Product Overview
CFR15UM-10 Carboxyl Red Fluorescent Microspheres are high-quality fluorescent polystyrene microspheres featuring reactive surface carboxyl groups and bright red fluorescence. Designed for fluorescence labeling, calibration and biomolecule conjugation, these microspheres combine excellent particle uniformity, stable fluorescence intensity and reliable suspension stability for demanding laboratory applications.
Supplied as a 1% aqueous suspension, CFR15UM-10 exhibits consistent fluorescence performance and excellent batch-to-batch reproducibility. The surface carboxyl groups can be activated using EDC/NHS coupling chemistry, enabling stable covalent attachment of antibodies, proteins, peptides and other biomolecules for immunoassays, biosensors and diagnostic reagent development.
Key Features
Uniform 15 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
Excellent batch-to-batch consistency
Technical Specifications
Parameter | Specification |
|---|
Product Code | CFR15UM-10 |
Material | Fluorescent Polystyrene Microspheres |
Particle Size | 15 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
Cell Labeling
Cell Tracking
Flow Cytometry
Fluorescence Microscopy
Fluorescence Calibration
Instrument Calibration
Antibody Conjugation
Protein Labeling
Molecular Diagnostics
Life Science Research
Product Advantages
CFR15UM-10 provides bright red fluorescence together with highly reactive carboxyl functional groups, enabling efficient biomolecule conjugation and highly reproducible fluorescence signals. The 15 μm particle size offers excellent optical visibility, making these microspheres particularly suitable for fluorescence microscopy, flow cytometry calibration, instrument performance verification and fluorescence-based analytical assays. Their uniform particle size and stable fluorescence ensure consistent and reliable 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 for fluorescence labeling, biomolecule conjugation, calibration and analytical applications.
What are the excitation and emission wavelengths of CFR15UM-10?
CFR15UM-10 has an excitation wavelength of 530 nm and an emission wavelength of 580 nm, producing bright and stable red fluorescence for fluorescence microscopy and analytical instruments.
What applications is CFR15UM-10 suitable for?
CFR15UM-10 is widely used for flow cytometry, fluorescence microscopy, cell labeling, fluorescence calibration, instrument calibration, antibody conjugation, molecular diagnostics and life science research.
Can antibodies be conjugated to CFR15UM-10?
Yes. The surface carboxyl groups can be activated using EDC/NHS chemistry for stable covalent conjugation of antibodies, proteins, peptides and other amine-containing biomolecules.
How should CFR15UM-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 stable fluorescence performance.
