Production and characterization of microalgal exopolysaccharide as a reducing and stabilizing agent for green synthesis of gold-nanoparticle: a case study with a Chlorella sp. from Himalayan high-altitude psychrophilic habitat

Sunaina Jakhu, Yogesh Sharma, Kriti Sharma, Kalyan Vaid, Hena Dhar, Vanish Kumar, Ravindra Pal Singh, Ajam Shekh, Gulshan Kumar