Results 21 to 30 of about 184,800 (296)

Preparation and characterization of hydroxyapatite powder for biomedical applications from giant African land snail shell using a hydrothermal technique

open access: yesEngineering and Applied Science Research, 2020
The need for hydroxyapatite synthesized from an inexpensive raw material is on the increase due to the expense of high purity calcium and demand of hydroxyapatite powder in dentistry, orthopaedics and trauma surgery.
Kolawole Maruf Yinka   +4 more
doaj   +1 more source

Hydroxyapatite From the Skull of Tuna (Thunnus obesus) Head Combined With Chitosan to Restore Locomotive Function After Spinal Cord Injury

open access: yesFrontiers in Nutrition, 2021
Hydroxyapatite is an important fish bone calcium in tuna head, which is widely used to repair of bone defect. Chitosan is a degradable basic polysaccharide with good biocompatibility and bone guiding, which can achieve targeted delivery to the injured ...
Chen-chen Ma   +4 more
doaj   +1 more source

Osteoconductivity and neurotoxicity of silver‐containing hydroxyapatite coating cage for spinal interbody fusion in rats

open access: yesJOR Spine, 2023
Background The use of spinal instrumentation is an established risk factor for postoperative infection. To address this problem, we prepared silver‐containing hydroxyapatite coating, consisting of highly osteoconductive hydroxyapatite interfused with ...
Takema Nakashima   +8 more
doaj   +1 more source

The effect of rice husk nanosilica hydroxyl compound on dentin biomineralization

open access: yesJournal of Advanced Pharmaceutical Technology & Research, 2021
Rice husk nanosilica contains hydroxyl for dentin remineralization. The aim of this study was to analyze and correlate the ability of rice husk nanosilica to induce hydroxyapatite dentin.
Iffi Aprillia   +5 more
doaj   +1 more source

A structural and functional model for human bone sialoprotein [PDF]

open access: yes, 2012
Human bone sialoprotein (BSP) is an essential component of the extracellular matrix of bone. It is thought to be the primary nucleator of hydroxyapatite crystallization, and is known to bind to hydroxyapatite, collagen, and cells.
Durrant, Marcus, Vincent, Kevin
core   +1 more source

The cellular uptake of antisense oligonucleotid of E6 mRNA into cervical cancer cells by DOPE-modified hydroxyapatite nanoparticles [PDF]

open access: yesNanomedicine Journal, 2014
Objective(s): Although several chemical and physical methods for gene delivery have been introduced, their cytotoxicity, non-specific immune responses and the lack of biodegradability remain the main issues.
Negin Saffarzadeh   +5 more
doaj  

Synthesis and physicochemical characterization of mesoporous hydroxyapatite and its application in toothpaste formulation

open access: yesHeliyon, 2023
The key characteristics of mesoporous hydroxyapatite, such as high porosity and expansive surface area, along with its biocompatibility with dental tissues and potential as a delivery vehicle for active ingredients, have recently garnered significant ...
Azarmidokht Nikfallah   +3 more
doaj   +1 more source

Characterization of dentine to assess bond strength of dental composites [PDF]

open access: yes, 2015
This study was performed to develop alternating dentine adhesion models that could help in the evaluation of a self-bonding dental composite. For this purpose dentine from human and ivory was characterized chemically and microscopically before and after ...
Aljabo, A   +6 more
core   +2 more sources

Nanohydroxyapatite Application to Osteoporosis Management

open access: yesJournal of Osteoporosis, 2013
Hydroxyapatite is chemically related to the inorganic component of bone matrix as a complex structure with the formula of Ca10(OH)2(PO4)6. Previous studies have reported the application of microsized hydroxyapatite to bone regeneration, but the result is
Zairin Noor
doaj   +1 more source

Mechanical properties of the hydroxyapatite and magnetic nanocomposite of hydroxyapatite adsorbents

open access: yesSouth African Journal of Chemical Engineering, 2020
In the current study, a special technique was used to prepare hydroxyapatite (HAp) and magnetic nano composite of hydroxyapatite (HAp/Fe3O4). In order to investigate the mechanical properties of the produced materials, Vickers hardness method and direct ...
Armin Vahdat   +2 more
doaj   +1 more source

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