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Human Troponin C Type 2, Fast (TNNC2) ELISA Kit

Human Troponin C Type 2, Fast (TNNC2) ELISA Kit TNNC2 DL-TNNC2-Hu Troponin C, skeletal muscle
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Human Troponin C Type 2, Fast (TNNC2) ELISA Kit TNNC2 DL-TNNC2-Hu Troponin C, skeletal muscle code image

two product lines: Traditional ELISA Kit and Ready-to-Use ELISA Kit.

Traditional ELISA Kit Ready-to-Use ELISA KIT
Product name: Human Troponin C Type 2, Fast (TNNC2) ELISA Kit
Method: Sandwich
Synonyms:

Troponin C, skeletal muscle

Detection range: 31.25-2,000pg/mL
Target Protein: TNNC2
Size: 96T/48T
Quality guarantee period: for 12 months, 16 months
Catalog number: DL-TNNC2-Hu (traditional) (ready-to-use)
Assay length 1-4.5Hours 1-3.5Hours
Advantages:
  • Competitive price.
  • High sensitivity.
  • High stability.
  • 12 months shelf life.
  • Pre-diluted Detection Reagent A and B
  • Reduction in the number of steps when conducting the test
  • All the reagents can be stored at -20℃
  • Faster reaction compare to other brands
  • 16 months shelf life
Instruction Manual DL-TNNC2-Hu.pdf DL-TNNC2-Hu.pdf
Human Troponin C Type 2, Fast (TNNC2) ELISA Kit elisa kit elisa kits
1.Overview:

Other names:Troponin C, skeletal muscle

Function: Troponin is the central regulatory protein of striated muscle contraction. Tn consists of three components: Tn-I which is the inhibitor of actomyosin ATPase, Tn-T which contains the binding site for tropomyosin and Tn-C. The binding of calcium to Tn-C abolishes the inhibitory action of Tn on actin filaments.

Sequence:

        10         20         30         40         50
 MTDQQAEARS YLSEEMIAEF KAAFDMFDAD GGGDISVKEL GTVMRMLGQT
         60         70         80         90        100
 PTKEELDAII EEVDEDGSGT IDFEEFLVMM VRQMKEDAKG KSEEELAECF
        110        120        130        140        150
 RIFDRNADGY IDPEELAEIF RASGEHVTDE EIESLMKDGD KNNDGRIDFD
        160
 EFLKMMEGVQ                          
2.Features
INTENDED USE
The kit is a sandwich enzyme immunoassay for the in vitro quantitative measurement of TNNC2 in human serum, plasma, tissue homogenates or other biological fluids.
 
DETECTION RANGE
31.2-2000pg/mL. The standard curve concentrations used for the ELISA’s were 2000pg/mL, 1000pg/mL, 500pg/mL, 250pg/mL, 125pg/mL, 62.5pg/mL, 31.2pg/mL.
 
 SENSITIVITY
The minimum detectable dose of TNNC2 is typically less than 11.8pg/mL.
The sensitivity of this assay, or Lower Limit of Detection (LLD) was defined as the lowest protein concentration that could be differentiated from zero. It was determined by adding two standard deviations to the mean optical density value of twenty zero standard replicates and calculating the corresponding concentration.
 
 SPECIFICITY
This assay has high sensitivity and excellent specificity for detection of TNNC2.
No significant cross-reactivity or interference between TNNC2 and analogues was observed.
 
You can reference link of the kit as following
https://dldevelop.com/Research-reagent/dl-tnnc2-hu.html
https://www.dldevelop.com/uploadfile/data/DL-TNNC2-Hu.pdf
Introduction
ItemStandardTest
Description

The kit is a sandwich enzyme immunoassay for the in vitro quantitative measurement of TNNC2 in human serum, plasma, tissue homogenates and other biological fluids.

Conform
IdentificationColorimetricPositive
Composition Traditional ELISA Kit Ready-to-Use ELISA KITConform
Pre-coated, ready to use 96-well strip plate 1Pre-coated, ready to use 96-well strip plate 1
Plate sealer for 96 wells 2Plate sealer for 96 wells 2
Standard 2 Standard 2
Diluents buffer 1×45mLStandard Diluent 1×20mL
Detection Reagent A 1×120μLDetection Solution A 1×12mL
Detection Reagent B 1×120μLDetection Solution B 1×12mL
TMB Substrate 1×9mLTMB Substrate 1×9mL
Stop Solution 1×6mLStop Solution 1×6mL
Wash Buffer (30 × concentrate) 1×20mLWash Buffer (30 × concentrate) 1×20mL
Instruction manual 1 Instruction manual 1

Test principle

The microtiter plate provided in this kit has been pre-coated with an antibody specific to the index. Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated antibody preparation specific to the index. Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added, only those wells that contain the index, biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. The enzyme-substrate reaction is terminated by the addition of sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of the index in the samples is then determined by comparing the O.D. of the samples to the standard curve.

Recovery

Matrices listed below were spiked with certain level of recombinant TNNC2 and the recovery rates were calculated by comparing the measured value to the expected amount of the index in samples.

Matrix Recovery range (%) Average(%)
serum(n=5) 81-93 86
EDTA plasma(n=5) 80-97 88
heparin plasma(n=5) 90-101 95

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of the index and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.

Sample 1:2 1:4 1:8 1:16
serum(n=5) 82-96% 83-98% 81-99% 93-101%
EDTA plasma(n=5) 88-101% 86-95% 90-102% 80-93%
heparin plasma(n=5) 80-91% 82-90% 95-104% 79-95%

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level the index were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level the index were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: CV<10%
Inter-Assay: CV<12%

Stability

The stability of ELISA kit is determined by the loss rate of activity. The loss rate of this kit is less than 5% within the expiration date under appropriate storage conditions.
Note:
To minimize unnecessary influences on the performance, operation procedures and lab conditions, especially room temperature, air humidity and incubator temperatures should be strictly regulated. It is also strongly suggested that the whole assay is performed by the same experimenter from the beginning to the end.

Assay procedure summary

1. Prepare all reagents, samples and standards;
2. Add 100µL standard or sample to each well. Incubate 2 hours at 37℃;
3. Aspirate and add 100µL prepared Detection Reagent A. Incubate 1 hour at 37℃;
4. Aspirate and wash 3 times;
5. Add 100µL prepared Detection Reagent B. Incubate 1 hour at 37℃;
6. Aspirate and wash 5 times;
7. Add 90µL Substrate Solution. Incubate 15-25 minutes at 37℃;
8. Add 50µL Stop Solution. Read at 450nm immediately.

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