Elenas work has been published as hot paper in Angewandte. Her work introduces the first example of isoreticular titaniumorganic frameworks, MUV-10 and MUV-12, to show how the different affinity of hard Ti(IV) and soft Ca(II) metal sites can be used to direct selective grafting of amines for cooperative cycloaddition of CO2 to epoxides at room temperature and atmospheric pressure. Check the web for more info.