Product Overview
SANYU GROUP CP7UM-10 Carboxyl Polystyrene Microspheres are monodisperse polymer microspheres with carboxyl (–COOH) functional groups on the particle surface.
CP7UM-10 has a nominal particle diameter of 7 μm and is supplied as a 10% solids aqueous dispersion. The surface carboxyl groups provide active sites for biomolecule immobilization and surface modification.
With uniform micron-scale particle size distribution, stable dispersion performance and high surface carboxyl density, CP7UM-10 is suitable for biomolecule coupling, immunoassay development, particle-based analysis and various life science research applications.
Key Features
Particle size: 7 μm
Surface functional group: Carboxyl (–COOH)
Solid content: 10%
Carboxyl content: 200 μmol/g
Particle number: Approx. 1×10¹⁰ particles/g
Uniform micron-scale particle size
Stable aqueous dispersion
Suitable for EDC/NHS coupling chemistry
High surface functional group density
Technical Specifications
Parameter | Specification |
|---|
Product Code | CP7UM-10 |
Product Name | Carboxyl Polystyrene Microspheres |
Material | Polystyrene |
Particle Diameter | 7 μm |
Functional Group | Carboxyl (–COOH) |
Carboxyl Content | 200 μmol/g |
Solid Content | 10% |
Particle Number | Approx. 1×10¹⁰ particles/g |
Dispersion Medium | Deionized Water |
Appearance | White aqueous dispersion |
Applications
CP7UM-10 Carboxyl Polystyrene Microspheres can be used in:
Immunoassay development
Antibody and protein conjugation
Biomolecule immobilization
Particle-based assay development
Flow cytometry research
Microsphere calibration applications
Biological detection research
Laboratory analysis applications
Surface Functionalization
The carboxyl groups on CP7UM-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.
The high surface carboxyl content of CP7UM-10 provides sufficient active sites for biomolecule immobilization and surface modification, making it suitable for developing functionalized microspheres for biological applications.
Advantages of SANYU Carboxyl Polystyrene Microspheres
Uniform micron-scale particle size
Stable aqueous dispersion
High surface carboxyl density
Reliable batch-to-batch consistency
Suitable for biological coupling applications
Custom particle size and surface modification 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 CP7UM-10
What is CP7UM-10?
CP7UM-10 is a 7 μm carboxyl polystyrene microsphere with surface carboxyl (–COOH) functional groups.
What particle size is CP7UM-10?
CP7UM-10 has a particle diameter of 7 μm.
What is the solid content of CP7UM-10?
CP7UM-10 is supplied as a 10% solids aqueous dispersion.
What functional group is available on CP7UM-10?
CP7UM-10 contains carboxyl (–COOH) functional groups on the particle surface.
What is the carboxyl content of CP7UM-10?
The carboxyl content of CP7UM-10 is 200 μmol/g.
How many particles are contained in CP7UM-10?
CP7UM-10 contains approximately 1×10¹⁰ particles per gram.
Can CP7UM-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 CP7UM-10?
CP7UM-10 is suitable for immunoassays, biomolecule immobilization, particle-based assays, calibration applications and biological research.
Can particle size and surface properties be customized?
Yes. SANYU GROUP provides customized microspheres according to customer requirements.
