Product Overview
CFR3UM-10 Carboxyl Red Fluorescent Microspheres are premium fluorescent polystyrene microspheres designed for fluorescence labeling, biomolecule conjugation and bioanalytical applications. Featuring bright red fluorescence, highly uniform particle size and reactive surface carboxyl groups, these microspheres provide reliable performance for diagnostic assays and life science research.
Supplied as a 1% aqueous suspension, CFR3UM-10 offers excellent suspension stability, high fluorescence intensity and consistent batch-to-batch quality. The surface carboxyl groups can be activated using EDC/NHS coupling chemistry to covalently immobilize antibodies, proteins, peptides and other amine-containing biomolecules.
Key Features
Uniform 3 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 | CFR3UM-10 |
Material | Fluorescent Polystyrene Microspheres |
Particle Size | 3 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
CFR3UM-10 combines bright red fluorescence with reactive carboxyl functional groups, providing high labeling efficiency and reliable fluorescence performance. The 3 μm particle size is easy to observe under fluorescence microscopy and is well suited for cell labeling, flow cytometry, immunoassays and biomolecule immobilization. Its excellent suspension stability and high fluorescence brightness make it an ideal fluorescent probe for research and diagnostic 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, biomolecule conjugation and diagnostic assay development.
What are the excitation and emission wavelengths of CFR3UM-10?
CFR3UM-10 has an excitation wavelength of 530 nm and an emission wavelength of 580 nm, producing bright red fluorescence suitable for fluorescence microscopy and analytical instruments.
What applications is CFR3UM-10 suitable for?
CFR3UM-10 is widely used for cell labeling, cell tracking, flow cytometry, fluorescence microscopy, fluorescence immunoassays, antibody conjugation, biosensors, molecular diagnostics and life science research.
Can antibodies be conjugated to CFR3UM-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 CFR3UM-10 be stored?
Store at 2–8°C, protect the product from light, avoid freezing, and gently mix before use to maintain optimal fluorescence intensity and particle dispersion.
