Key result
Simulated parallel cross-linked polymers maximize unfolding resistance over random chains via all-or-none unfolding.
Population
Cross-linked polymer chains and protein domains (e.g., immunoglobulin-like domains in muscle protein titin)
Comparison
Tensile loading simulations vs Randomly cross-linked chains
Design
Preclinical
Authors
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Parallel-strand topologies may optimize polymer toughness; hypothesis-generating for titin-inspired biomaterials pending experimental validation.
Simulations reveal that parallel strands in cross-linked polymers and proteins maximize mechanical strength and resistance to unfolding.
Eom et al. (2003) studied this question. Simulated cross-linked polymer chains with parallel strands vs. Randomly cross-linked chains was evaluated on Resistance to unfolding (unfolding work and force). Simulated cross-linked polymer chains with parallel strands maximized unfolding work and force, unfolding in an all-or-none fashion compared to the sequential unfolding of randomly cross-linked chains.
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