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人微管关联蛋白τ(MAPt)酶联免疫吸附检测试剂盒

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ELK2729

规格：	价格：
48T	￥1960.00
96T	￥2800.00

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Overview

Product name:	Human MAPt(Microtubule Associated Protein Tau) ELISA Kit
Reactivity:	Human
Alternative Names:	DDPAC; FTDP-17; MAPTL; MSTD; MTBT1; MTBT2; PPND; Neurofibrillary tangle protein; Tau Protein; Paired helical filament-tau; G Protein Beta1/Gamma2 Subunit-Interacting Factor 1
Assay Type:	Sandwich
Sensitivity:	0.053 ng/mL
Standard:	10 ng/mL
Detection Range:	0.16-10 ng/mL
Sample type:	tissue homogenates, cell lysates, cell culture supernates and other biological fluids
Assay length:	3.5h
Research Area:	Metabolic pathway;Neuro science;Developmental science;
Uniprot ID:	P10636
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 MAPt. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human MAPt. 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 MAPt, 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 MAPt in the samples is then determined by comparing the OD of the samples to the standard curve.

标准曲线

Concentration (ng/mL)	OD	Corrected OD
10.00	2.401	2.305
5.00	1.563	1.467
2.50	1.108	1.012
1.25	0.835	0.739
0.63	0.531	0.435
0.32	0.379	0.283
0.16	0.214	0.118
0.00	0.096	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 MAPt and the recovery rates were calculated by comparing the measured value to the expected amount of MAPt in samples.

Matrix	Recovery range	Average
serum(n=5)	88-106%	97%
EDTA plasma(n=5)	81-95%	88%
Heparin plasma(n=5)	78-92%	85%

线性

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