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Rat Ang1-7(Angiotensin 1-7) ELISA Kit

  • Cat.No.:E-EL-R1138

  • Reactivity: Rat

To Purchase E-EL-R1138

Size:
  • 96T
  • 48T
  • 24T
  • 96T*5
  • 96T*10
Price: $682
Qty:

Product Details

Properties

Assay type Competitive-ELISA
Format 48T/96T/96
Assay time 2.5h
Detection range 15.63-1000 pg/mL
Sensitivity 9.38 pg/mL
Sample type &Sample volume ; 50μL
Specificity This kit recognizes Ang1-7 in samples. No significant cross-reactivity or interference between Ang1-7 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 Ang1-7 concentrations in .

Test Principle

This ELISA kit uses the Competitive-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with Ang1-7. During the reaction, Ang1-7 in the sample or standard competes with a fixed amount of Ang1-7 on the solid phase supporter for sites on the Biotinylated Detection Ab specific to Ang1-7. 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 Ang1-7 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.
ItemSpecificationsStorage
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 Ang1-7 were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, mid range and high level Ang1-7 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 (pg/mL) 50.05 150.48 436.34 46.79 150.27 427.32
Standard deviation 2.53 8.29 13.61 3.13 7.62 16.37
CV (%) 5.05 5.51 3.12 6.69 5.07 3.83

Recovery

The recovery of Ang1-7 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) 93-107 100
EDTA plasma(n=8) 87-100 93
Cell culture media(n=8) 95-107 101

Linearity

Samples were spiked with high concentrations of Rat Ang1-7 and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.

Target Information

Assay Procedures

elisa assay procedure 1

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

elisa assay procedure 2

2. Aspirate and wash the plate for 3 times

elisa assay procedure 3

3. Add 100μL HRP conjugate working solution. Incubate for 30 min at 37°C. Aspirate and wash the plate for 5 times

elisa assay procedure 4

4. Add 90μL Substrate Reagent. Incubate for 15 min at 37°C

elisa assay procedure 5

5. Add 50μL Stop Solution

elisa assay procedure 6

6. Read the plate at 450nm immediately. Calculation of the results

Citations

  1. Oxidative Medicine and Cellular Longevity (2022) IF: 6.543
    Controlled Hemorrhage Sensitizes Angiotensin II-Elicited Hypertension through Activation of the Brain Renin-Angiotensin System Independently of Endoplasmic Reticulum Stress

    DOI: 10.1155/2022/6371048

    PMID: 35069977

    Sample: plasma
  2. LIFE SCIENCES (2021) IF: 5.037
    CIHH protects the heart against left ventricular remodelling and myocardial fibrosis by balancing the renin-angiotensin system in SHR

    DOI: 10.1016/j.lfs.2021.119540

    PMID: 33930369

    Sample: serum,heart
  3. CHEMICO-BIOLOGICAL INTERACTIONS (2021) IF: 5.194
    Targeting inflammation and redox aberrations by perindopril attenuates methotrexate-induced intestinal injury in rats: Role of TLR4/NF-κB and c-Fos/c-Jun pro-inflammatory pathways and PPAR-γ/SIRT1 cytoprotective signals

    DOI: 10.1016/j.cbi.2021.109732

    PMID: 34737150

    Sample: intestinal tissue
  4. Pharmaceuticals (2022) IF: 5.215
    Azithromycin Mitigates Cisplatin-Induced Lung Oxidative Stress, Inflammation and Necroptosis by Upregulating SIRT1, PPARγ, and Nrf2/HO-1 Signaling

    DOI: 10.3390/ph16010052

    Sample: lungs
  5. Frontiers in Physiology (2021) IF: 4.566
    Chronic Intermittent Hypobaric Hypoxia Decreases High Blood Pressure by Stabilizing the Vascular Renin-Angiotensin System in Spontaneously Hypertensive Rats

    DOI: 10.3389/fphys.2021.639454

    Sample: serum
  6. BIOLOGICAL TRACE ELEMENT RESEARCH (2022) IF: 3.738
    Candesartan Protects Against Cadmium-Induced Hepatorenal Syndrome by Affecting Nrf2, NF-κB, Bax/Bcl-2/Cyt-C, and Ang II/Ang 1–7 Signals

    DOI: 10.1007/s12011-022-03286-4

    Sample: kidney
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