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Luminex bead based multiplex assays

Immunoassays for Every Stage of Your Workflow

From our renowned R&D Systems ELISA kits and Luminex® assays to our fully automated Simple Plex™ and Simple Western™ systems, you can count on our immunoassays to deliver accurate, high-quality data consistently over time.

At the core of each of our immunoassays are our carefully tested, in-house antibodies, proteins, and specialized diluents—all highly specific, reproducible, and tested to ensure the most accurate, reliable, and trusted results.

Starting with a single analyte? Looking for multiplexing capabilities? Need a custom solution? Whatever your needs, you can trust our immunoassays to deliver precise, accurate results the first time and every time.

Data You Can Trust—The First Time, Every Time.

Sandwich ELISA antibody binding antigen in ELISA kit plate well

Quantikine ELISAs

Legendary reproducibility has helped make our Quantikine ELISA Kits the most trusted name in ELISAs. Carefully selected antibody pairs and optimally formulated diluents help ensure accurate and reproducible results from one experiment to the next. Choose from over 600 target analytes.

Quantikine ELISAs
Quantikine High Sensitivity ELISA Kits
Luminex assay image showing bead, antibodies and lasers that are part of a Luminex assay

Luminex Assays

Our Luminex Assays are designed to maximize multiplexing capacity and flexibility while maintaining assay specificity. Personalize your Luminex panel with the largest, mix and match menu on the market. Choose from hundreds of analytes across multiple species.

Explore Luminex Assays
Build Your Custom Luminex Assay 
Choose Your Luminex Instrument
Automated ELISA with Ella

Simple Plex Assays™

Simple Plex assays on the Ella platform bring a higher level of precision and automation to your immunoassay workflow. Ella’s multi-sample, ready-to-go cartridges let you run up to four immunoassays per sample, all at once. You get highly reproducible validated results in less than 90 minutes, with no manual steps.

Next-Generation ELISA
Simple Plex Options
Fully Automated ELISA
Protein analysis with Jess

Simple Western Assays

Our Simple Western systems automate the entire Western blot workflow and allow you to obtain faster results in 3 hours with only 3µL of sample. Multiplex across three different detection channels with precision and industry-leading fluorescence detection sensitivity. Double your data with RePlex™ and analyze your samples by both immunoassay and total protein in the same run.

Simple Western Systems
Multiplex with RePlex Assays
Simple Western Antibody Database

Consistent Performance. Reliable Results.

DuoSet ELISA Development Systems


Our DuoSet ELISA development kits contain all the essential components needed to develop a sandwich ELISA to measure recombinant and natural proteins. DuoSet assays offer a cost-efficient alternative to buying separate antibodies and proteins and optimizing your own assay. Choose from a selection of over 1,000 single-analyte DuoSet ELISAs.

DuoSet ELISA Kits
Build Your ELISA DuoSet
ELISpot Kits

ELISPot Kits

Highly sensitive, microplate-based ELISpot assays provide efficient, accurate detection of cytokine secreting cells. Kits are available for the detection and enumeration of a single analyte. Complete ELISpot kits are ready-to-run and require no assay development or refinement.


Single Analyte ELISpot Kits


Proteome Profiler™ Antibody Array

Proteome Profiler Arrays

Simple and economical Proteome Profiler Antibody Arrays allow for the measurement of up to 119 proteins in a sample. Quickly assess complex signaling responses with no specialized equipment required. All arrays utilize chemiluminescence for detection and select arrays are also suitable for use with the LI-COR® and FluorChem™ detection systems.

Profile Human Proteins 
Arrays in Cancer Research
Proteome Profiler Array Options 

Immunoassay Applications


Immuno-oncology Research

Superior precision and accuracy of Bio-Techne immunoassays can help uncover new views into the role of proteins in cancer and accelerate protein-based therapeutics.

Unique Animal Model Systems

Unique Animal Model Systems

From Luminex multiplex assays to our gold standard Quantikine ELISAs, explore Bio-Techne’s expansive line of immunoassays for unique animal model systems. 

Gene Engineering Services

Cell and Gene Therapy

From optimized Luminex assays to fully automated ELISAs, Bio-Techne immunoassays are designed to provide superior performance for every stage in your cell and gene therapy workflow.    

Covid 19 Cell

Assays for COVID-19 Research

Explore Bio-Techne’s range of multi-antigen serology assays for fast, accurate quantitative characterization of serum or plasma human IgG antibodies.

