Si-substituted hydroxyapatite (Si-HAp) nanopowder can be incorporated in biodegradable polymer composites or deposited on biocompatible surfaces similar to pure HAp nanopowder (cat. no. 677418). Biological activity of HAp was shown to be enhanced by substitution of silicon ions into a fraction of HAp lattice phosphate sites.1,2Hydroxyapatite is a key inorganic phosphate that has chemical and structural resemblance to bone. HAp is a popular biomaterial which finds use as a bone or teeth replacement and repair, hard tissue repair.

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Calcium Phosphate is a vital multifunctional material widely utilized across life sciences and industrial sectors. In the food and beverage industry, it serves as an acidity regulator, moisture-retention agent, and nutritional supplement, fortifying dairy products and cereals with essential calcium and phosphorus. Within the medical and dental fields, its exceptional biocompatibility makes it a core component for synthetic bone grafts, dental filling materials, and toothpaste abrasives, effectively promoting bone repair and enamel remineralization. In agriculture, it is a key raw material for high-efficiency phosphatic fertilizers, crucial for crop root development. Additionally, it is used as a stabilizer and flame-retardant synergist in the plastics and coatings industries to enhance material safety performance.