Product Overview
ASi200UM-10 Amino Silica Microspheres are precision-engineered monodisperse silicon dioxide particles with a nominal diameter of 200 μm. Their surfaces are functionalized with stable amino (-NH₂) groups, providing abundant reactive sites for covalent immobilization of antibodies, proteins, enzymes, peptides and nucleic acids. Manufactured under strict quality control, these microspheres deliver excellent particle size uniformity, high purity, low aggregation and outstanding suspension stability.
Supplied as a 2.5% aqueous suspension, ASi200UM-10 is ideal for affinity chromatography, protein purification, enzyme immobilization, biosensor fabrication, immunodiagnostics and other biotechnology applications that require large, highly uniform functional particles.
Key Features
Monodisperse 200 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 | ASi200UM-10 |
Material | Silicon Dioxide (SiO₂) |
Particle Size | 200 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
Affinity Chromatography
Affinity Purification
Biosensors
Molecular Diagnostics
Surface Modification
Biotechnology Research
Life Science Research
Product Advantages
ASi200UM-10 Amino Silica Microspheres combine excellent particle size uniformity, high purity and abundant amino functional groups. Their 200 μm diameter provides excellent mechanical strength, rapid settling characteristics and outstanding flow performance, making them particularly suitable for affinity chromatography, protein purification and enzyme immobilization. Strict manufacturing standards ensure consistent quality and highly reproducible experimental performance.
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 ASi200UM-10?
ASi200UM-10 has a nominal particle diameter of 200 μm, providing excellent particle size uniformity and stable suspension performance.
What applications is ASi200UM-10 suitable for?
It is widely used for antibody immobilization, protein conjugation, enzyme immobilization, affinity chromatography, affinity purification, biosensors, molecular diagnostics and biotechnology research.
Can biomolecules be covalently attached to ASi200UM-10?
Yes. The amino-functionalized surface enables efficient covalent coupling of antibodies, proteins, enzymes, peptides and nucleic acids using suitable crosslinking chemistries.
How should ASi200UM-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.
