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Multiplex assay cartridges for automated ELISA platform Ella

Precise. Reliable. Accurate.

  • Powered by R&D Systems, the most trusted brand for quality reagents.
  • Superior precision and reproducibility with results in less than 90 minutes.  
  • Fully validated, highly sensitive with up to 4 logs of dynamic range.
  • Simple Plex assays have sub-picogram sensitivity and a broad dynamic range.
  • Choose from more than 200 target analytes in flexible cartridge formats.
Ella cartridge - 72x1

Stocked Panels Are Available

  • Save time with these off-the-shelf Ella assays.
  • Stocked cartridges ship in 48 hours.
  • Profile cytokines, chemokines, and checkpoint proteins.
  • Curated multiplex and multianalyte panels are also available.
icon illustrating the various costs related to ELISA

How much is your ELISA costing you?

  • Discover how the automated Ella platform completely changes the cost-benefit dynamics of traditional ELISAs.
  • Eliminate tedious manual preparation steps while lowering your cost per data point.
  • Get fully analyzed results in less than 90 minutes without straining your resources or budget.  
Ella Instrument with cartridge

Custom Ella Assay Panel

  • Save time and sample volume with assay panels designed specifically for your study.
  • Easy to use Panel Builder tool helps ensure assay panel compatibility.
  • Choose your analytes of interest and plex up to 4 in a single panel.
  • All assays are fully validated to ensure optimum consistency, accuracy, and precision.

Highly Reproducible Data with No Manual Steps

3D image of cell releasing cytokines

Human Biomarker Assays

More than 150 immunoassays are available to profile human cytokines, chemokines, and more.

Mouse Model Immunoassays

Assays for Model Organisms

Profile rodent cytokines and chemokines as part of your preclinical research workflow.

Single, Multianalyte or Multiplex Assays on Automated ELISA System Ella

Learn More About Ella

Find out how Ella automates the ELISA workflow and gets you data in 90 minutes. Explore resources such as Ella on-demand training, scientific content, and peer stories.

Simple Plex Cartridges

Immunoassay options for Simple Plex assays including single, multianalyte, customizable and multiplex assay options

Learn More About Single Plex, Multianalyte, and Multiplex Assays

Ella Immunoassay Applications

protein bioprocessing workflow

Bioprocess Development

Simple Plex immunoassays enable fast and reliable detection of host-cell proteins during the manufacture of a therapeutic.

immune cells attack cancer cell

Cancer Research

Quickly profile key cancer biomarkers and cytokines with Simple Plex immunoassays. Get data in less than 90 minutes.

Cell and gene therapy

Cell Therapy Research

Use Simple Plex immunoassays for viral vector titration. You can also profile cytokine responses triggered by cell therapy administration.

Infectious Disease Cell SARS CoV-2

COVID-19 Research

Profile cytokine and inflammatory responses to SARS-CoV-2 infection in less than 90 minutes.

joint inflammation

Inflammatory Markers

Simple Plex’s broad range of inflammation immunoassays lets you achieve standardized, real-time cytokine and chemokine data.


Neuroscience Research

Profile Neurofilament Light and neuroscience biomarkers validated for cerebrospinal fluid.

AAV2 virus for simple plex

Viral Titer Assays

Get highly reproducible adeno-associated virus and lentivirus titer data with no manual steps in less than 90 minutes.

preclinical scientist pipetting in the lab

Preclinical Research

With a four-log range of detection, Simple Plex assays have the sensitivity to pick up even very low picogram-per-milliliter levels of endogenous mouse or rat analytes.

ELISA, Luminex®, and Ella Immunoassay Applications

Sandwich ELISA antibody binding antigen in ELISA kit plate well

Immunoassays for Immuno-Oncology

Find out more about all of R&D Systems' immunoassays for Immuno-Oncology research. We have a wide range of multiplex, single analyte, and automated immunoassays.

Unique Animal Model Systems

Unique Animal Model Systems

Working with a unique animal model system? R&D Systems multiplex and single analyte immunoassays are available for a broad range of unique animal model systems.

immunoassay solutions

Immunoassay Workflow Solutions

R&D Systems immunoassays are available for every stage of your workflow, from single-plex to multiplex to rapid automation. Count on us for data you can trust, every time.

green immune cell sending out cytokines

Immune Response Profiling

R&D Systems' immunoassay menu selection is the trusted brand for immune response profiling. Choose the immunoassay that best suits your needs.

Automated ELISA systems Ella runs single, multianalyte and multiplex immunoassays

Analytical Solutions for Cell and Gene Therapy

The Ella platform enables rapid and accurate analysis of protein contaminants and viral vectors.

T cell

Immunoassays for Cell & Gene Therapy Development and Manufacturing

Simple Plex Assays on the Ella instrument expedite the cell therapy quality control workflow.

Application Notes

Endonuclease App Note

Rapid Endonuclease (Benzonase®) Quantification

The Simple Plex Endonuclease assay is a selective and sensitive method for detecting residual endonuclease impurities in bioprocess samples. Download this application note to find out more about the sensitivity, recovery, and linearity of this immunoassay.


Cover of the Cell Killing App Note

Quantify Secreted T Cell Activation Markers

The Ella platform offers a rapid and precise assessment of secreted T Cell activation markers to boost cell therapy development and manufacturing efficiency. Get high-quality, quantitative data in less than 90 minutes with unparalleled flexibility and ease of use.

Simple Plex AAV application note

Fast and Reproducible AAV Titration with Simple Plex Assays

In this application note, we pair Simple PlexTM microfluidic cartridge technology on EllaTM with PROGEN antibodies and demonstrate utility for accurately and efficiently titrating AAV particles.

Luminex® is a Registered Trademark of Luminex Corporation.

Benzonase is a registered trademark of Merck KGaA Corp.