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Title: Sequential self-assembly of DNA functionalized droplets

Journal Article · · Nature Communications
 [1];  [2];  [2];  [2];  [3];  [3];  [2];  [2]
  1. Univ. Pierre et Marie Curie, Paris (France). Inst. of Nanosciences Paris; New York Univ. (NYU), NY (United States). Center for Soft Matter Research
  2. New York Univ. (NYU), NY (United States). Center for Soft Matter Research
  3. New York Univ. (NYU), NY (United States). Chemistry Dept.

Complex structures and devices, both natural and manmade, are often constructed sequentially. From crystallization to embryogenesis, a nucleus or seed is formed and built upon. Sequential assembly allows for initiation, signaling, and logical programming, which are necessary for making enclosed, hierarchical structures. Though biology relies on such schemes, they have not been available in materials science. We demonstrate programmed sequential self-assembly of DNA functionalized emulsions. The droplets are initially inert because the grafted DNA strands are pre-hybridized in pairs. Active strands on initiator droplets then displace one of the paired strands and thus release its complement, which in turn activates the next droplet in the sequence, akin to living polymerization. This strategy provides time and logic control during the self-assembly process, and offers a new perspective on the synthesis of materials.

Research Organization:
New York Univ. (NYU), NY (United States); Energy Frontier Research Centers (EFRC) (United States). Center for Bio-Inspired Energy Science (CBES)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0007991
OSTI ID:
1374562
Journal Information:
Nature Communications, Vol. 8, Issue 1; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 49 works
Citation information provided by
Web of Science

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Cited By (17)

Effective charges and zeta potentials of oil in water microemulsions in the presence of Hofmeister salts journal June 2018
Programmable interactions with biomimetic DNA linkers at fluid membranes and interfaces text January 2019
Cold-swappable DNA gels journal January 2019
Programming hierarchical self-assembly of colloids: matching stability and accessibility journal January 2018
Achieving Selective Targeting Using Engineered Nanomaterials book January 2019
Programmable interactions with biomimetic DNA linkers at fluid membranes and interfaces journal October 2019
Building Reconfigurable Devices Using Complex Liquid–Fluid Interfaces journal February 2019
Programmable Functionalization of Surfactant‐Stabilized Microfluidic Droplets via DNA‐Tags journal April 2019
Synthesis of Colloidal Molecules: Recent Advances and Perspectives journal August 2019
Osmosis, from molecular insights to large-scale applications journal January 2019
Colloid supported lipid bilayers for self-assembly journal January 2019
Multivalent “attacker and guard” strategy for targeting surfaces with low receptor density journal May 2019
Active Self‐Assembly of Train‐Shaped DNA Nanostructures via Catalytic Hairpin Assembly Reactions journal April 2019
Multivalent "Attacker & Guard" Strategy for Targeting Surfaces with Low Receptor Density text January 2018
Surface-triggered cascade reactions between DNA linkers direct self-assembly of colloidal crystals of controllable thickness text January 2018
Surface-triggered cascade reactions between DNA linkers direct the self-assembly of colloidal crystals of controllable thickness journal January 2019
Using DNA strand displacement to control interactions in DNA-grafted colloids journal January 2018

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