Product Overview
ASi20UM-10 Amino Silica Microspheres are precision-engineered monodisperse silicon dioxide particles with a nominal diameter of 20 μm. Their surfaces are functionalized with stable amino (-NH₂) groups, providing abundant reactive sites for covalent coupling with antibodies, proteins, enzymes, peptides and other biomolecules. Manufactured under strict quality control, these microspheres exhibit excellent particle size uniformity, high purity, low aggregation and outstanding suspension stability.
Supplied as a 2.5% aqueous suspension, ASi20UM-10 is widely used in immunodiagnostics, protein immobilization, enzyme conjugation, biosensor fabrication, cell separation research and biotechnology applications requiring highly reproducible performance.
Key Features
Monodisperse 20 μm particle size
Amino (-NH₂) functionalized surface
High purity silicon dioxide
Excellent dispersion stability
Uniform spherical morphology
Low particle aggregation
High density of reactive amino groups
Excellent chemical stability
Excellent batch-to-batch consistency
Suitable for research and industrial applications
Technical Specifications
Parameter | Specification |
|---|
Product Code | ASi20UM-10 |
Material | Silicon Dioxide (SiO₂) |
Particle Size | 20 μm |
Surface | Amino (-NH₂) |
Solid Content | 2.5% Suspension |
Dispersion Medium | Deionized Water |
Appearance | White Aqueous Suspension |
Storage | 2–8°C |
Packaging | 10 mL / 20 mL / 100 mL |
Applications
Antibody Immobilization
Protein Conjugation
Enzyme Immobilization
Immunoassays
Cell Separation Research
Biosensors
Molecular Diagnostics
Surface Modification
Biotechnology Research
Life Science Research
Product Advantages
ASi20UM-10 Amino Silica Microspheres combine excellent particle size uniformity, high purity and abundant amino functional groups. Their 20 μm diameter provides excellent handling performance and a large reactive surface for efficient covalent immobilization of antibodies, proteins, enzymes and peptides. They are widely used in immunoassays, biosensor development, molecular diagnostics and biotechnology research. Strict manufacturing standards ensure excellent batch-to-batch consistency and highly reproducible experimental results.
Storage and Handling
Store at 2–8°C.
Do not freeze.
Keep the container tightly closed.
Gently invert before use.
Avoid repeated freeze-thaw cycles.
Protect from direct sunlight.
Use clean laboratory equipment during handling.
Customization Service
SANYU GROUP provides customized amino silica microspheres including:
Customized particle sizes
Customized solid content
Amino group density adjustment
Carboxyl surface modification
Epoxy surface modification
OEM manufacturing
Bulk production
Custom packaging
Frequently Asked Questions (FAQ)
What are Amino Silica Microspheres?
Amino Silica Microspheres are monodisperse silica particles with amino (-NH₂) functional groups on their surfaces for efficient covalent immobilization of biomolecules.
What is the particle size of ASi20UM-10?
ASi20UM-10 has a nominal particle diameter of 20 μm, providing excellent particle size uniformity and stable dispersion.
What applications is ASi20UM-10 suitable for?
It is widely used for antibody immobilization, protein conjugation, enzyme immobilization, immunoassays, biosensors, molecular diagnostics, cell separation research and biotechnology applications.
Can biomolecules be covalently attached to ASi20UM-10?
Yes. The amino-functionalized surface enables efficient covalent coupling of antibodies, proteins, enzymes, peptides and nucleic acids using appropriate crosslinking chemistries.
How should ASi20UM-10 be stored?
Store at 2–8°C, avoid freezing, keep the container tightly sealed and gently invert before use to maintain optimal dispersion stability.rsion stability.