Immunoassay Quality at the Core

From the raw materials we put in them to the scientists that develop them, we ensure quality every step of the way.

Core Reagents:

Building consistent, reproducible assays hinges on high-quality raw materials. At the center of all Bio-Techne immunoassays are our proteins, antibodies, and specialized diluents.

Expertise: Our deep experience in developing and manufacturing immunoassays allows us to produce the most consistent and reliable assays capable of delivering superior accuracy and precision.
Accuracy: Assay interference common in complex sample matrixes can be overcome with careful choice of reagents and specialized diluents, helping to ensure you get the most accurate and reliable results.
Quality Control: Rigorous quality control of ever raw material and every assay kit allows us to deliver assays that remain consistent and highly reproducible over time.
Custom Services: Build the assay that best fits for your experimental needs using our customized immunoassay solutions. Services include species testing, qualification, modification of an existing assay, and new immunoassay development.

Immunoassays Options from Discovery to Validation

Immunoassay options ELISA kits, antibody arrays, Luminex assays, and automated immunoassay platform Ella

Identify the Best Immunoassay to Fit Your Needs


Number of Analytes



Sample Volume

Assay Time 


Quantikine ELISA 1 96-well plate Most Published Low CV's 10-200µL 3-5 Hours Plate Reader
Quantikine QuicKit 1 96-well plate Simplified Protocol Results in 90 mins 50µL 1.5 Hours Plate Reader
Quantikine HS ELISA 1 96-well plate Highest Sensitivity 10-200µL 4-4.5 Hours Plate Reader
DuoSet ELISAs 1 Flexible Economical Largest Menu Flexible 100µL 20 Hours Plate Reader
Simple Plex Assays Up to 8 Cartridge Hands-Free Sensitive 2.5-25µL 1.5 Hours ELLA
Simple Western Assays At least 1 Cartridge Automated, Sensitive, Reproducible 3µL 3 Hours Simple Western
Luminex High-Performance Assays Up to 45 Bead-based Completely Optimized Panels 25µL 4 Hours Luminex
Luminex Discovery Assays Up to 50 Bead-based Most Flexible Panels 25µL 4 Hours Luminex
Proteome Profiler Arrays Up to 119 Membrane Array Largest Screening Capabilities 50-500µL 20 Hours Imaging System

Download These Documents at the R&D Systems Website

Cover of the Luminex Assay Users Guide

Luminex Users Guide

Learn how your workflow can benefit with Luminex multiplex immunoassays. Generate quantitative data on up to 50 targets simultaneously. Build your own custom panel or select from a predefined panel.

Elisa Guide

ELISA Best Practices

Learn about different types of ELISA kits, sample preparation, and which immunoassay is right for you. Download this informative guide to learn more.

Brochure cover image- title reads "four essentials of immunoassay quality"

Why Quality Matters

Producing reliable, reproducible results is essential to drive your research forward. Learn how Bio-Techne integrates the four fundamentals of quality to deliver the most trusted, reliable immunoassays on the market.

Technical Documents

Luminex Fixation Application Note

Luminex Application Note

Learn how Bio-Techne scientists tested the hypothesis and confirmed that its Luminex® Assays are compatible with standard fixation protocols.

Protein Simple App Note

Automated Host Cell Measurement

Learn how to achieve fast and reproducible host cell protein detection with Simple Plex assays on Ella.

What's in your sample? Choosing the right immunoassay solution

What's in Your Sample?

Learn about our different immunoassay platforms, what's new, and our menu of analytes. Find which features are best for your needs. Watch our immunoassay video.

Efficiently Profile Brain Biomarkers Using Luminex Panels


“The Luminex Porcine panel proved instrumental in giving us the high-quality data we needed”

– Elizabeth Rick, Research Scientist at Oregon Health & Sciences University (OHSU)


Customer Success Stories

Awards & Recognition

T Cell-Based Therapies eBook

This new eBook provides an overview of several biological and manufacturing challenges facing the development and production of T cell therapies. It follows with examples of how Bio-Techne products and services can address these challenges at each stage of the process.

Quantify Secreted T Cell Activation Markers

Simple Plex assays on the Ella platform offer 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 just 90 minutes with unparalleled flexibility and ease of use.


Luminex® is a Registered Trademark of Luminex Corporation.