Five Fluorescence Channel Flow Cytometry Device
Five-channel flow cytometer with 488nm laser excitation, APD detection, and 0.5-50μm particle size range for multi-parameter cellular analysis and immunophenotyping.
Louise Corscadden, PhD
Neuroscience · ConductScience
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The Five Fluorescence Channel Flow Cytometry Device is a research-grade flow cytometer designed for comprehensive cellular analysis and immunophenotyping applications. This instrument combines forward scatter (FSC), side scatter (SSC), and five fluorescence detection channels (FL1-FL5) to enable simultaneous measurement of multiple cellular parameters from single-cell suspensions. The system utilizes a 488nm solid-state laser for excitation and avalanche photodiode (APD) detectors for high-sensitivity fluorescence detection.
The instrument achieves particle detection across a size range of 0.5-50μm with FSC sensitivity of ≤1μm, making it suitable for analyzing diverse cell populations including blood cells, cultured cells, and microorganisms. With a maximum detection speed of 30,000 events per second and sample flux of 15,000 cells per second, the system provides efficient data acquisition for both routine analysis and high-throughput screening applications. The five fluorescence channels are optimized for common fluorophore combinations: FL1 (FITC), FL2 (PE), FL3 (PE-Texas Red/ECD/PI), FL4 (PerCP/PE-Cy5/PE-Cy5.5), and FL5 (PE-Cy7).
How It Works
Flow cytometry operates on the principle of hydrodynamic focusing and light scattering analysis. Single cells in suspension are introduced into a flow chamber where they are aligned in single file through coaxial flow with hydrodynamic focusing. A pressurized sheath fluid (buffered saline solution) surrounds the sample stream, constraining cells to pass individually through the laser interrogation point.
When each cell intersects the 488nm laser beam, it scatters light and excites bound fluorophores. Forward scatter (FSC) measurements, collected along the laser axis, correlate with cell size, while side scatter (SSC) measurements at 90 degrees correlate with cellular granularity and internal complexity. Simultaneously, fluorescence emission is collected through five distinct optical channels with specific bandpass filters: 525/50nm (FL1), 585/40nm (FL2), 630/30nm (FL3), 697/60nm (FL4), and 780/60nm (FL5).
Avalanche photodiode (APD) detectors convert optical signals to electrical pulses, which are digitized and processed to generate multi-parameter data for each cell. The peristaltic pump system ensures consistent sample delivery while maintaining a minimum sample volume requirement of 90μL. Data acquisition rates up to 30,000 events per second enable efficient analysis of large cell populations with statistical significance.
Features & Benefits
Application Area
- Research Use
Automation Level
- fully-automated
Instrument Type
- Flow Cytometry
Min-Max Temp
- +15°C to +30°C
fluorescence_channels
- Five
instrument_type
- Flow Cytometry
automation_level
- Fully Automatic
application_area
- Research Use
sheath_fluid
- buffered saline solution
optical_system_components
- excitation optics and collection optics
fluidics_system_components
- sheath fluid and pressurized lines
light_scattering_measurements
- Forward Scatter (FSC) and Side Scatter (SSC)
flow_type
- coaxial flow with hydrodynamic focusing
Use
- For Research Use Only
Brand
- ConductScience
Power/Voltage
- 110V, 220V
Temperature Range
- +15°C to +30°C
Research Domain
- Cancer Research
- Cell Biology
- Immunology
- Microbiology
- Pharmaceutical QC
Weight
- 35.0 kg
Dimensions
- L: 500.0 mm
- W: 605.0 mm
- H: 305.0 mm
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Fluorescence Channels | Five dedicated channels (FL1-FL5) with optimized filter sets | Entry-level models typically offer 2-4 channels with fixed filter configurations | Enables more comprehensive multi-color immunophenotyping panels for complex cellular analysis. |
| Detection Technology | Avalanche photodiode (APD) detectors | Most systems use photomultiplier tubes (PMT) for fluorescence detection | APD technology provides enhanced sensitivity for weak fluorescence signals with improved stability. |
| Particle Size Range | 0.5-50μm detection capability | Basic systems often limited to 1-40μm range | Extended range accommodates analysis of bacteria, yeasts, and larger mammalian cells in one platform. |
| Detection Speed | 30,000 events/second maximum acquisition rate | Standard instruments typically achieve 10,000-20,000 events/second | Higher throughput enables faster sample processing and better statistics for rare event analysis. |
| Sample Volume | 90μL minimum sample requirement | Basic systems often require 200-500μL minimum volumes | Reduced sample consumption enables analysis of precious or limited clinical specimens. |
| Sampling Options | Manual, automatic single, 96-well plate, and 32-tube rotary configurations | Entry-level systems typically offer manual sampling only | Multiple automation options support diverse workflow requirements from single samples to high-throughput screening. |
This system combines multi-channel fluorescence capability with APD detection technology and flexible automation options. The five-channel configuration with optimized filter sets provides comprehensive immunophenotyping capability while the 30,000 events/second throughput and 90μL minimum volume support both routine clinical analysis and research applications requiring statistical robustness or sample conservation.
