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Key features
| Sample type | Serum |
| Capacity | 96-well plate |
| Sensitivity | 1.0 pg/mL |
| Range | 0/2 – 80 pg/mL |
| Assay time | 75 min |
| Reactivity | Any species |
| Application | Research use or in vitro diagnostics (IVD in EU only) |
Frequently asked questions
TF-E-2200
FT4 ELISA kit – Serum
This FT4 ELISA kit is designed for the quantitative measurement of Free Thyroxine (FT4) in serum, primarily to evaluate thyroid function. Suitable for both in vitro diagnostic applications and research purposes, this reliable and efficient assay (75 minutes) features a 96-well plate format, making it optimal for high-throughput screening with fast turnaround times.
€249
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For questions, protocol recommendations, and troubleshooting, you have direct access to the scientist that developed the antibody or ELISA kit you’re using.
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A knowledge base containing protocols, Frequently Asked Questions, and troubleshooting tips is also available online.
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TF-E-2200
FT4 ELISA kit – Serum
Enzyme immunoassay for the direct quantitative determination of Free Thyroxine in human serum
Specifications
| Product name | FT4 ELISA |
| Description | In vitro diagnostics / Research enzyme immunoassay (ELISA) for the quantitative determination of Free Thyroxine in human serum. |
| Format | 96-well plate |
| Samples | Serum |
| Minimal sample volume | 25µL |
| Reactivity | Any species |
| Standard range | 0/2 – 80 pg/mL |
| Sensitivity | 1.0 pg/mL |
| Specificity | No significant cross-reactivity was observed with 3,3’,5-Triiodo-L-Thyronine (T3), 3,3’,5’-Triiodo-D-Thyronine, 3,3’,5’-Triiodothyropropionic acid |
| Assay time | 75 min |
Instructions
| Storage | Store at 2-8°C for to 6 months |
| Sample collection & storage | Serum samples: Stored at 2-8°C for up to 48h or -20°C for longer period (up to 6 months). |
| Sample preparation | Enzymatic conjugation (60 min) |
| ELISA | Incubation, revelation and read steps (15 min) |
