Synthesis of Lawsonia inermis-encased silver–copper bimetallic nanoparticles with antioxidant, antibacterial, and cytotoxic activity oleh Ragavendran Chinnasamy, Kamaraj Chinnaperumal, Natarajan Devarajan, Al-Ghanim Khalid A., Magesh Mohan, Nicoletti Marcello, Govindarajan Marimuthu