Photoacoustic imaging of multiple targets using gold nanorods

Photoacoustic (PA) imaging has been used mainly for anatomical and functional imaging. Although functionalized nanoparticles also have been developed for PA molecular imaging, only single targeting has been demonstrated. In this study, PA imaging of multiple targets using gold nanorods is demonstrat...

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Veröffentlicht in:IEEE transactions on ultrasonics, ferroelectrics, and frequency control. - 1999. - 54(2007), 8 vom: 13. Aug., Seite 1642-7
1. Verfasser: Li, Pai-Chi (VerfasserIn)
Weitere Verfasser: Wei, Chen-Wei, Liao, Chao-Kang, Chen, Cheng-Dah, Pao, Kuei-Chen, Wang, Churng-Ren Chris, Wu, Ya-Na, Shieh, Dar-Bin
Format: Aufsatz
Sprache:English
Veröffentlicht: 2007
Zugriff auf das übergeordnete Werk:IEEE transactions on ultrasonics, ferroelectrics, and frequency control
Schlagworte:Letter Research Support, Non-U.S. Gov't Contrast Media Gold 7440-57-5
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520 |a Photoacoustic (PA) imaging has been used mainly for anatomical and functional imaging. Although functionalized nanoparticles also have been developed for PA molecular imaging, only single targeting has been demonstrated. In this study, PA imaging of multiple targets using gold nanorods is demonstrated experimentally using HER2 and CXCR4 as target molecules. The two corresponding monoclonal antibodies were conjugated to two types of gold nanorod with different aspect ratios. Gold nanorods with mean aspect ratios of 5.9 and 3.7 exhibited peak optical absorptions at 1000 and 785 nm, respectively. Appropriate selection of laser irradiation wavelength enhances PA signals by 7-12 dB and allows signals from gold nanorods corresponding to specific bindings to be distinguished. This approach potentially allows the expression levels of different oncogenes of cancer cells to be revealed simultaneously 
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650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a Wei, Chen-Wei  |e verfasserin  |4 aut 
700 1 |a Liao, Chao-Kang  |e verfasserin  |4 aut 
700 1 |a Chen, Cheng-Dah  |e verfasserin  |4 aut 
700 1 |a Pao, Kuei-Chen  |e verfasserin  |4 aut 
700 1 |a Wang, Churng-Ren Chris  |e verfasserin  |4 aut 
700 1 |a Wu, Ya-Na  |e verfasserin  |4 aut 
700 1 |a Shieh, Dar-Bin  |e verfasserin  |4 aut 
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