1. Opinion on ‘the scientific aspects of the existing and proposed definitions relating to products of nanoscience and nanotechnologies;European Commission, Scientific Committee on Emerging and Newly Identified Health Risks (SCENIHR),2007
2. Opinion on ‘the appropriateness of existing methodologies to assess the potential risks associated with engineered and adventitious products of nanotechnologies’;European Commission, Scientific Committee on Emerging and Newly Identified Health Risks (SCENIHR),2006