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6 Jun 2011

Volume 98, Issue 23, Articles (23xxxx)

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Appl. Phys. Lett. 98, 233101 (2011); http://dx.doi.org/10.1063/1.3597211 (3 pages)

Yu-Jung Lu (呂宥蓉), Hon-Way Lin (林弘偉), Hung-Ying Chen (陳虹穎), Yu-Chen Yang (楊右丞), and Shangjr Gwo (果尚志)
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Photothermolysis of immobilized bacteria on gold nanograil arrays

Soo Kyung Kim, Chul-Joon Heo, Jong Young Choi, Su Yeon Lee, Se Gyu Jang, Jae Won Shim, Tae Seok Seo, and Seung-Man Yang

Appl. Phys. Lett. 98, 233701 (2011); http://dx.doi.org/10.1063/1.3598445 (3 pages) | Cited 4 times

Online Publication Date: 9 June 2011

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Photothermolysis technique via array of gold nanograils had been developed by illuminating near infrared laser light onto captured bacteria in metal nanostructure. The strong electromagnetic field enhancement at the sharp edges of the gold nanograils produced local heating that was sufficient to break the thick cell walls of the gram-positive Staphylococcus aureus cells within a short time. Individual cells in the nanograil array can be selectively lysed by adjusting the laser scanning area to the micrometer scale.
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87.85.Rs Nanotechnologies-applications
87.85.jc Electrical, thermal, and mechanical properties of biological matter
87.19.xb Bacterial diseases
87.16.Gj Cell walls
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