There is provided a contrast agent for photoacoustic imaging, the contrast agent exhibiting high tumor accumulation and high photoacoustic signal intensity even when time has passed since administration. A contrast agent for photoacoustic imaging comprises a complex including albumin covalently bound to an organic dye that absorbs light in the near-infrared wavelength region.
提供了一种用于光声成像的对比剂,该对比剂即使在注射后时间过去后仍表现出高的肿瘤积累和高的光声信号强度。用于光声成像的对比剂包括一个复合物,该复合物包括共价结合到近红外波长区域吸收光的有机
染料的白蛋白。