Product Overview
CFR100UM-10 Carboxyl Red Fluorescent Microspheres are premium fluorescent polystyrene microspheres engineered for calibration, analytical testing and fluorescence-based research. Featuring bright red fluorescence, highly uniform particle size and reactive surface carboxyl groups, these microspheres provide reliable performance in instrument validation, particle tracking and biomolecule conjugation.
Supplied as a 1% aqueous suspension, CFR100UM-10 offers excellent suspension stability, high fluorescence intensity and outstanding batch-to-batch consistency. The surface carboxyl groups can be activated using EDC/NHS coupling chemistry, allowing efficient covalent immobilization of antibodies, proteins, peptides and other amine-containing biomolecules for advanced research and diagnostic applications.
Key Features
Uniform 100 μm particle size
Bright red fluorescence
Surface carboxyl functional groups
High fluorescence intensity
Excellent particle size uniformity
Stable aqueous suspension
Compatible with EDC/NHS coupling
High biomolecule conjugation efficiency
Excellent optical visibility
Outstanding batch-to-batch consistency
Technical Specifications
Parameter | Specification |
|---|
Product Code | CFR100UM-10 |
Material | Fluorescent Polystyrene Microspheres |
Particle Size | 100 μm |
Surface | Carboxyl (-COOH) |
Solid Content | 1% Suspension |
Excitation (Ex) | 530 nm |
Emission (Em) | 580 nm |
Appearance | Red Fluorescent Suspension |
Storage | 2–8°C |
Packaging | 10 mL / 20 mL / 100 mL |
Applications
Instrument Calibration
Fluorescence Calibration
Particle Tracking
Flow Visualization
Biosensors
Antibody Conjugation
Protein Labeling
Analytical Assays
Molecular Diagnostics
Life Science Research
Product Advantages
CFR100UM-10 combines bright red fluorescence with reactive surface carboxyl groups, providing excellent biomolecule conjugation capability and highly stable fluorescence performance. The large 100 μm particle size offers outstanding visibility for calibration systems, flow visualization, particle tracing and instrument verification. With excellent particle uniformity, strong fluorescence intensity and stable suspension properties, CFR100UM-10 delivers reliable and reproducible performance for research, diagnostics and quality control applications.
Storage and Handling
Store at 2–8°C.
Do not freeze.
Protect from direct light.
Keep the container tightly sealed.
Gently invert before use.
Avoid repeated freeze-thaw cycles.
Prevent microbial contamination during handling.
Customization Service
SANYU GROUP provides customized fluorescent microspheres including:
Customized particle sizes
Customized fluorescence intensity
Customized excitation and emission wavelengths
Surface functionalization
Customized solid content
OEM manufacturing
Bulk production
Custom packaging
Frequently Asked Questions
What are Carboxyl Red Fluorescent Microspheres?
Carboxyl Red Fluorescent Microspheres are fluorescent polystyrene microspheres with reactive carboxyl groups designed for fluorescence labeling, calibration, particle tracking and biomolecule conjugation.
What are the excitation and emission wavelengths of CFR100UM-10?
CFR100UM-10 has an excitation wavelength of 530 nm and an emission wavelength of 580 nm, producing bright and stable red fluorescence suitable for calibration instruments and fluorescence detection systems.
What applications is CFR100UM-10 suitable for?
CFR100UM-10 is widely used for instrument calibration, fluorescence calibration, particle tracking, flow visualization, biosensors, antibody conjugation, analytical assays, molecular diagnostics and life science research.
Can antibodies be conjugated to CFR100UM-10?
Yes. The surface carboxyl groups can be activated using EDC/NHS chemistry to covalently attach antibodies, proteins, peptides and other amine-containing biomolecules.
How should CFR100UM-10 be stored?
Store at 2–8°C, protect the suspension from light, avoid freezing, and gently invert before use to maintain uniform particle dispersion and optimal fluorescence performance.
