A comprehensive understanding of cell functions is vital to advancing research. By unraveling the mechanisms behind cellular behavior, researchers can uncover new insights into various biological processes, paving the way for advancements in medicine, biotechnology, and more.

Thermo Fisher Scientific offers a broad range of cell function assays and reagents to elucidate key cellular processes including apoptosis, cell proliferation, cell cycle and viability, oxidative stress, internalization processes like phagocytosis and endocytosis as well as indicators for ion homeostasis. These cell function assays can be used on multiple instrument platforms including flow cytometrymicroscopymicroplate reader, and high content screening.

Cell function assays by cellular process

Research tools and handbooks


Antibody search tool

Easily search our extensive portfolio of high-quality primary, secondary, and conjugated antibodies for IF, FC, IHC, and other applications.

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Fluorescence SpectraViewer

Supports all levels of experimental complexity, use the tool to compare excitation and emission spectra of fluorophores and reagents.

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Stain-iT Cell Staining Simulator

Visualize staining your cell without wasting your reagents, antibodies, or time.

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Flow cytometry protocols handbook

Protocols that fit your needs in flow cytometry ranging from sample preparation to numerous cell stimulation conditions, staining, immunophenotyping, and data analysis strategies.

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Imaging protocol handbook

Protocols that fit your needs in imaging ranging from sample and assay preparation to staining, labeling, and data analysis strategies. 

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Cell Analysis Learning Center
Access educational resources for better experiment planning and execution.

Cell Analysis Protocols
Access educational resources for better experiment planning and execution.


Cell Analysis Support Center
Find tips and tricks, and answers to everyday problems.

Style Sheet for Global Design System

For Research Use Only. Not for use in diagnostic procedures.