Preferential Alignment of Hydroxyapatite Crystallites in Nanocomposites with Chemically Disintegrated Silk Fibroin View Full Text


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Article Info

DATE

2004-06

AUTHORS

Rei Nemoto, Li Wang, Toshiyuki Ikoma, Junzo Tanaka, Mamoru Senna

ABSTRACT

Hydroxyapatite (HAp) nanocrystals were prepared at room temperature by a coprecipitation method from Ca(OH)2 and H3PO4, in the presence of chemically disintegrated silk fibroin (SF). Adsorbed amounts of cations on SF and crystallinity of HAp in the composite were increased by the chemical disintegration of SF higher order structure. Preferential alignment of c-axis of HAp crystallites along the longitudinal direction of ca. 150nm SF fibril was observed. These changes due to disintegration of SF were discussed in terms of the chemical interaction between HAp and SF. The resulted composite with preferential alignment of HAp nanocrystals is a good candidate as a starting material for bone substitutes. More... »

PAGES

259-265

Identifiers

URI

http://scigraph.springernature.com/pub.10.1023/b:nano.0000034656.19386.99

DOI

http://dx.doi.org/10.1023/b:nano.0000034656.19386.99

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1007668085


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