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小鼠白介素4(IL4)酶聯(lián)免疫吸附檢測試劑盒

ELK1153

規格：	價(jià)格：
48T	￥1680.00
96T	￥2400.00

下載說(shuō)明 ①

Overview 文獻

Product name:	Mouse IL4(Interleukin 4) ELISA Kit
Reactivity:	Mouse
Alternative Names:	IL-4;BSF1; BCGF1 ; B Cell Stimulatory Factor 1; Lymphocyte stimulatory factor 1; B Cell Growth Factor; Binetrakin; Pitrakinra
Assay Type:	Sandwich
Sensitivity:	3.3 pg/mL
Standard:	500 pg/mL
Detection Range:	7.82-500 pg/mL
Sample Type:	serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
Assay Length:	3.5h
Research Area:	Cytokine;Immune molecule;
Uniprot ID:	P07750
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 Mouse IL4. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Mouse IL4. 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 Mouse IL4, 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 Mouse IL4 in the samples is then determined by comparing the OD of the samples to the standard curve.

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標準曲線(xiàn)

Concentration (pg/mL)	OD	Corrected OD
500.00	2.043	1.946
250.00	1.731	1.634
125.00	1.253	1.156
62.50	0.819	0.722
31.25	0.509	0.412
15.63	0.357	0.260
7.82	0.257	0.160
0.00	0.097	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 IL4 and the recovery rates were calculated by comparing the measured value to the expected amount of IL4 in samples.

Matrix	Recovery range	Average
serum(n=5)	84-95%	88%
EDTA plasma(n=5)	82-97%	92%
Heparin plasma(n=5)	87-99%	94%

線(xiàn)性

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of IL4 and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.