Evaluation of nanofibril chitosan@8‐formyl‐7‐hydroxy‐coumarin hydrogel having distinct auto‐fluorescence efficiency: Structure–properties relation, improved antioxidant, and cellular imaging. - Ghorai, Shubhankar; Jana, Biswajit; Pan, Dipika; Ramasamy, Thilagam; Parshi, Nira; Arumugam, Gnanamani; Ganguly, Jhuma (Journal of Applied Polymer Science, 2022)