Search Thermo Fisher Scientific
Cell Counting Support
Explore our “Getting Started” and “Troubleshooting” sections for solutions to top inquiries and common problems. Browse through our "Guides and Tools" section to access a comprehensive portfolio of product-related support resources.
Getting Started
- How can I update the software of my Countess 3?
- What are the step-by-step instructions to correctly set up my Countess 3/3FL Automated Cell Counter out of the box?
- Which staining dyes can I use with my Countess 3 FL?
- How can I count different types of cells, such as yeast cells and PBMCs, with my Countess 3 Automated Cell Counter?
- How does my Countess 3 instrument compare with other cell counting products in terms of accuracy, speed, and ease of use?
Troubleshooting
- What steps should I follow to troubleshoot common software issues with my Countess 3/3FL Automated Cell Counter?
- How can I resolve connectivity issues between my Countess 3/3FL Automated Cell Counter and my computer?
- What should I do if the screen of my Countess 3/3FL Automated Cell Counter is not turning on?
- How can I update the software of my Countess 3/3FL?
- How can I reset my Countess 3 Automated Cell Counter to its factory settings?
Guides and Tools
- Why Countess 3/3 FL?
- Countess 3/3 FL User Guides and Software
- Compliance for 21 CFR Part 11 – SAE Support
- Key Application Notes and White Papers
- White Paper: The four pillars of achieving accurate and precise cell counts
- Application Note: Cell counting accuracy & precision - Why it matters and how to achieve it
- Application Note: Blood Cell Counting Using the Countess II Automated Cell Counter
- Application Note: Counting of single cells and nuclei on Countess Automated Cell Counters for scRNA-Seq and scATAC-Seq
- Application Note: Fluorescent cell viability assays on Countess Automated Cell Counters
- Other Application Notes and White Papers
- Fact Sheet: Countess Reusable Slide: Generates less waste compared to disposable slides
- Application Note: Comparison of cell counting using Countess II Automated Cell Counters vs. hemocytometers
- Application Note: Cell culture quality control during T cell expansion
- White Paper: The importance of accurate cell counting in flow cytometry and cell sorting
- Application Note: Fluorescent protein reporter gene transduction efficiency measured with the Countess II FL Automated Cell Counter
- Application Note: Fluorescent apoptosis evaluation using the Countess II FL Automated Cell Counter
- Application Note: Simple and accurate monitoring of adipogenesis
- Application Note: Optimizing CRISPR-Cas9 lentiviral transduction efficiency and antibiotic selection measurements
- Application Note: Incorporate automation into your cell analysis workflows (BioProbes 72)
- Service retirement letter: Service Retirement Letter: Important end-of-life Communication for Countess II and IIFL Products
- Search our database for Product Documents: Manuals, Spectra Data, Citations and References
- Search our database for Safety and Quality Documents: MSDS, COA
- Countess 3/3 FL Resources
- Overview: Automated Cell Counters
- Overview: Countess 3 Automated Cell Counter
- Overview: Countess 3 FL Automated Cell Counter
- Demo Request: Countess 3/3 FL Automated Cell Counter Demo Request
- Instrument Registration: Countess 3/3 FL Automated Cell Counter Instrument Registration
- Virtual Tour: Countess 3 Automated Cell Counters Interactive 3D Virtual Tour
- Services: Countess Qualification and Warranty Support
- Countess 3/3 FL Demos and Videos
- General Resources
- Overview: Molecular Probes School of Fluorescence
- Guide: The Molecular Probes Handbook
- Journal Articles: BioProbes Journal of Cell Biology Applications
- Protocol: Counting Cells in a Hemocytometer
- Webinars: Cell Analysis Educational Videos & Webinars
- Browse our site for: Training, Events and Webinars
- Fluorescence SpectraViewer: Plot and compare spectra, check spectral compatibility, and email the configuration to yourself or others in the lab.
- Stain-iT Cell Staining Simulator: Simulate the staining of cells with fluorescent dyes, cell functional reagents, and antibodies.
- Selection Guide: Light Cube Selection Guide
- Selection Guide: Fluorophore Selection Guide
- Table: Dye Compatibility
- Tutorials: Fluorescence Tutorials
- Learning Center: Cell Analysis
- Cell Analysis Resource Library (useful technical, application, and other learning resources including application notes and methods)
- Learning Center: Cell Culture & Transfection
- Cell Culture & Transfection Resource Library (useful technical, application, and other learning resources including application notes and methods)
Custom Services
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From small scale non-GMP manufacturing in our Gibco Rapid Prototyping Services labs to cGMP batches in our animal origin and animal origin–free facilities, we offer tailored media manufacturing services to suit your needs, no matter the developmental stage. We also offer Media Customization Services for our catalog products. Discover how we can accelerate your manufacturing journey.
For Research Use Only. Not for use in diagnostic procedures.