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ELK Biotechnology

ELK9600

Human COLEC11(Collectin Sub-Family Member 11) ELISA Kit

Human COLEC11(Collectin Sub-Family Member 11) ELISA Kit

Sensitivity

Human COLEC11(Collectin Sub-Family Member 11) ELISA Kit

Overview

Product name: Human COLEC11(Collectin Sub-Family Member 11) ELISA Kit
Reactivity: Human
Alternative Names: CL-K1; Collectin-11; UNQ596/PRO1182
Assay Type: Sandwich
Sensitivity: 46.88 pg/mL
Standard: 5000 pg/mL
Detection Range: 78.13-5000 pg/mL
Sample Type: serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
Assay Length: 3.5h
Research Area: Metabolic pathway;Developmental science;Nutrition metabolism;Bone metabolism;
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 COLEC11. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human COLEC11. 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 COLEC11, 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 COLEC11 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
5000.00 2.096 2.028
2500.00 1.631 1.563
1250.00 1.175 1.107
625.00 0.921 0.853
312.50 0.528 0.460
156.25 0.336 0.268
78.13 0.175 0.107
0.00 0.068 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 COLEC11 and the recovery rates were calculated by comparing the measured value to the expected amount of COLEC11 in samples.
Matrix Recovery range Average
serum(n=5) 93-107% 100%
EDTA plasma(n=5) 81-95% 88%
Heparin plasma(n=5) 96-107% 101%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of COLEC11 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) 82-98% 86-101% 87-96% 92-105%
EDTA plasma(n=5) 82-93% 81-96% 89-97% 82-96%
Heparin plasma(n=5) 85-96% 87-101% 88-96% 81-95%
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