Role of citrate in the formation of enamel-like calcium phosphate oriented nanorod arrays

The formation of oriented enamel-like fluoride doped hydroxyapatite (HA) nanorods on amorphous calcium phosphate (ACP) substrates in their bare form and containing citrate is compared. It is found that the presence of citrate delays the conversion into un-oriented HA that in turn affects the overgro...

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Bibliographic Details
Published in:CrystEngComm 2019, Vol.21 (32), p.4684-4689
Main Authors: Carella, Francesca, Degli Esposti, Lorenzo, Barreca, Davide, Rizzi, Gian Andrea, Martra, Gianmario, Ivanchenko, Pavlo, Escolano Casado, Guillermo, Gomez Morales, Jaime, Delgado Lpez, Jos Manuel, Tampieri, Anna, Iafisco, Michele
Format: Article
Language:English
Subjects:
Biomedical materials
Bones
Calcium phosphates
Hydroxyapatite
Nanorods
Substrates
Surgical implants
X ray photoelectron spectroscopy
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Summary:The formation of oriented enamel-like fluoride doped hydroxyapatite (HA) nanorods on amorphous calcium phosphate (ACP) substrates in their bare form and containing citrate is compared. It is found that the presence of citrate delays the conversion into un-oriented HA that in turn affects the overgrowth of nanorods as well as their shape and surface features. With citrate being an important component of bones and teeth, this study is highly relevant to attain new insights into the biomineralization processes and to widen the range of strategies for the design of advanced biomaterials. The effect of citrate on the formation of oriented fluoride doped hydroxyapatite nanorods grown on an amorphous calcium phosphate substrate was investigated.
ISSN:1466-8033
1466-8033
DOI:10.1039/c9ce00508k