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Rat PⅠNP(Procollagen Ⅰ N-Terminal Propeptide) ELISA Kit

  • Cat.No.:E-EL-R1414

  • Reactivity: Rat

To Purchase E-EL-R1414

  • 96T
  • 48T
  • 24T
  • 96T*5
  • 96T*10
Price: $609

Product Details


Assay type Sandwich-ELISA
Format 96T/48T
Assay time 3.5h
Detection range 62.50-4000 pg/mL
Sensitivity 37.50 pg/mL
Sample type &Sample volume serum, plasma and other biological fluids; 100μL
Specificity This kit recognizes Rat PⅠNP in samples. No significant cross-reactivity or interference between Rat PⅠNP 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 Rat PⅠNP concentrations in serum, plasma and other biological fluids.

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 Rat PⅠNP. Standards or samples are added to the micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for Rat PⅠNP 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 Rat PⅠNP, 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 Rat PⅠNP. You can calculate the concentration of Rat PⅠNP in the samples 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.
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°C
Plate Sealer 5 pieces
Manual 1 copy
Certificate of Analysis 1 copy

Technical Data


Intra-assay Precision (Precision within an assay): 3 samples with low, mid range and high level Rat PⅠNP were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, mid range and high level Rat PⅠNP 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) 211.34 396.29 1351.60 208.17 360.15 1320.24
Standard deviation 12.98 17.24 62.04 12.28 15.41 60.73
CV (%) 6.14 4.35 4.59 5.90 4.28 4.60


The recovery of Rat PⅠNP 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) 85-99 90
EDTA plasma (n=8) 89-103 95
Cell culture media (n=8) 89-102 95


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

Target Information

SynonymsP1NP, N-Propeptide Of Type I Procollagen, Procollagen I Amino Terminal Propeptide
Research AreaSignal Transduction

Assay Procedures

elisa assay procedure 1

1. Add 100μL standard or sample to the wells. Incubate for 90 min at 37°C

elisa assay procedure 2

2. Discard the liquid, immediately add 100μL Biotinylated Detection Ab working solution to each well. Incubate for 60 min at 37°C

elisa assay procedure 3

3. Aspirate and wash the plate for 3 times

elisa assay procedure 4

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

elisa assay procedure 5

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

elisa assay procedure 6

6. Add 50μL Stop Solution

elisa assay procedure 7

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


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, we will get back to you with the reward after we confirm it ASAP!

View more details about our Publication Reward >>

  1. Cellular Physiology and Biochemistry (2018) IF: 5.104
    Renal Denervation Effects on Myocardial Fibrosis and Ventricular Arrhythmias in Rats with Ischemic Cardiomyopathy.

    DOI: 10.1159/000489653

    PMID: 29742489

  2. Cell Death & Disease (2016) IF: 5.965
    Loss Of Rictor With Aging In Osteoblasts Promotes Age-Related Bone Loss.

    DOI: 10.1038/cddis.2016.249

    PMID: 27735936

    Sample: Serum
  3. Biomedicine & Pharmacotherapy (2020) IF: 4.545
    A prebiotic, short-chain fructo-oligosaccharides promotes peak bone mass and maintains bone mass in ovariectomized rats by an osteogenic mechanism

    DOI: 10.1016/j.biopha.2020.110448

    PMID: 32776872

    Sample: Serum
  4. Scientific Reports (2016) IF: 4.259
    Necrostatin-1 Treatment Inhibits Osteocyte Necroptosis And Trabecular Deterioration In Ovariectomized Rats.

    DOI: 10.1038/srep33803

    PMID: 27703177

    Sample: Serum
  5. Phytotherapy Research (2017) IF: 3.092
    Scopoletin-standardized Morinda Elliptica Leaf Extract Suppressed Inflammation And Cartilage Degradation To Alleviate Osteoarthritis: A preclinical Study.

    DOI: 10.1002/ptr.5949

    PMID: 29067744

    Sample: Serum
  6. Nutrition Research (2015) IF: 2.737
    Vitamin K3 Increased BMD At 1 And 2 Months Post-Surgery And The Maximum Stress Of The Middle Femur In The Rat.

    DOI: 10.1016/j.nutres.2014.10.008

    PMID: 25433907

    Sample: Serum
  7. Daru: journal of Faculty of Pharmacy, Tehran University of Medical Sciences (2020)
    Comparison of diclofenac with apigenin-glycosides rich Clinacanthus nutans extract for amending inflammation and catabolic protease regulations in osteoporotic-osteoarthritis rat model

    DOI: 10.1007/s40199-020-00343-y

    PMID: 32388789

    Sample: Serum
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