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Human F9(Coagulation Factor Ⅸ) ELISA Kit

Citations(1)Uniprot : P00740

Cat.No.:E-EL-H0760
Reactivity: Human

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Product Details

Properties

Assay type	Sandwich-ELISA
Format	96T/48T
Assay time	3.5h
Detection range	1.25-80 ng/mL
Sensitivity	0.75 ng/mL
Sample type &Sample volume	serum, plasma and other biological fluids; 100μL
Specificity	This kit recognizes Human F9 in samples. No significant cross-reactivity or interference between Human F9 and analogues was observed.
Reproducibility	Both intra-CV and inter-CV are < 10%.
Application	This ELISA kit applies to the in vitro quantitative determination of Human F9 concentrations in serum, plasma and other biological fluids.

Test Principle

This ELISA kit uses the Sandwich-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with an antibody specific to Human F9. Standards or samples are added to the micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for Human F9 and Avidin-Horseradish Peroxidase (HRP) conjugate are added successively to each micro plate well and incubated. Free components are washed away. The substrate solution is added to each well. Only those wells that contain Human F9, biotinylated detection antibody and Avidin-HRP conjugate will appear blue in color. The enzyme-substrate reaction is terminated by the addition of stop solution and the color turns yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450 nm ± 2 nm. The OD value is proportional to the concentration of Human F9. You can calculate the concentration of Human F9 in the samples by comparing the OD of the samples to the standard curve.

Kit components & Storage

An unopened kit can be stored at 2-8℃ for 1 month. If the kit is not supposed to be used within 1 month, store the components separately according to the following conditions once the kit is received.

Item	Specifications	Storage
Micro ELISA Plate(Dismountable)	96T: 8 wells ×12 strips 48T: 8 wells ×6 strips	-20℃, 12 months
Reference Standard	96T: 2 vials 48T: 1 vial
Concentrated Biotinylated Detection Ab (100×)	96T: 1 vial, 120 μL 48T: 1 vial, 60 μL
Concentrated HRP Conjugate (100×)	96T: 1 vial, 120 μL 48T: 1 vial, 60 μL	-20℃(Protect from light), 12 months
Reference Standard & Sample Diluent	1 vial, 20 mL	2-8°C, 12 months
Biotinylated Detection Ab Diluent	1 vial, 14 mL
HRP Conjugate Diluent	1 vial, 14 mL
Concentrated Wash Buffer (25×)	1 vial, 30 mL
Substrate Reagent	1 vial, 10 mL	2-8℃(Protect from light)
Stop Solution	1 vial, 10 mL	2-8°C
Plate Sealer	5 pieces
Manual	1 copy
Certificate of Analysis	1 copy

Technical Data

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, mid range and high level Human F9 were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, mid range and high level Human F9 were tested on 3 different plates, 20 replicates in each plate.

	Intra-assay Precision			Inter-assay Precision
Sample	1	2	3	1	2	3
n	20	20	20	20	20	20
Mean (ng/mL)	4.40	12.40	31.00	4.30	11.30	28.00
Standard deviation	0.20	0.70	1.50	0.30	0.70	1.40
CV (%)	4.55	5.65	4.84	6.98	6.19	5.00

Recovery

The recovery of Human F9 spiked at three different levels in samples throughout the range of the assay was evaluated in various matrices.

Sample Type	Range (%)	Average Recovery (%)
Serum(n=8)	93-107	100
EDTA plasma (n=8)	93-105	99
Cell culture media (n=8)	84-97	90

Linearity

Samples were spiked with high concentrations of Human F9 and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.

Target Information

Database Links	SwissProt: P00740
Synonyms	HEMB, P19, PTC, THPH8, Christmas Factor
Research Area	Cardiovascular, Immunology

Assay Procedures

	1. Add 100μL standard or sample to the wells. Incubate for 90 min at 37°C
	2. Discard the liquid, immediately add 100μL Biotinylated Detection Ab working solution to each well. Incubate for 60 min at 37°C
	3. Aspirate and wash the plate for 3 times
	4. Add 100μL HRP conjugate working solution. Incubate for 30 min at 37°C. Aspirate and wash the plate for 5 times
	5. Add 90μL Substrate Reagent. Incubate for 15 min at 37°C
	6. Add 50μL Stop Solution
	7. Read the plate at 450nm immediately. Calculation of the results

Citations

Frontiers in Neuroscience (2020) IF: 4.677

Serum Exosomal Proteins F9 and TSP-1 as Potential Diagnostic Biomarkers for Newly Diagnosed Epilepsy

DOI: 10.3389/fnins.2020.00737
PMID: 32848539	Sample: Serum

Reviews/Q&A

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Reviews
Q&A

D****mSubmitted [ Feb 22 2024 ]

Asked: I have some questions related to storage of human F9 ELISA Kit (E-EL-H0760). In your instruction, Kit can be stored in 4 C when kit is used within 1 month. Otherwise, components inside kit should be stored separately 4 C and -20 C. But one of my colleagues, had some mistakes. The kit have been remained unopened and stored in 4 C for 28 days (received at Jan 24, 2024; today is Feb 22, 2024). In this case, we wonder whether the kit can be used after transfer of some components to -20 C even after 1 month. Please reply to me asap after checking this Q&A. Many thanks for your answer in advance.

adminSubmitted [ Feb 22 2024 ]

Answered: Please confirm whether the kit can be used for more than a month even if it is stored at 4℃. ---The kit can be stored at 2-8℃ for 3 months in the case of unopened. If the kit is used after 3 months, store the items separately according to the manual once the kit is received. If I store a component at 4℃ for 4 weeks and then transfer it to -20℃, how long can I still use the kit? ---5 months.

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