The present disclosure relates to compounds that are useful as near-infrared fluorescence probes, wherein the compounds include i) a pteroyl ligand that binds to a target receptor protein, ii) a dye molecule, and iii) a linker molecule that comprises an amino acid or derivative thereof. The disclosure further describes methods and compositions for incorporating the compounds as used for the targeted imaging of tumors. Conjugation of the amino acid linking groups increase specificity and detection of the compound. Methods and compositions for use thereof in diagnostic imaging are contemplated.
本公开涉及可用作近红外荧光探针的化合物,其中化合物包括 i) 与靶受体蛋白结合的蝶酰
配体;ii)
染料分子;iii) 由
氨基酸或其衍
生物组成的连接分子。本公开进一步描述了将这些化合物用于肿瘤靶向成像的方法和组合物。
氨基酸连接基团的共轭增加了化合物的特异性和检测能力。考虑将其用于诊断成像的方法和组合物。