Adsorption of tetrakis(4-sulfophenyl)porphyrin onto liposomal surfaces composed of neutral diacylphosphatidylcholine and release by cyclodextrin
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Anionic tetrakis(4-sulfophenyl)porphyrin (TPPS) interacts with liposomal surfaces composed of neutral diacylphosphatidylcholine at high lipid concentrations. TPPS interacted with liposomal surfaces through four contact points. The association constant was obtained to be 9.0 × 10^5 M^-4. TPPS was peeled off the liposomal surfaces by the addition of cyclodextrin.
Electronic supplementary information (ESI) available: Experimental procedures and UV-vis absorption and 1H NMR spectra. See DOI: 10.1039/c8ra01411f
This work was supported by a JSPS KAKENHI Grant-in-Aid for Scientific Research (B) (Grant No. JP16H04133) and a Grant-in-Aid for Challenging Exploratory Research (Grant No. JP16K13982).
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Royal Society of Chemistry
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Graduate School of Engineering