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FREE 100 test size!  Offer ends soon. Lysis Buffer redFluor 710 Take the Tonbo Challenge Tonbo Biosciences Product Catalog Flow Cytometry Reagents Recombinant Proteins Ready Set Flow! Foxp3 / Transcription Factor Staining Buffer Kit Quality Use Tonbo Fluors Easy Ordering

Equivalent Performance, Exceptional Value

Transcription Factor Buffers

Specially formulated buffers and solutions for optimal resolution and low background in your analysis of nuclear targets.


High performance antibodies and staining solutions for analysis of Foxp3, TIGIT, CTLA-4, and GITR. Compare to BD, eBioscience or BioLegend.

Custom & Bulk Reagents

We offer over 1000 products, all of which are available in bulk sizes for consistency in long-term studies, as well as optimal value.

Where We'll Be

GNF (Novartis) Show with VWR
San Diego, CA
October 22, 2014

Metro Flow User Group
Union, NJ
October 30, 2014

Quality you can trust. Affordable to all.

In Vivo Ready™ (No Azide, Low Endotoxin)

Turn on your cells with functional antibodies that give you control – activate, cross-link, stimulate. And yes, some antibodies can turn them off too.

Build your own panel

Use our validated Ready-Set-Flow!™ antibodies to build your own custom multi-color panel.

Tonbo Challenge

Compare & See For Yourself

Take the Tonbo Challenge. Win Fabulous Prizes.

Free Shipping on all orders over $500 to anywhere in the US.

Get same day shipping for the reagents you use every day!