Mechanical calculations for methyl transfer in solution (13 Nov 2008)
Ian Williams and colleagues at the University of Bath, UK, have demonstrated that kinetic isotope effects (KIEs) for a prototypical SN2 methyl transfer in solution, and in an enzyme active site, show significant variations in magnitude...
Delft University of Technology patent for manufacturing radio isotopes (15 Sep 2008) the isotope, technetium-99m, which is used to treat about forty million patients.... Additional isotope manufacturers would reduce the risk of shortages considerably... to this problem. He is developing a method for producing the sought-after isotope...
NSF-funded Rice study will trace path of nanomaterials (05 Sep 2008) Researchers want to know if particles can be transported through food chain , said fullerenes made with 14C, a mildly radioactive carbon isotope, were...
Unexpected carbon composition discovered in world's oldest diamonds (04 Jul 2008) Did life on earth begin earlier than we have hitherto believed? isotope C-13. Small amounts of this isotope are typical of carbon originating... by an extremely low amount of the heavy C-13 isotope. "The composition of the carbon...
Plants do not produce methane gas (02 May 2007) Dutch scientists disprove recent claim that living plants would produce a large part of the greenhouse gas methane. in an environment with 13C, a non-radioactive carbon isotope. Any methane emission could...
Thermo Electron Acquires Isotope Ratio Mass Spectrometry Provider GV Instruments Ltd (24 Jul 2006) , UK, a manufacturer of isotope ratio mass spectrometers (IRMS) for approximately.... The acquisition enables Thermo to offer additional solutions in high precision isotope ratio.... In particular, GV Instruments will add the capability of Noble Gas Isotope Mass...
Top
