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人組織內轉化生長因子β結合蛋白2(LTBP2)酶聯免疫吸附檢測試劑盒

ELK2129

規格：	價格：
48T	￥1960.00
96T	￥2800.00

下載說明 ①

Overview 文獻

Product name:	Human LTBP2(Latent Transforming Growth Factor Beta Binding Protein 2) ELISA Kit
Reactivity:	Human
Alternative Names:	C14orf141; LTBP3
Assay Type:	Sandwich
Sensitivity:	0.132 ng/mL
Standard:	20 ng/mL
Detection Range:	0.32-20 ng/mL
Sample Type:	serum, plasma, urine, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
Assay Length:	3.5h
Research Area:	Signal transduction;Infection immunity;Bone metabolism;
Uniprot ID:	Q14767
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 Human LTBP2. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human LTBP2. 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 Human LTBP2, 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 Human LTBP2 in the samples is then determined by comparing the OD of the samples to the standard curve.

Frontiers in Pharmacology

Latent Transforming Growth Factor-β Binding Protein-2 Regulates Lung Fibroblast-to-Myofibroblast Differentiation in Pulmonary Fibrosis via NF-κB Signaling

日期：2021-11-02 IF：5.988
Clinical and Experimental Medicine

Plasma LTBP2 as a potential biomarker in differential diagnosis of connective tissue disease-associated interstitial lung disease and idiopathic pulmonary fibrosis: a pilot study

日期：2023-10-02 IF：4.6
Annals of Hepatology

Integrated analyses and a novel nomogram for the prediction of significant fibrosis in patients

日期：2025-01-17 IF：3.7

標準曲線

Concentration (ng/mL)	OD	Corrected OD
20.00	2.054	1.965
10.00	1.624	1.535
5.00	0.935	0.846
2.50	0.752	0.663
1.25	0.508	0.419
0.63	0.345	0.256
0.32	0.207	0.118
0.00	0.089	0.000

精密度

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.

回收率

Matrices listed below were spiked with certain level of recombinant LTBP2 and the recovery rates were calculated by comparing the measured value to the expected amount of LTBP2 in samples.

Matrix	Recovery range	Average
serum(n=5)	96-104%	100%
EDTA plasma(n=5)	98-104%	102%
Heparin plasma(n=5)	95-107%	101%

線性

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of LTBP2 and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.