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. 2016 Jul 26;17(1):361–374. doi: 10.1080/14686996.2016.1200948

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© 2016 The Author(s). Published by National Institute for Materials Science in partnership with Taylor & Francis.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — (a) Synthetic scheme of the 2-(2-hydroxyethoxy)ethyl (HEE) group-modified PRXs (HEE-PRXs). (b) ¹H NMR spectra of the unmodified PRX and the HEE-PRXs (0.9HEE-PRX, 2.4HEE-PRX, 3.2HEE-PRX, 4.1HEE-PRX, 5.4HEE-PRX, 6.4HEE-PRX, 7.6HEE-PRX, and 7.9HEE-PRX) in DMSO-d ₆. (c) Relationship between the feed [CDI]/[β-CD] molar ratio and the average number of HEE groups per single β-CD threaded on the HEE-PRXs. (d) Photograph of the unmodified PRX and the HEE-PRXs in water. Concentration of the unmodified PRX and the HEE-PRXs adjusted to 10 mg ml^–1.