AIST Succeeds in Encapsulating and Stabilizing Beta-Carotene in Carbon Nanotubes.Tokyo, Japan, Feb 10, 2006 - (JCN JCN Japan Corporate News JCN Journal of Cognitive Neuroscience JCN Journal of Cardiovascular Nursing JCN Journal of Christian Nursing JCN Job Control Number JCN Journal of Child Neurology JCN joint communications network (US DoD) ) - The National Institute of Advanced Industrial Science and Technology The National Institute of Advanced Industrial Science and Technology (産業技術総合研究所 (AIST AIST Advanced Industrial Science and Technology (Japan) AIST National Institute of Advanced Industrial Science and Technology (Japan) AIST Association for Iron & Steel Technology ) announced on February 8 that its Nanotechnology Research Institute has succeeded in encapsulating and stabilizing beta-carotene in carbon nanotubes. AIST has encapsulated beta-carotene in HiPco single-walled carbon nanotubes (SWCNTs), a type of carbon nanotube currently marketed by Carbon Nanotechnologies Inc. Beta-carotene is a photofucntional molecule which is easily deteriorated by light. AIST has confirmed that the stability of beta-carotene is greatly improved when encapsulated in carbon naotubes. Specifically, it has elucidated that encapsulation and stabilization mostly effectively works at around 70 degrees centigrade centigrade /cen·ti·grade/ (sen´ti-grad) having 100 gradations (steps or degrees); see under scale. cen·ti·grade adj. Celsius. . A kind of pi-conjugated molecule, beta-carotene is considered a successful candidate for next-generation optical device materials. In particular, it is expected to be applied to nonlinear optical devices Nonlinear optical devices Devices that use the fact that the polarization in any real medium is a nonlinear function of the optical field strength to implement various useful functions. . Going forward, AIST will proceed with research to verify the optical functionality, safety and durability of carbon nanotubes encapsulating beta-carotene with a view to developing fading-resistant inks. Copyright [c] 2006 Japan Corporate News Network. All rights reserved. |
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