Journal
CHEMISTRY OF MATERIALS
Volume 28, Issue 11, Pages 3984-3989Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.chemmater.6b01313
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Funding
- Department of Energy [DE-SC0007991]
- U.S. Army Research Office [W911NF-10-1-0518]
- Materials Research Science and Engineering Center (MRSEC) program of the National Science Foundation [DMR-1420073]
- MRI program of the National Science Foundation [DMR-0923251]
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This contribution presents a sol gel based cluster encapsulation methodology to produce bifunctional patchy particles. The particles possess azide moieties on the surfaces of the patch and carboxylic acids on the shell. Two types of DNA with distinct terminal sequences are site-specifically conjugated to the particle patches or the shell employing two orthogonal coupling strategies: strain promoted alkyne azide cycloaddition and carbodiimide-mediated amidation. We can activate and deactivate assembly on the patches and/or the shell through thermal control, demonstrating reversible and stepwise self-assembly.
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