Large scale production of yolk–shell β-tricalcium phosphate powders, and their bioactivities as novel bone substitutes

Literature Information

Publication Date 2014-06-27
DOI 10.1039/C4CP01808G
Impact Factor 3.676
Authors

Jung Sang Cho, Jong-Heun Lee, Yun Chan Kang


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Abstract

This paper proposes the production of yolk–shell structured β-tricalcium phosphate (β-TCP) powders using a spray-drying method, suitable for commercial scale production. Spray-dried precursor powders, consisting of calcium-phosphate salts and each of the various carbon source materials, are combusted in an oxygen atmosphere to obtain a yolk–shell structure. Only dextrin among the carbon source materials investigated shows promise in the production of β-TCP yolk–shell powders. By evaluating their apatite-forming capacity in simulated body fluid, the outstanding bioactivity of β-TCP yolk–shell powders is confirmed: numerous acicular and newly formed hydroxyl carbonate apatite crystals cover the entire β-TCP surface after a single day of soaking. These crystals are observed on both the outer and inner surfaces of the shells, and on the outer surface of the core, which is encouraging for its potential use as a bone grafting material.

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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