Fig. 23.
DNAzyme based devices for the detection of non-metal targets. (A) A PGM-sensor for the detection of aflatoxin B1. Reprinted (adapted) from X. Yang, D. Shi, S. Zhu, B. Wang, X. Zhang and G. Wang, Portable Aptasensor of Aflatoxin B1 in Bread Based on a Personal Glucose Meter and DNA Walking Machine, ACS Sens., 2018, 3, 1368–1375. Copyright 2018, American Chemical Society.316 (B) Detection of microRNAs by PGM and oligonucleotide cross-linked hydrogel. Reprinted (adapted) from Y. Si, L. Li, N. Wang, J. Zheng, R. Yang and J. Li, Oligonucleotide Cross-Linked Hydrogel for Recognition and Quantitation of MicroRNAs Based on a Portable Glucometer Readout, ACS Appl. Mater. Interfaces, 2019, 11, 7792–7799. Copyright 2019, American Chemical Society.317