• Applications of these various forms of silica nanopowder are varied and encompass numerous industries and research avenues, including but not limited to:
• Medical applications. Like many stable, non-toxic nanomaterials, silica nanoparticles have been extensively researched for their potential in specialized drug delivery systems. Silicon oxide nanopowders also play roles in more nanotech-specific, individualized therapies targeting specific diseases, in an approach combining therapeutic capabilities and diagnostic capabilities into a single agent called ‘theranostics’.
• Composite materials. The high versatility of silica nanoparticles in their many configurations make them a key ingredient in the production of many different composite materials. The list includes, but isn’t limited to concretes, glasses, ceramics, alloys, plastics, and rubbers.
• Paint. Silica nanoparticles have been extensively used in various paints to improve opacity and help add a smooth, glossy finish to the completed product.
• Cosmetics. Like many non-toxic nanopowders, silicon oxide nanoparticles have been explored and applied extensively by the cosmetics industry in recent years. Silica, in general, has been used in cosmetics as an abrasive, a bulking agent, to render cosmetics more opaque, to prevent caking, and as a suspension agent.
• Magnetics. The unique properties of certain formations of silica nanoparticles make them of value in producing a number of magnetic materials.
• Catalyst. Like many nanoparticles, silicon oxide nanoparticles have been researched and applied extensively in catalysis. In particular, they’ve been used in various processes as both a highly effective catalyst carrier and a remarkably active catalyst.

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