ITEM METADATA RECORD
Title: Laser-controlled assembling of repulsive unimolecular micelles in aqueous solution
Authors: Hotta, Junichi ×
Sasaki, K
Masuhara, H
Morishima, Y #
Issue Date: Jan-1998
Publisher: Amer chemical soc
Series Title: Journal of Physical Chemistry B vol:102 issue:40 pages:7687-7690
Abstract: Laser manipulation techniques were applied to the control of molecular assembling in D2O. An amphiphilic random copolymer, which has hydrophilic and hydrophobic segments in a single chain and forms a monopolymer micelle through self-organization, is demonstrated to receive photon pressure of a focused near-infrared laser beam. Upon prolonged irradiation with the beam, a single microparticle is formed at a focal point, and it dissolves very quickly after switching off the laser beam. The behavior indicates that electrostatic repulsion between micelles is overcome by photon pressure. The assembling processes were examined as a function of irradiation time and polymer concentration and are discussed.
URI: 
ISSN: 1089-5647
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
× corresponding author
# (joint) last author

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