Testosterone ELISA Kit for Research | LBRB-021U

SKU Code	LBRB-021U
Species	Universal
Sensitivity	0.09 ng/mL
Detection Range	0.16-10ng/mL
Size	96 T \| 48 T
Price	$ 365 \| $ 265

Description

Testosterone ELISA Kit - Product Details
Alternative Names	T; Testesteron; Testeronun
Uniprot ID	N/A
Standard	10 ng/mL
Detection method	Competitive
Sample type	Serum, Plasma, Other biological fluids,Sample volume: 50μL
Reaction time	1.5H
Research Area	Signaling transduction；Cancer；Immunology；Metabolism
Test Principle
This ELISA kit uses the Sandwich-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with an antibody specific to TGF-β1. Standards or samples are added to the micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for TGF-β1 and Avidin-Horseradish Peroxidase (HRP) conjugate are added successively to each micro plate well and incubated. Free components are washed away. The substrate solution is added to each well. Only those wells that contain TGF-β1, biotinylated detection antibody and Avidin-HRP conjugate will appear blue in color. 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 nm ± 2 nm. The OD value is proportional to the concentration of TGF-β1. You can calculate the concentration of TGF-β1 in the samples by comparing the OD of the samples to the standard curve.

Additional information

Sensitivity	0.09 ng/mL
Detection Range	0.16-10ng/mL

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
10.00	0.259
5.00	0.403
2.50	0.628
1.25	1.022
0.63	1.351
0.31	1.822
0.16	1.962
0.00	2.529

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)	78.74	168.07	112.36	81.97	125.79	139.86
Standard deviation	8.39	18.54	58.04	10.44	23.08	72.24
C V (%)	3.88	7.29	3.24	3.44	7.78	5.32

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(%)	Avg Recovery(%)
Serum (n=8)	87-99	93
EDTA plasma (n=8)	93-107	100
Cell culture media (n=8)	87-99	93

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 (%)	93-102	81-94	82-96
1:2	Average (%)	96	86	88
1:4	Range (%)	80-93	81-94	89-102
1:4	Average (%)	92	85	95
1:8	Range (%)	91-100	96-105	82-94
1:8	Average (%)	95	103	91
1:16	Range (%)	88-95	92-103	85-96
1:16	Average (%)	90	99	87

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