EasyPro Series ELISA Kits

EasyPro Human CPP(Copeptin) ELISA Kit
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Product No

FY-EH1470S

Sample Type

Serum, Plasma, Tissue homogenate and Other biological samples;Sample Volume=50μL

Assay Time

45min

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Product Details
Product Name in English:
EasyPro Human CPP(Copeptin) ELISA Kit
Species:
Human
Alternative Name:
CT-proAVP, C-Terminal Provasopressin, Vasopressin-Neurophysin 2-Copeptin
Uniport ID:
P01185(126~164aa)
Assay Type:
Competitive
Standard:
2000pg/mL
Sensitivity:
18.75 pg/mL
Detection Range:
31.25-2000pg/mL
Assay Time:
45min
Sample Type:
Serum, Plasma, Tissue homogenate and Other biological samples;Sample Volume=50μL
Research:
Enzyme & Kinase;Infection immunity;Endocrinology;Bone metabolism;Rheumatology;
Test Principle:
This ELISA kit uses the Competitive-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with CPP Samples (or Standards) and Horseradish Peroxidase (HRP) linked antibody specific for CPP are added to the micro ELISA plate wells. CPP in samples (or standards) competes with a fixed amount of CPP on the solid phase supporter for sites on the HRP linked detection antibody specific to CPP. Excess conjugate and unbound sample or standard are washed from the plate. The substrate solution is added to each well. The enzyme-substrate reaction is terminated by the addition of stop solution and the color turns yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450±2 nm. The concentration of CPP in the samples is then determined by comparing the OD of the samples to the standard curve.
Technical Data
As the OD values of the standard curve may vary according to the conditions of the actual assay performance (e.g. operator, pipetting technique, washing technique or temperature effects), the operator should establish a standard curve for each test. Typical standard curve and data is provided below for reference only.
Concentration OD1 OD2 Average OD Corrected
2000 0.204 0.208 0.206
1000 0.34 0.34 0.34
500 0.555 0.564 0.56
250 0.889 0.905 0.897
125 1.317 1.329 1.323
62.5 1.709 1.711 1.71
31.25 2.085 2.099 2.092
0 2.525 2.574 2.55
Precision
Intra-assay Precision (Precision within an assay): 3 samples with low, mid range and high level were tested 20 times on one plate, respectively. Inter-assay Precision (Precision between assays): 3 samples with low, mid range and high level were tested on 3 different plates, 20 replicates in each plate, respectively.
Item Intra-assay Precision Intra-assay Precision
Sample 3 3
Replicate 9 18
CV(%) 5 8
Rate of recovery
The recovery of spiked at three different levels in samples throughout the range of the assay was evaluated in various matrices.
Sample Type Range(%) Average Recovery(%)
Serum (n=8) 90-105 97
EDTA plasma (n=8) 80-95 87
Cell culture media (n=8) 83-95 89
Linear
Samples were spiked with high concentrations of target proteins and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.
Serum (n=5) EDTA plasma (n=5) Cell culture media (n=5)
1:2 Range (%) 92-105 85-94 85-95
Average (%) 92 92 86
1:4 Range (%) 92-101 85-94 95-104
Average (%) 97 87 103
1:8 Range (%) 80-94 87-101 82-94
Average (%) 86 100 86
1:16 Range (%) 86-101 89-99 86-96
Average (%) 92 92 91
Assay Procedures
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