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Human COL2α1(Collagen Type Ⅱ Alpha 1) ELISA Kit

Citations(5)Uniprot : P02458

Cat.No.:E-EL-H0777
Reactivity: Human

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Product Details

Properties

Assay type	Sandwich-ELISA
Format	96T/48T
Assay time	3.5h
Detection range	0.63-40 ng/mL
Sensitivity	0.38 ng/mL
Sample type &Sample volume	serum, plasma and other biological fluids; 100μL
Specificity	This kit recognizes Human COL2α1 in samples. No significant cross-reactivity or interference between Human COL2α1 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 COL2α1 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 COL2α1. 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 COL2α1 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 COL2α1, 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 COL2α1. You can calculate the concentration of Human COL2α1 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℃, 6 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), 6 months
Reference Standard & Sample Diluent	1 vial, 20 mL	2-8°C, 6 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 COL2α1 were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, mid range and high level Human COL2α1 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)	2.00	4.50	17.40	2.20	4.10	18.60
Standard deviation	0.10	0.30	0.60	0.10	0.20	0.90
CV (%)	5.00	6.67	3.45	4.55	4.88	4.84

Recovery

The recovery of Human COL2α1 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)	89-101	96
EDTA plasma (n=8)	85-96	90
Cell culture media (n=8)	88-99	94

Linearity

Samples were spiked with high concentrations of Human COL2α1 and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.

Target Information

Database Links	SwissProt: P02458
Synonyms	COL2A1, ANFH, AOM, COL11A3, SEDC
Research Area	Cancer, Signal transduction, Stem cells

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

CELLULAR ONCOLOGY (2018) IF: 4.761
Identification of biomarkers associated with partial epithelial to mesenchymal transition in the secretome of slug over-expressing hepatocellular carcinoma cells

DOI: 10.1007/s13402-018-0384-6

Sample: HepG2 cells,Huh7 cells
Experimental and Therapeutic Medicine (2021) IF: 2.447
Vicenin 3 ameliorates ECM degradation by regulating the MAPK pathway in SW1353 chondrocytes

DOI: 10.3892/etm.2021.10896

Sample: SW1353 cell
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS (2017) IF: 2.466
Protective effect of p53 on the viability of intervertebral disc nucleus pulposus cells under low glucose condition

DOI: 10.1016/j.bbrc.2017.07.055

Sample: Cell lysate
Applied Sciences-Basel (2021) IF: 2.679
Protective Effects of Annatto Tocotrienol and Palm Tocotrienol-Rich Fraction on Chondrocytes Exposed to Monosodium Iodoacetate

DOI: 10.3390/app11209643

Sample: SW1353 chondrocyte
Molecular Medicine Reports (2019) IF: 1.851
Chrysin protects human osteoarthritis chondrocytes by inhibiting inflammatory mediator expression via HMGB1 suppression

DOI: 10.3892/mmr.2018.9724

PMID: 30535473
Sample: Cell culture medium

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