title: Peroxyoxalate chemiluminescence enhanced by oligophenylenevinylene fluorophores in the presence of various surfactants.
abstract: The effect of several surfactants on peroxyoxalate chemiluminescence (PO-CL) using oligophenylenevinylene fluorophores was investigated. Among several oligophenylenevinylenes consisting of stilbene units, linearly conjugated ones, such as distyrylbenzene and distyrylstilbene, effectively enhanced PO-CL efficiency. Various effects of anionic, cationic, amphoteric and non-ionic surfactants on the CL efficiency of PO-CL were determined using three oxalates and the distyrylbenzene fluorophore. Anionic and non-ionic surfactants effectively enhanced CL efficiency, in contrast to the negative effect of cationic and amphoteric surfactants. Non-ionic surfactants were also effective in CL reactions of oxalates bearing dodecyl ester groups by the hydrophobic interaction between their alkyl chains. Considering these results, the surfactants not only increase the concentrations of water-insoluble interacting species in the hydrophobic micelle cores, but also control rapid degradation of the oxalates by alkaline hydrolysis.
authors.affiliation: Course of Applied Chemistry, Division of Chemistry and Materials, Faculty of Textile Science and Technology, Shinshu University, Ueda, Nagano, 386-8567, Japan.
authors.forename: Jiro
authors.initials: J
authors.lastname: Motoyoshiya
authors.forename: Setsuko
authors.initials: S
authors.lastname: Takigawa
mesh_terms: D049449:Luminescence; D015394:Molecular Structure; D010070:Oxalates / Q000737:chemistry*; D011145:Polyvinyls / Q000737:chemistry*; D013501:Surface-Active Agents / Q000737:chemistry*
chemical_list: D010070:Oxalates; D011145:Polyvinyls; D013501:Surface-Active Agents; C530822:oligo(p-phenylene vinylene); C044622:peroxyoxalate
keywords: distyrylbenzene; oligophenylenevinylene; peroxyoxalate chemiluminescence; surfactant