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File:Oil and water is the right mix for better chem-bio detection 141016-A-AB123-001.jpg

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English: Assembly of peptoid nanosheets at the oil/water interface: An amphiphilic peptoid polymer, exactly 28 monomers long, of defined sequence assembles into highly ordered two-dimensional nanosheets. Each peptoid chain contains an alternating sequence of polar ionic groups and non-polar aromatic groups. As the solution concentration of peptoid increases, the chains get closer and closer to each other at the oil-water interface and begin to chemically interact with one another to form an ordered monolayer. These chain-chain interactions were directly observed using vibrational sum frequency spectroscopy which revealed that the chains become more ordered the closer they get to one another. Lateral compression of the peptoid monolayer at the oil-water interface brings the monolayer’s two hydrophobic faces in contact with one another to form a highly stable bilayer structure. The polar ionic groups are colored red and blue, and the hydrophobic groups are colored yellow. Atomic force microscopy of nanosheets formed this way, reveals that the nanosheet bilayers are tens of microns in lateral dimension, are uniform in thickness, and have sharp edges.
Date Taken on 16 October 2014
Source https://www.dvidshub.net/image/1616662
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FORT BELVOIR, VA, US
VIRIN
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This image was released by the United States Army with the ID 141016-A-AB123-001 (next).
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16 October 2014, 10:46

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current14:48, 31 March 2015Thumbnail for version as of 14:48, 31 March 2015468 × 411 (76 KB)Fæ (talk | contribs)== {{int:filedesc}} == {{milim | description = {{en|1=Assembly of peptoid nanosheets at the oil/water interface: An amphiphilic peptoid polymer, exactly 28 monomers long, of defined sequence assembles into highly ordered two-dimensional nanosheets. Eac...

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