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Dry Micromanipulation of Supramolecular Giant Vesicles on a Silicon Substrate: Highly Stable Hydrogen-Bond-Directed Nanosheet Membrane

Author:
Sakaino, Hirotoshi, Sawayama, Jun, Kabashima, Shin-ichiro, Yoshikawa, Isao, Araki, Koji
Source:
Journal of the American Chemical Society 2012 v.134 no.38 pp. 15684-15687
ISSN:
1520-5126
Subject:
air, guanosine, nanosheets, silicon
Abstract:
Guanosine derivative 1 forms hydrogen-bond-directed giant vesicles. On a silicon substrate, the vesicles retain their shape and internal water phase even after removal of external water under vacuum. Dry manipulation of the micrometer-sized vesicles was carried out via AFM-tip-induced partition and fusion of the vesicles. For larger vesicles (5–10 μm), external solutions were successfully injected through a microcapillary inserted into the vesicle in air.
Agid:
5386667