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[개 프리셉신 효소면역측정 키트] Dog Presepsin(Presepsin) ELISA Kit [ELK9674]_ELK Biotechnology - 코아사이언스
코피디 2024. 8. 9. 09:08Dog Presepsin(Presepsin) ELISA Kit
Cat. # ELK9674 / Size: 48T, 96T
Overview
Product name:
|
Dog Presepsin(Presepsin) ELISA Kit
|
Reactivity:
|
Dog
|
Alternative Names:
|
soluble CD14 subtype; sCD14-ST; Presepsin
|
Assay Type:
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Sandwich
|
Sensitivity:
|
4.54 pg/mL
|
Standard:
|
1000 pg/mL
|
Detection Range:
|
15.63-1000 pg/mL
|
Sample Type:
|
Serum, plasma and other biological fluids
|
Assay Length:
|
3.5h
|
Research Area:
|
Sepsis
|
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 Dog Presepsin. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Dog Presepsin. 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 Dog Presepsin, 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 Dog Presepsin 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
|
2.204
|
2.103
|
500.00
|
1.543
|
1.442
|
250.00
|
1.211
|
1.110
|
125.00
|
0.864
|
0.763
|
62.50
|
0.591
|
0.490
|
31.25
|
0.385
|
0.284
|
15.63
|
0.236
|
0.135
|
0.00
|
0.101
|
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 Presepsin and the recovery rates were calculated by comparing the measured value to the expected amount of Presepsin in samples.
Matrix
|
Recovery range
|
Average
|
serum(n=5)
|
82-94%
|
88%
|
EDTA plasma(n=5)
|
90-103%
|
96%
|
Heparin plasma(n=5)
|
80-95%
|
87%
|
Linearity
The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Presepsin 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)
|
88-95%
|
92-101%
|
87-98%
|
85-96%
|
EDTA plasma(n=5)
|
95-104%
|
93-102%
|
93-101%
|
86-92%
|
Heparin plasma(n=5)
|
81-93%
|
79-95%
|
85-94%
|
79-96%
|
코아사이언스 coresciences Korea ELK Biotechnology CO.,LTD ELK (Wuhan) Biotechnology CO.,Ltd. 한국 대리점 ELISA antibody 항체 면역학 연구 세포배양 분자생물학 시약
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