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Innovative, robust technologies for flow cytometry

Our Invitrogen™ Molecular Probes™ product scientists have been at the forefront of invention and development of fluorescent probes for nearly 40 years. The research solutions we've developed in this time include an extensive selection of reagents for the flow cytometry–based interrogation of cell structure, function, and dysfunction and the Invitrogen™ Attune™ NxT Flow Cytometer, which is changing the rules when it comes to speed and performance at an affordable price.

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Featured flow cytometry categories

Flow Cytometers

Our Attune Flow Cytometers employ a revolutionary technology—acoustic-assisted hydrodynamic focusing—to align cells prior to interrogation with a laser for your multicolor flow cytometry analysis. This means that you get accurate data even at sample throughput rates that are 10 times faster than traditional cytometers, all in a benchtop instrument that's easy to own, use, and manage.

Antibodies for Flow Cytometry

Antibodies for CD markers, oncology, immunology, stem cell studies, cell signaling, cytokines and chemokines, as well as for key targets involved in cellular processes.

Instrument Controls & Standards

Find microsphere products for flow cytometer calibration and size reference, compensation control, and cell counting, designed to help ensure peak performance.

Cell Health and Viability Assays

Find flow cytometry-validated reagents and kits for analyzing apoptosis, cell viability, cell cycle, and cell proliferation, including products for fixed cells.

Flow Cytometry Sample Preparation

Sample preparation reagents for flow cytometry including FIX & PERM kits, cell lysis & preservation assays, blocking reagents, and Invitrogen™ Dynabeads™ for cell isolation.

Microbiology Assays

Assess key metabolic processes and monitor bacteria/yeast growth, proliferation, and vitality.

Flow cytometry tools

screenshots of the Flow Cytometry Panel Design Tool

Flow Panel Design Tool

Choose antibody conjugates for your panel in 3 steps: 1) pick the antibody species reactivity, 2) select up to 14 targets, and 3) choose the lasers or fluorophores you want to view.

fluorescent cell image

Fluorophore Selection Guide

Use these quick guides to find antibodies and other conjugates of a broad range of fluorescent dyes, fluorescent proteins, Qdot™ probes, and phycobiliproteins.

screenshots of Fluorescence SpectraViewer

Fluorescence SpectraViewer

This online tool allows researchers to assess the spectral compatibility of dyes and probes in the course of designing experiments that utilize fluorescence detection techniques.


Flow Cytometry Tutorials: Flow tutorials providing a basic understanding of techniques, as well as more detailed information about spectra, filters, and flow cytometry.