Results 11 to 20 of about 226,507 (332)

Improvement design of existing threshing machine at Kilang Sawit Risda, Ulu Keratong [PDF]

open access: yes, 2020
Palm oil is very important in the agricultural and economic sectors in Malaysia. It’s origin is in the tropical rain forest region of West Africa, which the main belt runs through the southern latitudes of Cameron, Cote D’ ivoire, Ghana, Liberia, Nigeria,
Chen, Chit Wee   +8 more
core   +2 more sources

Effect of pH and temperature on the morphology and phases of co-precipitated hydroxyapatite [PDF]

open access: yes, 2012
This paper reports a high-yield process to fabricate biomimetic hydroxyapatite nano-particles or nano-plates. Hydroxyapatite is obtained by simultaneous dripping of calcium chloride and ammonium hydrogen phosphate solutions into a reaction vessel ...
AG Evans   +24 more
core   +2 more sources

Properties of magnetron hydroxyapatite coatings deposited on oxidized substrates [PDF]

open access: yes, 2016
Hydroxyapatite (HA) coating were formed on oxidized niobium surfaces by the highfrequency magnetron sputtering method using hydroxyapatite and tricalcium phosphate targets.
Kostuchenko, A. V.   +4 more
core   +1 more source

Functionalisation of Ti6Al4V and hydroxyapatite surfaces with combined peptides based on KKLPDA and EEEEEEEE peptides [PDF]

open access: yes, 2017
Surface modifications are usually performed on titanium alloys to improve osteo-integration and surface bioactivity. Modifications such as alkaline and acid etching, or coating with bioactive materials such as hydroxyapatite, have previously been ...
Ben-Nissan, Besim   +4 more
core   +6 more sources

Biologically induced phosphorus precipitation in aerobic granular sludge process [PDF]

open access: yes, 2011
Aerobic granular sludge is a promising process for nutrient removal in wastewater treatment. In this work, for the first time, biologically induced precipitation of phosphorus as hydroxyl-apatite (Ca5(PO4)3(OH)) in the core of granules is demonstrated by
Biscans, Béatrice   +2 more
core   +3 more sources

CFD model of a spinning disk reactor for nanoparticle production [PDF]

open access: yes, 2015
The use of a spinning disk reactor (SDR) was investigated for the continuous production of nanoparticles of hydroxyapatite. SDR is an effective apparatus for the production of nanoparticles by wet chemical synthesis.
CHIANESE, Angelo   +3 more
core   +1 more source

In Vivo Assessment of the Apatite-Forming Ability of New-Generation Hydraulic Calcium Silicate Cements Using a Rat Subcutaneous Implantation Model

open access: yesJournal of Functional Biomaterials, 2023
Hydroxyapatite formation on endodontic hydraulic calcium silicate cements (HCSCs) plays a significant role in sealing the root canal system and elevating the hard-tissue inductivity of the materials.
Naoki Edanami   +7 more
doaj   +1 more source

Remineralization strategies in oral hygiene: a position paper of Italian Society of Oral Hygiene Sciences-S.I.S.I.O. working group [PDF]

open access: yes, 2017
Background/Objective: The clinical conditions that lead to an alteration of the enamel structure are numerous. The diet high in sugars and acidifying substances, psychological stress that triggers parafunctional behaviors, the reduced intake of fiber ...
Acito, Giovanna   +10 more
core   +1 more source

Synthesis and Characterization of Nano-Hydroxyapatite/mPEG-b-PCL Composite Coating on Nitinol Alloy [PDF]

open access: yesJournal of Ultrafine Grained and Nanostructured Materials, 2017
In this study the bioactivity of hydroxyapatite/poly(ε-caprolactone)–poly(ethylene glycol) bilayer coatings on Nitinol superelastic alloy was investigated.
Mohamadreza Etminanfar   +2 more
doaj   +1 more source

Facile Synthesis, Characterization, and Antimicrobial Activity of Cellulose-Chitosan-Hydroxyapatite Composite Material: A Potential Material for Bone Tissue Engineering [PDF]

open access: yes, 2013
Hydroxyapatite (HAp) is often used as a bone-implant material because it is biocompatible and osteoconductive. However, HAp possesses poor rheological properties and it is inactive against disease-causing microbes.
Harkins, April   +2 more
core   +2 more sources

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