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Flow Cytometers

Flow cytometers are advanced laboratory instruments used to analyze the physical and chemical characteristics of individual cells or particles in suspension. Using laser-based detection and fluorescence labeling, flow cytometry enables high-throughput single-cell analysis for applications such as immunophenotyping, cell sorting, and disease research.

At LabRepCo, we offer a growing selection of flow cytometers designed for research, clinical, and biopharmaceutical laboratories. Whether you need a compact analyzer for routine assays or a high-performance system for complex multi-parameter studies, our solutions support accurate, reproducible results across a wide range of applications.

What Is Flow Cytometry and How Does It Work?

Flow cytometry is a technique that measures the properties of cells as they flow in a fluid stream through a laser beam. As cells pass through the system, detectors capture light scatter and fluorescence signals, allowing researchers to evaluate:

  • Cell size and granularity

  • Protein expression

  • Cell viability

  • DNA content

  • Biomarker presence

This technology is essential for single-cell analysis and is widely used in immunology, oncology, microbiology, and cell biology research.

Types of Flow Cytometers

Selecting the right system starts with understanding the different types of flow cytometers available:

Flow Cytometry Analyzers

Designed for measuring and analyzing cell populations without sorting. Ideal for routine lab workflows and high-throughput screening.

Cell Sorters (FACS Systems)

Fluorescence-activated cell sorting (FACS) systems physically separate cells based on their characteristics, enabling downstream applications such as cloning or sequencing.

Spectral Flow Cytometers

Advanced systems that capture full emission spectra, allowing for more complex multicolor experiments with improved resolution.

Imaging Flow Cytometers

Combine microscopy and flow cytometry to provide both quantitative data and high-resolution cell images.

Applications of Flow Cytometry

Flow cytometers play a critical role across a wide range of scientific and clinical applications:

  • Immunology: Immunophenotyping and immune response analysis

  • Oncology: Cancer cell detection and tumor profiling

  • Cell Biology: Cell cycle analysis and apoptosis studies

  • Drug Discovery: Screening and biomarker identification

  • Microbiology: Bacterial and microbial population analysis

These systems are essential tools for laboratories requiring precise, data-driven insights at the single-cell level.

How to Choose a Flow Cytometer

When selecting a flow cytometer, several key factors should be considered:

  • Number of Lasers and Detectors: Determines how many parameters can be analyzed simultaneously

  • Fluorescence Sensitivity: Critical for detecting low-abundance markers

  • Throughput: Important for high-volume sample processing

  • Sorting Capability: Required for applications involving cell isolation

  • Automation and Software: Enhances workflow efficiency and data analysis

Choosing the right configuration ensures optimal performance for your specific research or clinical needs.