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2004•Chemistry LettersRequires access

Change in Conformation of J-aggregate 5,10,15,20-tetrakis(4-sulfonatophenyl)porphyrin (H2TPPS) by Addition of Nonionic Surfactant (Triton X-100)

Nattakarn Wangfuengkanagul, Masaaki Tabata

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Abstract

Abstract Drastic conformational change of J-aggregate of 5,10,15, 20-tetrakis(4-sulfonatophenyl)porphyrin (H2TPPS) was observed by addition of nonionic surfactant (Triton X-100) in acidic medium. The CD spectra of the aggregate (H4TPPS)n changed to opposite signed CD spectra in the presence of Triton X-100. The interaction of (H2TPPS)n with Triton X-100 was studied by the measurements of UV–vis and fluorescence spectra as well as CD spectra at different concentrations of Triton X-100.

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Abstract Drastic conformational change of J-aggregate of 5,10,15, 20-tetrakis(4-sulfonatophenyl)porphyrin (H2TPPS) was observed by addition of nonionic surfactant (Triton X-100) in acidic medium. The CD spectra of the aggregate (H4TPPS)n changed to opposite signed CD spectra in the presence of Triton X-100. The interaction of (H2TPPS)n with Triton X-100 was studied by the measurements of UV–vis and fluorescence spectra as well as CD spectra at different concentrations of Triton X-100.

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Available abstract

Abstract Drastic conformational change of J-aggregate of 5,10,15, 20-tetrakis(4-sulfonatophenyl)porphyrin (H2TPPS) was observed by addition of nonionic surfactant (Triton X-100) in acidic medium. The CD spectra of the aggregate (H4TPPS)n changed to opposite signed CD spectra in the presence of Triton X-100. The interaction of (H2TPPS)n with Triton X-100 was studied by the measurements of UV–vis and fluorescence spectra as well as CD spectra at different concentrations of Triton X-100.

Key concepts: Triton X-100, Chemistry, Porphyrin, Pulmonary surfactant, Nonionic surfactant, Spectral line, Fluorescence, Crystallography

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Change in Conformation of J-aggregate 5,10,15,20-tetrakis(4-sulfonatophenyl)porphyrin (H2TPPS) by Addition of Nonionic Surfactant (Triton X-100) — Research Paper | ScholarLens