authors |
Torres, PMC; Marote, A; Cerqueira, AR; Calado, AJ; Abrantes, JCC; Olhero, S; Silva, OABDE; Vieira, SI; Ferreira, JMF |
nationality |
International |
journal |
JOURNAL OF MATERIALS CHEMISTRY B |
keywords |
BETA-TRICALCIUM PHOSPHATE; TO-POWDER RATIO; MECHANICAL-PROPERTIES; IN-VITRO; STRENGTH IMPROVEMENT; HYPODERMIC INJECTION; CALCIUM PHOSPHATES; IONIC MODIFICATION; STRONTIUM; SUBSTITUTION |
abstract |
Good mechanical properties and high injectability are the major requirements to ensure widespread application of calcium phosphate cements (CPCs) as bone substitutes in minimally invasive surgeries. However, obtaining CPCs that exhibit a good compromise between these two properties as well as good biological performance is still a great challenge. This study presents novel solutions to improve these properties, which include (i) co-doping beta-tricalcium phosphate (beta-TCP) powder with Sr and Mn, and (ii) adding small amounts of saccharides (sucrose or fructose) to the setting-liquid solution. The combination of these two strategies enabled full injectability and significantly increased the wet compressive strength of CPCs in comparison to undoped or solely Sr-doped CPCs. Furthermore, the proliferative response of human MG63 osteoblastic cells, their rate of collagen-I secretion, and particularly their growth behaviour on the cement surfaces were also enhanced. The overall improved relevant properties of Mn/Sr co-doped CPCs with added sucrose, including in vitro biological performance, renders them very promising materials for bone regeneration and tissue engineering. |
publisher |
ROYAL SOC CHEMISTRY |
issn |
2050-750X |
isbn |
2050-7518 |
year published |
2017 |
volume |
5 |
issue |
15 |
beginning page |
2775 |
ending page |
2787 |
digital object identifier (doi) |
10.1039/c6tb03119f |
web of science category |
Materials Science, Biomaterials |
subject category |
Materials Science |
unique article identifier |
WOS:000398949000009
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ciceco authors
impact metrics
journal analysis (jcr 2019):
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journal impact factor |
5.344 |
5 year journal impact factor |
5.022 |
category normalized journal impact factor percentile |
77.632 |
dimensions (citation analysis):
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altmetrics (social interaction):
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