Product Overview
SANYU GROUP CP290-10 Carboxyl Polystyrene Microspheres are monodisperse polymer microspheres with carboxyl (–COOH) functional groups on the particle surface.
CP290-10 has a nominal particle diameter of 290 nm (0.29 μm) and is supplied as a 10% solids aqueous dispersion. The surface carboxyl groups provide active sites for biomolecule immobilization and surface modification.
With stable particle size distribution and reliable dispersion performance, CP290-10 is suitable for antibody conjugation, protein immobilization, immunoassay development, biosensor research and other life science applications.
Key Features
Particle size: 290 nm
Surface functional group: Carboxyl (–COOH)
Solid content: 10%
Carboxyl content: 112 μeq/g
Uniform particle size distribution
Stable aqueous dispersion
Suitable for EDC/NHS coupling chemistry
Good biomolecule immobilization capability
Technical Specifications
Parameter | Specification |
|---|
Product Code | CP290-10 |
Product Name | Carboxyl Polystyrene Microspheres |
Material | Polystyrene |
Particle Diameter | 290 nm (0.29 μm) |
Functional Group | Carboxyl (–COOH) |
Carboxyl Content | 112 μeq/g |
Solid Content | 10% |
Dispersion Medium | Deionized Water |
Appearance | White aqueous dispersion |
Applications
CP290-10 Carboxyl Polystyrene Microspheres can be used in:
Immunoassay development
Lateral flow assay (LFA)
Antibody and protein conjugation
Biomolecule immobilization
Biosensor development
Diagnostic reagent development
Molecular biology research
Surface Functionalization
The carboxyl groups on CP290-10 provide reactive sites for covalent coupling.
After activation with EDC or EDC/NHS chemistry, the microspheres can be conjugated with amino-containing molecules such as antibodies, proteins, peptides and other biomolecules.
Advantages of SANYU Carboxyl Polystyrene Microspheres
Consistent particle size distribution
Stable surface functional groups
Excellent dispersion performance
Reliable batch-to-batch quality
Suitable for biological coupling applications
Customization available
Storage and Handling
Customization Service
SANYU GROUP provides customization services including:
Customized particle sizes
Customized carboxyl density
Customized solid concentrations
Surface functional modification
Customized packaging
Frequently Asked Questions About CP290-10
What is CP290-10?
CP290-10 is a 290 nm carboxyl polystyrene microsphere with surface carboxyl (–COOH) functional groups.
What particle size is CP290-10?
CP290-10 has a particle diameter of 290 nm (0.29 μm).
What is the solid content of CP290-10?
CP290-10 is supplied as a 10% solids aqueous dispersion.
What functional group is available on CP290-10?
CP290-10 contains carboxyl (–COOH) functional groups on the particle surface.
What is the carboxyl content of CP290-10?
The carboxyl content of CP290-10 is 112 μeq/g.
Can CP290-10 be used for antibody or protein coupling?
Yes. The carboxyl groups can be activated using EDC or EDC/NHS chemistry for antibody, protein and biomolecule conjugation.
What applications are suitable for CP290-10?
CP290-10 is suitable for immunoassays, lateral flow assays, biosensors, biomolecule immobilization and life science research.
Can particle size and surface properties be customized?
Yes. SANYU GROUP provides customized microspheres according to customer requirements.
