Silica Microspheres
Elements can produce materials to custom specifications by request, in addition to custom compositions for commercial and research applications and new proprietary technologies.Elements produces to many standard grades when applicable, including Mil Spec, ACS, Reagent and Technical Grade..
| Silica Microspheres | |
| Product No | NRE-15005 |
| CAS No. | 7631-86-9 |
| Formula | SiO2 |
| Average diameter | 30-50nm |
| Average Length | up to 200µm |
| Purity | 99.9% |
| Molecular Weight | 60.09 g/mol |
| Density | 2.0 g/cm3 |
| Melting Point | 1,600° C |
| Boiling Point | 2,230° C |
Silica Microspheres
Introduction:
Silica microspheres are spherical particles made from silicon dioxide (SiO₂), a compound commonly found in sand and quartz. These microspheres are typically in the size range of 1 to 100 micrometers (µm) and can be produced with a narrow size distribution, making them highly uniform in shape and size.
Diagnostics and Medical Applications
Drug Delivery: SiO2 are used as carriers in drug delivery systems. Their high surface area allows for the loading of a large number of drug molecules, which can be released in a controlled manner. They are also easily functionalized, allowing for targeted delivery to specific tissues or cells.
Immunoassays and Diagnostics: SiO2 are often functionalized with antibodies or other biomolecules for use in immunoassays, such as enzyme-linked immunosorbent assays (ELISA). They are used in diagnostic tests to capture and concentrate specific biomolecules, making detection easier and more sensitive.
Magnetic and Fluorescent Labeling: Silica microspheres can be modified to incorporate magnetic or fluorescent labels, which can be used in immunofluorescence or magnetic resonance imaging (MRI) for enhanced detection and imaging.
Cell Separation: In cell biology and diagnostics, silica microspheres are functionalized to bind specific cell types, allowing for cell sorting or separation in research and medical diagnostics.
Catalysis
Catalyst Supports: Silica microspheres are widely used as supports for catalysts in various chemical reactions. Their large surface area allows for a higher density of catalyst molecules to be supported, improving the efficiency of catalytic processes.
