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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 10
BKCSDE 34(10)
October 20, 2013

Title	Characteristics of PEGylated Polydiacetylene Liposome and its Inclusion Complex Formation with α-Cyclodextrin
Author	Hye Choi, Joon Sig Choi*
Keywords	Polydiacetylene, Liposome, Self-inclusion complex, α-Cyclodextrin, Poly(ethylene glycol)
Abstract	Diacetylene lipid monomers possess the capability to self-assemble into vesicles via polymerization under ultraviolet irradiation, resulting in the formation of polydiacetylene (PDA) liposomes. Exposure of the polymerized vesicles to external stimuli is known to induce a unique blue-to-red color transition. The cyclic oligosaccharide α-cyclodextrin known for its use in many applications, such as drug delivery, purification, and stimulus sensing, is able to form an inclusion complex with poly(ethylene glycol) (PEG) in aqueous solution. In this study, we prepared polymeric liposomes with PEG (PEG-PDA) with the aim of improving the stability of the vesicles and colorimetric response toward α-cyclodextrin. We demonstrated that PEG-PDA liposome displays unique characteristics compared with native PDA liposome and it also shows apparent chromic properties of the inclusion complex formation with α-cyclodextrin.
Page	3083 - 3087
Full Text	PDF

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