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SKU:LMN048Hu
Magnetic Luminex Assay Kit for High Temperature Requirement Factor A4 (HTRA4) ,etc.
Magnetic Luminex Assay Kit for High Temperature Requirement Factor A4 (HTRA4) ,etc.
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Product No.
LMN048Hu
Organism Species
Homo sapiens (Human).
Sample Type
Tissue homogenates, cell lysates and other biological fluids
Test Method
Double-antibody Sandwich
Assay Length
3.5h
Detection Range
0.05-50ng/mL
Sensitivity
The minimum detectable dose of this kit is typically less than 0.017 ng/mL.
UOM
1Plex 2Plex 3Plex 4Plex 5Plex 6Plex 7Plex 8Plex
Specificity
This assay has high sensitivity and excellent specificity for detection of High Temperature Requirement Factor A4 (HTRA4) ,etc..
No significant cross-reactivity or interference between High Temperature Requirement Factor A4 (HTRA4) ,etc. and analogues was observed.
Recovery
Matrices listed below were spiked with certain level of recombinant High Temperature Requirement Factor A4 (HTRA4) ,etc. and the recovery rates were calculated by comparing the measured value to the expected amount of High Temperature Requirement Factor A4 (HTRA4) ,etc. in samples.
| Matrix | Recovery range (%) | Average(%) |
| serum(n=5) | 80-95 | 91 |
| EDTA plasma(n=5) | 82-94 | 87 |
| heparin plasma(n=5) | 84-92 | 88 |
| sodium citrate plasma(n=5) | 93-104 | 98 |
Precision
Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level High Temperature Requirement Factor A4 (HTRA4) ,etc. were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level High Temperature Requirement Factor A4 (HTRA4) ,etc. 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 High Temperature Requirement Factor A4 (HTRA4) ,etc. 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) | 78-99% | 94-105% | 83-101% | 78-90% |
| EDTA plasma(n=5) | 79-93% | 79-95% | 85-92% | 86-97% |
| heparin plasma(n=5) | 85-101% | 96-104% | 97-105% | 88-97% |
| sodium citrate plasma(n=5) | 78-95% | 81-104% | 95-105% | 95-105% |
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#:HTRA4) | 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.
| Magazine | Citations |
| Placenta | Upregulation of HtrA4 in the placentas of patients with severe pre-eclampsia PubMed: 22964307 |
| J Clin Endocrinol Metab | Human HtrA4 Expression Is Restricted to the Placenta, Is Significantly Up-Regulated in Early-Onset Preeclampsia, and High Levels of HtrA4 Cause Endothelial Dysfunction - See more at: http://press.endocrine.org/doi/abs/10.1210/jc.2014-3969#sthash.XcUOSx2Z.dpuf PubMed: 25946029 |
| Journal of Biomolecular Screening | HtrA3 Isoform-Specific ELISAs for Early Detection of Preeclampsia. pubmed:27932697 |
| Catalog No. | Related products for research use of Homo sapiens (Human) Organism species | Applications (RESEARCH USE ONLY!) |
| RPN048Hu01 | Recombinant High Temperature Requirement Factor A4 (HTRA4) | Positive Control; Immunogen; SDS-PAGE; WB. |
| PAN048Hu01 | Polyclonal Antibody to High Temperature Requirement Factor A4 (HTRA4) | WB; IHC; ICC; IP. |
| MAN048Hu21 | Monoclonal Antibody to High Temperature Requirement Factor A4 (HTRA4) | WB; IHC; ICC; IP. |
| SEN048Hu | ELISA Kit for High Temperature Requirement Factor A4 (HTRA4) | Enzyme-linked immunosorbent assay for Antigen Detection. |
| SCN048Hu | CLIA Kit for High Temperature Requirement Factor A4 (HTRA4) | Chemiluminescent immunoassay for Antigen Detection. |
| LMN048Hu | Magnetic Luminex Assay Kit for High Temperature Requirement Factor A4 (HTRA4) ,etc. | Magnetic Luminex Assay for Antigen Detection. |
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