Multi-component nano probe, preparation method and application

The invention belongs to the technical field of nano medicines, and particularly relates to a multi-component nano probe, a preparation method and application, the multi-component nano probe comprises Au-coated Cu2-xSe-coated Pt and PEG modified on the surface of Au-coated Cu2-xSe-coated Pt, the Au-coated Cu2-xSe-coated Pt comprises Au nanospheres, Cu2-xSe coated on the Au nanospheres and Pt growing on the surface of Cu2-xSe in an island shape, the system has the advantages of deep tissue penetrating power, high spatial resolution and sensitivity, high maximum allowable exposure intensity, multiple treatment and imaging modes and other tumor diagnosis and treatment integration. 本发明属于纳米医药技术领域，具体涉及一种多组元纳米探针、制备方法和应用，包括Au@Cu2-xSe@Pt和修饰在Au@Cu2-xSe@Pt表面的PEG，所述Au@Cu2-xSe@Pt为Au纳米球，包裹在Au纳米球上的Cu2-xSe，以及岛状生长在Cu2-xSe表面的Pt，本发明具有深层组织穿透能力、高空间分辨率和灵敏度、高最大允许曝光强度以及多种治疗和成像模式等肿瘤诊疗一体化。