Expanding the Functional Scope of the Fmoc-Diphenylalanine Hydrogelator by Introducing a Rigidifying and Chemically Active Urea Backbone Modification. - Basavalingappa, Vasantha; Guterman, Tom; Yiming Tang; Nir, Sivan; Jiangtao Lei; Chakrabort, Priyadarshi; Schnaider, Lee; Reches, Meital; Guanghong Wei; Gazit, Ehud (Advanced Science, 2019)