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.
本文描述了一种造影剂,用于给受试者用药。该造影剂包括一个包含酰
肼官能团的靶向部分;一个与
金属络合部分结合的
金属离子;以及一个连接造影剂的靶向部分和
金属络合部分的连接体。未与
金属离子结合的部分可将造影剂定位到受试者的坏死组织。