Theoretical investigation on breaking plant cell wall by laser

Liang-cai Chen; Jin-ji Wang; Peng Ma; Du-luo Zuo; Xin-bing Wang; Zu-hai Cheng

doi:10.1117/12.916284

13 March 2012 Theoretical investigation on breaking plant cell wall by laser

Liang-cai Chen, Jin-ji Wang, Peng Ma, Du-luo Zuo, Xin-bing Wang, Zu-hai Cheng

Proceedings Volume 8330, Photonics and Optoelectronics Meetings (POEM) 2011: Laser and Terahertz Science and Technology; 83300A (2012) https://doi.org/10.1117/12.916284
Event: Photonics and Optoelectronics Meetings 2011, 2011, Wuhan, China

Abstract

The experiment collected some spinach leaves which were irradiated by pulsed CO₂ laser with energy 5.6J, 8.0J and 9.5J respectively. Each of them was soaked in three kinds of solvents (water, ethanol, the mixture of ethanol and petroleum ether) respectively. The experiment shows that the ethanol solution which contains the irradiated leaves turn dark green than the ethanol solution which contains the intact leaves and the color of solution with the leaves irradiated by CO₂ laser with 9.5J changes the most significantly. Further, selective excitation on the molecular level of the cell wall were used to explain the phenomenon.

Citation Download Citation

Liang-cai Chen, Jin-ji Wang, Peng Ma, Du-luo Zuo, Xin-bing Wang, and Zu-hai Cheng "Theoretical investigation on breaking plant cell wall by laser", Proc. SPIE 8330, Photonics and Optoelectronics Meetings (POEM) 2011: Laser and Terahertz Science and Technology, 83300A (13 March 2012); https://doi.org/10.1117/12.916284

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KEYWORDS

Bioalcohols

Carbon dioxide lasers

Laser energy

Absorbance

Pulsed laser operation

Laser applications

Medicine

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