Preparation of ultrasmall cyclodextrin nanogels by an inverse emulsion method using a cationic surfactant

Satomi Takeuchi; Andrea Cesari; Suzuka Soma; Yota Suzuki; Maria Antonietta Casulli; Kai Sato; Fabrizio Mancin; Takeshi Hashimoto; Takashi Hayashita

doi:10.1039/D3CC00523B

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Preparation of ultrasmall cyclodextrin nanogels by an inverse emulsion method using a cationic surfactant†

Satomi Takeuchi,^a Andrea Cesari,

^b Suzuka Soma,^a Yota Suzuki,

^a Maria Antonietta Casulli,

^a Kai Sato,

^a Fabrizio Mancin,

^b Takeshi Hashimoto

^a and Takashi Hayashita

*^a

Author affiliations

* Corresponding authors

^a Department of Materials and Life Sciences, Faculty of Science and Technology, Sophia University, 7-1, Kioi-cho, Chiyoda-ku, Tokyo 102-8554, Japan
E-mail: ta-hayas@sophia.ac.jp

^b Department of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy

Abstract

Stable water-in-oil emulsion membranes can be prepared using [dilauryl(dimethyl)ammonium] bromide (DDAB), a cationic surfactant. We prepared ultrasmall cyclodextrin (γ-CyD) nanogels (γ-CyDngs) by forming ionic pairs between the secondary hydroxyl groups of γ-CyDs and DDAB. Fluorescence and NMR characterisation of the obtained γ-CyDngs revealed superior inclusion affinities compared with native γ-CyDs, beneficial for the solubilisation of hydrophobic compounds in water.

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Article information

DOI: https://doi.org/10.1039/D3CC00523B
Article type: Communication
Submitted: 04 Feb 2023
Accepted: 10 Mar 2023
First published: 20 Mar 2023
This article is Open Access

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Chem. Commun., 2023,59, 4071-4074

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Preparation of ultrasmall cyclodextrin nanogels by an inverse emulsion method using a cationic surfactant

S. Takeuchi, A. Cesari, S. Soma, Y. Suzuki, M. A. Casulli, K. Sato, F. Mancin, T. Hashimoto and T. Hayashita, Chem. Commun., 2023, 59, 4071 DOI: 10.1039/D3CC00523B

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Chemical Communications

Preparation of ultrasmall cyclodextrin nanogels by an inverse emulsion method using a cationic surfactant†

Abstract

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Preparation of ultrasmall cyclodextrin nanogels by an inverse emulsion method using a cationic surfactant

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