Results 1 to 10 of about 226,507 (332)

Functional characteristics of hydroxyapatite sintered at high temperatures

open access: yesVìsnik Harkìvsʹkogo nacìonalʹnogo unìversitetu ìmenì V.N. Karazìna. Serìâ: fìzika., 2023
The functional characteristics of hydroxyapatite, which has carbonate impurities inside the hydroxyapatite crystal lattice after sintering in the temperature interval from room temperature  to 1400°C have been studied.
К.I. Сокол, Р.В. Вовк
doaj   +1 more source

Influence of the Components and Orientation of Hydroxyapatite Fibrous Substrates on Osteoblast Behavior

open access: yesJournal of Functional Biomaterials, 2022
Synthetic hydroxyapatite has good biocompatibility, bioactivity and osteoconductive ability because its chemical properties and biological properties are similar to those of bioapatite in bone tissue.
Shiao-Wen Tsai   +5 more
doaj   +1 more source

Jelly Candy Hydroxyapatite from Mackerel Fish Bone

open access: yesJurnal Farmasi dan Ilmu Kefarmasian Indonesia, 2022
Background: Calcium is a mineral that is needed by bones and teeth. Calcium needs have not been achieved evenly among children, about 1000mg/day. Hydroxyapatite contains Ca and apatite which is good for the maintenance of bones and teeth.
Lia Anggresani   +3 more
doaj   +1 more source

Hydroxyapatite Synthesis and Covering of Titanium Surfaces by Dip-Coating Method

open access: yesBrazilian Archives of Biology and Technology, 2021
This study developed and characterized a method for controlled deposition of thin films of hydroxyapatite on titanium surfaces. Thirty-three titanium cylinders were randomly divided: negative control/polished (A), acid etched (B) and coated by ...
Luiz Alexandre Chisini   +7 more
doaj   +1 more source

Biomimetic Action of Zinc Hydroxyapatite on Remineralization of Enamel and Dentin: A Review

open access: yesBiomimetics, 2023
Biomimetic zinc–carbonate hydroxyapatite technology was developed to realize materials that mimic the natural hydroxyapatite of enamel and dentin and possess good activity in terms of affinity to adhere to these biological tissues.
Andrea Butera   +8 more
doaj   +1 more source

Evaluating Hydroxyapatite, Gold Nanoparticles, and Graphene-Copper as Bimodal Agents for X-ray and Computed Tomography

open access: yesBioengineering, 2023
A global need exists for new and more effective contrast agents for computed tomography and traditional X-ray modalities. Among the few options available nowadays, limitations imposed by industrial production, performance, and efficacy restrict the use ...
Bruno Pugliese Pereira   +8 more
doaj   +1 more source

Preparing of Nano-Hydroxyapatite from Seashell and Mixed with Gold to Repair Bony Defect of Mandibular Bone in Rabbits

open access: yesIraqi Journal of Industrial Research, 2023
The objectives of the present study were undertaken to prepared hydroxyapatite powder from seashell and convert this to nano size and then added to gold nanoparticles.
Ghada A. Taqa   +2 more
doaj   +1 more source

In vitro controlled drug delivery of cationic substituted hydroxyapatite nanoparticles; enhanced anti-chelating and antibacterial response

open access: yesKuwait Journal of Science, 2023
Hydroxyapatite is naturally found in bones and it is used to deliver antibacterial agents such as chlorhexidine and gentamicin to bones. This study covered the development of hydroxyapatite and nickel (Nix ​= ​0.3,0.5) substituted hydroxyapatite ...
Muhammad S. Asghar   +7 more
doaj   +1 more source

Structural Comparison of Hydroxyapatite from Clam Shell Waste and Eggshell Waste Compared to Commercial Synthetic Hydroxyapatite [PDF]

open access: yesMalaysian Orthopaedic Journal
Introduction: This study compares the quality of hydroxyapatite in Anadara granosa waste and laying chicken eggshell waste to commercial synthetic hydroxyapatite.
Idulhaq M   +4 more
doaj   +1 more source

Biocompatibility and osteoconductivity of scaffold porous composite collagen–hydroxyapatite based coral for bone regeneration

open access: yesOpen Chemistry, 2020
The synthesis of collagen–hydroxyapatite composites has been carried out, and the biocompatibility and osteoconductivity properties have been tested. This research was conducted to determine the ability of hydroxyapatite–collagen composites to support ...
Siswanto Siswanto   +5 more
doaj   +1 more source

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