Human Serpin E1/PAI-1 Magnetic Luminex® Performance Assay

Name: Human Serpin E1/PAI-1 Magnetic Luminex® Performance Assay
Brand: R&D Systems
SKU: LOBM1786

R&D Systems, part of Bio-Techne | Catalog # LOBM1786

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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 Obesity 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:	Serpin E1/PAI-1

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View Full Technical Details for Human Serpin E1/PAI-1 Magnetic Luminex® Performance Assay

Technical Data
Citations / Reviews

Product Features for Human Serpin E1/PAI-1 Magnetic 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 Serpin E1/PAI-1 with up to 9 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 Serpin E1/PAI-1 Magnetic 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.

Kit Components for Human Serpin E1/PAI-1 Magnetic Luminex® Performance Assay

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**

**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
User-mixed cocktail of biotinylated detection antibody

Precision

	Intra-Assay Precision			Inter-Assay Precision
Intra-assay Precision (precision within an assay) - Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision. Inter-assay Precision (precision between assays) - Three samples of known concentration were tested in twenty separate assays to assess precision between assays.
Sample	1	2	3	1	2	3
n	20	20	20	20	20	20
Mean (pg/mL)	68	300	2301	78	384	2447
Standard deviation	4.6	17	167	8.0	37	372
CV (%)	6.8	5.7	7.3	10.2	9.6	15.2

Recovery

Sample Type					Average % Recovery	Range (%)
Samples containing and/or spiked with human Serpin E1 were evaluated for recovery.
Cell culture supernate					93	72-109

Linearity

		Cell culture supernate	Serum	EDTA plasma	Heparin plasma
Samples containing and/or spiked with human Serpin E1 were serially diluted to evaluate assay linearity.
1:2	Average % of Expected	93	98	102	100
1:2	Range (%)	87-101	90-106	85-107	94-110
1:4	Average % of Expected	91	98	108	104
1:4	Range (%)	88-97	86-106	101-118	91-116
1:8	Average % of Expected	87	102	109	103
1:8	Range (%)	77-92	84-124	91-124	84-120

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 Serpin E1/PAI-1 Magnetic Luminex® Performance Assay

	Quantist software graph of signal intensity versus concentration for Serpin E1/PAI-1 in the Human Obesity Luminex Panel

Background: Serpin E1/PAI-1

The human serpin superfamily consists of at least 35 members that target not only serine proteases, but also selected cysteine proteases and non-protease proteins. Serpins bind the protease active site resulting in a major conformational rearrangement that traps the enzyme in a covalent acyl-enzyme intermediate. As protease inhibitors, serpins have an array of functions including regulating blood clotting, the complement pathway, extracellular matrix remodeling, and cell motility. They are also involved in activities that extend beyond their ability to inhibit proteases. For instance, they may also regulate blood pressure, angiogenesis, or act as storage/transport proteins.

Item	Value
Long Name	Plasminogen Activator Inhibitor
Entrez Gene IDs	5054 (Human); 18787 (Mouse)
Alternate Names	Endothelial plasminogen activator inhibitor, Nexin, PAI-1, PAI1, PAI1PAI-1, PAISerpin E1, PLANH1, PLANH1plasminogen activator inhibitor 1, Serpin E1, serine (or cysteine) proteinase inhibitor, clade E (nexin, plasminogenactivator inhibitor type 1), member 1, serpin peptidase inhibitor, clade E (nexin, plasminogen activator inhibitortype 1), member 1

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 Serpin E1/PAI-1 Magnetic Luminex® Performance Assay

Luminex® is a registered trademark of Luminex Corporation.

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