Human MIγ/CXCL9 (Monocyte Interferon Gamma Inducing Factor) CLIA Kit

    • CLIA-Elabscience
    • CLIA-Elabscience
    • CLIA-Elabscience
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    • CLIA-Elabscience
    • CLIA-Elabscience
    • CLIA-Elabscience
    • CLIA-Elabscience
    • CLIA-Elabscience
    • CLIA-Elabscience

      Catalog number:E-CL-H0680

      Size:
      • 96T
      Qty:
      - +
      Price: $682

      Reactivity: Human

      Detection Range: 31.25~2000 pg/mL

      Sensitivity: 18.75 pg/mL

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

      Add to cart Compare Bulk request

      Intended use

      This CLIA kit applies to the in vitro quantitative determination of Human MIγ/CXCL9 concentrations in serum, plasma and other biological fluids.

      Test principle

      This CLIA kit uses the Sandwich-CLIA principle. The micro CLIA plate provided in this kit has been pre-coated with an antibody specific to Human MIγ/CXCL9. Standards or samples are added to the micro CLIA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for Human MIγ/CXCL9 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 MIγ/CXCL9, biotinylated detection antibody and Avidin-HRP conjugate will appear fluorescence. The Relative light unit (RLU) value is measured by the Chemiluminescence immunoassay analyzer. The RLU value is positively associated with the concentration of Human MIγ/CXCL9. You can calculate the concentration of Human MIγ/CXCL9 in the samples by comparing the RLU value of the samples to the standard curve.

      Assay type Sandwich
      Format 96T
      Assay time 3.5h
      Reactivity Human
      Detection method Chemiluminescence
      Detection range 31.25-2000 pg/mL
      Sensitivity 18.75 pg/mL
      Sample volume 100μL
      Sample type Serum, plasma and other biological fluids
      Repeatability CV < 15%

      Specificity

      This kit recognizes Human MIγ/CXCL9 in samples. No significant cross-reactivity or interference between Human MIγ/CXCL9 and analogues was observed.

      Typical data

      As the RLU 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)
      RLU Average Corrected
      2000 55057
      56385
      55721 55693
      1000 23669
      24279
      23974 23946
      500 11192
      10872
      11032 11004
      250 5249
      5339
      5294 5266
      125 2626
      2590
      2608 2580
      62.5 1371
      1251
      1311 1283
      31.25 639
      709
      674 646
      0 28
      28
      28 --

      Precision

      Intra-assay Precision (Precision within an assay): 3 samples with low, mid range and high level Human MIγ/CXCL9 were tested 20 times on one plate, respectively.
      Inter-assay Precision (Precision between assays): 3 samples with low, mid range and high level Human MIγ/CXCL9 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) 106.14 286.56 714.86 109.77 302.50 712.59
      Standard deviation 8.59 32.27 80.85 9.20 26.68 76.46
      C V (%) 8.09 11.26 11.31 8.38 8.82 10.73

      Recovery

      The recovery of Human MIγ/CXCL9 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) 94-111 101
      EDTA plasma (n=5) 90-101 95
      Cell culture media (n=5) 91-104 97

      Linearity

      Samples were spiked with high concentrations of Human MIγ/CXCL9 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 (%) 98-111 90-104 96-111
      Average (%) 103 97 104
      1:4 Range (%) 96-108 96-107 91-104
      Average (%) 101 101 96
      1:8 Range (%) 86-101 97-111 89-100
      Average (%) 93 104 94
      1:16 Range (%) 89-100 93-108 85-95
      Average (%) 95 100 90

      Kit components& Storage

      An unopened kit can be stored at 2-8℃ 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 CLIA Plate(Dismountable) 8 wells ×12 strips -20℃, 6 months
      Reference Standard 2 vials
      Concentrated Biotinylated Detection Ab (100×) 1 vial, 120 μL
      Concentrated HRP Conjugate (100×) 1 vial, 120 μL -20℃(shading light), 6 months
      Reference Standard & Sample Diluent 1 vial, 20 mL 2-8℃, 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 A 1 vial, 5 mL 2-8℃ (shading light)
      Substrate Reagent B 1 vial, 5 mL 2-8℃ (shading light)
      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

      • Chemiluminescence immunoassay analyzer
      • High-precision transfer pipette, EP tubes and disposable pipette tips
      • Incubator capable of maintaining 37℃
      • Deionized or distilled water
      • Absorbent paper
      • Loading slot for Wash Buffer

      Assay procedure

      elisa assay procedure 1

      1.Add 100 μL of standard or sample to each well. Incubate for 90 min at 37℃.

      elisa assay procedure 2

      2.Remove the liquid.

      elisa assay procedure 3

      3.Add 100 μL Biotinylated Detection Ab. Incubate 1 hour at 37℃. Aspirate and wash 3 times.

      elisa assay procedure 4

      4.Add 100 μL HRP Conjugate. Incubate 30 min at 37℃. Aspirate and wash 5 times.

      elisa assay procedure 5

      5.Add 100 μL Substrate Mixture Solution. Incubate for 5 min at 37℃.

      elisa assay procedure 6

      6.Fluorescence appeared. Measure the RLU value with the Chemiluminescence immunoassay analyzer. Calculation of the results.

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