Todas as fotos(3)

693863

Sigma-Aldrich

Hydroxyapatite

nanopowder, <200 nm particle size (BET), contains 5 wt. % silica as dopant, synthetic

Sinônimo(s):
Si-HAp, Calcium hydroxyphosphate, HAp, Hydroxylapatite, Calcium phosphate tribasic, Tribasic calcium phosphate
Fórmula linear:
[Ca5(OH)(PO4)3]x
Número CAS:
Peso molecular:
502.31
Número MDL:
ID de substância PubChem:
NACRES:
NA.23

Nível de qualidade

100

forma

nanopowder
solid

contém

5 wt. % silica as dopant

tamanho de partícula

<200 nm (BET)

área da superfície

BET surf. area 10-15 m2/g (typical)

pf

1100 °C (lit.)

densidade volumétrica

2‑6 g/cm3

SMILES string

[Ca++].[Ca++].[Ca++].[Ca++].O[Ca+].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O

InChI

1S/5Ca.3H3O4P.H2O/c;;;;;3*1-5(2,3)4;/h;;;;;3*(H3,1,2,3,4);1H2/q5*+2;;;;/p-10

InChI key

XYJRXVWERLGGKC-UHFFFAOYSA-D

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Categorias relacionadas

Aplicação

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.

Embalagem

5 g in glass bottle

Informações legais

Product of Engi-Mat Co.

Storage Class Code

13 - Non Combustible Solids

WGK Alemanha

WGK 3

Ponto de fulgor (ºF)

Not applicable

Ponto de fulgor (ºC)

Not applicable

Equipamento de proteção individual

dust mask type N95 (US), Eyeshields, Gloves

Certificado de análise

Certificado de origem

Lee, J. -H.; Lee, K. S. et al.
Key Engineering Materials, 254-256, 135-135 (2004)
Shiori Doi et al.
Scientific reports, 6, 38021-38021 (2016-12-03)
Piperonal-catabolizing microorganisms were isolated from soil, the one (strain CT39-3) exhibiting the highest activity being identified as Burkholderia sp. The piperonal-converting enzyme involved in the initial step of piperonal metabolism was purified from strain CT39-3. Gene cloning of the enzyme...
S R Kim et al.
Biomaterials, 24(8), 1389-1398 (2003-01-16)
Si, Mg-substituted hydroxyapatites, alone and co-substituted, have been prepared to obtain biomaterials having an improved biocompatibility. From FT-IR, XRD and ICP analyses, it was confirmed that single phases of hydroxyapatite substituted by Si alone or co-substituted by Si, Mg. The...
Hydroxyapatite nanoparticles: a review of preparation methodologies
Ferraz MP, et al.
Journal of Applied Biomaterials & Biomechanics : JABB, 2(2), 74-80 (2004)
Influence of temperature, ripening time and calcination on the morphology and crystallinity of hydroxyapatite nanoparticles.
Pang YX, et al.
J. Eur. Ceram. Soc., 23(10), 1697-1704 (2003)

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