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Profile heterogeneity in your samples by measuring protein expression in thousands of single cells in a single run. All you need to do is load your cell suspension. The scWest chip captures ~1,000 single-cells. Once everything is ready, Milo performs a fast, 1 minute SDS-PAGE separation on each single-cell lysate on-chip. Finally, probe with your favorite conventional Western antibodies to measure ~12 proteins per cell using a variety of multiplexing strategies.

Unlock the Single-Cell Proteome

Milo instrument by ProteinSimple a Bio-Techne brand


The world's first Single-Cell Western platform

Single Cell Western consumables by ProteinSimple a Bio-Techne brand

Single-Cell Western Consumables

Consumables include probing chambers & scWestern Kits

Requirements & compatibility

Sample type

Suspension containing >10,000 cells

Cell diameter

7-25 µm in suspension

Cell type

Mammalian cells; globular in suspension and unfixed

Antibody requirement

Standard unlabeled primaries and fluorescent secondaries

Other equipment needed

Open-format fluorescence microarray scanner capable of 5 µm resolution

Performance & specifications

Typical cell dilutions

Yield capture and analysis of 1,000-2,000 cells per scWest chip

Molecular weight (MW) range

15-175 kDa

MW resolution

10% difference in distinct spectral channels, as low as 30% differences in same spectral channel

Typical target multiplexing

Up to four proteins per cell by spectral and size-based multiplexing Twelve-plus proteins per cell using stripping & reprobing

Workflow time

4-6 hours

Single-Cell Western Applications

Cancer & Immuno-Oncology

Transform your Cancer & Immuno-oncology research by utilizing next-generation western blotting tools to give you richer views into your samples.


Reduce your lab time with automated simple western systems while accelerating your COVID-19 research. Set up, leave and remotely review your data in just 3 hours!

Cell & Gene Therapy

Next-generation analytical instrumentation to help improve and accelerate your cell and gene therapy workflows.

Targeted Degradation

Boost your screening studies using high throughput & hands-free Simple Western systems for quantitative analysis.

SARS-CoV-2 Serology

Quantitatively characterize serum or plasma human IgG antibodies reactive against 5 key viral antigens within one 3-hour run!


A validated workflow for protein analysis in extracellular vesicle samples from the leaders in exosome isolation and high sensitivity western blotting solutions.