Product Overview
CFG40UM-10 Carboxyl Green Fluorescent Microspheres are premium fluorescent polystyrene microspheres developed for fluorescence imaging, cell analysis, flow cytometry, instrument calibration and life science research. Featuring a highly uniform 40 μm particle size, bright green fluorescence and reactive carboxyl-functionalized surfaces, these microspheres provide outstanding fluorescence performance and reliable biomolecule conjugation.
Supplied as a 1% aqueous suspension, CFG40UM-10 offers excellent suspension stability, high fluorescence intensity and exceptional 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 for advanced analytical and diagnostic applications.
Key Features
Uniform 40 μm particle size
Bright green fluorescence
Surface carboxyl functional groups
High fluorescence intensity
Excellent suspension stability
Low particle aggregation
Compatible with EDC/NHS coupling
High biomolecule conjugation efficiency
Excellent batch-to-batch consistency
Suitable for fluorescence imaging and calibration
Technical Specifications
Parameter | Specification |
|---|
Product Code | CFG40UM-10 |
Material | Fluorescent Polystyrene Microspheres |
Particle Size | 40 μm |
Surface | Carboxyl (-COOH) |
Solid Content | 1% Suspension |
Excitation (Ex) | 470/488 nm |
Emission (Em) | 525 nm |
Appearance | Green Fluorescent Suspension |
Storage | 2–8°C |
Packaging | 10 mL / 20 mL / 100 mL |
Applications
Cell Labeling
Flow Cytometry
Fluorescence Microscopy
Cell Tracking
Instrument Calibration
Fluorescence Calibration
Immunoassays
Antibody Conjugation
Biosensors
Life Science Research
Product Advantages
CFG40UM-10 combines bright green fluorescence with highly uniform 40 μm particles and reactive surface carboxyl groups, making it an ideal choice for fluorescence microscopy, cell labeling, flow cytometry and calibration applications. The larger particle size produces exceptionally bright fluorescence signals, excellent visibility under fluorescence microscopes and abundant surface area for biomolecule immobilization. These microspheres provide outstanding suspension stability, reproducible fluorescence intensity and dependable analytical performance in research laboratories and diagnostic development.
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 Green Fluorescent Microspheres?
Carboxyl Green Fluorescent Microspheres are fluorescent polystyrene microspheres with reactive carboxyl groups designed for fluorescence labeling, biomolecule conjugation, cell analysis and diagnostic assay development.
What are the excitation and emission wavelengths of CFG40UM-10?
CFG40UM-10 has excitation wavelengths of 470 nm and 488 nm and an emission wavelength of 525 nm, producing bright green fluorescence compatible with fluorescence microscopes, flow cytometers and other fluorescence detection systems.
What applications is CFG40UM-10 suitable for?
CFG40UM-10 is widely used for cell labeling, flow cytometry, fluorescence microscopy, cell tracking, fluorescence calibration, instrument calibration, immunoassays, antibody conjugation, biosensors and life science research.
Can antibodies be conjugated to CFG40UM-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 CFG40UM-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.
