NDLI: Fission of giant vesicles accompanied by hydrophobic chain growth through polymerization-induced self-assembly

Content Provider	Springer Nature Link
Author	Yoshida, Eri
Copyright Year	2014
Abstract	In order to clarify the formation mechanisms of micrometer-sized spherical vesicles through the polymerization-induced self-assembly of amphiphilic poly(methacrylic acid)-block-poly(methyl methacrylate-random-methacrylic acid), PMAA-b-P(MMA-r-MAA), the nitroxide-mediated photocontrolled/living radical polymerization initiated by a PMAA end-capped with 4-methoxy-2,2,6,6-tetramethylpiperidine-1-oxyl was performed in an aqueous methanol solution. The polymerization proceeded in a living manner during the self-assembly. The vesicles produced during the early stage of the polymerization were not completely spherical and had dents and very small holes on their surface. As the hydrophobic P(MMA-r-MAA) block chains grew by the polymerization, the contorted vesicles were changed into half-sized elliptical vesicles accompanied by enlargement of the dents and holes. The vesicles were finally transformed into much smaller spherical vesicles by further growth of the hydrophobic chains. The mechanisms of the vesicles by fission involved the outside separation by the expansion of the dents and holes on the surface and the inside separation by budding.
Starting Page	1463
Ending Page	1468
Page Count	6
File Format	PDF
ISSN	0303402X
Journal	Colloid and Polymer Science
Volume Number	292
Issue Number	6
e-ISSN	14351536
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-04-16
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Giant vesicles Fission Growth of hydrophobic chains Poly(methacrylic acid)-block-poly(methyl methacrylate-random-methacrylic acid) Polymerization-induced self-assembly Nitroxide-mediated photocontrolled/living radical polymerization Critical packing shape Separation mechanisms Polymer Sciences Soft and Granular Matter, Complex Fluids and Microfluidics Characterization and Evaluation of Materials Physical Chemistry Food Science Nanotechnology and Microengineering
Content Type	Text
Resource Type	Article
Subject	Colloid and Surface Chemistry Materials Chemistry Physical and Theoretical Chemistry Polymers and Plastics

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