Rat ATF4(Activating Transcription Factor 4) ELISA Kit

Mfr.No.

ELK7264

Sensitivity

28 pg/mL

Detection Range

78.13-5000 pg/mL

Reactivity

Rat

Assay Duration

3.5h

Assay Type

Sandwich

Alternative Names

TAXREB67; TXREB; CREB-2; DNA-binding protein TAXREB67; Cyclic AMP-responsive element-binding protein 2; Tax-responsive enhancer element-binding protein 67

Recovery

Matrices listed below were spiked with certain level of recombinant ATF4 and the recovery rates were calculated by comparing the measured value to the expected amount of ATF4 in samples.

Matrix	Recovery range	Average
serum(n=5)	80-93%	86%
EDTA plasma(n=5)	80-95%	87%
Heparin plasma(n=5)	95-107%	101%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of ATF4 and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.

Matrix	1:2	1:4	1:8	1:16
serum(n=5)	86-97%	90-98%	80-93%	92-105%
EDTA plasma(n=5)	86-99%	93-107%	85-94%	87-101%
Heparin plasma(n=5)	86-101%	86-101%	87-96%	92-105%

Typical Data

Concentration (pg/mL)	OD	Corrected OD
5000.00	2.154	2.085
2500.00	1.593	1.524
1250.00	0.935	0.866
625.00	0.752	0.683
312.50	0.532	0.463
156.25	0.324	0.255
78.13	0.234	0.165
0.00	0.069	0.000

Limit Of Detection

5000 pg/mL

Precision

Intra-assay Precision (Precision within an assay)?CV%<8%
Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision.
Inter-assay Precision (Precision between assays)?CV%<10%
Three samples of known concentration were tested in forty separate assays to assess inter-assay precision.

Usage Notes

The test principle applied in this kit is Sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre-coated with an antibody specific to Rat ATF4. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Rat ATF4. Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added, only those wells that contain Rat ATF4, biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. 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 Rat ATF4 in the samples is then determined by comparing the OD of the samples to the standard curve.

Protocol

Datasheet

UniProt ID	Q9ES19

Applications	ELISA
Research Area	Signal transduction;Developmental science;

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SKU	Supplier No.	Size	Your price	Quantity
BHE15204681	ELK7264	48T	$320		Add to Cart
BHE15204681	ELK7264	96T	$458		Add to Cart

Rat ATF4(Activating Transcription Factor 4) ELISA Kit

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