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147.254  Articles
1 of 14.726 pages  |  10  records  |  more records»
The development of hydroxyapatite graft with high economically value is needed for orthopedic practice in developing countries. Eggsell waste is well known as natural substance for calcium resource. It has been used as raw material in producing ... see more

Objective: The aim of this study was to evaluate the physical, chemical and biological properties of a bovine xenograft for bone repair.Methods: Physicochemical analysis was performed using X-ray diffraction, Fourier transform infrared spectroscopy and sc... see more

The present work features some simple methods of preparing pure hydroxyapatite nanoparticles (nano-HAp), a useful biomaterial, via various wet chemical methods and using biogenic sources such as eggshells and animal bone. The nano-HAp hence prepared was s... see more

Studies have reported that the incorporation of graphene oxide (GO) and hydroxyapatite (HA) into biocompatible polymers (such as collagen (Col), chitosan, alginate, etc) results in enhanced structural and mechanical properties respectively. The objective ... see more

The silicon-substituted hydroxyapatite (Si-HA) with three different Si-substitution levels were synthesized via aaqueous precipitation method, in the absence of any surfactants and organic solvents. The composition of the Si-substituted HA phases and effe... see more

 The goal of this study was to evaluate the in vitro cellular toxicity and biological behavior of new bone graft composites after subcutaneous implantation during remodeling and wound-healing processes. We developed composites based on hydroxyapatite... see more

 The goal of this study was to evaluate the in vitro cellular toxicity and biological behavior of new bone graft composites after subcutaneous implantation during remodeling and wound-healing processes. We developed composites based on hydroxyapatite... see more

The Neuquén Basin in northwestern Patagonia, Argentina, holds the most important record of Cretaceous dinosaurs in South America.The Neuquén Group (Upper Cretaceous) is the richest dinosaur-bearing unit of the basin. It comprises the Río Limay, the Río Ne... see more

In recent decades, we observed the displacement of bone grafts with new, diverse implantation materials, in particular on the basis of synthetic calcium phosphates. However, pure hydroxyapatites and tricalcium phosphates do not have osteoinduction propert... see more

1 of 14.726 pages  |  10  records  |  more records»