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Observation of spider silk by femtosecond pulse laser second harmonic generation microscopy

Observation of spider silk by femtosecond pulse laser second harmonic generation microscopy
Observation of spider silk by femtosecond pulse laser second harmonic generation microscopy

An asymmetric β-sheet structure of spider silk is said to induce optical second harmonic generation. In this paper, using an in-house nonscanning type femtosecond pulse laser second harmonic generation microscope, we characterized the behavior of the β-sheet of spider silk under an applied external force. The orientation of the β-sheets was more unidirectional when the silk was extended. One of the origins of the high mechanical strength of the dragline is suggested to be the physical arrangement of its β-sheets.

0142-2421
1-5
Zhao, Yue
2e7dbe56-05c2-4b9e-bd73-5c388a875989
Li, Yanrong
fa796efe-46fe-4ed9-845b-e5aaca1c56ca
Hien, Khuat Thi Thu
6bb1f159-0580-4c7d-a077-a4426aab31ba
Mizutani, Goro
65900bcb-3c20-4fb1-9048-3db4c4cffc6a
Rutt, Harvey N.
e09fa327-0c01-467a-9898-4e7f0cd715fc
Zhao, Yue
2e7dbe56-05c2-4b9e-bd73-5c388a875989
Li, Yanrong
fa796efe-46fe-4ed9-845b-e5aaca1c56ca
Hien, Khuat Thi Thu
6bb1f159-0580-4c7d-a077-a4426aab31ba
Mizutani, Goro
65900bcb-3c20-4fb1-9048-3db4c4cffc6a
Rutt, Harvey N.
e09fa327-0c01-467a-9898-4e7f0cd715fc

Zhao, Yue, Li, Yanrong, Hien, Khuat Thi Thu, Mizutani, Goro and Rutt, Harvey N. (2018) Observation of spider silk by femtosecond pulse laser second harmonic generation microscopy. Surface and Interface Analysis, 1-5. (doi:10.1002/sia.6545).

Record type: Article

Abstract

An asymmetric β-sheet structure of spider silk is said to induce optical second harmonic generation. In this paper, using an in-house nonscanning type femtosecond pulse laser second harmonic generation microscope, we characterized the behavior of the β-sheet of spider silk under an applied external force. The orientation of the β-sheets was more unidirectional when the silk was extended. One of the origins of the high mechanical strength of the dragline is suggested to be the physical arrangement of its β-sheets.

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More information

Accepted/In Press date: 10 August 2018
e-pub ahead of print date: 3 September 2018

Identifiers

Local EPrints ID: 426584
URI: http://eprints.soton.ac.uk/id/eprint/426584
ISSN: 0142-2421
PURE UUID: 36962896-4a9c-428b-be95-e3b1fe388077

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Date deposited: 30 Nov 2018 17:30
Last modified: 30 Nov 2018 17:30

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Contributors

Author: Yue Zhao
Author: Yanrong Li
Author: Khuat Thi Thu Hien
Author: Goro Mizutani
Author: Harvey N. Rutt

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