Correlative experimental and theoretical characterization of transition metal doped hydroxyapatite nanoparticles fabricated by hydrothermal method

Impacts of pre-treatment methods on the morphology, crystal structure, and defects formation of hydroxyapatite extracted from Nile tilapia scales

“…14 Based on numerous experimental studies, the band gap of HAp, a dielectric material, has been found to range from 3.8 to 4.5 eV, 15 which is slightly lower than the estimated values of >5 eV derived from computational calculations. 16 These discrepancies in the estimated band gap are attributed to different structural defects in HAp. 15,17 For example, during the manufacture and treatment of HAp samples, heating at specic temperatures can lead to the removal of OH − groups, resulting in the formation of dehydrated HAp, which alters the band gap.…”

“…15,17 For example, during the manufacture and treatment of HAp samples, heating at specic temperatures can lead to the removal of OH − groups, resulting in the formation of dehydrated HAp, which alters the band gap. 17 Transition metal doping is another approach to reduce the band gaps of wide-gap semiconductors to as low as 2-3 eV, 16,18 which can result in optical absorbance in the visible region and alter the electrical properties. 19 Doping has become a feasible option to manage these crucial variables for bio applications, such as creating biocompatible multifunctional pigments for the cosmetics industry.…”

Morphological Changes, Antibacterial Activity, and Cytotoxicity Characterization of Hydrothermally Synthesized Metal Ions-Incorporated Nanoapatites for Biomedical Application

“…Therefore, it is often used as a bone graft substitute in biomedical clinics [ 7 ]. Different forms of apatite with different sizes and shapes (e.g., flakes, spheres, needles, and rods) have been fabricated using wet and dry synthesis strategies [ 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 ]. HA can be synthesized by a precipitation method [ 8 , 9 ], sol-gel method [ 10 , 11 ], hydrothermal method [ 8 , 9 , 10 ] and microwave-assisted synthesis method [ 15 , 16 ], or it can be directly extracted from biological resources [ 17 , 18 , 19 ].…”

Controlled compositions of tellurium/vanadium co-doped into hydroxyapatite/ε-polycaprolactone for wound healing applications

“…[1][2][3] HAP has the ability to be combined with collagen, forming a composite that is extraordinarily stable. [4][5][6] One of the most enticing attribute of HAP is its similarity to rough tissues, such as teeth and bones. 7,8 These distinguished properties, along with biodegradability, biocompatibility, bioactivity, osteoconductivity, non-toxicity, chemically, and thermal stability are the most attractive properties of HAP.…”