EasyPro Series ELISA Kits

EasyPro Universal Cyclic Guanosine Monophosphate(cGMP)ELISA Kit
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Product No

FY-EU10082S

Sample Type

Serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids

Assay Time

45min

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Product Details
Product Name in English:
EasyPro Universal Cyclic Guanosine Monophosphate(cGMP)ELISA Kit
Species:
Universal
Alternative Name:
c-GMP; 3',5'-Cyclic GMP; Cyclic 3',5'-GMP; Guanosine 3',5'-Cyclic Phosphate
Assay Type:
Competitive
Standard:
10000pg/mL
Sensitivity:
45.2 pg/mL
Detection Range:
156.25-10000 pg/mL
Assay Time:
45min
Sample Type:
Serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
Research:
Signal transduction;Metabolic pathway;
Test Principle:
This ELISA kit uses the Competitive-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with cGMP Samples (or Standards) and Horseradish Peroxidase (HRP) linked antibody specific for cGMP are added to the micro ELISA plate wells. cGMP in samples (or standards) competes with a fixed amount of cGMP on the solid phase supporter for sites on the HRP linked detection antibody specific to cGMP. 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 cGMP 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
10000 0.265 0.268 0.267
5000 0.365 0.367 0.366
2500 0.559 0.568 0.564
1250 0.82 0.823 0.822
625 1.115 1.131 1.123
312.5 1.51 1.521 1.516
156.25 1.824 1.852 1.838
0 2.488 2.509 2.499
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) 87-99 93
EDTA plasma (n=8) 80-95 86
Cell culture media (n=8) 95-107 101
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 (%) 88-97 85-94 83-90
Average (%) 90 85 87
1:4 Range (%) 86-92 85-94 95-102
Average (%) 86 88 102
1:8 Range (%) 81-93 80-96 93-101
Average (%) 87 95 95
1:16 Range (%) 89-105 92-101 97-105
Average (%) 101 99 99
Assay Procedures
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