Tuning MIP-QCM selectivity for zinc ions via cross-linker/monomer ratio.

Acknowledgements: This research is supported by the National Research Foundation, Singapore, under its Environment & Water Research Programme/Urban Solutions & Sustainability (CWR-2301-0016) and administered/co-funded by PUB, Singapore's National Water Agency. J. Song would like to acknowledge the support of the National Natural Science Foundation of China (No. 22406122), the China Postdoctoral Science Foundation (2023M742200), the Shanghai Pujiang Programme (23PJD035), the Postdoctoral Fellowship Program of CPSF (GZB20240417), and the Science Research Programme (SRP), a collaboration between the NUS Faculty of Science and the Ministry of Education, Singapore. F. M. F. acknowledges the start-up grant support from University College Dublin (R28085) for this international collaboration. Any opinions, findings and conclusions or recommendations expressed in this material are those of the authors and do not reflect the views of the National Research Foundation, Singapore, and PUB, Singapore's National Water Agency.