一种用于小动物的3D和4D电子自旋共振成像系统。
A 3D- and 4D-ESR imaging system for small animals.
作者信息
Oikawa K, Ogata T, Togashi H, Yokoyama H, Ohya-Nishiguchi H, Kamada H
机构信息
Yamagata Research Institute of Technology, Japan.
出版信息
Appl Radiat Isot. 1996 Nov-Dec;47(11-12):1605-9. doi: 10.1016/s0969-8043(96)00167-4.
A new version of in vivo ESR-CT system composed of custom-made 0.7 GHz ESR spectrometer, air-core magnet with a field-scanning coil, three field-gradient coils, and two computers enables up- and down-field, and rapid magnetic-field scanning linearly controlled by computer. 3D-pictures of distribution of nitroxide radicals injected in brains and livers of rats and mice were obtained in 1.5 min with resolution of 1 mm. We have also succeeded in obtaining spatial-time imagings of the animals.
一种新型的体内电子自旋共振-计算机断层扫描（ESR-CT）系统，由定制的0.7 GHz电子自旋共振光谱仪、带有场扫描线圈的空心磁体、三个场梯度线圈和两台计算机组成，能够进行上下场快速磁场扫描，并由计算机进行线性控制。在1.5分钟内获得了注射到大鼠和小鼠大脑及肝脏中的氮氧化物自由基分布的三维图像，分辨率为1毫米。我们还成功获得了动物的时空成像。
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