Yes, nanotechnology has significantly enhanced diagnostic capabilities through the development of nanobiosensors and imaging agents. Nanoparticles can be used as contrast agents in imaging techniques like MRI, CT scans, and ultrasounds, providing higher resolution images. Quantum dots, for example, can be used in fluorescence imaging to detect cancerous cells at very early stages. Nanoscale biosensors can detect biomarkers at extremely low concentrations, enabling early diagnosis of diseases such as cancer and Alzheimer's.
