A Prototype Synthesis And Characterization Of Hydroxyapatite Bioceramics Nanocrystallites

Jagadale, P. N.; Jagtap, Pramod P.; Joshi, Meghnad; Bamane, S. R.

doi:10.5185/amlett.2016.5837

Cited by 12 publications

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“…EDAX result reveals that the samples contain Ca, P and O without any impurity (except from small traces of C for G2nHA sample due to the graphene presence). The Ca/P ratio calculation from the EDAX spectra gives a value of 1.66 and 1.73 for nHA and G2nHA samples which is matched with the stoichiometric value 1.67 (theoretical value) used in the ultrasonic process to create HA and the same was commonly reported [28]. The close agreement of the Ca/P not only indicates the successful preparation of nHA, but also confirms that the production of high-quality nHA powders.…”

Section: Energy Dispersive X-ray Spectroscopy (Edax) Analysissupporting

confidence: 81%

Sounchemical synthesis of Graphene/nano hydroxyapatite composites for potential biomedical application

Bakr

Anis

2021

Egypt. J. Chem.

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Graphene nanocrystalline hydroxyapatite composites (G/nHA) were prepared using a wet precipitation method with CaCl2 and Na2 HPO4 as the main material in the presence of ultrasonic irradiation. The calcium to phosphate ratio (Ca/P) was adjusted to be about 1.67 while the pH value kept at 9.5-10.5. The texture properties of the G/nHA composites were determined through series of characterization techniques. High-resolution Scanning Electron Microscopy (HR-SEM) and high-resolution Transmission electron microscope (HR-TEM) were employed to determine the particle size and structure morphology of composites. The Crystalline and molecular structure were checked using (XRD), Raman and (FTIR), while thermal decomposition behavior was reported by thermogravimetric analysis (TGA-DTA). Energy dispersive spectroscopy (EDAX) results revealed that the prepared nHA and G2nHA samples had a Ca/P ratio of 1.66 and 1.73 respectively which are nearly matching to previously reported value. FT-IR analysis identified functional groups and confirmed the results obtained from the X-ray diffraction data that the prepared powders were indeed composed of nanoscale hydroxyapatite. The results indicate that nHA successfully prepared through this method and the range of particles was found around nanoscale. The compression test indicates that even the addition of very small amount of Graphene sheets like structure into the crystalline matrix of nHA enhancing the mechanical properties of the prepared composites compared to the pure nHA.

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Section: Energy Dispersive X-ray Spectroscopy (Edax) Analysissupporting

confidence: 81%

Sounchemical synthesis of Graphene/nano hydroxyapatite composites for potential biomedical application

Bakr

Anis

2021

Egypt. J. Chem.

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“…Decomposition during 200–320°C can be mainly due to degradation of organic residual part. [ 6 ] This proofs that the TiO 2 nanostructures have good thermal stability [ 5,7 ] at 1000°C firing temperature only rutile phase was found. The scanning electron microscope (SEM) is taken for surface morphological study.…”

Section: Resultsmentioning

confidence: 83%

“…This indicates that 2wt% TNT‐HAp nanocomposite is an efficient sensor material and is due to its good surface area along with high active reaction sites that allow the detecting molecules to diffuse rapidly throughout the porous HAp surface and hollow nanotubes. [ 6,7 ] Table 2 shows the comparative results of the preexisting ammonia gas sensor with that of TNT‐HAp sensor studied here.…”

Section: Resultsmentioning

confidence: 99%

TiO₂ Nanotube Hydroxyapatite Nanocomposite as Methanol Sensor

Taha

Begum

Narwade

et al. 2021

Macromolecular Symposia

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In the present work, it has successfully demonstrated the utilization of TiO2 nanotube (TNT) and hydroxyapatite (HAp) nanocomposite films by screen printing techniques material for sensing methanol at lower temperature and lower concentrations. Preparation of modified material using HAp blended with TNT by mechanical mixing in different height percentages. The 2 wt% TNT‐HAp nanocomposite film exhibits pronounced sensing behavior for the detection of alcohol vapor even at 10 ppm. The operating temperature is observed to be 30°C for methanol, whereas for the same nanocomposite material fast response and recovery time are 100 and 30 s, respectively, as compared with pure HAp, TNT. These results concluded that nanocomposite of TNT and HAp is capable to sense alcohol vapors with their existence in ambient as low as 10 ppm concentration.

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“…Organic reactions of a HAP sample are powerfully depending on its chemical composition, energy dispersive spectroscopy (EDS), result uncovers that HAP specimen contains Ca, P and O. The best Ca/P ratio for synthesised specimen was observed to be 1.65, which is somewhat smaller than 1.67 theoretical worth and the similar was usually reported (Jagadale et al, 2016).…”

Section: 13sem and Edx Analysismentioning

confidence: 69%

Characterization of Hydrothermally Synthesised Hydroxyapatite Bioceramic

Canbay¹,

Mustafa²,

Özkul³

2018

Turkish Journal of Engineering

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In this study, hydroxyapatite (HAP) was synthesized by hydrothermal method. The structural analysis, thermal analysis and electrical characteristics of HAP sample have been investigated. The structural analysis was performed to determine the crystal structure and to observe the surface morphology of the sample. The thermal analysis was made from room temperature to 925 ˚C, to determine the mass loss according to temperature and phase transitions or decomposition in the sample and also TG-DTA analysis was done to determine the thermal stability. The compositional analysis was done by EDX. I-V analysis was made to calculate the electrical conductivity value of the sample and electrical conductivity of the sample was obtained to be1.2x10-10 S/cm.

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A Prototype Synthesis And Characterization Of Hydroxyapatite Bioceramics Nanocrystallites

Cited by 12 publications

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Sounchemical synthesis of Graphene/nano hydroxyapatite composites for potential biomedical application

Sounchemical synthesis of Graphene/nano hydroxyapatite composites for potential biomedical application

TiO₂ Nanotube Hydroxyapatite Nanocomposite as Methanol Sensor

Characterization of Hydrothermally Synthesised Hydroxyapatite Bioceramic

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A Prototype Synthesis And Characterization Of Hydroxyapatite Bioceramics Nanocrystallites

Cited by 12 publications

References 0 publications

Sounchemical synthesis of Graphene/nano hydroxyapatite composites for potential biomedical application

Sounchemical synthesis of Graphene/nano hydroxyapatite composites for potential biomedical application

TiO2 Nanotube Hydroxyapatite Nanocomposite as Methanol Sensor

Characterization of Hydrothermally Synthesised Hydroxyapatite Bioceramic

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TiO₂ Nanotube Hydroxyapatite Nanocomposite as Methanol Sensor