Biomimetic Pieris rapae’s Nanostructure and Its Use as a Simple Sucrose Sensor
AbstractBiomimetics often provides efficient ways to create a product incorporating novel properties. Here we present the replication of the Pieris rapae butterfly optical structure. This butterfly has white wings with black spots. The white coloration is produced by light scattering on pterin beads ranging from 100 to 500 nm whereas black spots correspond to areas without pterin beads, thus revealing a highly pigmented layer underneath. In order to mimic the butterfly wing structure, we deposited SU-8 beads produced by electrospraying on a black absorbing layer made of black SU-8. We thereby replicated the optical effect observed on Pieris rapae. Additional experiments showed that the white coloration replication is a structural color. Finally, we further demonstrate that these optical engineered surfaces can be used for sucrose sensing in the range of 1 g/L to 250 g/L.
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Bonzon, D.; Martinez-Duarte, R.; Renaud, P.; Madou, M. Biomimetic Pieris rapae’s Nanostructure and Its Use as a Simple Sucrose Sensor. Micromachines 2014, 5, 216-227.
Bonzon D, Martinez-Duarte R, Renaud P, Madou M. Biomimetic Pieris rapae’s Nanostructure and Its Use as a Simple Sucrose Sensor. Micromachines. 2014; 5(2):216-227.Chicago/Turabian Style
Bonzon, David; Martinez-Duarte, Rodrigo; Renaud, Philippe; Madou, Marc. 2014. "Biomimetic Pieris rapae’s Nanostructure and Its Use as a Simple Sucrose Sensor." Micromachines 5, no. 2: 216-227.