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Gold nanorod-mediated photothermal modulation for localized ablation of cancer cells

Authors
 Yoochan Hong ; Eugene Lee ; Jihye Choi ; Seung Jae Oh ; Seungjoo Haam ; Yong-Min Huh ; Dae Sung Yoon ; Jin-Suck Suh ; Jaemoon Yang 
Citation
 Journal of Nanomaterials, Vol.2012 : 825060, 2012 
Journal Title
 Journal of Nanomaterials 
ISSN
 1687-4110 
Issue Date
2012
Abstract
We estimated the photothermal transduction efficiency of gold nanorod (GNR) solutions for different GNR concentrations and irradiation laser power. In particular, we verified that the degree of cell death area could be modulated by GNR concentration and irradiation laser power. The efficacy of GNR-produced photothermal ablation of cancer cells was evaluated by irradiating GNRs in the presence of MDA-MB-231 breast cancer cells with a near-infrared (NIR) laser at different laser power densities and irradiation times. GNR-induced photothermal ablation was applied successfully to cancer cells at various NIR laser power densities and irradiation times and was characterized with live-dead cell staining. Through these techniques, we established the system for not only verification of induced photothermal effect using NIR laser and thermocouple, but also identification of uptake efficiency for GNRs and cell viability using dark field and fluorescence imaging, respectively.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/90978
DOI
10.1155/2012/825060
Appears in Collections:
1. 연구논문 > 5. Research Institutes > Institute for Medical Convergence
1. 연구논문 > 1. College of Medicine > Dept. of Radiology
1. 연구논문 > 1. College of Medicine > Yonsei Biomedical Research Center
1. 연구논문 > 5. Research Institutes > Yonsei Integrative Research Institute for Cerebral & Cardiovascular Disease
Yonsei Authors
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