Thermo Fisher Scientific LIGHT Human ProcartaPlex Simplex Kit

Invitrogen™ LIGHT Human ProcartaPlex™ Simplex Kit

The Human LIGHT Simplex ProcartaPlex Kit measures LIGHT protein and is designed to be combinable with other Simplex kits, allowing creation of custom multiplex panels utilizing Luminex xMAP technology for protein detection and quantitation. When combining multiple Simplex kits (i.e., not using a pre-configured Multiplex Panel), only one buffer kit (sold separately) is needed per assay plate, regardless of plex size.

About ProcartaPlex Assays for the Luminex Platform

ProcartaPlex immunoassays are based on the principles of a sandwich ELISA, using two highly specific antibodies binding to different epitopes of one protein to quantitate all protein targets simultaneously using a Luminex instrument.
ProcartaPlex multiplex assays require as little as 25 μL of plasma or serum, or 50 μL of cell culture supernatant, and take approximately four hours to obtain analyzed results.

Key Features

• More results per sample — measure multiple protein targets simultaneously in a single 25–50 μL sample
• Well-established Luminex technology — highly referenced multiplexing platform for protein detection and quantitation

ProcartaPlex assays utilize Luminex xMAP (multianalyte profiling) technology for simultaneous detection and quantitation of up to 80 protein targets in a single 25–50 μL sample from plasma, serum, cell culture supernatants, and other bodily fluids.

The Luminex beads in the ProcartaPlex assay are internally dyed with precise proportions of red and infrared fluorophores to create spectrally unique signatures identifiable by Luminex xMAP detection systems (e.g., Luminex 200, FLEXMAP 3D, MAGPIX).
Similar to a sandwich ELISA, the ProcartaPlex assay uses matched antibody pairs to identify the protein of interest. Each spectrally unique bead is labeled with antibodies specific for a single target protein, and bound proteins are detected with biotinylated antibodies and streptavidin–R-phycoerythrin (RPE).
The conjugation of protein-specific antibodies to distinct beads allows analysis of multiple targets in a single well.

The key difference between a ProcartaPlex assay and ELISA is that the capture antibody in the ProcartaPlex assay is conjugated to a bead and not adsorbed to the microplate well, allowing reagents to remain free-floating in solution.
For detection, the Luminex 200 instrument uses two lasers — one to distinguish bead spectral signatures and another to quantify RPE fluorescence, which correlates with protein concentration.
ProcartaPlex multiplex assays can profile more target proteins using significantly less sample in the same time required for a traditional sandwich ELISA.

ProcartaPlex multiplex panels are available in multiple formats across six species (human, mouse, rat, nonhuman primate, porcine, and canine).
For more information and a comprehensive list of individual protein targets, visit thermofisher.com/procartaplex.

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