyanate）elisa试剂盒", 《环保在线》 * |
| 生物之友的博客: "硫氰酸钠（Sodium sulfocyanate）酶联免疫分析试剂盒", 《新浪博客》 * |
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Application publication date: 20180629 |