Rat RBP4(Retinol Binding Protein 4, Plasma) ELISA Kit

Mfr.No.

ELK1907

Sensitivity

0.117 ng/mL

Detection Range

0.32-20 ng/mL

Reactivity

Rat

Assay Duration

3.5h

Assay Type

Sandwich

Alternative Names

PRBP; RBP; Plasma retinol-binding protein

Recovery

Matrices listed below were spiked with certain level of recombinant RBP4 and the recovery rates were calculated by comparing the measured value to the expected amount of RBP4 in samples.

Matrix	Recovery range	Average
serum(n=5)	87-95%	91%
EDTA plasma(n=5)	87-99%	93%
Heparin plasma(n=5)	93-107%	100%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of RBP4 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)	83-98%	88-97%	96-105%	86-92%
EDTA plasma(n=5)	79-96%	85-99%	79-93%	89-97%
Heparin plasma(n=5)	85-94%	87-101%	89-99%	85-95%

Typical Data

Concentration (ng/mL)	OD	Corrected OD
20.00	1.842	1.746
10.00	1.647	1.551
5.00	1.240	1.144
2.50	0.897	0.801
1.25	0.572	0.476
0.63	0.389	0.293
0.32	0.221	0.125
0.00	0.096	0.000

Limit Of Detection

20 ng/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 RBP4. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Rat RBP4. 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 RBP4, 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 RBP4 in the samples is then determined by comparing the OD of the samples to the standard curve.

Protocol

Datasheet

UniProt ID	P04916

Applications	ELISA
Research Area	Metabolic pathway;Endocrinology;Hormone metabolism;

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SKU	Supplier No.	Size	Your price	Quantity
BHE15205533	ELK1907	48T	$320		Add to Cart
BHE15205533	ELK1907	96T	$458		Add to Cart

Rat RBP4(Retinol Binding Protein 4, Plasma) ELISA Kit

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