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18 March 2008 Respiratory-gated micro-CT using a carbon nanotube based micro-focus field emission x-ray source
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A prototype physiologically gated micro-computed tomography (micro-CT) system based on a field emission micro-focus x-ray source has been developed for in vivo imaging of small animal models. The novel x-ray source can generate radiation with a programmable waveform that can be readily synchronized and gated with non-periodic physiological signals. The system performance is evaluated using phantoms and sacrificed and anesthetized mouse models. Prospective respiratory-gated CT images of anesthetized free-breathing mice are collected using this scanner at 100msec temporal resolution and 10 lp/mm of 10% system MTF.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Guohua Cao, Yueh Z. Lee, Zejian Liu, Ramya Rajaram, Rui Peng, Xiomara Calderon-Colon, Lei An, Peng Wang, Tuyen Phan, David Lalush, Jianping Lu, and Otto Zhou "Respiratory-gated micro-CT using a carbon nanotube based micro-focus field emission x-ray source", Proc. SPIE 6913, Medical Imaging 2008: Physics of Medical Imaging, 691304 (18 March 2008);


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