Observation of spider silk by femtosecond pulse laser second harmonic generation microscopy
@article{Zhao2019ObservationOS, title={Observation of spider silk by femtosecond pulse laser second harmonic generation microscopy}, author={Yue Zhao and Y. Li and K. T. T. Hien and G. Mizutani and H. Rutt}, journal={Surface and Interface Analysis}, year={2019}, volume={51}, pages={56-60} }
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… CONTINUE READING
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