Interactions between fibroin and sericin proteins from antheraea pernyi and bombyx mori silk fibers

Du, Shan, Zhang, Jin, Zhou, Wei T., Li, Quan X., Greene, George W., Zhu, Hai J., Li, Jing L. and Wang, Xun G. 2016, Interactions between fibroin and sericin proteins from antheraea pernyi and bombyx mori silk fibers, Journal of colloid and interface science, vol. 478, pp. 316-323, doi: 10.1016/j.jcis.2016.06.030.

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Title Interactions between fibroin and sericin proteins from antheraea pernyi and bombyx mori silk fibers
Author(s) Du, Shan
Zhang, JinORCID iD for Zhang, Jin
Zhou, Wei T.
Li, Quan X.ORCID iD for Li, Quan X.
Greene, George W.ORCID iD for Greene, George W.
Zhu, Hai J.ORCID iD for Zhu, Hai J.
Li, Jing L.ORCID iD for Li, Jing L.
Wang, Xun G.ORCID iD for Wang, Xun G.
Journal name Journal of colloid and interface science
Volume number 478
Start page 316
End page 323
Total pages 8
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2016-09-15
ISSN 1095-7103
Keyword(s) Silk
Interfacial adhesion
Surface energy
Summary Silkworm silk fibers are core-shell composites of fibroin and sericin proteins. Studying the interactions between fibroin and sericin is essential for understanding the properties of these composites. It isobserved that compared to the domestic silk cocoon Bombyx mori (B. mori), the adhesion between fibroin and sericin from the wild silk cocoon, Antheraea pernyi (A. pernyi), is significantly stronger with a higherdegree of heterogeneity. The adsorption of A. pernyi sericin on its fibroin is almost twice the value for B.mori sericin on fibroin, both showing a monolayer Langmuir adsorption. 1H NMR and FTIR studiesdemonstrate on a molecular level the stronger interactions and the more intensive complex formation between A. pernyi fibroin and sericin, facilitated by the hydrogen bonding between glycine and serine.The findings of this study may help the design of composites with superior interfacial adhesion between different components.
Language eng
DOI 10.1016/j.jcis.2016.06.030
Field of Research 030406 Proteins and Peptides
030603 Colloid and Surface Chemistry
03 Chemical Sciences
09 Engineering
02 Physical Sciences
Socio Economic Objective 860403 Natural Fibres
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Grant ID DP120100139
Copyright notice ©2016, Elsevier
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Document type: Journal Article
Collections: Institute for Frontier Materials
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