Physico-chemical characterisation of the fraction of silver (nano)particles in pristine food additive E174 and in E174-containing confectionery, De Vos, Sandra, Waegeneers Nadia, Verleysen Eveline, Smeets Karen, and Mast Jan , Food Additives & Contaminants: Part A, sep 2020, Volume 37, Issue 11, (2020)