Three Ways Multiplexing Improves Antibody Epitope Mapping
8 Dec 2014Epitope mapping is the process of identifying all of the antibody binding sites on a target protein. Epitope mapping facilitates drug design and patenting, and is therefore one of the key elements in drug development. It is also important for development of antibodies to be used in research or diagnostic assays, which minimizes cross-reactivity. This white paper discusses how epitope mapping can be improved by using Luminex® xMAP® multiplex assays instead of traditional ELISA technology.
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Luminex® 200™Multiplexing Instrument
LuminexThe Luminex® 200™ detects up to 100 protein or nucleic acid analytes from a single aliquot of sample in a single reaction well, enabling you to generate more data while saving sample, time, and reagents. With more than 11,000 units sold globally to date, the Luminex 100/200 is the established standard in multiplexing instrumentation. The xMAP® multiplexing platform is composed of an instrument and associated reagents: The Luminex 200 instrument is based on the principles of flow cytometry, which integrates key xMAP detection components such as lasers, optics, fluidics, and high-speed digital signal processors. xMAP microspheres are a family of fluorescently dyed carboxylated polystyrene microspheres that act as both the surface for the solution phase assay and the spectral identifier that the instrument detects. The open architecture of xMAP Technology enables users to build custom multiplex assays or select from a broad menu commercially available kits. Instrument Details: Multiplex Capacity: Up to 100 non-magnetic; 80 magnetic Microtiter Plate: 96 well Throughput: ~40 min/96-well plate (up to 12,800 tests per hour) Dynamic Range: 3.5 logs Sensitivity: Detects a minimum of 1,000 fluorochromes of phycoerythrin (PE) per xMAP microsphere Optics: Lasers/APDs/PMTs Hardware: Flow Cytometry based Software: xPONENT® Software supports protocol-based data acquisition with robust data regression analysis Dimensions: All components combined (Analyzer, XY Platform and Sheath Delivery System) 26.5" W x 23.5" D x 12.5" H (67.3 cm W x 59.7 cm D x 31.8 cm H) Weight: All components combined (Analyzer, XY Platform and Sheath Delivery System) 113 lbs (49 kg) xMAP Reagent Compatibility: Magnetic and nonmagnetic microspheres