Constructing real-time, wash-free, and reiterative sensors for cell surface proteins using binding-induced dynamic DNA assembly† †Electronic supplementary information (ESI) available. See DOI: 10.1039/c5sc01870f Click here for additional data file.

† Department of Chemistry and Center for Biotechnology, Brock University, St. Catharines, Canada, L2S 3A1 ‡ Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Canada, T6G 2G3 Analytical & Testing Center, Sichuan University, Chengdu, Sichuan 610064, China Department of Pharmaceutical Sciences, Sue and Bill Gross Stem Cell Research Center, Chao Family Comprehensive Cancer Center, Department of Biomedical Engineering, Edwards Lifesciences Center for Advanced Cardiovascular Technology, University of California at Irvine, Irvine, USA