Product Overview
CFR7UM-10 Carboxyl Red Fluorescent Microspheres are premium fluorescent polystyrene microspheres designed for fluorescence labeling, biomolecule conjugation and analytical applications. Featuring bright red fluorescence, highly uniform particle size and reactive surface carboxyl groups, these microspheres deliver excellent performance in cell analysis, fluorescence microscopy and life science research.
Supplied as a 1% aqueous suspension, CFR7UM-10 provides excellent suspension stability, strong fluorescence intensity and reliable batch-to-batch consistency. The surface carboxyl groups can be activated using EDC/NHS coupling chemistry, enabling stable covalent conjugation of antibodies, proteins, peptides and other amine-containing biomolecules.
Key Features
Uniform 7 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 | CFR7UM-10 |
Material | Fluorescent Polystyrene Microspheres |
Particle Size | 7 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
CFR7UM-10 combines intense red fluorescence with reactive surface carboxyl groups to provide efficient biomolecule conjugation and highly stable fluorescence performance. The 7 μm particle size is particularly suitable for fluorescence microscopy, flow cytometry, cell tracking and calibration applications, offering excellent visibility, high fluorescence brightness and convenient handling in laboratory workflows.
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 for fluorescence labeling, biomolecule conjugation and diagnostic assay development.
What are the excitation and emission wavelengths of CFR7UM-10?
CFR7UM-10 has an excitation wavelength of 530 nm and an emission wavelength of 580 nm, providing bright and stable red fluorescence for fluorescence imaging and analytical detection.
What applications is CFR7UM-10 suitable for?
CFR7UM-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 CFR7UM-10?
Yes. The surface carboxyl groups can be activated using EDC/NHS chemistry to covalently immobilize antibodies, proteins, peptides and other amine-containing biomolecules.
How should CFR7UM-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.
