CSB-E11330p豬傳染性胃腸炎病毒抗體-IgG（TGEV-IgG）ELISA試劑盒說明書

【資料簡介】

 

 Procine TGEV-IgG ELISA Kit

Catalog No. CSB-E11330p

（96 tests）

?          This immunoassay kit allows for the in vitro semi-quantitative determination of Procine TGEV-IgG concentrations in serum, plasma and other biological fluids.

?          Expiration date six months from the date of manufacture

?          FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC PROCEDURES.

 

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PRINCIPLE OF THE ASSAY

The microtiter plate provided in this kit has been pre-coated with purified TGEV antigen. Samples are then added to the appropriate microtiter plate wells and incubated. Then add Horseradish Peroxidase （HRP）-conjugated anti-procine IgG to each well and incubate. Finally, a TMB （3,3'5, 5' tetramethyl-benzidine） substrate solution is added to each well. The enzyme-substrate reaction is terminated by the addition of a sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450 nm ± 2 nm. Calculate the valence of TGEV-IgG in the samples.

SPECIFICITY

This assay recognizes Procine TGEV-IgG, No significant cross-reactivity or interference was observed.

MATERIALS PROVIDED STORAGE

Reagent Quantity Assay plate 1 Sample Diluent 1 x 20 ml HRP-anti-porcine IgG Diluent 1×10ml HRP-anti-porcine IgG 1×120μl（1：100）   1 x 20 ml Wash Buffer     （25×concentrate） TMB Substrate 1 x 10 ml Stop Solution 1 x 10 ml

 

1          Unopened test kits should be stored at 2-8?C upon receipt and the microtiter plate should be kept in a sealed bag with desiccants to minimize exposure to damp air. The test kit may be used throughout the expiration date of the kit. Refer to the package label for the expiration date.

2          Opened test kits will remain stable until the expiring date shown, provided it is stored as prescribed above.

3          A microtiter plate reader with a bandwidth of 10 nm or less and an optical density range of 0-3 OD or greater at 450nm wavelength is acceptable for use in absorbance measurement.

 

REAGENT PREPARATION

Bring all reagents to room temperature before use.

1          Wash Buffer If crystals have formed in the concentrate, warm up to room temperature and mix gently until the crystals have compley dissolved. Dilute 20 ml of Wash Buffer Concentrate into deionized or distilled water to prepare 500 ml of Wash Buffer.

2          HRP-anti-Procine IgG Dilute to the working concentration specified on the vial label using HRP-anti-porcine IgG Diluent （1:100）, respectively.

 

Precaution: The Stop Solution provided with this kit is an acid solution. Wear eye, hand, face, and clothing protection when using this material.

OTHER SUPPLIES REQUIRED

?          Microplate reader capable of measuring absorbance at 450 nm, with the correction wavelength set at 540 nm or 570 nm.

?          Pipettes and pipette tips.

?          Deionized or distilled water.

?        ? Squirt bottle, manifold dispenser, or automated microplate washer. SAMPLE COLLECTION AND STORAGE

?          Cell Culture Supernates Remove particulates by centrifugation and assay immediay or aliquot and store samples at -20° C. Avoid repeated freeze-thaw cycles.

?          Serum Use a serum separator tube （SST） and allow samples to clot for 30 minutes before centrifugation for 15 minutes at 1000 x g. Remove serum and assay immediay or aliquot and store samples at -20°C. Avoid repeated freeze-thaw cycles.

?          Plasma Collect plasma using citrate, EDTA, or heparin as an anticoagulant. Centrifuge for 15 minutes at 1000 g within 30 minutes of collection. Assay immediay or aliquot and store samples at -20°C. Avoid repeated freeze-thaw cycles.

 

Note: Grossly hemolyzed samples are not suitable for use in this assay.

ASSAY PROCEDURE

Bring all reagents and samples to room temperature before use. It is recommended that all samples, and controls be assayed in duplicate.

 

1. Add 100μl of Blank, or Sample per well. Cover with the adhesive strip. Incubate for 1hours at 37° C.

2. Remove the liquid of each well and wash, repeating the process for a total of 3 washes 。Wash by filling each well with Wash Buffer （200μl） using a squirt bottle, multi-channel pipette, manifold dispenser or autowasher. Complete removal of liquid at each step is essential to good performance. After the last wash, remove any remaining Wash Buffer by aspirating or decanting. Invert the plate and blot it against clean paper towels.

3. Add 100μl of HRP-anti-procine IgG working solution to each well. Incubate for 1 hour at 37°C. HRP-anti-procine IgG working solution may appear cloudy. Warm up to room temperature and mix gently until solution appears uniform.

4. Aspirate each well and wash, repeating the process for a total of five washes. Wash by filling each well with Wash Buffer （200μl） using a squirt bottle, multi-channel pipette, manifold dispenser or autowasher. Complete removal of liquid at each step is essential to good performance. After the last wash, remove any remaining Wash Buffer by aspirating or decanting. Invert the plate and blot it against clean paper towels.

5. Add 90μl of TMB Substrate to each well. Incubate for 20 minutes at 37°C. Keeping the plate away from drafts and other temperature fluctuations in the dark.

6. Add 50μl of Stop Solution to each well. If color change does not appear uniform, gently tap the plate to ensure thorough mixing.

7. Determine the optical density of each well within 30 minutes, using a microplate reader set to 450 nm.

 

CALCULATION OF RESULTS

For calculation the valence of Procine TGEV-IgG, please dilute the sample from 1:40 using Sample Diluent. Compare the sample well with control. The dilution factor with significant difference color is determined as the final valence.

LIMITATIONS OF THE PROCEDURE

?          The kit should not be used beyond the expiration date on the kit label.

?          Do not mix or substitute reagents with those from other lots or sources.

?          Any variation in operator, pipetting technique, washing technique, incubation time or temperature, and kit age can cause variation in binding.

?          This assay is designed to eliminate interference by soluble receptors, binding proteins, and other factors present in biological samples. Until all factors have been tested in the Quantikine Immunoassay, the possibility of interference cannot be excluded.

 

TECHNICAL HINTS

? When mixing or reconstituting protein solutions, always avoid foaming.

 

?          To avoid cross-contamination, change pipette tips between sample additions, and between reagent additions. Also, use separate reservoirs for each reagent.

?          When using an automated plate washer, adding a 30 second soak period following the addition of wash buffer, and/or rotating the plate 180 degrees between wash steps may improve assay precision.

?          To ensure accurate results, proper adhesion of plate sealers during incubation steps is necessary.

?          Substrate Solution should remain colorless until added to the plate. Keep Substrate Solution protected from light. Substrate Solution should change from colorless to gradations of blue.

?          Stop Solution should be added to the plate in the same order as the Substrate Solution. The color developed in the wells will turn from blue to yellow upon addition of the Stop Solution. Wells that are green in color indicate that the Stop Solution has not mixed thoroughly with the Substrate Solution.