Effect of sintering temperatures on the in vitro bioactivity, molecular structure and mechanical properties of titanium/carbonated hydroxyapatite nanobiocomposites

Youness, Rasha A.; Taha, Mohammed A.; Ibrahim, Medhat

doi:10.1016/j.molstruc.2017.08.070

Cited by 74 publications

(38 citation statements)

References 40 publications

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“…Unfortunately, low toughness and weak bending strength are the main drawbacks of its uses in loadbearing sites applications [16]. To overcome these mechanical limitations, NHAps were synthesized by adding polymers [16].…”

Section: Introductionmentioning

confidence: 99%

Hydroxyapatite for bone related applications derived from sea shell waste by simpleprecipitation method

Kumar

Dhanaraj

Vimalathithan³

et al. 2020

Journal of Asian Ceramic Societies

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The nano-hydroxyapatite (NHAp), NHAp/PEG and NHAp/PVP have been derived from Clam shell by precipitation method. The presence of characteristic FTIR peaks and XRD planes indicates the formation of NHAp. Surface morphology of NHAp, NHAp/PEG and NHAp/PVP appeared to be flake, majorly hexagonal and rod clusters like structure, respectively. Sizes of the NHAp are in nanometer scale and size of NHAp/PVP is the lowest. The poor crystalline nature and high carbonate content presence in NHAp/PVP are assessed through crystallinity index, C/P ratio and CHNS analysis. EDX analysis shows the presence of HAp composition in NHAp. The calculated structural parameters expose that the NHAp/PVP shows favorable mechanical property. Good antibacterial activity is observed in NHAp/PVP against two bacteria strains. Hemolysis study also indicates that NHAp/PVP is non-hemolytic. Formation of complete apatite is found when NHAp/PVP immersed in SBF for 14 days. Thus, the NHAp/PVP derived from Clam shell may be useful for bone-related applications. ARTICLE HISTORY

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Section: Introductionmentioning

confidence: 99%

Hydroxyapatite for bone related applications derived from sea shell waste by simpleprecipitation method

Kumar

Dhanaraj

Vimalathithan³

et al. 2020

Journal of Asian Ceramic Societies

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“…The role of organic modifiers in the nucleation of HA nanoparticles explained by many researchers [17,18]. Recently, molecular modeling of carbonated-HA, titanium/carbonated HA nanobiocomposites, carbonated HA and Carbonated-Fluoroapatite have been prepared by researcher and explored their applications [19][20][21][22].…”

Section: Introductionmentioning

confidence: 99%

“…Caffeine is focal apprehensive stimulant [19]. Caffeine is in all likelihood the most generally ingested pharmacologically dynamic stuff on the planet [20]. Caffeine, also affecting intellectual execution, improves the affectability of sharpness and attentiveness [21] and at times incites nervousness [22,23].…”

Section: Introductionmentioning

confidence: 99%

Experimental studies on caffeine mediated synthesis of hydroxyapatite nanorods and their characterization

Subramanian¹,

Murugan²,

Chinnadurai³

et al. 2020

Mater. Res. Express

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Hydroxyapatite nanorods (HA) were fabricated using caffeine as a modifier at room temperature. Various concentrations of caffeine were utilized to synthesize the HA nanoparticles to analyze its effect on size, shape and morphology. The formation of phosphate ion was confirmed by Fourier Transform spectrophotometer (FTIR). Crystalline structure and phase of the nanoparticles was confirmed by x-ray diffraction study (XRD). The formation of HA nanorods with diversified morphology was confirmed by Transmission Electron Microscope (TEM) images. The results acquired in this study reveals that the HA nanoparticles synthesized using caffeine are uniform and evenly scattered nanorods. The average size of the nanorods obtained from the XRD study was in the range of 20-30 nm. The TEM and SAED investigation revealed the shape, morphology and arrangement of HA nanorods with higher crystallinity. This investigation claims that caffeine is a natural modifier to produce HA nanorods.

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“…Molecular modeling offers tools for investigating chemical structure in which experimental setup is limited and/or unavailable [54][55]. It's now an effective tool to elucidate the functionality of emerging and new materials based on their electronic properties [56][57][58][59][60]. The structural properties, the efficiency of absorption and reflection of the solar cell made of perovskites could be investigated with molecular modeling at density functional theory DFT level of theory [61][62][63].…”

Section: Carbon-based Htm-free Perovskite Solar Modulesmentioning

confidence: 99%

Prospects for the use of carbon-based perovskite solar cells

2019

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Effect of sintering temperatures on the in vitro bioactivity, molecular structure and mechanical properties of titanium/carbonated hydroxyapatite nanobiocomposites

Cited by 74 publications

References 40 publications

Hydroxyapatite for bone related applications derived from sea shell waste by simpleprecipitation method

Hydroxyapatite for bone related applications derived from sea shell waste by simpleprecipitation method

Experimental studies on caffeine mediated synthesis of hydroxyapatite nanorods and their characterization

Prospects for the use of carbon-based perovskite solar cells

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