Characterization of Thin Calcium Phosphate Coating

Feddes, B.; González, P.; Serra, J.; Pou, J.; Chiussi, S.; Wolke, Joop G.C.; Jäger, Christian

doi:10.1007/978-0-387-77718-4_3

Cited by 6 publications

(2 citation statements)

References 73 publications

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“…Finally, EDS analyses were carried out with an Oxford Inca Energy 300 SEM instrument integrated in the previously mentioned SEM microscope. More information about these techniques can be consulted in Feddes et al 26…”

Section: Methodsmentioning

confidence: 99%

Effects of acid hydrolysis on microstructure of cured urea‐formaldehyde resins using atomic force microscopy

Park

Jeong

2011

J of Applied Polymer Sci

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This study investigated the effect of acid hydrolysis on the microstructure of cured urea-formaldehyde (UF) resins using atomic force microscopy (AFM) to better understand its hydrolytic degradation process which has been known to be responsible for the formaldehyde emission of wood-based composite panels. The AFM was scanned on both outer surface and facture surfaces of the thin films of cured UF resins that had been exposed to the etching of dilute hydrochloric acid to simulate their hydrolysis process. The AFM images showed two distinctive parts, which were classified as the hard and soft phases in cured UF resins. For the first time, this study reports the presence of thin filament-like crystalline structures on the fracture surface of cured UF resin. The soft phase of cured UF resins by ammonium chloride was much more easily hydrolyzed than those cured by ammonium sulfate, indicating that hardener types had a great impact on the hydrolytic degradation behavior of cured UF resins. The surface roughness measurement results also supported this result. The results of this study suggested that the soft phase was much more susceptible to the hydrolysis of cured UF resin than the hard phase.

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Section: Methodsmentioning

confidence: 99%

Effects of acid hydrolysis on microstructure of cured urea‐formaldehyde resins using atomic force microscopy

Park

Jeong

2011

J of Applied Polymer Sci

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“…Orthopedic implants made of metallic alloys are subject to corrosion, which reduces the mechanical properties of the implant and can cause future surgeries to replace the implant [3]. Metallic alloys can also release ions that interact with ions in the bloodstream which can have toxic effects [10].…”

Section: Chapter I Introductionmentioning

confidence: 99%

Microwave synthesis of functionally graded tricalcium phosphate for osteoconduction

Thomas

Qiu

et al. 2016

Materials Today Communications

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Novel selenium‐doped hydroxyapatite coatings for biomedical applications

Rodríguez-Valencia

López‐Álvarez

Cochón-Cores

et al. 2012

J Biomedical Materials Res

107

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Nowadays there is a short-term need of investigating in orthopedic implants with a greater functionality, including an improved osseointegration and also antibacterial properties. The coating of metallic implants with hydroxyapatite (HA) remains to be the main proposal, but superior quality HA coatings with compositions closer to natural bone apatites, including carbonates, trace elements are required. Selenium is an essential nutrient in biological tissues and, at the same time, it also presents antibacterial properties. A pioneering study on the fabrication of selenium-doped carbonated hydroxyapatite (iHA:Se) coatings by Pulsed Laser Deposition (PLD) is presented. Different proportions of selenium were incorporated to obtain the iHA:Se coatings. Their physicochemical characterization, performed by SEM/EDS, FTIR, FT-Raman, Interferometric Profilometry and XPS, revealed typical columnar growth of HA in globular aggregates and the efficient incorporation of selenium into the HA coatings by the, most probably, substitution of SeO(3)(2-) groups in the CO(3)(2-) sites. Biological evaluation illustrated the absence of cytotoxicity when an amount of 0.6 at.% of Se was added to the iHA:Se coatings and excellent proliferation of the MC3T3-E1 preosteoblasts. Antibacterial properties were also proved with the inhibition of P. aeruginosa and S. aureus from establishing bacterial biofilms.

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Characterization of Thin Calcium Phosphate Coating

Cited by 6 publications

References 73 publications

Effects of acid hydrolysis on microstructure of cured urea‐formaldehyde resins using atomic force microscopy

Effects of acid hydrolysis on microstructure of cured urea‐formaldehyde resins using atomic force microscopy

Microwave synthesis of functionally graded tricalcium phosphate for osteoconduction

Novel selenium‐doped hydroxyapatite coatings for biomedical applications

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