钆
磁共振成像
高分子
磁共振造影剂
材料科学
对比度(视觉)
药物输送
磁共振血管造影
核磁共振
化学
生物医学工程
纳米技术
放射科
医学
计算机科学
生物化学
冶金
人工智能
物理
作者
Jianbin Tang,Yuqi Sheng,Hongjie Hu,Youqing Shen
标识
DOI:10.1016/j.progpolymsci.2012.07.001
摘要
Stable gadolinium chelates are widely used as the contrast agents (CAs) for magnetic resonance imaging (MRI). Conjugation of the chelates onto macromolecular carriers forms macromolecular CAs (mCAs). Compared with small molecule MRI CAs, mCAs have advantages of high relaxivity and prolonged retention in blood circulation. Variants of mCAs have been synthesized and tested using animal models, showing their great potential applications in angiography, cancer imaging, kidney imaging, liver imaging, lymphatic imaging, and noninvasive visualization of drug delivery. Herein, the state of the art of mCAs, including their structures, properties, and applications is reviewed and future directions for developing mCAs are suggested.
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