Issue 14, 2019

Preparation and characterization of Nephila clavipes tubuliform silk gut

Abstract

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 the stretched tubuliform silk guts concur with those of their natural counterparts (tubuliform silk fibers).

Graphical abstract: Preparation and characterization of Nephila clavipes tubuliform silk gut

Article information

Article type
Paper
Submitted
30 Jan 2019
Accepted
10 Mar 2019
First published
14 Mar 2019

Soft Matter, 2019,15, 2960-2970

Preparation and characterization of Nephila clavipes tubuliform silk gut

V. Ruiz, P. Jiang, C. Müller, I. Jorge, J. Vázquez, Á. Ridruejo, S. D. Aznar-Cervantes, J. L. Cenis, L. Messeguer-Olmo, M. Elices, G. V. Guinea and J. Pérez-Rigueiro, Soft Matter, 2019, 15, 2960 DOI: 10.1039/C9SM00212J

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