RayBio® Human Ephrin-A4/EFNA4 ELISA Kit for Serum, Plasma, and Cell Culture Supernatants.
Lead time: Typically ships within 1-2 business days. No Friday shipments.
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Product Description
Specifications
| Size | 1 Plate Kit, 2 Plate Kit, 5 Plate Kit |
| Estimated Lead Time | 1-2 business days |
| Species | Human |
| Sensitivity | 1.35 ng/ml Need more sensitivity? Check out the new NexaTag® kit for this target. Still not enough? Then your answer is our Ultrasensitive Biomarker Testing Service powered by Simoa™ technology. |
| Detection Range | 1.35 ng/ml - 320 ng/ml |
| Specificity | This ELISA kit shows no cross-reactivity with the following cytokines tested: human B7-2 (CD86), BAFF R (TNFRSF13C), Calcitonin, Calsyntenin-1, Cathepsin E, cIAP-2 (HIAP-1), Coagulation Factor VII, Complement MASP3, Endocan, EphA2, EphB4, FGF-23, FGF-5, Flt-3 (Flk-2), GLP-1 (7-37 & 7-36-NH2), Glypican 2, GM-CSF R alpha, GP73 (GOLM1), HTRA2 (Omi), IL-20 R alpha, IL-4 R alpha, JAM-C, Luteinizing Hormone (LH), Matrilin-3, Meprin alpha (MEP1A), MSP R (Ron), N-Cadherin, Neprilysin-2 (MMEL1), NKp44, Pappalysin-1 (PAPP-A), Parathyroid hormone (PTH), Pepsinogen II (PGC), Peptide YY (PYY), Presenilin 1 (PSEN1), SOX2, TFPI-2, TRACP (ACP5), Trefoil factor 3(TFF3), Ubiquitin+1. |
| Compatible Sample Types | Cell Culture Supernatants, Plasma, Serum |
| Recommended Dilution (Serum/Plasma) | 3 fold |
| Accession Number | P52798 |
| Gene Id | 1945 |
| Gene Symbols | EFNA4, EPLG4, LERK4 |
| Protein Name / Synonyms | Ephrin-A4 (EPH-related receptor tyrosine kinase ligand 4) (LERK-4) |
| Quantitative/Semi-Quantitative | Quantitative |
| Solid Support | 96-well Microplate |
| Design Principle | Sandwich-based |
| Method Of Detection | Colorimetric |
| Shipping Type | Blue ice |
| Storage | ≤-20°C |
Standard Curves
Spiking & Recovery Results
Linearity Results
Application Notes
Kit Components
- Pre-Coated 96-well Strip Microplate
- Wash Buffer
- Stop Solution
- Assay Diluent(s)
- Lyophilized Standard
- Biotinylated Detection Antibody
- Streptavidin-Conjugated HRP
- TMB One-Step Substrate
Other Materials Required
- Distilled or deionized water
- Precision pipettes to deliver 2 µl to 1 µl volumes
- Adjustable 1-25 µl pipettes for reagent preparation
- 100 µl and 1 liter graduated cylinders
- Tubes to prepare standard and sample dilutions
- Absorbent paper
- Microplate reader capable of measuring absorbance at 450nm
- Log-log graph paper or computer and software for ELISA data analysis
Protocol Outline
- Prepare all reagents, samples and standards as instructed in the manual.
- Add 100 µl of standard or sample to each well.
- Incubate 2.5 h at RT or O/N at 4°C.
- Add 100 µl of prepared biotin antibody to each well.
- Incubate 1 h at RT.
- Add 100 µl of prepared Streptavidin solution to each well.
- Incubate 45 min at RT.
- Add 100 µl of TMB One-Step Substrate Reagent to each well.
- Incubate 30 min at RT.
- Add 50 µl of Stop Solution to each well.
- Read at 450 nm immediately.
Storage/Stability
The entire kit may be stored at -20°C for up to 1 year from the date of shipment. Avoid repeated freeze-thaw cycles. The kit may be stored at 4°C for up to 6 months. For extended storage, it is recommended to store at -80°C.
