/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: ArunUpadhyay4 https://cdn.slidesharecdn.com/profile-photo-ArunUpadhyay4-48x48.jpg?cb=1455706957 Working in the area of materials science, nanotechnology, surface chemistry, polymer, bio-sensors, solar energy, electrochemistry.