Practical Tips
Run fluorescent calibration beads daily to verify FITC ≤100 MESF and PE ≤50 MESF sensitivity specifications before critical experiments.
Why: Regular calibration ensures measurement accuracy and detects optical system drift that could affect data quality.
Flush fluidics system with deionized water followed by cleaning solution weekly, especially after analyzing samples with high protein content.
Why: Prevents protein buildup and salt deposits that can cause fluidics blockages and affect sample delivery consistency.
Filter all samples through 40μm cell strainers before analysis to remove debris and cell clumps that exceed the 50μm detection limit.
Why: Prevents clogging of the flow cell and eliminates large particles that could interfere with single-cell analysis.
Monitor coefficient of variation in real-time to ensure it remains <2% for all channels during acquisition.
Why: High CV values indicate instrument instability or sample preparation issues that compromise measurement precision.
If carryover exceeds 0.5% specification, increase wash cycles between samples and verify sheath fluid pressure is within operating range.
Why: Excessive carryover compromises quantitative accuracy in comparative studies and clinical applications.
Always wear appropriate PPE when handling biological samples and ensure proper waste disposal protocols for fluorescent dyes.
Why: Protects operators from potential biological hazards and environmental contamination from fluorescent reagents.
Prepare single-stained controls for each fluorophore when setting up multi-color panels to enable proper compensation.
Why: Accurate compensation is essential for resolving overlapping fluorescence signals in multi-parameter analysis.
Use the G0/G1 and G2/M cell cycle resolution specification to validate DNA staining protocols with propidium iodide.
Why: Ensures proper cell cycle discrimination and validates sample preparation for proliferation studies.
Setup Guide
What’s in the Box
- Five-channel flow cytometer main unit
- Power cable and adapters (110V/220V)
- Sheath fluid reservoir and tubing set (typical)
- Waste collection container (typical)
- Sample tubes and holders (typical)
- Calibration bead standards (typical)
- USB data cable (typical)
- User manual and software installation media (typical)
- Installation and training documentation (typical)
Warranty
ConductScience provides a comprehensive 1-year manufacturer warranty covering parts and labor, with technical support for installation, training, and ongoing operational assistance. Extended warranty and service contract options are available for critical applications requiring maximum uptime.
Compliance
References
Background reading relevant to this product:
What fluorophore combinations can be analyzed simultaneously with this five-channel configuration?
The system supports common multi-color panels using FITC (FL1: 525/50), PE (FL2: 585/40), PE-Texas Red/ECD/PI (FL3: 630/30), PerCP/PE-Cy5/PE-Cy5.5 (FL4: 697/60), and PE-Cy7 (FL5: 780/60). This configuration is optimized for immunophenotyping panels including CD3/CD4/CD8/CD16/CD19 combinations.
How does the avalanche photodiode detection compare to photomultiplier tubes for sensitivity?
APD detectors provide high sensitivity with FITC detection ≤100 MESF and PE detection ≤50 MESF, offering excellent performance for weak fluorescence signals while maintaining linearity ≥0.99 across the dynamic range.
What is the practical sample throughput for routine immunophenotyping protocols?
With 15,000 cells/second sample flux and maximum 30,000 events/second detection, typical immunophenotyping samples (10,000-50,000 events) can be acquired in 1-3 minutes depending on cell concentration and gating requirements.
Can this system distinguish between different blood cell populations without fluorescent staining?
Yes, the FSC and SSC resolution specifications indicate the system can separate red blood cells, white blood cells, and platelets based on size and granularity differences using light scatter alone.
What automated sampling options are available for high-throughput applications?
The system offers automatic single-tube sampling, 3-dimensional 96-well plate automation, and a 32-tube rotary table as optional configurations beyond the standard manual sampling method.
How is instrument precision maintained across measurement channels?
The system maintains coefficient of variation <2% for FSC and all fluorescence channels, with carryover ≤0.5% between samples to ensure measurement precision and prevent cross-contamination.
What are the environmental requirements for optimal performance?
The instrument requires a stable environment at 15-30°C temperature range with vibration isolation. Power requirements are flexible with 110V or 220V compatibility.
Can this system perform absolute cell counting for clinical applications?
Yes, the specifications indicate capability for absolute counting with <15% relative difference for populations ≥500/μL, supporting clinical lymphocyte subset enumeration protocols.
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