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- Title
In situ phosphorus K-edge X-ray absorption spectroscopy studies of calcium-phosphate formation and transformation on the surface of bacterial cellulose nanofibers.
- Authors
Luo, Honglin; Xiong, Guangyao; Wan, Yizao
- Abstract
In this work, for the first time, in situ formation and transformation process of embryo calcium phosphate (Ca-P) minerals on three-dimensional bacterial cellulose nanofibers was investigated. Combined with XRD, X-ray absorption near-edge structure results revealed that the embryo precursor was amorphous calcium phosphate which was subsequently converted to β-tricalcium phosphate, octacalcium phosphate, and finally to the more thermodynamically stable form of hydroxyapatite. The methodology reported herein may be extended to the studies of Ca-P and other minerals on various substrates.
- Subjects
CELLULOSE microbiology; CALCIUM phosphate; X-ray absorption; PHASE transitions; THERMODYNAMICS
- Publication
Cellulose, 2014, Vol 21, Issue 5, p3303
- ISSN
0969-0239
- Publication type
Article
- DOI
10.1007/s10570-014-0359-3