Nano-sized CT contrast agents.

  title={Nano-sized CT contrast agents.},
  author={Nohyun Lee and Seung Hong Choi and Taeghwan Hyeon},
  journal={Advanced materials},
  volume={25 19},
Computed tomography (CT) is one of the most widely used clinical imaging modalities. In order to increase the sensitivity of CT, small iodinated compounds are used as injectable contrast agents. However, the iodinated contrast agents are excreted through the kidney and have short circulation times. This rapid renal clearance not only restricts in vivo applications that require long circulation times but also sometimes induces serious adverse effects related to the excretion pathway. In addition… CONTINUE READING


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