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Human KRT6A(Keratin 6A) Microsample ELISA Kit
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ELK4079MS
Size： Price：
48 T $320.00
96 T $458.00
96 T*5 $1947.00
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Overview

Product name: Human KRT6A(Keratin 6A) Microsample ELISA Kit
Reactivity: Human
Alternative Names: K6A; KRT6C; KRT6D; CK6C; K6C; CK6D; K6D; Keratin 6C; Keratin 6D; Keratin, type II cytoskeletal 6A; Type-II keratin Kb6
Assay Type: Sandwich
Sensitivity: 6.6 pg/mL
Standard: 1000 pg/mL
Detection Range: 15.63-1000 pg/mL
Sample Type: Serum, plasma, tissue homogenates and other biological fluids
Assay Length: 3.5h
Research Area: Tumor immunity;
Uniprot ID: P02538
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 KRT6A. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human KRT6A. 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 KRT6A, 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 KRT6A in the samples is then determined by comparing the OD of the samples to the standard curve.

Standard curve

Concentration (pg/mL) OD Corrected OD
1000.00 2.074 1.986
500.00 1.625 1.537
250.00 1.153 1.065
125.00 0.863 0.775
62.50 0.520 0.432
31.25 0.312 0.224
15.63 0.176 0.088
0.00 0.088 0.000

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 KRT6A and the recovery rates were calculated by comparing the measured value to the expected amount of KRT6A in samples.
Matrix Recovery range Average
serum(n=5) 89-112% 101%
EDTA plasma(n=5) 94-115% 105%
Heparin plasma(n=5) 92-99% 96%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of KRT6A and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
Matrix 1:2 1:4 1:8 1:16
serum(n=5) 92-107% 89-111% 83-93% 90-118%
EDTA plasma(n=5) 92-113% 93-118% 85-90% 82-116%
Heparin plasma(n=5) 90-98% 83-95% 85-108% 94-113%

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