Meso Scale Discovery® Electrochemiluminescence to Support Your Multiplexing Needs
Platforms

Meso Scale Discovery®
Electrochemiluminescence (MSD-ECL)

Ultra-Sensitive Detection to Support Your Multiplexing Needs

BioAgilytix leverages the Meso Scale Discovery Electrochemiluminescence (MSD-ECL) platform and its plate-based electrochemical luminescence technology to provide reliable, high quality data for a diverse variety of biological assay needs, particularly those characterized by high sensitivity and high tolerance to circulating antigen.

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msd ecl platform analytical device

How the Meso Scale Discovery Platform (MSD-ECL) Works

The MSD-ECL platform uses electrochemiluminescent labels that are conjugated to detection antibodies. These labels generate light when stimulated by electricity in the appropriate chemical environment, which can then be used to measure key proteins and molecules.

The detection process is initiated at electrodes located in the bottom of the platform’s microplates, and only labels near the electrode are excited and detected. Electricity is applied to the plate electrodes, leading to light emission by SULFO-TAG labels, which are electrochemiluminescent labels that allow for ultra-sensitive detection. Light intensity is then measured to quantify analytes in the sample. The MSD-ECL platform employs buffers with high concentrations of Tripropylamine as a catalyst for a dual redux reaction with Rethenium, emitting light at 6:20 nm.

platform comparison guide

bioagilytix platform comparison guide

What Platform is Best for Your Project?

Use our Platform Comparison Guide to evaluate the optimal method and technology for your assay, based on its unique characteristics and performance requirements.

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Ideal MSD Applications: For Multiplexing and Complex Matrices

The MSD-ECL platform offers great flexibility with stable, non-radioactive, and easily conjugated labels. Because of these factors, it makes a strong alternative to conventional colorimetric methods like ELISA when higher sensitivity and multiplexing are critical. We have also found MSD assays are optimal for complex matrices as they typically yield low interference from components like serum or plasma. MSD is particularly advantageous in that its bridging formats are not specific for species or antibody subclass.

BioAgilytix’s scientists most frequently utilize Meso Scale Discovery (MSD-ECL) in our work with biomarkers, immunogenicity, pharmacokinetics (PK), cell-based assays, and lot release testing. We are able to run MSD assays in support of non-GLP, GLP, and product release testing under GMP using samples from rodents, humans, and non-human primates.

biomarkers

Biomarkers

immunogenicity

Immunogenicity

pharmacokinetics

Pharmacokinetics

cell-based assays

Cell-Based Assays

Key MSD-ECL Benefits: High Sensitivity and Broad Dynamic Range

Although similar in many respects to the traditional ELISA method, the Meso Scale Discovery platform (MSD-ECL) uses non-radioactive electrochemiluminescent labels for ultra-sensitive detection, yielding higher sensitivity and broader dynamic range, all at lower sample volumes.

It uses multiple excitation cycles for each label to amplify the signal, enhancing light levels for precise measurement, and provides high and low expression levels that can be measured without multiple sample dilutions.

Additionally, this immunoassay method decouples the stimulation – electricity – from the signal – light – so that only labels near the electrode surface are detected, ensuring low background. This gives our scientists the ability to quickly derive quality data in a variety of sample types, including cell supernatant, serum, plasma, and whole blood.

msd ecl analysis report

Top Benefits of MSD Assays:

  • High Sensitivity
  • Broad Dynamic Range
  • Robust & Rugged
  • High Throughput
  • Adaptability to Automation
  • Small Sample Volumes
  • Multiplexing
shankar-paper

MSD In Action:

Evaluation of MSD-ECL Multiplex Immunoassay for the Determination of Cardiac Toxicity Biomarkers in Rat Serum

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Bioagilytix’s MSD-ECL Platform Expertise

BioAgilytix’s scientists are proven experts at multiplexing on the Meso Scale Discovery platform (MSD-ECL), and our lab has been selected as the first to validate MSD’s Human Cytokine 30-Plex V-PLEX Kit.

We have particular expertise using MSD-ECL for complex matrices, and have had proven success meeting the demands of even the most challenging bioanalytical assays.

Learn how we can support your unique assay requirements with the MSD platform today.

scientist performing mesoscale discovery

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