{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,15]],"date-time":"2026-01-15T02:23:53Z","timestamp":1768443833753,"version":"3.49.0"},"reference-count":44,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2014,3,26]],"date-time":"2014-03-26T00:00:00Z","timestamp":1395792000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Chirality"],"published-print":{"date-parts":[[2014,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>(1<jats:italic>R<\/jats:italic>,2<jats:italic>S<\/jats:italic>)\u2010Dodecyl(2\u2010hydroxy\u20101\u2010methyl\u20102\u2010phenylethyl)dimethylammonium bromide (DMEB) aggregates dispersed in carbon tetrachloride have been investigated by Fourier transform infrared (FT\u2010IR), vibrational circular dichroism (VCD) and <jats:sup>1<\/jats:sup>H nuclear magnetic resonance (NMR) spectroscopy at various surfactant concentration and water\u2010to\u2010surfactant molar ratio. Experimental data indicate that, even at the lowest investigated concentration and in absence of added water, DMEB molecules associate in supramolecular assemblies. At higher DMEB concentration the aggregates can confine water molecules, making it plausible to think that DMEB form reverse micelles and that water molecules are quite uniformly distributed among them and mainly located in the proximity of surfactant head groups. Moreover, the water state in DMEB reverse micelles has been found to be different from that in pure water, due to system\u2010specific water\/surfactant head group interactions. <jats:sup>1<\/jats:sup>H NMR diffusion measurements of both water and DMEB emphasize their joined translational motion characterized by a diffusion rate one order of magnitude lower than that of free molecules. Finally, VCD allowed us to show some characteristics of the association of optically active DMEB molecules as reverse micelles and water confinement inside; namely, we monitored the vibrational optical activity of deuterated hydroxyl bonds of the self\u2010assembled DMEB molecules and their interaction with D<jats:sub>2<\/jats:sub>O molecules. <jats:italic>Chirality 26:532\u2013538, 2014.<\/jats:italic>\u00a9 2014 Wiley Periodicals, Inc.<\/jats:p>","DOI":"10.1002\/chir.22309","type":"journal-article","created":{"date-parts":[[2014,3,27]],"date-time":"2014-03-27T02:57:20Z","timestamp":1395889040000},"page":"532-538","source":"Crossref","is-referenced-by-count":14,"title":["Chiroptical Phenomena in Reverse Micelles: The Case of (1<i>R<\/i>,2<i>S<\/i>)\u2010Dodecyl (2\u2010hydroxy\u20101\u2010methyl\u20102\u2010phenylethyl)dimethylammonium Bromide (DMEB)"],"prefix":"10.1002","volume":"26","author":[{"given":"Sergio","family":"Abbate","sequence":"first","affiliation":[{"name":"Dipartimento di Medicina Molecolare e Traslazionale Universit\u00e0 di Brescia  Brescia Italy"},{"name":"Consorzio Interuniversitario Scienze Fisiche della Materia  Roma Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marco","family":"Passarello","sequence":"additional","affiliation":[{"name":"Dipartimento di Medicina Molecolare e Traslazionale Universit\u00e0 di Brescia  Brescia Italy"},{"name":"Department of Chemistry Materials and Chemical Engineering \u201cG. Natta,\u201d Politecnico di Milano  Milano Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"France","family":"Lebon","sequence":"additional","affiliation":[{"name":"Dipartimento di Medicina Molecolare e Traslazionale Universit\u00e0 di Brescia  Brescia Italy"},{"name":"Consorzio Interuniversitario Scienze Fisiche della Materia  Roma Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Giovanna","family":"Longhi","sequence":"additional","affiliation":[{"name":"Dipartimento di Medicina Molecolare e Traslazionale Universit\u00e0 di Brescia  Brescia Italy"},{"name":"Consorzio Interuniversitario Scienze Fisiche della Materia  Roma Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Angela","family":"Ruggirello","sequence":"additional","affiliation":[{"name":"Dipartimento di Chimica Universit\u00e0 degli Studi di Palermo  Palermo Italy"},{"name":"ISMN Istituto per lo Studio dei Materiali Nanostrutturati  Palermo Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vincenzo","family":"Turco Liveri","sequence":"additional","affiliation":[{"name":"Dipartimento di Chimica Universit\u00e0 degli Studi di Palermo  Palermo Italy"},{"name":"ISMN Istituto per lo Studio dei Materiali Nanostrutturati  Palermo Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fiorenza","family":"Viani","sequence":"additional","affiliation":[{"name":"Istituto di Chimica del Riconoscimento Molecolare \u2010 CNR  Milano Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Franca","family":"Castiglione","sequence":"additional","affiliation":[{"name":"Department of Chemistry Materials and Chemical Engineering \u201cG. Natta,\u201d Politecnico di Milano  Milano Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniele","family":"Mendola","sequence":"additional","affiliation":[{"name":"Department of Chemistry Materials and Chemical Engineering \u201cG. Natta,\u201d Politecnico di Milano  Milano Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrea","family":"Mele","sequence":"additional","affiliation":[{"name":"Department of Chemistry Materials and Chemical Engineering \u201cG. 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