Reversible Chromatic Response of Polydiacetylene Derivative Vesicles in D2O Solvent

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The thermal chromatic sensitivity of polydiacetylenes (PDAs) with 10,12-pentacosadiynoic acid (PCDA) derivatives, which have a hydroxyl group (HEEPCDA) and an amine group (APPCDA), were investigated using, D2O and H2O as solvents. The vesicle solution with polymerized HEEPCDA exhibited a reversible chromatic response during the heating and cooling cycle in D2O, but not in H2O. On the other hand, the vesicle solution with the polymerized APPCDA exhibited a reversible chromatic response in H2O during the heating and cooling cycle, but the color of the solution did not change much in D2O. The critical vesicle concentration of HEEPCDA was lower in D2O than in H2O, and the chromatic sensitivity of the polymerized vesicles to temperature was slower in D2O than in H2O. We think that it is due to D2O being a more highly structured solvent than H2O with the hydrogen bonding in D2O stronger than that in H2O.
Publisher
AMER CHEMICAL SOC
Issue Date
2016-01
Language
English
Article Type
Article
Keywords

VOLATILE ORGANIC-COMPOUNDS; THERMOCHROMIC PROPERTIES; COLORIMETRIC DETECTION; TRANSITIONS; ASSEMBLIES; COLOR; FILM; PHOTOPOLYMERIZATION; SURFACTANTS; LIPOSOME

Citation

LANGMUIR, v.32, no.3, pp.882 - 888

ISSN
0743-7463
DOI
10.1021/acs.langmuir.5b03945
URI
http://hdl.handle.net/10203/212302
Appears in Collection
CBE-Journal Papers(저널논문)
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