Human VEGF High Sensitivity Magnetic Luminex® Performance Assay
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Human VEGF High Sensitivity Magnetic Luminex® Performance Assay Summary
|Panel||Luminex Performance Human High Sensitivity Cytokine Panel A|
|Assay Type||Magnetic bead-based multiplex assay for the Luminex® platform|
|Format||1 x 96-well microplate and Magnetic antibody-coated beads|
|Analytes Detected||Please see analyte list in assay customization tool below.|
|Performance Validation||Our Luminex High Performance Assays undergo our most extensive validation testing. All Luminex High Performance Assay Panels are validated for use with serum and plasma samples. Some High Performance Assays are additionally validated for cell culture supernatants, milk, saliva, or urine, as indicated on the individual product data sheets. Luminex High Performance Assays are tested for sensitivity (three-quarters the low standard), intra-assay precision, inter-assay precision, and to ensure assay linearity for validated sample types. Recovery values for individual samples in validated sample types are also tested. Validation data for each analyte can be found in the product datasheet.
Make your selections below to configure your assay
Below are kits that are available based on your selections. These selections may be further customized before adding to the cart or emailing the configuration to your purchasing department or local distributor to place your order. Selected analytes may be included in more than one High Performance Assay. All assay options are displayed.
If you run into bead region incompatibilities, send your Luminex code to our team and find out more.
How would you like these analytes mixed?
Would you like to split based on dilution?
Magnetic Luminex High Performance Assays are flexible bead-based multiplex assays. They allow up to 50 user-defined target analytes to be simultaneously profiled using cell culture supernates, serum, or plasma samples. Some panels are also validated with human milk, saliva, and/or urine samples.
- Simultaneously profile Human VEGF with up to analytes of your choice in one sample
- Magnetic format allows for easier wash steps
- Undergoes similar validation testing as Quantikine® ELISA Kits
- Precise and Specific
- Requires a small sample volume (<50 µL)
- Run your assay in just 3-5 hours
- Mass-calibrated standards for consistent results with every new lot of material
- Enough reagents for one 96-well plate
- Standard Cocktail(s)
- Bead Diluent
- Biotin Antibody Diluent
- Calibrator Diluent
- Wash Buffer
- One flat-bottom 96-well Microplate
- Foil Plate Sealers (4)
- Mixing Bottle
- Standard Value Card**
**A standard curve must be generated each time an assay is run, utilizing values from the Standard Value Card included in the Base Kit.
- User-mix antibody-coated Magnetic beads in individual vials
- User-mixed cocktail of biotinylated detection antibody
Intra-assay Precision (precision within an assay) - Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision.
|Intra-Assay Precision||Inter-Assay Precision|
Samples containing and/or spiked with human VEGF were evaluated for recovery.
|Sample Type||Average % Recovery||Range|
Samples containing and/or spiked with human VEGF were serially diluted to evaluate assay linearity.
|Serum||EDTA plasma||Heparin plasma|
|1:2||Average % of Expected||114||105||114|
|1:4||Average % of Expected||121||112||119|
|1:8||Average % of Expected||123||111||120|
Assays for the Luminex platform are offered as High Performance Assays or Assays. The Luminex High Performance Assays are fully validated panels with a focused selection of analytes. They are available in We Mix, You Mix, and Predetermined formats. The Luminex Assays allows for the maximum number of analytes in a multiplex and is supplied as a premixed kit. View a table comparing the features and benefits of these bead-based multiplex assays.
Magnetic Luminex High Performance Assays are designed for use with the Luminex MAGPIX CCD Imager. Alternatively, kits can be used with the Luminex 100/200™ or FLEXMAP 3D, dual laser, flow-based sorting and detection platforms.
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. One laser is bead-specific and determines which analyte is being detected. A magnet in the analyzer captures and holds the superparaMagnetic microparticles in a monolayer. Two spectrally distinct Light Emitting Diodes (LEDs) illuminate the beads. One LED identifies the analyte that is being detected and the second LED determines the magnitude of the PE-derived signal, which is in direct proportion to the amount of analyte bound. Each well is imaged with a CCD camera. Kits can also be used with Luminex 100/200 or a Bio-Rad Bio-Plex dual laser, flow-based systems.
Quantist software graph of signal intensity versus concentration for VEGF in the Human High Sensitivity Cytokine A Luminex Panel
VEGF (Vascular endothelial growth factor) is a potent mediator of both angiogenesis and vasculogenesis in the fetus and adult. It is required for regulating the proliferation, migration, and survival of embryonic endothelial cells and during wound healing and the female reproductive cycle in adults. Pathologically, it is involved in tumor development and tumor vascular leakage. VEGF binds to VEGF R1/Flt-1, VEGF R2/Flk-1/KDR, and Neuropilin-1. Multiple forms of VEGF are generated by alternative splicing and proteolysis.
Citations for Human VEGF High Sensitivity Magnetic Luminex® Performance Assay
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
Citations: Showing 1 - 4
Filter your results:
Patients with idiopathic recurrent miscarriage have abnormally high TGFï¿½+ blood NK, NKT and T cells in the presence of abnormally low TGFï¿½ plasma levels
Authors: L Zhu, M Aly, RJ Kuon, B Toth, H Wang, H Karakizlis, R Weimer, C Morath, E Ibrahim, N Ekpoom, G Opelz, V Daniel
BMC Immunol., 2019-03-04;20(1):10.
Sample Types: Plasma
Cytokines and Postoperative Delirium in Older Patients Undergoing Major Elective Surgery.
Authors: Vasunilashorn S, Ngo L, Inouye S, Libermann T, Jones R, Alsop D, Guess J, Jastrzebski S, McElhaney J, Kuchel G, Marcantonio E
J Gerontol A Biol Sci Med Sci, 2015-07-27;0(0):.
Sample Types: Plasma
Clinical Scale Zinc Finger Nuclease-mediated Gene Editing of PD-1 in Tumor Infiltrating Lymphocytes for the Treatment of Metastatic Melanoma.
Authors: Beane J, Lee G, Zheng Z, Mendel M, Abate-Daga D, Bharathan M, Black M, Gandhi N, Yu Z, Chandran S, Giedlin M, Ando D, Miller J, Paschon D, Guschin D, Rebar E, Reik A, Holmes M, Gregory P, Restifo N, Rosenberg S, Morgan R, Feldman S
Mol Ther, 2015-05-05;23(8):1380-90.
Sample Types: Cell Culture Supernates
Plasma sCD14 as a biomarker to predict pulmonary exacerbations in cystic fibrosis.
Authors: Quon B, Ngan D, Wilcox P, Man S, Sin D
PLoS ONE, 2014-02-20;9(2):e89341.
Sample Types: Plasma
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Luminex High Performance Human High Sensitivity Cytokine Magnetic Panel A
Reviews for Human VEGF High Sensitivity Magnetic Luminex® Performance Assay
Average Rating: 3 (Based on 1 Review)
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The Assay performes well (concerning reproducibility, precision), human EDTA Plasma samples can be quantified, CTAD plasma samples are usually below the detection limit.
But sensitivity is not as good as given in the datasheets and on the website. While the Quantikine ELISA is calibrated against reference material this assay is probably not calibrated. When cross-testing the standard from the Quantikine VEGF kit (#DVE00), it can be seen that the sensitivty needs to be correded by a factor of approx. 3. Would be great if the standards provided with the different VEGF kits would be all be calibrated against each other which would allow a better comparison of real assay sensitivity.