Described herein is a contrast agent for administration to a subject. The contrast agent includes a targeting portion that includes a hydrazide functional group; a metal ion bound to a metal-complexable portion; and a linker joining the targeting portion and the metal- complexable portion of the contrast agent. The portion that is not bound to a metal ion localizes the contrast agent to necrotic tissue in the subject.
本文描述了一种用于给予受试者的对比剂。该对比剂包括一个包含
肼基官能团的靶向部分;与可形成
金属络合物的部分结合的
金属离子;以及连接靶向部分和
金属络合物部分的对比剂的连接剂。未结合
金属离子的部分将对比剂定位到受试者的坏死组织中。