By Porter Wright on California’s Department of Toxic Substances Control (CDTSC) held a conference today during which they identified the next six nanoscale materials they intend to target in their second round of data call ins. Regular readers may remember that CDTSC targeted 26 manufacturers/importers of carbon nanotubes with its first data call in in 2009. In addition to … Continue Reading
By Porter Wright on Readers may be interested in the recent resolution of a quantum dot patent infringement lawsuit between Nanosys and Nanoco/Sigma-Aldrich. In April 2009, Nanosys sued Nanoco and Sigma-Aldrich in Wisconsin federal court for allegedly infringing three quantum dot patents owned by MIT which were exclusively licensed to Nanosys. Nanoco purportedly marketed and sold competing luminous quantum dot nanocrystals under … Continue Reading
By Porter Wright on A recent in vivo study published in NanoLetters focuses on the impact of ultraviolet radiation on the ability of Quantum Dots (QD) to penetrate skin. L. Mortensen, et al., "In Vivo Skin Penetration of Quantum Dot Nanoparticles in the Murine Model: The Effect of UVR," NanoLetters, Vol. 8, No. 9, pp. 2779-2787 (August 2008). The … Continue Reading
By Porter Wright on The first phase of EPA’s voluntary Nanoscale Materials Stewardship Program (NMSP) closes on Monday. For those keeping track, the most up-to-date NMSP participation statistics as of July 24, 2008 follow. It is shaping up to be a very respectable list of participants. Submissions Under Basic Program: (9 submissions – covering 68 nanoscale materials) DuPont; Nanophase Technologies Corporation; … Continue Reading