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382012 Ataxin 2 (ATXN2) BioAssay™ ELISA Kit (Human)

Specifications
Brand
BioAssay™
Kit Type
Sandwich ELISA
Tests
96
Sample Volume
100ul
Sensitivity
0.47ng/mL
Detection Method
Colorimetric
Detection Range
0.78-50ng/mL
Sample Matrix
Serum, Plasma, Biological Fluids
EU Commodity Code
38220000
UN DOT Shipping
UN2796 PGII
Shipping Temp
Blue Ice
Storage Temp
4°C/-20°C

The Ataxin 2 (ATXN2) BioAssay™ ELISA Kit is a sandwich ELISA for the in vitro quantitative determination of ATXN2 concentrations in human serum, plasma and other biological fluids.

Detection Detection Range
0.78-50ng/ml
Sensitivity
0.47ng/ml
Precision
Intra-Assay %CV: <10% Inter-Assay %CV: <10%
Specificity
Recognizes human ATXN2. No significant cross-reactivity or interference between human ATXN2 and analogues was observed.
Test Principle
The microtiter plate provided in this kit has been pre-coated with an antibody specific to ATXN2. Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated antibody specific to ATXN2. Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. Free components are washed away. The substrate solution is added, only those wells that contain ATXN2, biotin-conjugated antibody and enzyme-conjugated Avidin will apear blue in color. The enzyme-substrate reaction is terminated by the addition of sulfuric acid solution and the color turns yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450nm ± 2nm. The OD value is proportional to the concentration of human ATXN2. The concentration of ATXN2 in the sample is then determined by comparing the O.D. of the sample to the standard curve.
Kit Components
*382012A: Microtiter Strips, 1x96 wells, Pre-coated; ready to use *382012B: Standard, 2x1vial 382012C: Standard Diluent, 1x20ml *382012D: Biotin Detection, 100X, 1x120ul *382012E: HRP Conjugate, 100X, 1x120ul 382012F: Biotin Detection Diluent, 1x14ml 382012G: HRP Diluent, 1x14ml 382012H: Substrate, 1x10ml 382012K: Stop Solution, 1x10ml 382012L: Wash Buffer, 25X, 1x30ml
Storage and Stability
Store *382012A, *382012B, *382012D and *382012E at -20°C. Store all the other components at 4°C. Unused kit is stable for 6 months after receipt. Once kit components are opened, it is highly recommended to use remaining reagents within 1 month provided this is within the expiration date of the kit. For maximum recovery of product, centrifuge the original vials after thawing and prior to removing the cap.
Assay Procedure Summary
1. Prepare all reagents, samples and standards. 2. Add 100ul standard or sample to each well. Incubate 90 minutes at 37°C. 3. Aspirate and add 100ul prepared Biotin Working Solution. Incubate 1 hour at 37°C. 4. Aspirate and wash 3 times. 5. Add 100ul prepared HRP Detection Working Solution. Incubate 30 minutes at 37°C. 6. Aspirate and wash 5 times. 7. Add 90ul Substrate. Incubate 15 minutes at 37°C. 8. Add 50ul Stop Solution. Read at 450nm immediately.
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