Crowded Solutions of Single-Chain Nanoparticles with Reversible Bonds: Do Fractal Globular Conformations Survive?
To broaden the functionalities and areas of applicability of Single-Chain Nano-Particles (SNCPs), the implementation of reversible bonds via noncovalent and dynamically covalent interactions is currently being explored. The single-chain character of such SCNPs in solution is lost when the concentration is high enough, leading to formation of aggregates and eventually a percolating network. The combination of potential self-healing properties associated to the reversibility of the network with the intrinsic functionality of SCNPs paves the way to the design of smart materials by using SCNPs as building blocks. Our aim here is to characterize the intramolecular conformations of SCNPs with reversible bonds in solution, exploring a broad range of concentrations from far below the overlap concentration to the concentrated regime and melt, and to establish differences with the behaviour found for crowded solutions of irreversible SCNPs with no intermolecular bonds. Preliminary simulations by some of us indeed point to important differences.
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Arantxa Arbe; ASENJO SANZ Maria Isabel; Nisha Pawar; COLMENERO Juan; MORENO Angel; POMPOSO Jose A.; PORCAR Lionel and RUIZ Ainara. (2023). Crowded Solutions of Single-Chain Nanoparticles with Reversible Bonds: Do Fractal Globular Conformations Survive?. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-11-2137
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