Open AccessFundamental Modes of Swimming Correspond to Fundamental Modes of Shape: Engineering I‐, U‐, and S‐Shaped Swimmers
Author(s) -
Sharan Priyanka,
Maslen Charlie,
Altunkeyik Berk,
Rehor Ivan,
Simmchen Juliane,
Montenegro-Johnson Thomas D.
Publication year - 2021
Publication title -
advanced intelligent systems
Language(s) - English
Resource type - Journals
ISSN - 2640-4567
DOI - 10.1002/aisy.202100068
Subject(s) - microscale chemistry , self healing hydrogels , bubble , buckling , materials science , work (physics) , mechanics , nanotechnology , physics , classical mechanics , composite material , mathematics , mathematics education , polymer chemistry , thermodynamics
Hydrogels have received increased attention due to their biocompatible material properties, adjustable porosity, ease of functionalization, tuneable shape, and Young's moduli. Initial work has recognized the potential that conferring out‐of‐equilibrium properties to these on the microscale holds and envisions a broad range of biomedical applications. Herein, a simple strategy to integrate multiple swimming modes into catalase‐propelled hydrogel bodies, produced via stop‐flow lithography (SFL), is presented and the different dynamics that result from bubble expulsion are studied. It is found that for “Saturn” filaments, with active poles and an inert midpiece, the fundamental swimming modes correspond to the first three fundamental shape modes that can be obtained by buckling elastic filaments, namely, I, U, and S‐shapes.