DNA is considered as a useful building bio-material. and it serves as an efficient template to align functionalized nanomaterials. Riboflavin (RF)-doped synthetic double-crossover DNA (DX-DNA) lattices and natural salmon DNA (SDNA) thin films were constructed using substrate-assisted growth and drop-casting methods. respectively. https://www.ealisboa.com/flash-grab-Hellfire-Sloe-Gin-special-find/