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Leo System

ProteinSimple, part of Bio-Techne | Catalog # 004-550

ProteinSimple, part of Bio-Techne
The Leo™ System, powered by Simple Western™ Technology
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Leo Provides High-throughput Quantitative Western Analysis – Fluorescence Detection Coming Soon!

The Leo™ System, powered by Simple Western™ Technology, is a high-throughput, fully automated capillary western platform. It enables fast, simple, and sensitive protein quantification and detection, processing up to 96 samples per run, increasing experimental size for quantitative assay designs and delivering results in as little as 3 hours.

How Does Leo Work?

Leo, built on proven and trusted Simple Western technology, processes up to 96 samples in a single run, with a processing time of 3 hours, greatly increasing experimental throughput and enabling larger experiments for analytical grade protein quantification. Get the quantitative capabilities of immunoassays with the size resolution and specificity of westerns. Leo offers flexibility with the ability to utilize 1-4 capillary cartridges to run 25-100 capillaries per run. Each well can be resampled up to 4 times and analyzed in a separate capillary, thus avoiding any concerns with carryover of samples from a prior sampling. With chemiluminescence and fluorescence multiplex, RePlex, and resampling, Leo can detect up to 24 protein targets per sample. Invest confidently in one instrument that meets your needs through the full drug development process.

Leo 3D Tour

Take a Virtual Tour of Leo

Explore Leo for free with an immersive 3D experience and navigate Leo's features at your own pace in a virtual environment.

Watch Webinar On-demand

Discover the Next Era of Protein Expression Analysis

Watch the replay of the latest Leo virtual event, where we introduce new fluorescence-based detection capabilities on Leo, expanding the system’s utility for protein analysis.

Watch the replay of the Leo launch event to explore how Leo can meet your needs, from discovery through analytical development to commercialization, and enable you to reach your next milestone faster.

Watch the Leo Launch Event

Watch the replay of the Leo launch event to explore how Leo can meet your needs and reach your next milestone faster, from discovery through analytical development to commercialization.

Revolutionize Protein Quantitation with Leo

Get a Glimpse of Leo's Performance

This webinar provides data on Leo's performance, including throughput, sensitivity, dynamic range, assay transferability, and key application areas such as CGT, TPD, and MOA studies.

The Simple Way to Advance Protein Research Webinar

The Simple Way to Advance Protein Research

In this webinar, we show how Leo has the potential to transform western blots into quantitative bioanalytical methods suitable for adoption for robust quantitative measures of protein expression, ranging from gene therapy potency to targeted protein degradation studies.  

Preview image of Meet Leo brochure on an ipad device

Leo Brochure

The Leo System is a high-throughput, fully automated capillary western platform that streamlines protein quantification and detection. It processes up to 96 samples per run and delivers results in as little as 3 hours, enabling quantitative assay designs with greater efficiency than ever before. Download PDF version

Citations for Leo System

View all citations for the Simple Western platform.
Please visit our Instrument Citation Database to search our collection of scientific articles that feature our instruments.

Testimonials from your Peers for Simple Western

Showing  1 - 5 of 34 testimonials Showing All

"With the Jess, we've been able to expand the scope of research significantly. This opens up whole new avenues and possibilities for biomarker discovery and therapeutic signalling."

Dr. Sanooj Soni, Clinical Associate Professor in Critical and Perioperative Care, Imperial College London and Honorary Consultant in Intensive Care Medicine and Anaesthetics, Hammersmith Hospital London

"Simple Western has and will continue to enable us to find novel synaptic targets that could potentially mitigate anxiety-like symptoms related to late-life depression and Alzheimer’s disease."

Victor Luna, PhD, Assistant Professor, Alzheimer’s Center at Temple University, Department of Neural Sciences, Lewis Katz School of Medicine, Temple University

"Using Simple Western has been extremely rewarding, especially due to how easy it was to transfer our western blotting assays to a fully automated format on Simple Western and how well CST antibodies perform on the platform."

Chris LaBreck, Ph.D., Senior Product Scientist, Cell Signaling Technology (CST)

"Simple Western™ allows us to run three-hour assays, which would usually take us two days with traditional Western blots."

Laura Martins, Ph.D., Early Development Scientist, Oxford Biomedica

Showing  1 - 5 of 34 testimonials Showing All

More Information About Leo System

Description Leo System
Max capillaries per run 100
Run time 3 hours or 5 hours with RePlex or fluorescence detection
Minimal sample volume required 3 μL/well
Detection Chemiluminescence and fluorescence
RePlex™ (Strip & ReProbe Replacement) Yes
Dimensions (H x W x D) 75 x 70 x 73 cm / 29.5 x 27.5 x 28.7 inch
Weight 136 kg / 300 lb