Slinn Pickings: nanoparticles

  • NIST technique controls sizes of nanoparticle clusters for EHS studies – NIST researchers have demonstrated for the first time a method for producing nanoparticle clusters in a variety of controlled sizes that are stable over time. The technique can be used in studies on the environmental, health and safety impacts of nanoparticle clusters.
  • Roasting coffee beans a dark brown produces valued antioxidants – Food scientists at the University of British Columbia have been able to pinpoint more of the complex chemistry behind coffee’s much touted antioxidant benefits, tracing valuable compounds to the roasting process.
  • First evidence for a spherical magnesium-32 nucleus – A new discovery, and the questions it raises, could help explain in greater detail how elements are synthesized in the explosion of stars. Although theory predicted a spherical arrangement in the nucleus of magnesium-32, experiments had only revealed a configuration shaped like an American football. Now, through experiments at CERN, a team led by TU Muenchen physicists has confirmed the existence of a spherical magnesium-32 nucleus, formed at a much lower than predicted energy level.
  • US to regulate rocket fuel chemical in water – The US government said it plans to limit the amount of perchlorate, a chemical found in rocket fuel, explosives and bleach, that is present in the drinking water of millions of Americans.
  • Human genome’s breaking points: Genetic sequence of large-scale differences between human genomes – A detailed analysis of data from 185 human genomes sequenced in the course of the 1000 Genomes Project by scientists at the European Molecular Biology Laboratory (EMBL) in Heidelberg, Germany, in collaboration with researchers at the Wellcome Trust Sanger Institute in Cambridge, UK, and the University of Washington and Harvard Medical School, has identified the genetic sequence of an unprecedented 28 000 structural variants (SVs) — large portions of the human genome which differ from one person to another.

Robert Slinn refluxes the chemistry news and extracts a goodly yield for Reactive Reports in his regular column: Slinn Pickings.