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. 2013 Apr 23;2:11. doi: 10.1186/2194-0517-2-11

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© Sailakshmi et al.; licensee Springer. 2013

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Multiple hydrogen bonding interactions. (a) Multiple hydrogen bonding interaction between chitosan and sebacic acid. Images of SACCH are displayed in two different orientations. The first orientation demonstrates the interaction, and the second illustrates the details on hydrogen bonding. (b) Multiple hydrogen bonding interaction between collagen and sebacic acid. The black dotted line indicates the hydrogen bond. Various colors denote the different atoms to be recognized: white color is for hydrogen atom (H), red color indicates oxygen atom (O), gray is for carbon atom (C), and blue corresponds to nitrogen atom (N).