Figure 4: Homo- and heterotropic conjugations of photolatently modulable hydrogels.

(a–c) Homotropic conjugation of chopped hydrogel rods prepared with DMAAm/TiNSs/Laponite (8.0/3.0/3.0 wt%). A picture of the homotropic conjugation process with light (λ>260 nm) (a), pictures of a conjugated rod and its deformation in tensile testing (b), and strain–stress curve (c). (d–f) Heterotropic conjugation of a hydrogel rod with a PDMS rod. A picture of the heterotropic conjugation process with light (λ>260 nm) (d), pictures of a conjugated rod and its deformation in tensile testing (e), and strain–stress curve (f).