Nanotechnology Now

Our NanoNews Digest Sponsors


Heifer International

Wikipedia Affiliate Button


DHgate

Home > Press > Iranian Scientists Improve Properties of Nano Hydroxyapatite Coatings in Implants

Abstract:
Iranian materials engineering experts studied the mechanism to increase the stability of hydroxyapatite nanoparticles' suspension by using triethanolamine (TEA) additive, its effect on the electrophoretic deposition process and the properties of the obtained coatings.

Iranian Scientists Improve Properties of Nano Hydroxyapatite Coatings in Implants

Tehran, Iran | Posted on December 30th, 2013

Results of the research can be used in the cost-effective production of nanostructured hydroxyapatite (HA) coatings on metallic implants. Among other applications of the research, mention can be made of the creation of colloid suspensions of HA nanoparticles with high stability in processes, including slurry casting or tape and pressure casting.

The research consisted of the following steps; HA nanopowder was firstly synthesized through wet chemistry method and the suspensions of the nanoparticles in isopropanol were prepared at various concentrations of TEA. Zeta potential of the particles were measured in the prepared suspensions and the in-situ kinetics of deposition formation in the suspensions were measured by using a scale with accuracy of 0.1 mg at 60 V. Wet density of the produced coatings were measured through Archimedes method. The microstructure of the coatings was investigated by using optic and electron microscopes. Finally, the resistance against corrosion in the produced coatings was calculated through electrochemical polarization method.

The use of nanoparticles in electrophoretic process creates more homogenous coatings that agglomerate at lower sintering temperature. The suspension made of nanoparticles has higher stability but lower rate of sedimentation in comparison with micrometric particles, which is a result of the lower weight of nanoparticles compared to that of microparticles.

Results of the research have been published in Ceramics International, vol. 39, February 2013, pp. 7007-7013.

####

For more information, please click here

Copyright © Fars News Agency

If you have a comment, please Contact us.

Issuers of news releases, not 7th Wave, Inc. or Nanotechnology Now, are solely responsible for the accuracy of the content.

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

News and information

Scientists illuminate a hidden regulator in gene transcription: New super-resolution technique visualizes important role of short-lived enzyme clusters May 27th, 2016

Doubling down on Schrödinger's cat May 27th, 2016

Finding a new formula for concrete: Researchers look to bones and shells as blueprints for stronger, more durable concrete May 26th, 2016

Deep Space Industries and SFL selected to provide satellites for HawkEye 360’s Pathfinder mission: The privately-funded space-based global wireless signal monitoring system will be developed by Deep Space Industries and UTIAS Space Flight Laboratory May 26th, 2016

Chemistry

Syracuse University chemists add color to chemical reactions: Chemists in the College of Arts and Sciences have come up with an innovative new way to visualize and monitor chemical reactions in real time May 19th, 2016

Technique improves the efficacy of fuel cells: Research demonstrates a new phase transition from metal to ionic conductor May 18th, 2016

Physicists measure van der Waals forces of individual atoms for the first time May 14th, 2016

Atomic force microscope reveals molecular ghosts: Mapping molecules with atomic precision expands toolbox for designing new catalytic reactions May 11th, 2016

Discoveries

Scientists illuminate a hidden regulator in gene transcription: New super-resolution technique visualizes important role of short-lived enzyme clusters May 27th, 2016

Doubling down on Schrödinger's cat May 27th, 2016

PETA science group publishes a review on pulmonary effects of nanomaterials: Archives of Toxicology publishes a review of scientific studies on fibrotic potential of nanomaterials May 26th, 2016

Harnessing solar and wind energy in one device could power the 'Internet of Things' May 26th, 2016

Announcements

Scientists illuminate a hidden regulator in gene transcription: New super-resolution technique visualizes important role of short-lived enzyme clusters May 27th, 2016

Doubling down on Schrödinger's cat May 27th, 2016

Finding a new formula for concrete: Researchers look to bones and shells as blueprints for stronger, more durable concrete May 26th, 2016

Deep Space Industries and SFL selected to provide satellites for HawkEye 360’s Pathfinder mission: The privately-funded space-based global wireless signal monitoring system will be developed by Deep Space Industries and UTIAS Space Flight Laboratory May 26th, 2016

Interviews/Book Reviews/Essays/Reports/Podcasts/Journals/White papers

Scientists illuminate a hidden regulator in gene transcription: New super-resolution technique visualizes important role of short-lived enzyme clusters May 27th, 2016

Doubling down on Schrödinger's cat May 27th, 2016

Thermal modification of wood and a complex study of its properties by magnetic resonance May 26th, 2016

Finding a new formula for concrete: Researchers look to bones and shells as blueprints for stronger, more durable concrete May 26th, 2016

NanoNews-Digest
The latest news from around the world, FREE




  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoTech-Transfer
University Technology Transfer & Patents
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More











ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project







Car Brands
Buy website traffic