Human VEGF XL Luminex® Performance Assay

Name: Human VEGF XL Luminex® Performance Assay
Brand: R&D Systems
SKU: LUXLM293

R&D Systems, part of Bio-Techne | Catalog # LUXLM293

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Luminex High Performance Assays

Luminex High Performance Assays go through rigorous development, validation, and quality control testing to ensure you are getting the best performance out of your multiplex assay. Panels are customizable so you can order a selection of the analytes or the entire panel.

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Key Product Details

Panel:	Luminex Performance Human XL Cytokine Panel
Assay Type:	Magnetic bead-based multiplex assay for the Luminex® MAGPIX® platform
Format:	1 x 96-well microplate and magnetic antibody-coated beads
Species:	Human
Analytes Detected:	VEGF

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View Full Technical Details for Human VEGF XL Luminex® Performance Assay

Technical Data
Citations / Reviews

Product Features for Human VEGF XL Luminex® Performance Assay

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 45 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

Performance Validation for Human VEGF XL Luminex® Performance Assay

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.

View Luminex High Performance Human XL validation data.

Kit Components for Human VEGF XL Luminex® Performance Assay

Premixed cocktail of biotinylated detection antibody
Standard Cocktail(s)
Bead Diluent
Biotin Antibody Diluent
Calibrator Diluent
Wash Buffer
Streptavidin-PE
One flat-bottom 96-well Microplate
Foil Plate Sealers (4)
Mixing Bottle
Standard Value Card**
High and low controls with Control Mean Value Card

**A standard curve must be generated each time an assay is run, utilizing values from the Certificate of Analysis provided with each Luminex Assay.

Bead Set Contents

User-mix antibody-coated Magnetic beads in individual vials

Recommended Sample Types: Cell culture supernates, serum, EDTA plasma, and heparin plasma

Components: Human VEGF Magnetic Microparticles (Part 898815) is supplied as a 100X concentrated stock (0.075 mL) with preservatives. Other Supplies Required: Magnetic Luminex® Performance Assay Human XL Discovery Base Kit (R&D Systems®, Catalog # LUXLM000).

Sensitivity: The Minimum Detectable Dose (MDD) was determined by adding two standard deviations to the mean MFI of twenty zero standard replicates and calculating the corresponding concentration. Six assays were evaluated, and the MDD of human VEGF ranged from 0.483-4.68 pg/mL. The mean MDD was 1.17 pg/mL.

Correlation: This assay has been correlated to the Quantikine® ELISA Kit.

Specificity: This assay recognizes natural and recombinant human VEGF.Recombinant human VEGF/PlGF cross-reacts approximately 14.9% in this assay.

Bead Region: 76

Precision

	Intra-Assay Precision		Inter-Assay Precision
Intra-assay Precision (precision within an assay) - Two samples of known concentration were tested twenty times on one plate to assess intra-assay precision. Inter-assay Precision (precision between assays) - Two samples of known concentration were tested in thirty separate assays to assess precision between assays.
Sample	1	2	1	2
n	20	20	30	30
Mean (pg/mL)	68.4	677	70.1	676
Standard deviation	1.76	21.4	8.82	51.3
CV (%)	57.3	16.1	12.5	59.6

Recovery

Sample Type	Average % Recovery	Range (%)
Samples containing and/or spiked with human VEGF were evaluated for recovery.
Cell culture supernate	103	95.5-122
Serum	69.3	46.2-89.8
EDTA plasma	73.0	55.5-95.5
Heparin plasma	63.5	44.6-86.9
Plaelet-poor EDTA	79.5	63.4-93.5
Platelet-poor Heparin	68.1	50.5-78.5

Linearity

		Cell culture supernate	Serum	EDTA plasma	Heparin plasma	Platelet-poor EDTA	Platelet-poor Heparin
Samples containing and/or spiked with human VEGF were serially diluted to evaluate assay linearity.
1:2	Average % of Expected	93.2	117	110	122	110	119
1:2	Range (%)	90.2-96.7	110-130	105-117	109-137	106-114	117-120
1:4	Average % of Expected	90.3	117	108	121	114	126
1:4	Range (%)	84.4-95.5	107-126	105-110	111-133	109-118	116-139
1:8	Average % of Expected	93.5	126	116	128	126	128
1:8	Range (%)	90.4-97.2	111-139	104-126	113-142	116-151	121-136
1:16	Average % of Expected	94.1	124	113	125	123	124
1:16	Range (%)	88.3-96.4	108-141	100-126	110-141	120-128	110-140

Build Your Assay

Make Your Selections Below to Configure Your Custom Luminex Assay

Assays

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?

Premixed

User Mixed

Please select at least one mixing option to see the kits.

Would you like to split based on dilution?

Do not split

Split based on serum

Split based on plasma

Split based on cell culture supernates

Which Luminex Assay is Right For Me?

Assays for the Luminex platform are offered as High Performance Assays or Discovery Assays . The Luminex High Performance Assays are fully validated panels with a focused selection of analytes. They are available as Configurable User Mix and Premixed options or as Fixed Panels. The Luminex Discovery Assays allow 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 on rndsystems.com .

More Information About Magnetic Bead-based Multiplex Kits For The Luminex® Platform

Magnetic Luminex High Performance Assays are designed for use with the Luminex MAGPIX CCD Imager. Alternatively, kits can be used with the Luminex 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 a Luminex 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 FLEXMAP 3D dual laser, flow-based systems.

Scientific Data Examples for Human VEGF XL Luminex® Performance Assay

	VEGF XL Cytokine Luminex Panel Standard Curves

Background: VEGF

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.

Item	Value
Long Name	Vascular Endothelial Growth Factor
Entrez Gene IDs	7422 (Human); 22339 (Mouse); 83785 (Rat); 281572 (Bovine); 403802 (Canine); 493845 (Feline); 30682 (Zebrafish)
Alternate Names	MVCD1, VAS, VEGF, VEGF-A, VEGFA, VEGFMGC70609, VPF, VPFvascular endothelial growth factor, Vascular permeability factor, Vasculotropin, vascular endothelial growth factor A

Preparation and Storage

Shipping	The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage	Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Product Specific Notices for Human VEGF XL Luminex® Performance Assay

Luminex® is a registered trademark of Luminex Corporation.

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