Human cTn-I/TNNI3 (cardiac Troponin I)CLIA Kit-Laboratory Biological Research Reagents Manufacturer for Life Science - Elabscience

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Human cTn-I/TNNI3 (cardiac Troponin I)CLIA Kit

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Price:   $682
Cat Number:  E-CL-H0495
Lead Time:   Order now, ship in 3 days

Reactivity:  Human

Detection Range:  78.13~5000 pg/mL

Sensitivity:  46.88 pg/mL

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Intended use

This CLIA kit applies to the in vitro quantitative determination of Human cTn-I/TNNI3 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 cTn-I/TNNI3. 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 cTn-I/TNNI3 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 cTn-I/TNNI3, 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 cTn-I/TNNI3. You can calculate the concentration of Human cTn-I/TNNI3 in the samples by comparing the RLU value of the samples to the standard curve.

Assay type Sandwich-CLIA
Format 96T
Assay time 3.5h
Reactivity Human
Detection method Chemiluminescence
Detection range 78.13-5000 pg/mL
Sensitivity 46.88 pg/mL
Sample volume 100μL
Sample type serum, plasma and other biological fluids
Repeatability CV < 15%

Specificity

This kit recognizes Human cTn-I/TNNI3 in samples. No significant cross-reactivity or interference between Human cTn-I/TNNI3 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
5000 57446
65066
61256 61233
2500 32270
36438
34354 34331
1250 19008
17330
18169 18146
625 9129
9655
9392 9369
312.5 5164
4502
4833 4810
156.25 2630
2392
2511 2488
78.13 1276
1402
1339 1316
0 23
23
23 --
CLIA-Elabscience

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, mid range and high level Human cTn-I/TNNI3 were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, mid range and high level Human cTn-I/TNNI3 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) 254.53 513.41 1903.30 257.46 557.97 1898.33
Standard deviation 24.89 60.02 156.64 30.05 44.30 184.52
C V (%) 9.78 11.69 8.23 11.67 7.94 9.72

Recovery

The recovery of Human cTn-I/TNNI3 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) 100-116 107
EDTA plasma (n=5) 92-106 99
Cell culture media (n=5) 93-107 98

Linearity

Samples were spiked with high concentrations of Human cTn-I/TNNI3 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 (%) 92-104 101-115 94-108
Average (%) 97 106 100
1:4 Range (%) 95-110 86-98 97-111
Average (%) 101 92 102
1:8 Range (%) 85-100 97-113 86-101
Average (%) 91 105 92
1:16 Range (%) 99-116 100-115 84-97
Average (%) 106 108 90

Kit Components& Storage

An unopened kit can be stored at 4℃ 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 4℃, 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 4℃ (shading light)
Substrate Reagent B 1 vial, 5 mL 4℃ (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

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

2.Remove the liquid.

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

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

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

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

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