ELISA Kit for Tissue Factor Pathway Inhibitor (TFPI)
TFI; EPI; LACI; TFPI1; Lipoprotein-Associated Coagulation Inhibitor; Extrinsic pathway inhibitor
- Product No.SEA394Hu
- Organism SpeciesHomo sapiens (Human) Same name, Different species.
- Sample Typeplasma, urine, tissue homogenates, cell culture supernates and other biological fluids
- Test MethodDouble-antibody Sandwich
- Assay Length3h
- Detection Range1.56-100ng/mL
- SensitivityThe minimum detectable dose of this kit is typically less than 0.64ng/mL.
- DownloadInstruction Manual
- UOM 48T96T 96T*5 96T*10 96T*100
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This assay has high sensitivity and excellent specificity for detection of Tissue Factor Pathway Inhibitor (TFPI).
No significant cross-reactivity or interference between Tissue Factor Pathway Inhibitor (TFPI) and analogues was observed.
Matrices listed below were spiked with certain level of recombinant Tissue Factor Pathway Inhibitor (TFPI) and the recovery rates were calculated by comparing the measured value to the expected amount of Tissue Factor Pathway Inhibitor (TFPI) in samples.
|Matrix||Recovery range (%)||Average(%)|
|sodium citrate plasma(n=5)||96-104||101|
Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Tissue Factor Pathway Inhibitor (TFPI) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Tissue Factor Pathway Inhibitor (TFPI) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Tissue Factor Pathway Inhibitor (TFPI) and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
|sodium citrate plasma(n=5)||91-104%||86-96%||84-103%||91-98%|
The stability of kit is determined by the loss rate of activity. The loss rate of this kit is less than 5% within the expiration date under appropriate storage condition.
To minimize extra influence on the performance, operation procedures and lab conditions, especially room temperature, air humidity, incubator temperature should be strictly controlled. It is also strongly suggested that the whole assay is performed by the same operator from the beginning to the end.
Reagents and materials provided
|Pre-coated, ready to use 96-well strip plate||1||Plate sealer for 96 wells||4|
|Detection Reagent A||1×120µL||Assay Diluent A||1×12mL|
|Detection Reagent B||1×120µL||Assay Diluent B||1×12mL|
|TMB Substrate||1×9mL||Stop Solution||1×6mL|
|Wash Buffer (30 × concentrate)||1×20mL||Instruction manual||1|
Assay procedure summary
1. Prepare all reagents, samples and standards;
2. Add 100µL standard or sample to each well. Incubate 1 hours at 37°C;
3. Aspirate and add 100µL prepared Detection Reagent A. Incubate 1 hour at 37°C;
4. Aspirate and wash 3 times;
5. Add 100µL prepared Detection Reagent B. Incubate 30 minutes at 37°C;
6. Aspirate and wash 5 times;
7. Add 90µL Substrate Solution. Incubate 10-20 minutes at 37°C;
8. Add 50µL Stop Solution. Read at 450nm immediately.
|South African Journal of Child Health||Tissue factor pathway inhibitor in paediatric patients with nephrotic syndrome Sajch: 383|
|the journal of immunology||Cathepsin G in Experimental Tuberculosis: Relevance for Antibacterial Protection and Potential for Immunotherapy PubMed: 26320257|
|Molecular Nutrition & Food Research||Trans‐fatty acid promotes thrombus formation in mice by aggravating antithrombogenic endothelial functions via Toll‐like receptors PubMed: 25546502|
|Molecular Carcinogenesis||Endothelial cell‐anchored tissue factor pathway inhibitor regulates tumor metastasis to the lung in mice PubMed: 25945811|
|Cell Biology International||Extracellular vesicles from malignant effusions induce tumor cell migration: inhibitory effect ofLMWH tinzaparin. pubmed:27435911|
|International Journal of Infectious Diseases||Kunitz-type protease inhibitor as a vaccine candidate against schistosomiasis mansoni pubmed:29128645|