Fluorescence imaging is a technique used in biomedical research and diagnostics to visualize and study biological molecules or processes. It involves the use of fluorescent dyes or proteins that emit light when exposed to a specific wavelength of light, allowing researchers to track the location, quantity, and activity of specific molecules within cells or tissues. This technique is widely used in various fields such as cell biology, microbiology, neurobiology, and cancer research to study processes like protein localization, cell signaling, gene expression, and disease progression. Fluorescence imaging can provide detailed and dynamic information about biological processes in real-time, making it a valuable tool for studying complex biological systems.