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2025.05.28 18:06

[ELK Biotechnology 공식 대리점]TGF-b1(TransformingGrowth Factor Beta 1) ELISA Kit(Activation Required)(ELK10034)

  • AI바이오허브 오래 전 2025.05.28 18:06 제품소개 인기
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Product name:TGF-b1(TransformingGrowth Factor Beta 1) ELISA Kit(Activation Required)
Reactivity:General
Alternative Names:Cartilage-inducing factor,CED,Differentiation inhibiting factor,DPD1,LAP,Latency-associated peptide,Prepro transforming growth factor beta 1,TGF beta 1,TGF beta,TGF beta 1 protein,TGF-beta 1 protein,TGF-beta-1,TGF-beta-5,TGF-beta1,TGFB,Tgfb-1,tgfb1,TGFB1,TGFbeta,TGFbeta1,Transforming Growth Factor b1,Transforming Growth Factor beta 1,Transforming growth factor beta 1a,transforming growth factor beta-1,transforming growth factor,beta 1,Transforming Growth Factor-ß1
Assay Type:Sandwich
Sensitivity:0.11 ng/mL
Standard:10 ng/mL
Detection Range:0.16-10 ng/mL
Sample Type:Activated serum, plasma
Assay Length:3.5h
Research Area:Cytokine;Tumor immunity;Infection immunity;
Test principle:The test principle applied in this kit is Sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre-coated with an antibody specific to TGF-b1. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to TGF-b1. Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added, only those wells that contain TGF-b1, biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. The enzyme-substrate reaction is terminated by the addition of sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of TGF-b1 in the samples is then determined by comparing the OD of the samples to the standard curve.

Standard curve

Concentration (ng/mL)ODCorrected OD
10.002.2582.170
5.001.5931.505
2.501.1361.048
1.250.8470.759
0.630.5180.430
0.320.3850.297
0.160.2260.138
0.000.0880.000




Precision

Intra-assay Precision (Precision within an assay):CV%<8%

Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision.

Inter-assay Precision (Precision between assays):CV%<10%

Three samples of known concentration were tested in forty separate assays to assess inter-assay precision.

Recovery

Matrices listed below were spiked with certain level of recombinant TGF-b1 and the recovery rates were calculated by comparing the measured value to the expected amount of TGF-b1 in samples.
MatrixRecovery rangeAverage
serum(n=5)82-95%88%
EDTA plasma(n=5)87-101%94%
Heparin plasma(n=5)87-99%93%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of TGF-b1 and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
Matrix1:21:41:81:16
serum(n=5)83-96%93-102%95-103%93-102%
EDTA plasma(n=5)82-96%92-103%90-99%89-102%
Heparin plasma(n=5)85-96%82-96%85-98%95-104%



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