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. Author manuscript; available in PMC: 2014 Nov 13.
Published in final edited form as: J Am Chem Soc. 2013 Oct 29;135(45):10.1021/ja4085397. doi: 10.1021/ja4085397

Figure 1.

Figure 1

Working principle of the MV-Chip. (a) Schematic view of a typical MV-Chip for DNA assay. The detection units with platinum amplification (black circles) show larger bar chart advancement than those without amplification. (b) ‘Rocket-like’ propelling mechanism of the MV-Chip. Catalase introduced by DNA hybridization is the initiator and three stages of rough platinum films (Pt) amplify the signals. (c & d) The representative flow path of each reagent before and after an oblique slide: red lane (ink), yellow lane (H2O2), and green lane (DNA assay). Scale bar is 1cm for c) and d).