How to validate automated cell counters: Benefits of using validation slides over NIST standard beads

26 Nov 2025

In this application note, Logos Biosystems explains the benefits of using validation slides over NIST standard beads. Automated cell counters have become popular for their ability to offer rapid and precise cell counting results. While beads are commonly used for validation in devices like flow cytometers and automated cell counters, they present various challenges. To address these issues, Cell Counter Validation Slides have been developed for validating the LUNA™ cell counter series. These slides offer stability and consistency, eliminating problems such as concentration manipulation and uneven distribution. Additionally, they allow for verification of total cell count and viability using both brightfield and fluorescence optics. By incorporating validation slides, researchers can save time and resources typically spent on additional experiments to ensure accuracy.

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Flow Cytometry / Cell CountingFlow cytometers are used to count, sort and examine multiple characteristics of cells. Other cell analysis equipment includes image cytometers, cell counters, fluorescence-activated cell sorters (FACS), magnetic-activated cell sorters (MACS), and a range of flow cytometry assay kits. Flow cytometers can reveal information on cell viability, cell proliferation, apoptosis and cell cycle progression, as well as identify cell populations and intracellular or cell-surface molecules. Additionally, some flow cytometers, known as FACS, have an additional sorting function after analysis. Cell counters and image cytometers count live and dead cell populations and can also conduct cell proliferation assays. Find the best flow cytometers, cell counters and cell sorters in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Automation Supplies / AccessoriesAutomated accessories and consumables make lab processes fast, efficient and reliable. Useful automation accessories include microplate sealers, label printers and reagent reservoirs.Light MicroscopyLight microscopes or optical microscopes are used to visualize microscale objects under magnification, including cells, clinical specimens and materials. Lab equipment for light microscopy includes confocal microscopes, fluorescence microscopes, zoom and stereo microscopes. Microscope slides and imaging reagents are available for visualizing samples, as well as various microscope stages and incubators for large or temperature-sensitive samples. Find the best light microscopes in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Electron MicroscopyElectron microscopes (EM) are used to create high-resolution images of samples at the nanoscale by means of an accelerated beam of electrons as a source of illumination. Types of electron microscope include scanning electron microscopes (SEM), transmission electron microscopes (TEM), scanning transmission electron microscopes (STEM) and cryo-electron microscopes. Focused ion beam (FIB) microscopes are useful for modifying or milling a sample surface with nanometer precision, as well as imaging. Find the best electron microscopes in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Colony CountingAutomationAutomation in laboratories and manufacturing processes enhances efficiency, precision, and scalability by reducing the need for manual intervention. It plays a critical role in improving productivity, minimizing human error, and accelerating workflows in fields like diagnostics, drug development, and industrial testing. Automation technologies include robotic systems, automated liquid handlers, and process control systems that streamline complex tasks and ensure consistent, reproducible results. Explore our peer-reviewed product directory to discover the best automation solutions, compare options, read user reviews, and get prices directly from manufacturers.MicroscopyMicroscopy is a technique used to observe small objects in detail, from cells to materials, using light or electron microscopes. It enables researchers to examine structures with high resolution, aiding in fields such as biology, medicine, and materials science. With advanced microscopy techniques, scientists can gain insights into cellular processes, tissue structures, and material properties. Explore the best microscopy solutions in our peer-reviewed product directory, compare products, read customer reviews, and get pricing directly from manufacturers.Method ValidationMethod validation is the process used to prove that the analytical procedure used for a particular test is capable of providing suitable data.
How to validate automated cell counters: Benefits of using validation slides over NIST standard beads