Liu, W. T.; Lai, H.; Huang, R.; Zhao, C. T.; Wang, Y. M.; Weng, X. C.; Zhou, X., DNA methyltransferase activity detection based on fluorescent silver nanocluster hairpin-shaped DNA probe with 5-C-rich/G-rich-3 tails. Biosens. Bioelectron. 2015, 68, 736-740.