Photocatalytic advancements and applications of titanium dioxide (TiO₂): Progress in biomedical, environmental, and energy sustainability - Karuppiah Nagaraj; Suriyan Radha; Christy G Deepa; K. Raja; Vanitha Umapathy; Nilesh Prakash Badgujar; Nikhil M Parekh; Thangavel Manimegalai; Lakshmanan Archana Devi; Chandrabose Uthra (Next Research, 2025)