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Human LGALS3BP(Lectin Galactoside Binding, Soluble 3 Binding Protein) ELISA Kit
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ELK2191
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48 T $320.00
96 T $458.00
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Overview

Product name: Human LGALS3BP(Lectin Galactoside Binding, Soluble 3 Binding Protein) ELISA Kit
Reactivity: Human
Alternative Names: MAC-2-BP; LGALS3-BP; Galectin-3-Binding Protein; L3 Antigen; Mac-2-Binding Protein; Tumor-associated antigen 90K; Serum Protein 90K; Basement membrane autoantigen p105
Assay Type: Sandwich
Sensitivity: 0.63 ng/mL
Standard: 100 ng/mL
Detection Range: 1.57-100 ng/mL
Sample type: serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
Assay length: 3.5h
Research Area: Tumor immunity;Infection immunity;Immunodeficiency;
Uniprot ID: Q08380
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 LGALS3BP. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human LGALS3BP. 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 LGALS3BP, 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 LGALS3BP 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
100.00 1.972 1.887
50.00 1.472 1.387
25.00 0.913 0.828
12.50 0.747 0.662
6.25 0.527 0.442
3.13 0.354 0.269
1.57 0.161 0.076
0.00 0.085 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 LGALS3BP and the recovery rates were calculated by comparing the measured value to the expected amount of LGALS3BP in samples.
Matrix Recovery range Average
serum(n=5) 80-95% 87%
EDTA plasma(n=5) 83-97% 90%
Heparin plasma(n=5) 78-92% 85%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of LGALS3BP 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) 85-90% 83-96% 95-102% 88-95%
EDTA plasma(n=5) 86-93% 93-101% 85-98% 90-101%
Heparin plasma(n=5) 91-99% 83-97% 87-105% 87-99%