http://www.azonano.com The Lastest Nanotechnology and Nanoscience News from AZoNano - The A to Z of Nanotechnology en Copyright 2001-2008, AZoM.com Pty Ltd Sigma-Aldrich can supply Barium Titanate Nanopowder with a particle size of less than 100nm and purity of greater then 99%. Properties and details about the Barium Titanate Nanopowder that Sigma-Aldrich can supply are provided within. http://www.azonano.com/details.asp?ArticleID=2539 Sigma-Aldrich can supply Hydroxyapatite Nanoparticle Dispersions that can be used for biomedical and biomaterial applications. Properties and details about the Hydroxyapatite Nanoparticle Dispersions that Sigma-Aldrich can supply are provided herein. http://www.azonano.com/details.asp?ArticleID=2538 Sigma-Aldrich can supply Silicon Nanopowder with a particle size of less than 100nm and purity of greater then 98%. Properties and details about the Silicon Nanopowder that Sigma-Aldrich can supply are provided within. http://www.azonano.com/details.asp?ArticleID=2537 Sigma-Aldrich can supply Gold Nanopowders that can be intercalated within polymer matrices to alter their adsorption beavior. Properties and details about the Gold Nanopowder that Sigma-Aldrich can supply are provided below. http://www.azonano.com/details.asp?ArticleID=2536 Sigma-Aldrich can supply Titanium(IV) Oxide - Anatase Nanopowder. Properties and details about the Titanium(IV) Oxide - Anatase Nanopowder that Sigma-Aldrich can supply are provided herein. http://www.azonano.com/details.asp?ArticleID=2535 Sigma-Aldrich can supply Silica Nanopowder. Properties and details about the Silica Nanopowder that Sigma-Aldrich can supply are provided herein. http://www.azonano.com/details.asp?ArticleID=2534 BBInternational’s gold nanoparticles have been selected by the National Institute of Standards and Technology (NIST) as the source for a series of certified reference materials for pre-clinical biomedical research. http://www.azonano.com/details.asp?ArticleID=2533 This article outlined how nanotechnology is being used for water purification. In particular it focuses on biofouling resistant silver-polysulfone composite membrane, http://www.azonano.com/details.asp?ArticleID=2532 Over the last 10 years, diamond as a technological material has seen a renewed and increasing level of interest with genuine potential. In particular nanodiamonds are being looked at for uses such as biolabels, magnetometry and quantum technologies. http://www.azonano.com/details.asp?ArticleID=2531 A torque motor is only one element in a complete rotary stage. This article describes the various parts of a toque motor and how they work, as well as their importance in the construction of a rotary table for precision positioning applications. http://www.azonano.com/details.asp?ArticleID=2530