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Analytical and Bioanalytical Chemistry

, Volume 407, Issue 13, pp 3861–3867 | Cite as

Development of an enzyme-linked-immunosorbent-assay technique for accurate identification of poorly preserved silks unearthed in ancient tombs

  • Qin Zheng
  • Xiaofeng WuEmail author
  • Hailing Zheng
  • Yang Zhou
Research Paper

Abstract

We report the preparation of a specific fibroin antibody and its use for the identification of unearthed ancient silk relics. Based on the 12-amino-acid repeat sequence “GAGAGSGAGAGS”, which is found in fibroin of the silkworm Bombyx mori, a specific antibody against fibroin was prepared in rabbits through peptide synthesis and carrier-protein coupling. This antibody was highly specific for fibroin found in silk. Using this antibody we have successfully identified four silk samples from different time periods. Our results reveal, for the first time, a method capable of detecting silk from a few milligrams of archaeological fabric that has been buried for thousands of years, confirming that the ancient practice of wearing silk products while praying for rebirth dated back to at least 400 BCE. This method also complements current approaches in silk detection, especially for the characterization of poorly preserved silks, promoting the investigation of silk origins and of ancient clothing cultures.

Graphical Abstract

Scheme of silk identification by enzyme-linked immunosorbent assayᅟ

Keywords

Fibroin antibody Archaeological fabric ELISA Identification Silk 

Notes

Acknowledgments

We thank the Materials and Textiles Institute of Zhejiang Sci-Tech University (Hangzhou, China) for providing the modern fiber samples. This work was supported by the grant of the State Administration of Cultural Heritage, project 20120226 on Study of Silk Relics by Enzyme-linked Immunosorbent Assay and the grant of the National Key Technology R&D Program, project 2013BAK08B08 on Identification and Conservation of Archaeological Remains.

Supplementary material

216_2015_8621_MOESM1_ESM.pdf (842 kb)
ESM 1 (PDF 842 kb)

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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • Qin Zheng
    • 1
  • Xiaofeng Wu
    • 1
    Email author
  • Hailing Zheng
    • 2
  • Yang Zhou
    • 2
  1. 1.Silkworm Biotechnology Lab, College of Animal ScienceZhejiang UniversityHangzhouChina
  2. 2.Chinese Textiles Identification and Conservation CenterChina Silk MuseumHangzhouChina

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