@article{Ling2016, author = "Jue Ling and Gaowa Naren and Jessica Kelly and Thomas S. Moody and A. Prasanna de Silva", title = "{Building pH Sensors into Paper-Based Small-Molecular Logic Systems for Very Simple Detection of Edges of Objects}", year = "2016", month = "2", url = "https://acs.figshare.com/articles/journal_contribution/Building_pH_Sensors_into_Paper_Based_Small_Molecular_Logic_Systems_for_Very_Simple_Detection_of_Edges_of_Objects/2182975", doi = "10.1021/jacs.5b00665.s001" }