Adaptable DNA interactions regulate surface triggered self assembly

Autor: Lanfranco, Roberta, Jana, Pritam Kumar, Bruylants, Gilles, Cicuta, Pietro, Mognetti, Bortolo Matteo, Di Michele, Lorenzo
Rok vydání: 2020
Předmět:
Druh dokumentu: Working Paper
Popis: DNA-mediated multivalent interactions between colloidal particles have been extensively applied for their ability to program bulk phase behaviour and dynamic processes. Exploiting the competition between different types of DNA-DNA bonds, here we experimentally demonstrate the selective triggering of colloidal self-assembly in the presence of a functionalised surface, which induces changes in particle-particle interactions. Besides its relevance to the manufacturing of layered materials with controlled thickness, the intrinsic signal-amplification features of the proposed interaction scheme make it valuable for biosensing applications.
Databáze: arXiv