Human GHRL(Ghrelin) ELISA Kit

    • competitive-ELISA-Elabscience
    • competitive-ELISA-Elabscience
    • competitive-ELISA-Elabscience
    • competitive-ELISA-Elabscience
    • competitive-ELISA-Elabscience
    • competitive-ELISA-Elabscience
    • competitive-ELISA-Elabscience
    • competitive-ELISA-Elabscience
    • competitive-ELISA-Elabscience

      Catalog number:E-EL-H1919

      Synonyms:GHRL, MTLRP, Ghrelin

      • 96T
      • 24T
      - +
      Price: $609

      Reactivity: Human

      Detection Range: 0.16~10 ng/mL

      Sensitivity: 0.10 ng/mL

      Lead Time: 7~10 daysWelcome to order from local distributors.

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      Intended use

      This ELISA kit applies to the in vitro quantitative determination of Human GHRL 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 Human GHRL. During the reaction, Human GHRL in the sample or standard competes with a fixed amount of Human GHRL on the solid phase supporter for sites on the Biotinylated Detection Ab specific to Human GHRL. Excess conjugate and unbound sample or standard are washed from the plate, and Avidin conjugated to Horseradish Peroxidase (HRP) are added to each microplate 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 change is measured spectrophotometrically at a wavelength of 450 nm ± 2 nm. The concentration of Human GHRL in the samples is then determined by comparing the OD of the samples to the standard curve.

      Assay type Competitive
      Format 96T
      Assay time 2.0h
      Reactivity Human
      Detection Method Colormetric
      Detection Range 0.16—10 ng/mL
      Sensitivity 0.10 ng/mL
      Sample Volume 50μL
      Sample Type Serum, plasma and other biological fluids


      This kit recognizes Human GHRL in samples. No significant cross-reactivity or interference between Human GHRL and analogues was observed.

      Typical data

      As the OD values of the standard curve may vary according to the conditions of the actual assay performance (e.g. operator, pipetting technique, washing technique or temperature effects), the operator should establish a standard curve for each test. Typical standard curve and data is provided below for reference only.

      Concentration(ng/mL) O.D Average
      10 0.368
      5 0.508
      2.5 0.713
      1.25 1.008
      0.63 1.429
      0.31 1.84
      0.16 2.13
      0 2.58


      Intra-assay Precision (Precision within an assay): 3 samples with low, mid range and high level Human GHRL were tested 20 times on one plate, respectively.
      Inter-assay Precision (Precision between assays): 3 samples with low, mid range and high level Human GHRL 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) 0.50 0.90 4.10 0.50 0.90 3.70
      Standard deviation 0.03 0.04 0.13 0.03 0.04 0.13
      C V (%) 6.00 4.44 3.17 6.00 4.44 3.51


      The recovery of Human GHRL 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=5) 86-97 92
      EDTA plasma (n=5) 95-108 101
      Cell culture media (n=5) 91-105 96


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

          Serum (n=5) EDTA plasma (n=5) Cell culture media (n=5)
      1:2 Range (%) 98-114 97-107 90-104
      Average (%) 104 102 97
      1:4 Range (%) 90-105 92-107 100-115
      Average (%) 97 98 107
      1:8 Range (%) 88-99 89-100 95-106
      Average (%) 94 95 101
      1:16 Range (%) 85-98 90-104 95-111
      Average (%) 91 98 101

      Kit components & Storage

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

      Item Specifications Storage
      Micro ELISA Plate(Dismountable) 8 wells ×12 strips -20°C, 6 months
      Reference Standard 2 vials
      Concentrated Biotinylated Detection Ab (100×) 1 vial, 120 μL
      Concentrated HRP Conjugate (100×) 1 vial, 120 μL -20°C(shading 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°C(shading light)
      Stop Solution 1 vial, 10 mL 2-8°C
      Plate Sealer 5 pieces
      Product Description 1 copy
      Certificate of Analysis 1 copy

      Note: All reagent bottle caps must be tightened to prevent evaporation and microbial pollution.
      The volume of reagents in partial shipments is a little more than the volume marked on the label, please use accurate measuring equipment instead of directly pouring into the vial(s).

      Other supplies required

      • Microplate reader with 450 nm wavelength filter
      • High-precision transfer pipette, EP tubes and disposable pipette tips
      • Incubator capable of maintaining 37°C
      • Deionized or distilled water
      • Absorbent paper
      • Loading slot for Wash Buffer

      Assay Procedure

      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


      1. Associations Between Serum Ghrelin And Knee Symptoms, Joint Structures And Cartilage Or Bone Biomarkers In Patients With Knee Osteoarthritis.
        IF: 4.742
        Journal: Osteoarthritis and Cartilage(2017)
        DOI: 10.1016/j.joca.2017.05.015
        PMID: 28602782
        Products: E-EL-H1919 E-EL-H0654 E-EL-H0835 E-EL-H0836 E-EL-H0183 E-EL-H1446 E-EL-H0132 E-EL-H6023 
        Sample type: Serum
        Reactivity: Human
      2. The Association Of Serum Nesfatin-1 And Ghrelin Levels With Metabolic Syndrome In Schizophrenia Patients.
        IF: 2.528
        Journal: Psychiatry Research(2017)
        DOI: 10.1016/j.psychres.2017.12.041
        PMID: 29278806
        Products: E-EL-H1919 E-EL-H2373 
        Sample type: Serum
        Reactivity: Human
      3. Plasma Ghrelin, PYY And CCK Concentration Following Indonesian Fast Food And Western Fast Food In Obese Participant.
        IF: 1.276
        Journal: Food And Nutrition Sciences(2016)
        DOI: 10.4236/fns.2016.79073
        Products: E-EL-H1237 E-EL-H1919 
        Sample type: Plasma
        Reactivity: Human
      4. High Ghrelin Level Predicts the Curve Progression of Adolescent Idiopathic Scoliosis Girls.
        IF: 2.583
        Journal: BioMed Research International(2018)
        DOI: 10.1155/2018/9784083
        PMID: 30079352
        Products: E-EL-H1919 E-EL-H6017 
        Sample type: Serum
        Reactivity: Human
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