Green synthesis of selenium nanoparticles mediated from Ceropegia bulbosa Roxb extract and its cytotoxicity, antimicrobial, mosquitocidal and photocatalytic activities oleh Vetrivel Cittrarasu, Durairaj Kaliannan, Kalaimurugan Dharman, Viji Maluventhen, Murugesh Easwaran, Wen Chao Liu, Balamuralikrishnan Balasubramanian, Maruthupandian Arumugam