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Porcine Enzyme Linked Immunosorbent Assay Test Kit With 2 Hours Assay Time

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Porcine Enzyme Linked Immunosorbent Assay Test Kit With 2 Hours Assay Time

Brand Name : BT Lab

Model Number : Cat.No E0048Po

Certification : CE, ISO9001:2005, MSDS

Place of Origin : Shanghai, China

MOQ : Negotiation

Price : Negotiation

Supply Ability : Western Union, T/T

Delivery Time : 1-3 business days, bulk order within one week

Packaging Details : Wrapped with ice pack and styrofoam package

Standard Curve Range : 0.2ng/ml - 70ng/ml

Sensitivity : 0.125ng/ml

Sample : Serum,plasma,urine,tissue,cell culture supernatant

Size : 96 wells

Storage : 2-8°C

Quality : CE, ISO

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Porcine High Specificity and Sensitivity C-reactive Protein ELISA Test Kit With 2 Hours Assay Time


Cat.No E0048Po


Intended Use

This sandwich kit is for the accurate quantitative detection of Porcine C-reactive Protein (also known as CRP/PTX1) in serum, plasma, cell culture supernates, cell lysates, tissue homogenates.

Assay Principle

This elisa test kit is an Enzyme-Linked Immunosorbent Assay (ELISA). The plate has been pre-coated with Porcine CRP/PTX1 antibody. CRP/PTX1 present in the sample is added and binds to antibodies coated on the wells. And then biotinylated Porcine CRP/PTX1 Antibody is added and binds to CRP/PTX1 in the sample. Then Streptavidin-HRP is added and binds to the Biotinylated CRP/PTX1 antibody. After incubation unbound Streptavidin-HRP is washed away during a washing step. Substrate solution is then added and color develops in proportion to the amount of Porcine CRP/PTX1. The reaction is terminated by addition of acidic stop solution and absorbance is measured at 450 nm.


Precautions

  • Prior to use, the elisa test kit and sample should be warmed naturally to room temperature 30 minutes.
  • This instruction must be strictly followed in the experiment.
  • Once the desired number of strips has been removed, immediately reseal the bag to protect the remain from deterioration. Cover all reagents when not in use.
  • Make sure pipetting order and rate of addition from well-to-well when pipetting reagents.
  • Pipette tips and plate sealer in hand should be clean and disposable to avoid cross-contamination.
  • Avoid using the reagents from different batches together.
  • Substrate solution B is sensitive to light, don’t expose substrate solution B to light for a long time.
  • Stop solution contains acid. Please wear eye, hand and skin protection when using this material. Avoid contact of skin or mucous membranes with kit reagent
  • The elisa test kit should not be used beyond the expiration date.

Reagent Preparation

All reagents should be brought to room temperature before use.

Standard Reconstitute the 120μl of the standard (80ng/ml) with 120μl of standard diluent to generate a 40ng/ml standard stock solution. Allow the standard to sit for 15 mins with gentle agitation prior to making dilutions. Prepare duplicate standard points by serially diluting the standard stock solution (40ng/ml) 1:2 with standard diluent to produce 20ng/ml, 10ng/ml, 5ng/ml and 2.5ng/ml solutions. Standard diluent serves as the zero standard(0 ng/ml). Any remaining solution should be frozen at -20°C and used within one month. Dilution of standard solutions suggested are as follows:


40ng/mlStandard No.5120μl Original Standard + 120μl Standard Diluent
20ng/mlStandard No.4120μl Standard No.5 + 120μl Standard Diluent
10ng/mlStandard No.3120μl Standard No.4 + 120μl Standard Diluent
5ng/mlStandard No.2120μl Standard No.3 + 120μl Standard Diluent
2.5ng/mlStandard No.1120μl Standard No.2 + 120μl Standard Diluent

Standard ConcentrationStandard No.5Standard No.4Standard No.3Standard No.2Standard No.1
80ng/ml40ng/ml20ng/ml10ng/ml5ng/ml2.5ng/ml

Wash Buffer Dilute 20ml of Wash Buffer Concentrate 25x into deionized or distilled water to yield 500 ml of 1x Wash Buffer. If crystals have formed in the concentrate, mix gently until the crystals have completely dissolved.


Assay Procedure

1. Prepare all reagents, standard solutions and samples as instructed. Bring all reagents to room temperature before use. The assay is performed at room temperature.

2. Determine the number of strips required for the assay. Insert the strips in the frames for use. The unused strips should be stored at 2-8°C.

3. Add 50μl standard to standard well. Note: Don’t add antibody to standard well because the standard solution contains biotinylated antibody.

4. Add 40μl sample to sample wells and then add 10μl anti-CRP/PTX1 antibody to sample wells, then add 50μl streptavidin-HRP to sample wells and standard wells (Not blank control well). Mix well. Cover the plate with a sealer. Incubate 60 minutes at 37°C.

5. Remove the sealer and wash the plate 5 times with wash buffer. Soak wells with at least 0.35 ml wash buffer for 30 seconds to 1 minute for each wash. For automated washing, aspirate all wells and wash 5 times with wash buffer, overfilling wells with wash buffer. Blot the plate onto paper towels or other absorbent material.

6. Add 50μl substrate solution A to each well and then add 50μl substrate solution B to each well. Incubate plate covered with a new sealer for 10 minutes at 37°C in the dark.

7. Add 50μl Stop Solution to each well, the blue color will change into yellow immediately.

8. Determine the optical density (OD value) of each well immediately using a microplate reader set to 450 nm within 10 minuets after adding the stop solution.



Product Tags:

elisa reagent kit

      

elisa kit

      
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