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Rat BK(Bradykinin) ELISA Kit

Cat.No.:E-EL-R0124
Reactivity: Rat

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Product Details

Properties

Assay type	Competitive-ELISA
Format	96T/48T
Assay time	2.0h
Detection range	1.25-80 ng/mL
Sensitivity	0.75 ng/mL
Sample type &Sample volume	serum, plasma and other biological fluids; 50μL
Specificity	This kit recognizes BK in samples. No significant cross-reactivity or interference between BK and analogues was observed.
Reproducibility	Both intra-CV and inter-CV are < 10%.
Application	This ELISA kit applies to the in vitro quantitative determination of BK concentrations in serum, plasma and other biological fluids.

Test Principle

This ELISA kit uses the Competitive-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with BK. During the reaction, BK in the sample or standard competes with a fixed amount of BK on the solid phase supporter for sites on the Biotinylated Detection Ab specific to BK. Excess conjugate and unbound sample or standard are washed away, and Avidin-Horseradish Peroxidase (HRP) conjugate are added to each micro plate well and incubated. Then a TMB substrate solution is added to each well. The enzyme-substrate reaction is terminated by the addition of stop solution and the color turns from blue to yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450 nm ± 2 nm. The concentration of BK in tested samples can be calculated by comparing the OD of the samples to the standard curve.

Kit components & Storage

An unopened kit can be stored at 2-8℃ for 1 month. If the kit is not supposed to be used within 1 month, store the components separately according to the following conditions once the kit is received.

Item	Specifications	Storage
Micro ELISA Plate(Dismountable)	96T: 8 wells ×12 strips 48T: 8 wells ×6 strips	-20℃, 6 months
Reference Standard	96T: 2 vials 48T: 1 vial
Concentrated Biotinylated Detection Ab (100×)	96T: 1 vial, 120 μL 48T: 1 vial, 60 μL
Concentrated HRP Conjugate (100×)	96T: 1 vial, 120 μL 48T: 1 vial, 60 μL	-20℃(Protect from light), 6 months
Reference Standard & Sample Diluent	1 vial, 20 mL	2-8°C, 6 months
Biotinylated Detection Ab Diluent	1 vial, 14 mL
HRP Conjugate Diluent	1 vial, 14 mL
Concentrated Wash Buffer (25×)	1 vial, 30 mL
Substrate Reagent	1 vial, 10 mL	2-8℃(Protect from light)
Stop Solution	1 vial, 10 mL	2-8℃
Plate Sealer	5 pieces
Manual	1 copy
Certificate of Analysis	1 copy

Technical Data

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, mid range and high level BK were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, mid range and high level BK were tested on 3 different plates, 20 replicates in each plate.

	Intra-assay Precision			Inter-assay Precision
Sample	1	2	3	1	2	3
n	20	20	20	20	20	20
Mean (ng/mL)	3.80	6.90	27.80	3.50	6.90	29.20
Standard deviation	0.20	0.40	1.50	0.20	0.40	1.10
CV (%)	5.26	5.80	5.40	5.71	5.80	3.77

Recovery

The recovery of BK 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)	88-99	93
EDTA plasma(n=8)	93-105	99
Cell culture media(n=8)	91-109	99

Linearity

Samples were spiked with high concentrations of Rat BK and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.

Target Information

Synonyms	BK
Research Area	Cancer, Cardiovascular, Signal transduction

Assay Procedures

	1. Add 50μL standard or sample to the wells, immediately add 50μL Biotinylated Detection Ab working solution to each well. Incubate for 45 min at 37°C
	2. Aspirate and wash the plate for 3 times
	3. Add 100μL HRP conjugate working solution. Incubate for 30 min at 37°C. Aspirate and wash the plate for 5 times
	4. Add 90μL Substrate Reagent. Incubate for 15 min at 37°C
	5. Add 50μL Stop Solution
	6. Read the plate at 450nm immediately. Calculation of the results

Citations

From now on, if you have published a paper by using any of our products since 1/1/2019, fill out the “Elabscience Publication Reward Application Form”carefully and send it to orders@elabscience.com, we will get back to you with the reward after we confirm it ASAP!

View more details about our Publication Reward >>

Stem Cell Research & Therapy (2021) IF: 6.832

Pretreatment of cardiac progenitor cells with bradykinin attenuates H2O2-induced cell apoptosis and improves cardiac function in rats by regulating autophagy

DOI: 10.1186/s13287-021-02503-6
	Sample: heart

Food & Function (2020) IF: 5.396

Antihypertensive effects of Trichiurus lepturus myosin hydrolysate in spontaneously hypertensive rats

DOI: 10.1039/C9FO02687H
PMID: 32296790	Sample: Plasma

LIFE SCIENCES (2018) IF: 3.234

The expression of bradykinin and its receptors in spinal cord ischemia-reperfusion injury rat model

DOI: 10.1016/j.lfs.2018.12.034
PMID: 30580020	Sample: Serum

Natural Product Communications (2020) IF: 0.468

Regulation of PI3k-WNK Pathway by Ethyl Acetate Partition Fraction of Gardenia jasminoides var. radicans Makino in SHR, NRK52e Cells, and IMCD3 Cells:

DOI: 10.1177/1934578X20920989
	Sample: Serum

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