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All figures (10)
Figure 2. Crystalline phases determined by X-ray diffraction of a) initial powder α –TCP, b) sample C 7 days after setting, and c) sample TMC 7 days after setting.
Figure 3. Mechanical properties under bending of unreinforced CPCs (C and TMC) and fiberreinforced CPCs (C-8f, TMC-4f, TMC-8f, TMC-12f): a) Typical load/deflection curves, b) Young’s modulus (E), c) bending strength, and d) work of fracture (WOF). Groups indicated with same symbol do not have statistically significant differences (p > 0.05).
Figure 7. SEM images showing the morphology of cells cultured on C and TMC samples for 7 days.
Figure 6. Live/dead images showing the alive cells (green) and the dead cells (red) on the C and TMC samples surface at different time points (bar = 100 μm)
Figure 5. a) Number of cells adhered on the samples surface at different time points, and b) evolution with time of the pH of the cell culture medium (1 ml) in contact with a cement disc (15 mm diameter x 1.5 mm thickness).
Table 3. Crystalline phases as determined by X-ray diffraction, and specific surface area measured by N2 adsorption of the initial powder and set cements.
Figure 4. Microstructure taken by FE-SEM of the fracture surface of unreinforced cements and of FRCPCs set for 7 days: C (a), TMC (b), C-8f (c, e, g) and TMC-8f (d, f, h).
Figure 1. pH of α-TCP powder slurries (200 g/ml) in MilliQ water or in 1 w/v% TMC solution measured continuously at 37°C.
Table 1. Nomenclature used for the samples according to the liquid phase used and the presence of reinforcing fibers.
Table 2. Setting time and compressive strength of CPCs using as liquid phase pure water (C) or 1% w/v TMC in water (TMC). Different letters indicate statistically significant differences (p < 0.05) between C and TMC for each group (initial setting time, final setting time and compressive strength).
Journal Article
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DOI
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A novel strategy to enhance interfacial adhesion in fiber-reinforced calcium phosphate cement
[...]
Sara Gallinetti
1
,
Gemma Mestres
2
,
Cristina Canal
1
,
Cecilia Persson
2
,
Maria-Pau Ginebra
1
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+1 more
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Institutions (2)
Polytechnic University of Catalonia
1
,
Uppsala University
2
01 Nov 2017
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Journal of The Mechanical Behavior of Biomedical Materials