List of Articles Direct blue 71 Open Access Article Abstract Page Full-Text 1 - Optimization and modeling of photocatalytic degradation of Direct Blue 71 from contaminated water by TiO2 nanoparticles: Response surface methodology approach (RSM) Mohamadreza Massoudinejad Mohsen Sadani Zeinab Gholami Zeinab Rahmati Masoume Javaheri Hassan Keramati Mansour Sarafraz Moayed Avazpour Sabah Shiri