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Theory and simulation of DNA-coated colloids: a guide for rational design.

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Angioletti-Uberti, Stefano 
Mognetti, Bortolo M 


By exploiting the exquisite selectivity of DNA hybridization, DNA-coated colloids (DNACCs) can be made to self-assemble in a wide variety of structures. The beauty of this system stems largely from its exceptional versatility and from the fact that a proper choice of the grafted DNA sequences yields fine control over the colloidal interactions. Theory and simulations have an important role to play in the optimal design of self assembling DNACCs. At present, the powerful model-based design tools are not widely used, because the theoretical literature is fragmented and the connection between different theories is often not evident. In this Perspective, we aim to discuss the similarities and differences between the different models that have been described in the literature, their underlying assumptions, their strengths and their weaknesses. Using the tools described in the present Review, it should be possible to move towards a more rational design of novel self-assembling structures of DNACCs and, more generally, of systems where ligand-receptor are used to control interactions.



Colloids, DNA, Models, Theoretical, Particle Size, Thermodynamics

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Phys Chem Chem Phys

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Royal Society of Chemistry (RSC)
Engineering and Physical Sciences Research Council (EP/I001352/1)
European Research Council (227758)