Product Overview
SiS70NM-10 Standard Silica Microspheres are highly monodisperse silicon dioxide (SiO₂) nanoparticles with an average particle size of 70 nm. Produced using advanced synthesis technology, these microspheres exhibit excellent particle size uniformity, low aggregation and outstanding dispersion stability.
The naturally occurring hydroxyl (-OH) groups on the particle surface enable convenient chemical modification and biomolecule immobilization. These silica microspheres are widely used in immunodiagnostics, chromatography, nanocomposite materials, analytical standards and life science research.
Key Features
Uniform 70 nm particle size
Monodisperse silica particles
Natural hydroxyl (-OH) surface
Excellent dispersion stability
Low particle aggregation
High purity silicon dioxide
Narrow particle size distribution
Easy surface functionalization
Excellent chemical stability
Suitable for biological and industrial applications
Technical Specifications
Parameter | Specification |
|---|
Product Code | SiS70NM-10 |
Material | Silicon Dioxide (SiO₂) |
Particle Size | 70 nm |
Surface Chemistry | Hydroxyl (-OH) |
Solid Content | 2.5% |
Dispersion Medium | Deionized Water |
Appearance | White Aqueous Suspension |
Storage Temperature | 2–8°C |
Packaging | 10 mL / 20 mL / 100 mL |
Applications
Lateral Flow Immunoassays (LFIA)
Immunodiagnostics
Biomolecule Immobilization
Chromatography Packing Materials
Nanocomposite Materials
Drug Delivery Research
Surface Modification Research
Coatings and Functional Materials
Analytical Standards
Academic Research
Product Advantages
SiS70NM-10 Standard Silica Microspheres offer excellent monodispersity, high surface activity and exceptional chemical stability. Their hydroxyl-rich surface can be further modified with amino, carboxyl, epoxy or fluorescent groups to meet a wide range of research and diagnostic requirements.
The narrow particle size distribution and excellent dispersion stability ensure reproducible experimental results, making these microspheres an ideal choice for biotechnology, diagnostics and advanced materials development.
Storage and Handling
Store at 2–8°C.
Do not freeze.
Keep the container tightly closed.
Mix gently before use.
Avoid repeated freeze-thaw cycles.
Prevent microbial contamination.
Customization Service
SANYU GROUP provides customized silica microspheres, including:
Customized particle sizes
Customized solid content
Amino surface modification
Carboxyl surface modification
Epoxy surface modification
Streptavidin modification
Fluorescent labeling
OEM manufacturing
Bulk production
Custom packaging
Frequently Asked Questions (FAQ)
What is SiS70NM-10?
SiS70NM-10 is a 70 nm silicon dioxide (SiO₂) microsphere with natural hydroxyl surface groups supplied as a 2.5% aqueous suspension.
What surface chemistry does this product have?
The particles feature a hydroxyl (-OH) surface that can be further functionalized for biological and chemical applications.
What applications is this product suitable for?
It is widely used in lateral flow assays, immunodiagnostics, chromatography, nanocomposite materials, analytical standards and life science research.
Can the surface be modified?
Yes. The hydroxyl surface can be functionalized with amino, carboxyl, epoxy, fluorescent and other groups according to customer requirements.
How should SiS70NM-10 be stored?
Store at 2–8°C, avoid freezing, keep the container tightly sealed and gently mix before use.
