Catalog No: RE10124
rT3(Reverse Triiodothyronine) ELISA Kit
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48T

$299.00

96T

$399.00

Product Details

Species:

Universal

Alternative Name:

RT3; r-T3; Reverse T3; (2S)-2-Amino-3-[4-(4-Hydroxy-3,5-Diiodophenoxy)-3-Iodophenyl]propanoic Acid; 3,3',5'-Triiodo-L-thyronine

Assay Type:

Competitive

unit:

pg/mL

Standard:

6000 pg/mL

Sensitivity:

27.55 pg/mL

Detection Range:

93.75-6000 pg/mL

Assay Time:

1.5H

Sample Type:

Serum, Plasma and Other biological fluids

Research:

Infection immunity;Endocrinology;Hormone metabolism;Autoimmunity;

Test Principle:

This ELISA kit uses the Competitive-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with rT3. Standards or samples are added to the appropriate micro ELISA plate wells then with a biotin-conjugated antibody specific to rT3. 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 rT3 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.
pg/mL OD Corrected
6000 0.168
3000 0.346
1500 0.585
750 0.83
375 1.155
187.5 1.514
93.75 1.759
0 2.519

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.

Intra-assay Precision Inter-assay Precision
Sample 1 2 3 1 2 3
n 20 20 20 20 20 20
Mean(ng/mL) 118.11 252.1 1685.39 122.95 188.68 2097.9
Standard deviation 12.59 27.81 87.06 15.67 34.62 108.36
C V (%) 3.55 4.63 3.34 6.03 4.41 3.61

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) 82-96 87
EDTA plasma (n=8) 86-97 92
Cell culture media (n=8) 84-103 96

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 85-104 82-90
Average (%) 96 88 85
1:4 Range (%) 91-98 85-104 85-102
Average (%) 91 89 97
1:8 Range (%) 86-103 87-106 80-92
Average (%) 93 94 87
1:16 Range (%) 80-91 83-92 87-103
Average (%) 81 84 92

Assay Procedures

Description