Ingenious Fabrication of Ag-Filled Porous Anodic Alumina Films as Powerful SERS Substrates for Efficient Detection of Biological and Organic Molecules oleh Chih-Yi Liu, Rahul Ram, Rahim Bakash Kolaru, Anindya Sundar Jana, Annada Sankar Sadhu, Cheng-Shane Chu, Yi-Nan Lin, Bhola Nath Pal, Shih-Hsin Chang, Sajal Biring