Product Overview
CFR8UM-10 Carboxyl Red Fluorescent Microspheres are premium fluorescent polystyrene microspheres featuring bright red fluorescence and reactive surface carboxyl groups. These microspheres combine excellent particle uniformity, high fluorescence intensity and reliable surface chemistry, making them an ideal choice for fluorescence labeling, immunoassays and life science research.
Supplied as a 1% aqueous suspension, CFR8UM-10 provides excellent suspension stability and reproducible fluorescence performance. The surface carboxyl groups can be activated using EDC/NHS coupling chemistry to covalently conjugate antibodies, proteins, peptides and other amine-containing biomolecules for fluorescence-based assays and imaging applications.
Key Features
Uniform 8 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
Low nonspecific adsorption
Excellent batch-to-batch consistency
Technical Specifications
Parameter | Specification |
|---|
Product Code | CFR8UM-10 |
Material | Fluorescent Polystyrene Microspheres |
Particle Size | 8 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
Product Advantages
CFR8UM-10 combines intense red fluorescence with highly reactive surface carboxyl groups, enabling efficient biomolecule conjugation and stable fluorescence performance. The 8 μm particle size offers excellent visibility under fluorescence microscopy, rapid detection in flow cytometry and high fluorescence brightness for cell labeling, immunoassays and fluorescence calibration applications. Its excellent suspension stability and uniform particle distribution ensure consistent experimental results.
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, biomolecule conjugation and fluorescence-based diagnostic applications.
What are the excitation and emission wavelengths of CFR8UM-10?
CFR8UM-10 has an excitation wavelength of 530 nm and an emission wavelength of 580 nm, producing bright and stable red fluorescence suitable for fluorescence microscopy, flow cytometry and analytical detection.
What applications is CFR8UM-10 suitable for?
CFR8UM-10 is widely used for cell labeling, cell tracking, flow cytometry, fluorescence microscopy, fluorescence immunoassays, antibody conjugation, protein labeling, biosensors, molecular diagnostics and life science research.
Can antibodies be conjugated to CFR8UM-10?
Yes. The surface carboxyl groups can be activated using EDC/NHS chemistry to form stable covalent bonds with antibodies, proteins, peptides and other amine-containing biomolecules.
How should CFR8UM-10 be stored?
Store at 2–8°C, protect the suspension from light, avoid freezing, and gently mix before use to maintain uniform particle dispersion and optimal fluorescence performance.
