Crystals in Antheraea assamensis silkworm cocoon: their removal, recovery and roles

Kaur, Jasjeet, Rajkhowa, Rangam, Tsuzuki, Takuya and Wang, Xungai 2015, Crystals in Antheraea assamensis silkworm cocoon: their removal, recovery and roles, Materials and design, vol. 88, pp. 236-244, doi: 10.1016/j.matdes.2015.08.148.

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Title Crystals in Antheraea assamensis silkworm cocoon: their removal, recovery and roles
Author(s) Kaur, Jasjeet
Rajkhowa, RangamORCID iD for Rajkhowa, Rangam
Tsuzuki, Takuya
Wang, XungaiORCID iD for Wang, Xungai
Journal name Materials and design
Volume number 88
Start page 236
End page 244
Total pages 9
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-12-25
ISSN 0264-1275
Keyword(s) Antheraea assamensis
Summary Brick shaped mineral deposits or crystals are found in the shell of semi-domestic silk cocoon of Antheraea assamensis (A. assamensis). Effective removal and recovery of these crystals are important to understand their roles in the cocoon's protective function towards pupae. In this study, chemical and physical (ultrasonication) demineralisation methods were investigated for A. assamensis. It was found that the physical demineralisation method could effectively separate crystals without changing their shape and size and not effecting other components of the silk cocoon. The efficient recovery of the crystals, without any change in their chemical composition was confirmed based on FTIR, XRD and EDX techniques. Chemical demineralisation method was optimised and performed under milder conditions than reported in the past. It helped reeling of silk without much loss of strength or natural colour of silk fibre.
Language eng
DOI 10.1016/j.matdes.2015.08.148
Field of Research 091012 Textile Technology
091299 Materials Engineering not elsewhere classified
090301 Biomaterials
0912 Materials Engineering
0913 Mechanical Engineering
Socio Economic Objective 860403 Natural Fibres
HERDC Research category C1 Refereed article in a scholarly journal
Grant ID ARC DP120100139
Copyright notice ©2015, Elsevier
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