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ELK Biotechnology

ELK9665

Human SAM68(Src associated in mitosis 68 kDa protein) ELISA Kit

Human SAM68(Src associated in mitosis 68 kDa protein) ELISA Kit

Sensitivity

Human SAM68(Src associated in mitosis 68 kDa protein) ELISA Kit

Overview

Product name: Human SAM68(Src associated in mitosis 68 kDa protein) ELISA Kit
Reactivity: Human
Alternative Names: KHDRBS1; SAM68; KH domain-containing; RNA-binding, signal transduction-associated protein 1; GAP-associated tyrosine phosphoprotein p62; Src-associated in mitosis 68 kDa protein; Sam68; p21 Ras GTPase-activating protein-associated p62; p68
Assay Type: Sandwich
Sensitivity: 0.053 ng/mL
Standard: 10 ng/mL
Detection Range: 0.16-10 ng/mL
Sample Type: Serum, plasma, tissue homogenates and other biological fluids
Assay Length: 3.5h
Research Area: Signal transduction; Epigenetics and Nuclear Signaling
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 SAM68. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human SAM68. 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 SAM68, 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 SAM68 in the samples is then determined by comparing the OD of the samples to the standard curve.

Standard curve

Concentration (ng/mL) OD Corrected OD
10.00 2.096 2.015
5.00 1.527 1.446
2.50 1.223 1.142
1.25 0.952 0.871
0.63 0.514 0.433
0.32 0.342 0.261
0.16 0.175 0.094
0.00 0.081 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 SAM68 and the recovery rates were calculated by comparing the measured value to the expected amount of SAM68 in samples.
Matrix Recovery range Average
serum(n=5) 85-97% 91%
EDTA plasma(n=5) 91-105% 98%
Heparin plasma(n=5) 80-97% 88%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of SAM68 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) 85-98% 95-104% 82-96% 83-97%
EDTA plasma(n=5) 86-97% 90-98% 88-97% 91-103%
Heparin plasma(n=5) 86-92% 89-97% 88-104% 87-96%
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