Volume 87 Issue 20 | p. 41 | Concentrates
Issue Date: May 18, 2009

Silicon Nanowires Light Up For Imaging

Nanowires serve as intense in vivo and in vitro imaging probes to study circulating blood and organ tissue samples of mice
Department: Science & Technology

Silicon nanowires can serve as intense in vitro and in vivo imaging probes, according to researchers at Purdue University (Nano Lett., DOI: 10.1021/nl901143p). Fluorescent compounds have long been used for biological imaging, but their optical response often weakens quickly when illuminated because of photobleaching. Nanoparticles, nanorods, and other nanoscale materials can partly sidestep the photobleaching problem, although in some cases most of . . .

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