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Preparation and characterization of Nephila clavipes tubuliform silk gut


Tubuliform silk glands were dissected from Nephila clavipes spiders and silk gut fibers were produced by immersing the glands in a mild acid solution and subsequent stretching. The tensile properties of the as produced fibers were obtained through tensile tests and the stress-strain curves were compared with those of naturally spun tubuliform silk fibers. The influence on the mechanical properties of the fibers after immersion in water and drying was also discerned. The microstructure of the silk guts was obtained by X ray diffraction (XRD) and infrared spectroscopy (FTIR). It was found that the stress-strain curves of stretched tubuliform silk guts concur with their natural counterparts (tubuliform silk fibers).

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Publication details

The article was received on 30 Jan 2019, accepted on 10 Mar 2019 and first published on 14 Mar 2019

Article type: Paper
DOI: 10.1039/C9SM00212J
Citation: Soft Matter, 2019, Accepted Manuscript

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    Preparation and characterization of Nephila clavipes tubuliform silk gut

    V. Ruiz, P. Jiang, C. Müller, I. Jorge, J. Vázquez, A. Ridruejo, S. D. Aznar-Cervantes, J. L. Cenis, L. Meseguer, M. Elices, G. V. Guinea and J. Pérez-Rigueiro, Soft Matter, 2019, Accepted Manuscript , DOI: 10.1039/C9SM00212J

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