Human RNASE3/ECP(Ribonuclease A3/Eosinophil Cationic Protein) ELISA Kit

Uniprot : P12724
    • sandwich-Ab-ELISA-Elabscience
    • sandwich-Ab-ELISA-Elabscience
    • sandwich-Ab-ELISA-Elabscience
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    • sandwich-Ab-ELISA-Elabscience
    • sandwich-Ab-ELISA-Elabscience
    • sandwich-Ab-ELISA-Elabscience
    • sandwich-Ab-ELISA-Elabscience
    • sandwich-Ab-ELISA-Elabscience
    • sandwich-Ab-ELISA-Elabscience

      Catalog number:E-EL-H1379

      Synonyms:RNASE3, ECP, RNS3, RAF1, ribonuclease A family member 3

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

      Reactivity: Human

      Detection Range: 39.06~2500 pg/mL

      Sensitivity: 23.44 pg/mL

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

      Add to cart Compare Bulk request

      Intended use

      This ELISA kit applies to the in vitro quantitative determination of Human RNASE3/ECP 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 Human RNASE3/ECP. Standards or samples are added to the micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for Human RNASE3/ECP 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 Human RNASE3/ECP, 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 Human RNASE3/ECP. You can calculate the concentration of Human RNASE3/ECP in the samples by comparing the OD of the samples to the standard curve.

      Assay type Sandwich
      Format 96T
      Assay time 3.5h
      Reactivity Human
      Detection Method Colormetric
      Detection Range 39.06—2500 pg/mL
      Sensitivity 23.44 pg/mL
      Sample Volume Required Per Well 100μL
      Sample Type Serum, plasma and other biological fluids

      Specificity

      This kit recognizes Human RNASE3/ECP in samples. No significant cross-reactivity or interference between Human RNASE3/ECP 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
      (pg/mL)
      O.D Average Corrected
      2500 2.286
      2.32
      2.303 2.24
      1250 1.393
      1.413
      1.403 1.34
      625 0.823
      0.813
      0.818 0.755
      312.5 0.384
      0.39
      0.387 0.324
      156.25 0.242
      0.226
      0.234 0.171
      78.13 0.152
      0.146
      0.149 0.086
      39.06 0.103
      0.115
      0.109 0.046
      0 0.06
      0.066
      0.063 --

      Precision

      Intra-assay Precision (Precision within an assay): 3 samples with low, mid range and high level Human RNASE3/ECP were tested 20 times on one plate, respectively.
      Inter-assay Precision (Precision between assays): 3 samples with low, mid range and high level Human RNASE3/ECP 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) 123.30 241.53 1242.96 135.11 256.43 1291.01
      Standard deviation 6.55 13.21 64.76 9.09 12.87 52.54
      C V (%) 5.31 5.47 5.21 6.73 5.02 4.07

      Recovery

      The recovery of Human RNASE3/ECP 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) 95-111 101
      EDTA plasma (n=5) 95-109 100
      Cell culture media (n=5) 92-107 100

      Linearity

      Samples were spiked with high concentrations of Human RNASE3/ECP 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 (%) 90-105 87-101 92-104
      Average (%) 97 93 98
      1:4 Range (%) 89-102 88-102 89-100
      Average (%) 95 93 94
      1:8 Range (%) 91-107 81-94 87-98
      Average (%) 98 86 93
      1:16 Range (%) 92-106 81-91 85-98
      Average (%) 100 87 90

      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 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

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