title: Creation of intestine-like interior space for metal-oxide nanostructures with a quasi-reverse emulsion.
authors.affiliation: Department of Chemical and Biomolecular Engineering, Faculty of Engineering, National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260, Singapore.
authors.forename: Hua Gui
authors.initials: HG
authors.lastname: Yang
authors.forename: Hua Chun
authors.initials: HC
authors.lastname: Zeng