Preprint Article Version 1 This version is not peer-reviewed Version 1 : Received: 30 September 2024 / Approved: 1 October 2024 / Online: 1 October 2024 (04:55:01 CEST) Du, B.; Chen, T.; Huang, A.; Chen, H.; Liu, W. Portable Detection of Copper Ion Using Personal Glucose Meter. Preprints 2024, 2024100011. https://doi.org/10.20944/preprints202410.0011.v1 Du, B.; Chen, T.; Huang, A.; Chen, H.; Liu, W. Portable Detection of Copper Ion Using Personal Glucose Meter. Preprints 2024, 2024100011.