Roy's work has a profound impact on healthcare by leveraging nanotechnology to create more effective and less invasive medical treatments. His research focuses on developing Microelectromechanical Systems (MEMS) for biomedical applications. These systems can be used for a variety of purposes, such as early disease detection, targeted drug delivery, and advanced surgical tools. By integrating nanotechnology into medical devices, Roy is paving the way for more personalized and precise healthcare solutions.