Results 21 to 30 of about 70,475 (260)

Simulated Body Fluids Prepared with Natural Buffers and System for Active pH Regulation [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2022
The current study focuses on creating an initial highly alkaline simulated body fluid whose pH can be decreased to a physiological range by adding CO2 (protein-free simulated body fluid) or a combination of CO2 and human proteins (protein-containing ...
Bojan Gligorijević   +1 more
doaj   +1 more source

Development of a Self-assembly Technique for Drug-Delivering Hydroxyapatite Coatings for Ti-Based Implants [PDF]

open access: yes, 2010
PhD 2010 QMTo facilitate the long term osteointegration of Ti implants of various forms, methods aiming to facilitate hydroxyapatite deposition and enhance its adhesion to the Ti surfaces have to be developed.
Ajami, Elnaz
core   +4 more sources

Microstructure and Corrosion Resistance of Electrophoretic Deposited Carbonated Hydroxyapatite-Graphene Oxide Composite Coatings on AZ91 Magnesium Alloy

open access: yesInternational Journal of Electrochemical Science, 2021
Carbonated hydroxyapatite-graphene oxide (GO) composite coatings were obtained on AZ91 magnesium alloy using electrophoretic deposition from isopropanol suspensions.
Zishan Chen   +3 more
doaj   +1 more source

Effect of divalent metal cations on hydroxyapatite dissolution kinetics relevant to dental caries and erosion. [PDF]

open access: yes, 2012
PhDIn recent years there has been an increasing awareness of the influence of various trace elements on reducing the progression of dental caries and of erosion. However, there are few clinical and even fewer in-vitro studies of the cariostatic effect of
Lingawi, Hanadi Saud
core   +4 more sources

Double-Substituted Carbonated Hydroxyapatites for Fir Wood Treatment

open access: yesScientific Bulletin of Valahia University: Materials and Mechanics, 2022
The aim of the paper consist in the synthesis of double substituted carbonated hydroxyapatite using Zn2+ and Mg2+ ions in comparison with the previous obtained Sr-Zn-CHAp. Fourier transform infrared spectroscopy, X-ray diffraction, environmental scanning
Grigorescu Ramona Marina   +6 more
doaj   +1 more source

Does Melatonin Associated with Nanostructured Calcium Phosphate Improve Alveolar Bone Repair?

open access: yesMedicina, 2022
Background and objectives: Calcium phosphates have been widely used as bone substitutes, but their properties are limited to osteoconduction. The association of calcium phosphates with osteoinductive bioactive molecules has been used as a strategy in ...
Camila Diuana de Almeida   +9 more
doaj   +1 more source

Carbonate Hydroxyapatite and Silicon-Substituted Carbonate Hydroxyapatite: Synthesis, Mechanical Properties, and Solubility Evaluations [PDF]

open access: yesThe Scientific World Journal, 2014
The present study investigates the chemical composition, solubility, and physical and mechanical properties of carbonate hydroxyapatite (CO3Ap) and silicon-substituted carbonate hydroxyapatite (Si-CO3Ap) which have been prepared by a simple precipitation method. X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), X-ray fluorescence
L.T. Bang, Bui Duc Long, Radzali Othman
openaire   +4 more sources

PRECIPITATION OF HYBRID HYDROXYAPATITE / AUTOFIBRIN NANOCOMPOSITES

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2021
Hybrid composites based on hydroxyapatite and autofibrin were synthesized by precipitation in a medium with pH=9. Soft precipitation conditions and rapid isolation of the composite precipitates favored preservation of a biopolymer matrix of autofibrin ...
I.E. Glazov   +5 more
doaj   +1 more source

RAMAN SPECTROSCOPY ANALYSIS OF CORONARY DENTIN OF VITAL AND ENDODONTICALLY TREATED TEETH [PDF]

open access: yesJournal of IMAB, 2022
PURPOSE: The present study aimed to investigate the properties of coronary dentin of vital and endodontically treated human teeth using Raman Spectroscopy.
Ekaterina Karteva   +3 more
doaj   +1 more source

Surface modification of bioceramics: chemically enhanced laser surface microstructuring of hydroxyapatite [PDF]

open access: yes, 2008
PhDBioceramics have been developed for implants to repair damaged tissues of the human musculo-skeletal system. The clinical success of a bioceramic implant depends largely on the chemical response at the implant interface in addition to the ...
Norton, Judy A. M., Norton, Judy A M
core   +4 more sources

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