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Multiplex Assay Kit for Metallothionein 2 (MT2) ,etc. by FLIA (Flow Luminescence Immunoassay)

MT2A; CES1

(Note: Up to 8-plex in one testing reaction)

Specificity

This assay has high sensitivity and excellent specificity for detection of Metallothionein 2 (MT2) ,etc. by FLIA (Flow Luminescence Immunoassay).
No significant cross-reactivity or interference between Metallothionein 2 (MT2) ,etc. by FLIA (Flow Luminescence Immunoassay) and analogues was observed.

Recovery

Matrices listed below were spiked with certain level of recombinant Metallothionein 2 (MT2) ,etc. by FLIA (Flow Luminescence Immunoassay) and the recovery rates were calculated by comparing the measured value to the expected amount of Metallothionein 2 (MT2) ,etc. by FLIA (Flow Luminescence Immunoassay) in samples.

Matrix Recovery range (%) Average(%)
serum(n=5) 88-103 97
EDTA plasma(n=5) 88-105 93
heparin plasma(n=5) 80-93 80

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Metallothionein 2 (MT2) ,etc. by FLIA (Flow Luminescence Immunoassay) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Metallothionein 2 (MT2) ,etc. by FLIA (Flow Luminescence Immunoassay) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: CV<10%
Inter-Assay: CV<12%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Metallothionein 2 (MT2) ,etc. by FLIA (Flow Luminescence Immunoassay) 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) 88-99% 79-97% 95-102% 81-103%
EDTA plasma(n=5) 90-97% 93-105% 88-95% 91-101%
heparin plasma(n=5) 94-101% 97-104% 80-104% 79-94%

Stability

The stability of 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 condition.
To minimize extra influence on the performance, operation procedures and lab conditions, especially room temperature, air humidity, incubator temperature should be strictly controlled. It is also strongly suggested that the whole assay is performed by the same operator from the beginning to the end.

Reagents and materials provided

Reagents Quantity Reagents Quantity
96-well plate 1 Plate sealer for 96 wells 4
Pre-Mixed Standard 2 Standard Diluent 1×20mL
Pre-Mixed Magnetic beads (22#:MT2) 1 Analysis buffer 1×20mL
Pre-Mixed Detection Reagent A 1×120μL Assay Diluent A 1×12mL
Detection Reagent B (PE-SA) 1×120μL Assay Diluent B 1×12mL
Sheath Fluid 1×10mL Wash Buffer (30 × concentrate) 1×20mL
Instruction manual 1

Assay procedure summary

1. Preparation of standards, reagents and samples before the experiment;
2. Add 100μL standard or sample to each well,
    add 10μL magnetic beads, and incubate 90min at 37°C on shaker;
3. Remove liquid on magnetic frame, add 100μL prepared Detection Reagent A. Incubate 60min at 37°C on shaker;
4. Wash plate on magnetic frame for three times;
5. Add 100μL prepared Detection Reagent B, and incubate 30 min at 37°C on shaker;
6. Wash plate on magnetic frame for three times;
7. Add 100μL sheath solution, swirl for 2 minutes, read on the machine.

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Magazine Citations
Journal of Trace Elements in Medicine and Biology Metallothionein 2A gene polymorphism and trace elements in mother-newborn pairs in the Croatian population pubmed:29173474
Biochimica et Biophysica Acta GCN2 deficiency protects against high fat diet induced hepatic steatosis and insulin resistance in mice Pubmed:30006154
Arch Virol . Infectious bronchitis virus inhibits activation of the TLR7 pathway, but not the TLR3 pathway Pubmed: 32532134
Biomolecules Mercury Exposure Assessment in Mother–Infant Pairs from Continental and Coastal Croatia Pubmed: 32471193
Analytica Chimica Acta Gold nanoclusters as elemental label for the sequential quantification of apolipoprotein E and metallothionein 2A in individual human cells of the retinal … Pubmed:35361429
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