Universal ELISA Kits

ALD(Aldosterone) ELISA Kit
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Product No

FY-EU1162

Sample Type

Serum, Plasma and Other biological fluids

Assay Time

1.5H

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Product Details
Product Name in English:
ALD(Aldosterone) ELISA Kit
Species:
Universal
Alternative Name:
ALD
Assay Type:
Competitive
Standard:
2000pg/mL
Sensitivity:
28.87 pg/mL
Detection Range:
31.25-2000pg/mL
Assay Time:
1.5H
Sample Type:
Serum, Plasma and Other biological fluids
Research:
Metabolic pathway;Endocrinology;Hormone metabolism;
Test Principle:
This ELISA kit uses the Competitive-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with ALD. Standards or samples are added to the appropriate micro ELISA plate wells then with a biotin-conjugated antibody specific to ALD. Next,Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added. 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 ALD 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 0.248
1000 0.364
500 0.574
250 0.848
125 1.135
62.5 1.535
31.25 1.811
0 2.493
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 (%) 80-91 86-97 92-105
Average (%) 81 97 93
1:4 Range (%) 89-103 86-97 87-98
Average (%) 90 88 95
1:8 Range (%) 82-95 90-98 85-92
Average (%) 92 97 91
1:16 Range (%) 86-99 80-93 80-96
Average (%) 94 87 95
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
Assay Procedures
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