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Updated: May 18, 2026

Directed Assembly of Elastin-like Proteins into defined Supramolecular Structures and Cargo Encapsulation In Vitro
Published on: April 8, 2020
Delayed buckling and guided folding of inhomogeneous capsules
Sujit S Datta1, Shin-Hyun Kim, Jayson Paulose
1Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA.
Abstract:
Colloidal capsules can sustain an external osmotic pressure; however, for a sufficiently large pressure, they will ultimately buckle. This process can be strongly influenced by structural inhomogeneities in the capsule shells. We explore how the time delay before the onset of buckling decreases as the shells are made more inhomogeneous; this behavior can be quantitatively understood by coupling shell theory with Darcy's law. In addition, we show that the shell inhomogeneity can dramatically change the folding pathway taken by a capsule after it buckles.
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