Reversible Ag+-crosslinked DNA hydrogels

  • Weiwei Guo
  • , Xiu Juan Qi
  • , Ron Orbach
  • , Chun Hua Lu
  • , Lina Freage
  • , Iris Mironi-Harpaz
  • , Dror Seliktar
  • , Huang Hao Yang
  • , Itamar Willner*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

140 Scopus citations

Abstract

DNA hydrogels, consisting of Y-shaped nucleic acid subunits or of nucleic acid-functionalized acrylamide chains, undergo switchable gel-to-solution transitions. The Ag+-stimulated formation of cytosine–Ag+–cytosine complexes results in the crosslinking of the units to yield the hydrogels, while the cysteamine-induced elimination of the Ag+ ions dissociates the hydrogels into a solution phase.

Original languageEnglish
Pages (from-to)4065-4068
Number of pages4
JournalChemical Communications
Volume50
Issue number31
DOIs
StatePublished - 20 Mar 2014

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