Paper-Based Potentiometric Ion Sensing The Harvard community has made this article openly available. Please share how this access benefits you. Your story matters Citation Lan, Wen-Jie, Xu U. Zou, Mahiar M. Hamedi, Jinbo Hu, Claudio Parolo, E. Jane Maxwell, Philippe Bühlmann, and George M. Whitesides. 2014. “Paper-Based Potentiometric Ion Sensing.” Analytical Chemistry 86 (19) (October 7): 9548–9553. doi:10.1021/ ac5018088. Published Version doi:10.1021/ac5018088 Citable link http://nrs.harvard.edu/urn-3:HUL.InstRepos:16883005 Terms of Use This article was downloaded from Harvard University’s DASH repository, and is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http:// nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of- use#OAP