Chemical Separation of 99Mo from 98Mo’ has been named TU Delft’s best invention of 2011. When the prize was awarded on Tuesday, 6 December 2011, researchers Prof. Bert Wolterbeek and Dr Peter Bode received € 20,000 to be used for further work in preparing their idea for the market. For his ‘Particulate Matter Reduction System’, Mr Bob Ursem won the DEMO award, also worth €20,000, to develop his idea further as a prototype.