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Zebrafish CAT(Catalase) ELISA Kit

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Katalog-Nummer NB-66-24004-96T

Size : 96T

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Zebrafish CAT(Catalase) ELISA Kit
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ELK8860
Size： ：
48 T
96 T
96 T*5
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Product name: Zebrafish CAT(Catalase) ELISA Kit
Reactivity: Zebrafish
Alternative Names: Cat; Cas-1; Cas1Catalase
Assay Type: Sandwich
Sensitivity: 6.3 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: Enzyme & Kinase;Metabolic pathway;Hepatology;
Uniprot ID: Q9PT92
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 Zebrafish CAT. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Zebrafish CAT. 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 Zebrafish CAT, 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 Zebrafish CAT 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 1.932 1.837
500.00 1.629 1.534
250.00 1.115 1.020
125.00 0.852 0.757
62.50 0.543 0.448
31.25 0.305 0.210
15.63 0.187 0.092
0.00 0.095 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 CAT and the recovery rates were calculated by comparing the measured value to the expected amount of CAT in samples.
Matrix Recovery range Average
serum(n=5) 89-105% 97%
EDTA plasma(n=5) 81-95% 88%
Heparin plasma(n=5) 86-99% 92%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of CAT 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) 83-97% 81-103% 89-101% 81-98%
EDTA plasma(n=5) 93-102% 78-92% 87-98% 80-93%
Heparin plasma(n=5) 87-98% 92-105% 95-107% 82-96%

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