Multiplex Assay Kit for Neutrophil Elastase (NE) ,etc. by FLIA (Flow Luminescence Immunoassay) 
ELANE; HLE; HNE; ELA2; PMN-E; Neutrophil Elastase; Medullasin; Polymorphonuclear Leukocyte Elastase; Bone Marrow Serine Protease; Leukocyte Elastase; PMN Elastase
(Note: Up to 8-plex in one testing reaction)
- UOM
- FOB US$ 449.00 US$ 467.00 US$ 492.00 US$ 527.00 US$ 562.00 US$ 613.00 US$ 691.00 US$ 864.00
- Quantity
Overview
Properties
- Product No.LMA181Ca
- Organism SpeciesCanis familiaris; Canine (Dog) Same name, Different species.
- ApplicationsFLIA Kit for Antigen Detection.
Research use only - DownloadInstruction Manual
- CategoryEnzyme & KinaseInfection immunity
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Packages (Simulation)
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Packages (Simulation)
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Results demonstration
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Typical Standard Curve
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ISO9001: 2008, ISO13485: 2003 Registered
Recovery
Matrices listed below were spiked with certain level of recombinant Neutrophil Elastase (NE) ,etc. by FLIA (Flow Luminescence Immunoassay) and the recovery rates were calculated by comparing the measured value to the expected amount of Neutrophil Elastase (NE) ,etc. by FLIA (Flow Luminescence Immunoassay) in samples.
| Matrix | Recovery range (%) | Average(%) |
| serum(n=5) | 81-93 | 85 |
| EDTA plasma(n=5) | 90-97 | 93 |
| heparin plasma(n=5) | 78-88 | 82 |
Precision
Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Neutrophil Elastase (NE) ,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 Neutrophil Elastase (NE) ,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 Neutrophil Elastase (NE) ,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) | 83-98% | 78-97% | 87-94% | 79-89% |
| EDTA plasma(n=5) | 81-89% | 89-97% | 80-88% | 78-104% |
| heparin plasma(n=5) | 81-88% | 79-93% | 80-98% | 82-96% |
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#:NE) | 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.
Test principle
Analyte-specific antibodies are pre-coated onto color-coded microparticles. Microparticles, standards, and samples are pipetted into wells and the immobilized antibodies bind the analytes of interest. After washing away any unbound substances, a biotinylated antibody cocktail specific to the analytes of interest is added to each well. Following a wash to remove any unbound biotinylated antibody, Streptavidin-Phycoerythrin conjugate (Streptavidin-PE), which binds to the biotinylated detection antibodies, is added to each well. A final wash removes unbound Streptavidin-PE and the microparticles are resuspended in buffer and read using the Luminex or Bio-Plex analyzer.The MFI developed is proportional to the concentration of analytes of interest in the sample.
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Citations
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- The neutrophil elastase inhibitor, sivelestat, attenuates sepsis-related kidney injury in ratspubmed:27430552
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- Inhibition of ALDH2 protects PC12 cells against formaldehyde-induced cytotoxicity: involving the protection of hydrogen sulphide.pubmed:28251688
- Targeted regulation of sympathetic activity in paraventricular nucleus reduces inducible ventricular arrhythmias in rats after myocardial infarction10.1016:j.jjcc.2018.06.003
- Angiotensin II Type 1a Receptors in the Subfornical Organ Modulate Neuroinflammation in the Hypothalamic Paraventricular Nucleus in Heart Failure RatsPubmed:29684507
- Repetitive transcranial magnetic stimulation inhibits Sirt1/MAO-A signaling in the prefrontal cortex in a rat model of depression and cortex-derived astrocytesPubmed:28948423
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- Neutrophil Extracellular Traps Associate with Clinical Stages in Breast CancerPubmed: 31656990
- Inhibition of microRNA-146a attenuated heart failure in myocardial infarction ratsPubmed: 31763669
- Neutrophil Elastase Inhibitors Suppress Oxidative Stress in Lung during Liver TransplantationPubmed: 31871555
- Levels of pro-and anti-inflammatory cytokines in cystic fibrosis patients with or without gingivitisPubmed: 31927460
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- Depression of Non-Neuronal Cholinergic System May Play a Role in Co-Occurrence of Subjective Daytime Sleepiness and Hypertension in Patients with …34934375
- Transcutaneous Electrical Acustimulation Improved the Quality of Life in Patients With Diarrhea-Irritable Bowel SyndromePubmed:35088760
- A Novel Role of Tinospora Cordifolia in Amelioration of Cancer-Induced Systemic Deterioration By Taming Neutrophil Infiltration and Hyperactivation