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Title: Development of a Process for the Spinning of Synthetic Spider Silk

Journal Article · · ACS Biomaterials Science & Engineering
 [1];  [1];  [1];  [1]
  1. Utah State Univ., Logan, UT (United States). Dept. of Biological Engineering and Synthetic Biomanufacturing Center

Spider silks have unique mechanical properties but current efforts to duplicate those properties with recombinant proteins have been unsuccessful. Here, this study was designed to develop a single process to spin fibers with excellent and consistent mechanical properties. As-spun fibers produced were brittle, but by stretching the fibers the mechanical properties were greatly improved. A water-dip or water-stretch further increased the strength and elongation of the synthetic spider silk fibers. Given the promising results of the water stretch, a mechanical double-stretch system was developed. Both a methanol/water mixture and an isopropanol/water mixture were independently used to stretch the fibers with this system. We found that the methanol mixture produced fibers with high tensile strength while the isopropanol mixture produced fibers with high elongation.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Organization:
USDOE Office of Science (SC); National Science Foundation (NSF)
OSTI ID:
1203745
Journal Information:
ACS Biomaterials Science & Engineering, Vol. 1, Issue 7; ISSN 2373-9878
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
ENGLISH
Citation Metrics:
Cited by: 57 works
Citation information provided by
Web of Science

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Cited By (13)

Piezoresponse, Mechanical, and Electrical Characteristics of Synthetic Spider Silk Nanofibers journal August 2018
Recombinant Silk Fiber Properties Correlate to Prefibrillar Self‐Assembly journal February 2019
Spider dragline silk composite films doped with linear and telechelic polyalanine: Effect of polyalanine on the structure and mechanical properties journal February 2018
Recombinant spider silk from aqueous solutions via a bio-inspired microfluidic chip journal November 2016
Method for the Destruction of Endotoxin in Synthetic Spider Silk Proteins journal August 2018
Robust Biological Fibers Based on Widely Available Proteins: Facile Fabrication and Suturing Application journal January 2020
3D nanofabrication inside rapid prototyped microfluidic channels showcased by wet-spinning of single micrometre fibres journal January 2018
Mechanically Strong Globular‐Protein‐Based Fibers Obtained Using a Microfluidic Spinning Technique journal March 2020
Mechanically Strong Globular‐Protein‐Based Fibers Obtained Using a Microfluidic Spinning Technique journal January 2020
Using Hawkeye from the Avengers to communicate on the eye journal March 2018
Silk Spinning in Silkworms and Spiders journal August 2016
Importance of Heat and Pressure for Solubilization of Recombinant Spider Silk Proteins in Aqueous Solution journal November 2016
Biomimetic spinning of artificial spider silk from a chimeric minispidroin journal January 2017