Characterization of β-tricalcium phosphate powders synthesized by sol–gel and mechanosynthesis

Ruiz-Aguilar, C.; Olivares-Pinto, Ulises; Aguilar-Reyes, Ena Athenea; López-Juárez, Rigoberto; Alfonso, I.

doi:10.1016/j.bsecv.2018.04.004

Cited by 45 publications

(31 citation statements)

References 25 publications

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“…As the sintering temperature increases at 1200°C, the shape of the particles becomes more irregular which could be due to the presence of β‐TCP. Previous study also reported that the shape of the β‐TCP particles is irregular compared to HA particles 16 . It is also seen that the particle size increases as the sintering temperature is increased.…”

Section: Resultsmentioning

confidence: 58%

“…Previous study also reported that the shape of the β-TCP particles is irregular compared to HA particles. 16 It is also seen that the particle size increases as the sintering temperature is increased. As the sintering temperature is increased, the constituents tend to diffuse to occupy the pores and vacant channels in between the particles, in addition to compensate for the surface energy differences between the convex and concave surfaces.…”

Section: Design Of Experimentsmentioning

confidence: 94%

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Comparative analysis and antibacterial properties of thermally sintered apatites with varied processing conditions

et al. 2020

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Biological waste holds a major portion of the municipal waste stream, particularly in rural areas of developing countries. According to the Food and Agriculture Organization of the United Nations (FAO), every year there are 1.3 billion tons of food waste produced and around one-third of all food produced for human consumption are being wasted. 1 Amongst the other sources, the livestock industry (fish and poultry industry) has a vital contribution. Some biological

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Section: Resultsmentioning

confidence: 58%

Section: Design Of Experimentsmentioning

confidence: 94%

Comparative analysis and antibacterial properties of thermally sintered apatites with varied processing conditions

et al. 2020

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“…In particular, the decrease that is maintained stable until the end of the test ( p > .05) corresponds to the weight percentage increase detected during the pectin infiltration in the PU/VAC porous structure. The XRD diffraction pattern of PU/VAC showed the typical peaks of β‐TCP (1010, 214, 0210, 220, and 2020; Figure 1g; Ruiz‐Aguilar et al, 2018).…”

Section: Resultsmentioning

confidence: 94%

Assessment of the in vivo biofunctionality of a biomimetic hybrid scaffold for osteochondral tissue regeneration

Tschon

Brogini

Parrilli

et al. 2020

Biotech & Bioengineering

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Chondral and osteochondral lesions represent one of the most challenging problems in the orthopedic field, as these types of injuries lead to disability and worsened quality of life for patients and have an economic impact on the healthcare system. The aim of this in vivo study was to develop a new tissue engineering approach through a hybrid scaffold for osteochondral tissue regeneration made of porous polyurethane foam (PU) coated under vacuum with calcium phosphates (PU/VAC). Scaffold characterization showed a highly porous and interconnected structure. Human amniotic mesenchymal stromal cells (hAMSCs) were loaded into scaffolds using pectin (PECT) as a carrier. Osteochondral defects in medial femoral condyles of rabbits were created and randomly allocated in one of the following groups: plain scaffold (PU/VAC), scaffold with hAMSCs injected in the implant site (PU/VAC/ hAMSC), scaffold with hAMSCs loaded in pectin (PU/VAC/PECT/hAMSC), and no treated defects (untreated). The therapeutic efficacy was assessed by macroscopic, histological, histomorphometric, microtomographic, and ultrastructural analyses at 3, 6, 12, and 24 weeks. Histological results showed that the scaffold was permissive to tissue growth and penetration, an immature osteocartilaginous tissue was observed at early experimental times, with a more accentuated bone regeneration in comparison with the cartilage layer in the absence of any inflammatory reaction.

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“…Milling in a planetary miller for different periods of time was done (Figure A) to find that the narrowest distribution took place at a 1.5 hours milling time (~12 μm). Some authors have described that this reduction in particle size by milling could influence the crystallinity degree on TCP . Thus, the XRD analysis was studied for different milling times (Figure B), but no significant differences were found in the diffraction peaks, which revealed possible amorphization in powders.…”

Section: Discussionmentioning

confidence: 99%

“…Some authors have described that this reduction in particle size by milling could influence the crystallinity degree on TCP. 35 Thus, the XRD analysis was studied for different milling times ( Figure 2B), but no significant differences were found in the diffraction peaks, which revealed possible amorphization in powders. A morphological analysis by SEM of the different particle sizes was also run.…”

Section: F I G U R Ementioning

confidence: 98%

Eutectoid scaffold as a potential tissue engineer guide

2019

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Biphasic scaffolds were prepared according to the eutectoid composition from subsystem silicocarnotite‐tricalcium phosphate by the polymeric replica method. Two polyurethane templates were used to explore the possibility of fabricating the scaffold on demand. The obtained scaffolds were characterized mineralogically by X‐Ray Diffraction (XRD), the chemical groups analyzed by Attenuated Total Reflectance‐Fourier Transformed Infrared Spectroscopy (ATR‐FTIR), microstructurally by Scanning Electron Microscopy (SEM) fitted with Energy Dispersive X‐Ray Spectroscopy (EDS), and additionally by field emission SEM (FESEM) for the topography study. Finally, the mercury porosimetry analysis was performed for the microporosity study. The obtained results confirmed the possibility of controlling macro‐ and microporosity on the scaffold, which allowed their synthesis for specific needs.

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Characterization of β-tricalcium phosphate powders synthesized by sol–gel and mechanosynthesis

Cited by 45 publications

References 25 publications

Comparative analysis and antibacterial properties of thermally sintered apatites with varied processing conditions

Comparative analysis and antibacterial properties of thermally sintered apatites with varied processing conditions

Assessment of the in vivo biofunctionality of a biomimetic hybrid scaffold for osteochondral tissue regeneration

Eutectoid scaffold as a potential tissue engineer guide

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