ISO Standard Human ELISA Kit ARHGEF1 Immunoassays Test Kit 2.79ng/L Sensitivity
Brand Name:BT Lab
Certification:CE, ISO9001:2005, MSDS
Model Number:Cat.No E3234Hu
Minimum Order Quantity:Negotiation
Delivery Time:1-3 business days, bulk order within one week
Place of Origin:Shanghai, China
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Product Details
Human High Sensitivity and Specificity ARHGEF1 Immunoassays Test
Kit For Accurate Quantitative Detection
Cat.No E3234Hu
Standard Curve Range: 5ng/L - 1000ng/L
Sensitivity: 2.79ng/L
Intended Use
This sandwich kit is for the accurate quantitative detection of
Human Rho Guanine Nucleotide Exchange Factor 1 (also known as
ARHGEF1) in serum, plasma, cell culture supernates, cell lysates,
tissue homogenates.
Specimen Collection
Serum Allow serum to clot for 10-20 minutes at room temperature.
Centrifuge at 2000-3000 RPM for 20 minutes.
Plasma Collect plasma using EDTA or heparin as an anticoagulant.
Centrifuge samples for 15 minutes at 2000-3000 RPM at 2 - 8°C
within 30 minutes of collection.
Urine Collect by sterile tube. Centrifuge at 2000-3000 RPM for
approximately 20 minutes. When collecting pleuroperitoneal fluid
and cerebrospinal fluid, please follow the procedures
above-mentioned.
Cell Culture Supernatant Collect by sterile tubes when examining secrete components.
Centrifuge at 2000-3000 RPM for approximately 20 minutes. Collect
the supernatants carefully. When examining the components within
the cell, use PBS (pH 7.2-7.4) to dilute cell suspension to the
cell concentration of approximately 1 million/ml. Damage cells
through repeated freeze-thaw cycles to let out the inside
components. Centrifuge at 2000-3000 RPM for approximately 20
minutes.
Tissue other body fluids Rinse tissues in PBS (pH 7.4) to remove excess blood thoroughly
and weigh before homogenization. Mince tissues and homogenize them
in PBS (pH7.4) with a glass homogenizer on ice. Thaw at 2-8°C or
freeze at -20°C. Centrifuge at 2000-3000 RPM for approximately 20
minutes.
Note
- Sample concentrations should be predicted before being used in the assay. If the sample concentration is not within the range of the standard curve, users must contact us to determine the optimal sample for their particular experiments.
- Samples to be used within 5 days should be stored at 2-8°C. Samples should be aliquoted or must be stored at -20°C within 1 month or -80°C within 6 months. Avoid repeated freeze thaw cycles.
- Samples should be brought to room temperature before starting the assay.
- Centrifuge to collect sample before use.
- Samples containing NaN3 can’t be tested as it inhibits the activity of Horse Radish Peroxidase (HRP).
- Collect the supernatants carefully. When sediments occurred during storage, centrifugation should be performed again.
- Hemolysis can greatly impact the validity of test results. Take care to minimize hemolysis.
*Sample can't be diluted with this kit. Owing to the the material we use to prepare the kit, the sample
matrix interference may falsely depress the specificity and
accuracy of the assay.
Reagent Preparation
All reagents should be brought to room temperature before use.
Standard Reconstitute the 120μl of the standard (1280ng/L) with 120μl of
standard diluent to generate a 640ng/L 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 (640ng/L) 1:2 with standard
diluent to produce 320ng/L, 160ng/L, 80ng/L and 40ng/L solutions.
Standard diluent serves as the zero standard(0 ng/L). Any remaining
solution should be frozen at -20°C and used within one month.
Dilution of standard solutions suggested are as follows:
| 640ng/L | Standard No.5 | 120μl Original Standard + 120μl Standard Diluent |
| 320ng/L | Standard No.4 | 120μl Standard No.5 + 120μl Standard Diluent |
| 160ng/L | Standard No.3 | 120μl Standard No.4 + 120μl Standard Diluent |
| 80ng/L | Standard No.2 | 120μl Standard No.3 + 120μl Standard Diluent |
| 40ng/L | Standard No.1 | 120μl Standard No.2 + 120μl Standard Diluent |
| Standard Concentration | Standard No.5 | Standard No.4 | Standard No.3 | Standard No.2 | Standard No.1 |
| 1280ng/L | 640ng/L | 320ng/L | 160ng/L | 80ng/L | 40ng/L |
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-ARHGEF1
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.
ISO Standard Human ELISA Kit ARHGEF1 Immunoassays Test Kit 2.79ng/L Sensitivity
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