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Merck

702153

Sigma-Aldrich

Hydroxylapatit

nanoparticles, dispersion, 10 wt. % in H2O, <200 nm particle size (BET)

Synonym(e):

Calcium hydroxide phosphate, Calcium hydroxylapatite, Calcium hydroxyphosphate, Nano hydroxyapatatite, Pentacalcium hydroxide triphosphate

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25 ML
203,00 €

203,00 €

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Versandbereit am22. April 2025Details


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25 ML
203,00 €

About This Item

Lineare Formel:
[Ca5(OH)(PO4)3]x
CAS-Nummer:
Molekulargewicht:
502.31
MDL-Nummer:
UNSPSC-Code:
12352302
PubChem Substanz-ID:
NACRES:
NA.23

203,00 €

Listenpreis290,00 €Sparen Sie 30%

Versandbereit am22. April 2025Details


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Form

dispersion
nanoparticles

Qualitätsniveau

Enthält

≤0.025 wt. % dispersant (non-metal based)

Konzentration

10 wt. % in H2O

Oberflächenbereich

14.3 m2/g , typical

Partikelgröße

<200 nm (BET)

pH-Wert

4-6

Dichte

1.038 g/mL at 25 °C

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

InChIKey

XYJRXVWERLGGKC-UHFFFAOYSA-D

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Allgemeine Beschreibung

Hydroxyapatite(HAP) is an osteoconductive bioceramic material which has uniqueability to form direct bonds with living tissues. It can be easily prepared byvarious techniques such as sol-gel, hydrothermal, multiple emulsion, biomimeticdeposition, and electrodeposition.

Anwendung

Hydroxyapatite can be used as:
  • An implant material for bone substitute due to its chemical similarity to the inorganic component of bone and osteo inductive properties.
  • A vehicle for gene and drug delivery because of its encapsulation capacity and affinity to several drugs and proteins.
  • A pH responsive particulate emulsifier.

Leistungsmerkmale und Vorteile

  • Biocompatible
  • Osteoconductive
  • Stable under physiological conditions
  • High mechanical strength

Rechtliche Hinweise

Product of Engi-Mat Co.

Lagerklassenschlüssel

12 - Non Combustible Liquids

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable


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Die Dokumentenbibliothek aufrufen

Martin P Reichhardt et al.
Life science alliance, 3(4) (2020-02-27)
The scavenger receptor cysteine-rich (SRCR) family of proteins comprises more than 20 membrane-associated and secreted molecules. Characterised by the presence of one or more copies of the ∼110 amino-acid SRCR domain, this class of proteins have widespread functions as antimicrobial
Xi Chen et al.
The Journal of biological chemistry, 289(16), 11162-11174 (2014-03-13)
Calcium phosphate precipitates (CPPs) form complexes with DNA, which enter cells via endocytosis. Under this condition CPPs induce autophagy via the canonic autophagy machinery. Here we showed that CPP-induced autophagy was also dependent on endocytosis as the process was significantly
Liam M Grover et al.
Biomaterials, 34(28), 6631-6637 (2013-06-12)
Pyrophosphate ions are both inhibitors of HA formation and substrates for phosphatase enzymes. Unlike polyphosphates their hydrolysis results simultaneously in the complete loss of mineral formation inhibition and a localised elevation in orthophosphate ion concentration. Despite recent advances in our
Tie Liu et al.
Bone, 56(1), 110-118 (2013-06-05)
As an alternative to an autologous bone graft, deproteinized bovine bone (DBB) is widely used in the clinical dentistry. Although DBB provides an osteoconductive scaffold, it is not capable of enhancing bone regeneration because it is not osteoinductive. In order
Thomas Lyon et al.
The Journal of bone and joint surgery. American volume, 95(23), 2088-2096 (2013-12-07)
Recombinant human bone morphogenetic protein-2 (rhBMP-2) applied on an absorbable collagen sponge improves open tibial fracture-healing as an adjunct to unreamed intramedullary nail fixation. We evaluated rhBMP-2 and a new, injectable calcium phosphate matrix (CPM) formulation in acute closed tibial

Artikel

Nanoparticles can be used for applications such as growing cells for tissue engineering, nanocomposites used in orthopedics, and miniaturized sensors for DNA, pathogens, and chemicals.

Fragen

  1. What is the dispersant used?

    1 Antwort
    1. The dispersant used is based on polyphosphoric acid, and approximately 0.25 wt% of hydroxyapatite is used.

      Hilfreich?

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