Goat osteocalcin (BGP) Elisa kit
Goat osteocalcin (BGP) Elisa kit instructions
Goat osteocalcin (BGP) Elisa kit is for research use only.
Detection range: 96T 50ng / L -1200 ng / L
Purpose: This kit is used to determine the content of osteocalcin (BGP) in goat serum, plasma and related liquid samples.
Experimental principle: This kit uses the double antibody sandwich method to determine the level of goat osteocalcin (BGP) in the specimen. The purified goat osteocalcin (BGP) antibody was used to coat the microplate to make a solid-phase antibody, and osteocalcin (BGP) was added to the monoclonal antibody-coated microwells in turn, followed by HRP-labeled osteocalcin (BGP) ) The antibody binds to form an antibody-antigen-enzyme-labeled antibody complex. After thorough washing, the substrate TMB is added for color development. TMB is converted into blue under the catalysis of HRP enzyme, and into the final yellow under the action of acid. The color depth is positively correlated with osteocalcin (BGP) in the sample. The absorbance (OD value) was measured with a microplate reader at a wavelength of 450 nm, and the goat osteocalcin (BGP) concentration in the sample was calculated by a standard curve.
The goat osteocalcin (BGP) Elisa kit consists of:
1 30 times concentrated washing solution 20ml × 1 bottle 7 stop solution 6ml × 1 bottle
2 Enzyme label reagent 6ml × 1 bottle 8 standard (2400ng / L) 0.5ml × 1 bottle
3 Enzyme label coated plate 12 wells × 8 strips 9 standard dilutions 1.5ml × 1 bottle
4 Sample diluent 6ml × 1 bottle 10 instructions 1 copy
5 Developer A solution 6ml × 1 bottle 11 2 sealing film
6 Developer B liquid 6ml × 1 / bottle 12 1 sealed bag
Specimen requirements:
1. Samples containing NaN3 cannot be detected because NaN3 inhibits horseradish peroxidase (HRP) activity.
2. The specimens should be extracted as soon as possible after collection. The extraction should be carried out according to relevant literature. If the test cannot be performed immediately, the specimen can be stored at -20 ℃, but repeated freezing and thawing should be avoided
Steps:
1. Dilution of standard products: This kit provides one original standard product. The user can perform dilution in a small test tube according to the following chart.
1200ng / L No. 5 standard 150μl original standard added 150μl standard dilution
600ng / L No. 4 standard 150μl No. 5 standard added 150μl standard dilution
300ng / L No. 3 standard 150μl No. 4 standard added 150μl standard dilution
150ng / L No. 2 standard 150μl No. 3 standard added 150μl standard diluent
75ng / L No. 1 standard 150μl No. 2 standard added 150μl standard dilution
2. Add samples: set up blank wells (the blank control wells do not add samples and enzyme reagents, the rest of the steps are the same), standard wells, sample wells to be tested. Accurately add 50μl of standard on the enzyme-coated plate, add 40μl of sample diluent to the sample well, and then add 10μl of sample to be tested (the final dilution of the sample is 5 times) Add the sample and add the sample to the bottom of the well of the microplate, try not to touch the wall of the well, shake gently to mix.
3. Incubation: seal the plate with the sealing film and incubate at 37 ° C for 30 minutes.
4. Mixing solution: dilute 20 times concentrated washing solution with distilled water 20 times and reserve
5. Washing: Carefully peel off the sealing film, discard the liquid, spin dry, fill each well with the washing liquid, let it stand for 30 seconds, then discard, repeat 5 times and pat dry.
6. Add enzyme: add 50μl of enzyme label reagent to each well, except blank well.
7. Incubation: The operation is the same as 3.
8. Washing: The operation is the same as 5.
9. Color development: Add 50μl of developer A to each well, and then add 50μl of developer B, mix gently, and develop for 15 minutes in the dark at 37 ℃.
10. Termination: Add 50μl of stop solution to each well to terminate the reaction (at this time, the blue color turns to yellow).
11. Determination: Measure the absorbance (OD value) of each well in sequence with the blank air conditioner at zero and 450nm wavelength. The measurement should be carried out within 15 minutes after adding the stop solution.
Calculation: Taking the concentration of the standard as the abscissa and the OD value as the ordinate, draw a standard curve on the graph paper, and find the corresponding concentration from the standard curve according to the OD value of the sample; then multiply it by the dilution factor; or use the standard The linear regression equation of the standard curve is calculated by the concentration and OD value of the sample, and the OD value of the sample is substituted into the equation to calculate the sample concentration, and then multiplied by the dilution factor, which is the actual concentration of the sample.
Precautions:
1. The kit should be taken out of the refrigerated environment and equilibrated at room temperature for 15-30 minutes before use. If the enzyme-coated plate is unsealed after opening, the strip should be stored in a sealed bag.
2. Crystals may be precipitated in the concentrated washing liquid, which can be heated and dissolved in a water bath during dilution, and the results will not be affected during washing.
3. The sampler should be used at each step of sample addition, and the accuracy should be regularly checked to avoid test errors. It is best to control the sampling time within 5 minutes. If there are many specimens, it is recommended to use a volley gun to add samples.
4. Please make a standard curve at the same time of each measurement, it is best to make a double hole. If the content of the test substance in the specimen is too high (the OD value of the sample is greater than the OD value of the first well of the standard well), please dilute it with a certain multiple of the sample diluent (n times) before measuring, and finally multiply by the total dilution Multiple (× n × 5).
5. The sealing film is limited to one-time use to avoid cross-contamination.
6. Please keep the substrate away from light.
7. Strictly follow the instructions, and the test results must be determined by the microplate reader.
8. All samples, washing liquids and various wastes should be treated as infectious agents.
9. The components of different batches of this reagent shall not be mixed.
10. If there is any difference with the English manual, the English manual shall prevail.
Storage conditions and validity period:
1. Kit storage: 2-8 ° C.
2. Validity: 6 months
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