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Synthesis of novel gelatin/poly(acrylic acid) nanorods via the self-assembly of nanospheres

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Abstract

In this work, gelatin-poly(acrylic acid) (GEL-PAA) nanospheres with diameter of around 35 nm were prepared using a polymer-monomer (gelatin-AA) pair reaction system. These nanospheres can self-assemble into nanorods in aqueous solution at 4 °C. Based on the observation that the intermediate state of the formation of the nanorods and the facts that the self-assembly can only occur at relatively low temperature and the gelatin molecules on the outermost layer of the GEL-PAA nanospheres can be renatured to triple helix conformation, it can be rationally inferred that the hydrogen bonding and electrostatic interactions between the gelatin molecules with the triple helix structure induce the one-dimensional self-assembly of the nanospheres into nanorods.

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Authors and Affiliations

  1. Laboratory of Mesoscopic Chemistry and Department of Polymer Science & Engineering, College of Chemistry & Chemical Engineering, Nanjing University, Nanjing, 210093, China

    Dan Ding, Jing Wang, Ying Chen, Wei Wu & XiQun Jiang

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  1. Dan Ding
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  2. Jing Wang
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  3. Ying Chen
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  4. Wei Wu
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  5. XiQun Jiang
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Correspondence to XiQun Jiang.

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Ding, D., Wang, J., Chen, Y. et al. Synthesis of novel gelatin/poly(acrylic acid) nanorods via the self-assembly of nanospheres. Sci. China Chem. 54, 392–396 (2011). https://doi.org/10.1007/s11426-010-4207-5

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  • DOI: https://doi.org/10.1007/s11426-010-4207-5

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