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人碳酸酐酶Ⅸ(CA9)酶聯(lián)免疫吸附檢測試劑盒

ELK1373

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

下載說明 ①

Overview

Product name:	Human CA9(Carbonic Anhydrase IX) ELISA Kit
Reactivity:	Human
Alternative Names:	CA-IX; CAIX; MN; pMW1; P54/58N; Carbonic Dehydratase; Renal cell carcinoma-associated antigen G250; RCC-Associated Protein G250; Carbonate dehydratase IX
Assay Type:	Sandwich
Sensitivity:	2.9 pg/mL
Standard:	500 pg/mL
Detection Range:	7.82-500 pg/mL
Sample Type:	Serum, plasma, tissue homogenates and other biological fluids.
Assay Length:	3.5h
Research Area:	Enzyme & Kinase;
Uniprot ID:	Q16790
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 CA9. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human CA9. 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 CA9, 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 CA9 in the samples is then determined by comparing the OD of the samples to the standard curve.

標(biāo)準(zhǔn)曲線

Concentration (pg/mL)	OD	Corrected OD
500.00	2.128	2.025
250.00	1.517	1.414
125.00	1.185	1.082
62.50	0.896	0.793
31.25	0.547	0.444
15.63	0.335	0.232
7.82	0.215	0.112
0.00	0.103	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 CA9 and the recovery rates were calculated by comparing the measured value to the expected amount of CA9 in samples.

Matrix	Recovery range	Average
serum(n=5)	80-95%	87%
EDTA plasma(n=5)	86-99%	92%
Heparin plasma(n=5)	83-98%	90%

線性

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of CA9 and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.