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Assembly of Amphiphilic Baskets into Stimuli-Responsive Vesicles. Developing a Strategy for the Detection of Organophosphorus Chemical Nerve Agents

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2013
Authors
Chen, Shigui
Ruan, Yian
Brown, Jason D.
Gallucci, Judith
Maslak, Veselin
Hadad, Christopher M.
Bađić, Jovica D.
Article (Published version)
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Abstract
We designed basket 1 to comprise a C-3-symmetric hydrophobic cage (477 angstrom(3)) at its southern edge and three polar ammonium caps at the northern edge. This amphiphilic molecule was observed to assemble into large unilamellar vesicles (350 nm, TEM) in water and thereby entrap dimethyl phenylphosphonate (184 angstrom(3)) in its cavity (K-app = (1.97 +/- 0.02) X 10(3) M-1). The entrapment of the organophosphonate, akin to soman in size (186 angstrom(3)), triggers the transformation of the vesicular material into nanoparticles (100 nm,of type 1 in their bilayer membrane, are unique assemblies and important for obtaining novel sensing devices.
Source:
Journal of the American Chemical Society, 2013, 135, 40, 14964-14967
Publisher:
  • Amer Chemical Soc, Washington
Projects:
  • Department of Defense, Defense Threat Reduction Agency [HDTRA1-11-1-0042]
Note:
  • Supplementary material: http://cherry.chem.bg.ac.rs/handle/123456789/3469

DOI: 10.1021/ja408585j

ISSN: 0002-7863

PubMed: 24063351

WoS: 000326356400018

Scopus: 2-s2.0-84885577274
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URI
http://cherry.chem.bg.ac.rs/handle/123456789/1427
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Hemijski fakultet

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