Preparation method and application of biosensor built based on flower-like nanometer zinc oxide microspheres and gold palladium nanometer composite materials

The invention relates to a preparation method and an application of a biosensor built based on flower-like nanometer zinc oxide microspheres and gold palladium nanometer composite materials and belongs to the technical field of novel functional material and biosensor detection. The preparation method and the application of the biosensor have the benefits that with the adoption of the flower-like nanometer zinc oxide microspheres and the gold palladium nanometer composite materials with good electrochemical catalytic properties, the high-sensitivity detection on human immune globulin is realized; the biosensor has an important significance to the early diagnosis of tumor markers.