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Rat PCSK6(Proprotein Convertase Subtilisin/Kexin Type 6) Microsample ELISA Kit
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ELK10835MS
Size： Price：
48 T $320.00
96 T $458.00
96 T*5 $1947.00
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Overview

Product name: Rat PCSK6(Proprotein Convertase Subtilisin/Kexin Type 6) Microsample ELISA Kit
Reactivity: Rat
Alternative Names: PACE4; SPC4; Paired Basic Amino Acid Cleaving System 4; Subtilisin-Like Proprotein Convertase 4; Subtilisin/Kexin-Like Protease PACE4
Assay Type: Sandwich
Sensitivity: 1.26 ng/mL
Standard: 200 ng/mL
Detection Range: 3.13-200 ng/mL
Sample Type: tissue homogenates, cell lysates and other biological fluids
Assay Length: 3.5h
Research Area: Enzyme & Kinase;
Uniprot ID: Q63415
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 Rat PCSK6. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Rat PCSK6. 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 Rat PCSK6, 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 Rat PCSK6 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
200.00 1.927 1.847
100.00 1.618 1.538
50.00 1.212 1.132
25.00 0.812 0.732
12.50 0.496 0.416
6.25 0.348 0.268
3.13 0.127 0.047
0.00 0.080 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 PCSK6 and the recovery rates were calculated by comparing the measured value to the expected amount of PCSK6 in samples.
Matrix Recovery range Average
serum(n=5) 83-102% 93%
EDTA plasma(n=5) 88-106% 97%
Heparin plasma(n=5) 85-92% 89%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of PCSK6 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) 89-103% 84-99% 80-87% 89-103%
EDTA plasma(n=5) 89-95% 88-107% 82-102% 95-109%
Heparin plasma(n=5) 88-113% 91-105% 93-118% 81-88%

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