Enhanced infrared neural stimulation using localized surface plasmon resonance of gold nanorods.

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Authors: Kyungsik Eom ; Jinhyung Kim ; Jong Min Choi ; Taekyeong Kang ; Jin Woo Chang ; Kyung Min Byun ; Sang Beom Jun ; Sung June Kim

MeSH: Action Potentials ; Animals ; Cell Membrane/metabolism ; Gold/chemistry* ; Lasers ; Male ; Metal Nanoparticles/chemistry* ; Microscopy, Electron, Transmission ; Nanotechnology ; Nanotubes/chemistry* ; Neurons/metabolism ; Neurons/pathology* ; Optics and Photonics ; Photochemistry ; Rats ; Rats, Sprague-Dawley ; Spectrophotometry, Infrared ; Surface Plasmon Resonance

Keywords: gold nanoparticles ; infrared neural stimulation ; photothermal effect ; surface plasmon resonance

Abstract: An advanced optical activation of neural tissues is demonstrated using pulsed infrared light and plasmonic gold nanorods. Photothermal effect localized in plasma membrane triggers action potentials of in vivo neural tissues. Compared with conventional infrared stimulation, the suggested method can increase a neural responsivity and lower a threshold stimulation level significantly, thereby reducing a requisite radiant exposure and the concern of tissue damage.

Full Text: http://onlinelibrary.wiley.com/doi/10.1002/smll.201400599/abstract

Appears in Collections:: 1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers

Yonsei Authors: Kim, Jin Hyung(김진형)
Chang, Jin Woo(장진우) https://orcid.org/0000-0002-2717-0101

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