Nano Structures Toward Biomedical Application is the continuation of Nano structures for energy storage and conversion and their application as catalysts for photochemistry and sensing and it evaluates the application of nanostructures in biomedical application. It includes functionalized Carbon Quantum Dots for biomedical application and a brief about multi-utility of gold nanoparticles in cancer. Provide the reader with the insights into the development of wastewater treatment and its sustainability, so as to understand the application of various nanoparticles on different kinds of cancerous cell.