Zhipeng Ma

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To reveal phylogeographic features of sable (Martes zibellina) in the southeast part of its range, we analyzed variability of the mitochondrial DNA (mtDNA) cytochrome b gene, tRNA (Pro), tRNA (Thr) and control region (D-loop) sequences from 78 specimens in populations of the Russian Far East, northeast China, and Mongolia. Our results revealed the presence(More)
DNA origami in a nanotube configuration is increasingly attractive for the creation of new structural systems that can confine or encapsulate a variety of nanoscale materials, but utilization as a functional mechanical component depends on understanding crucial properties such as the radial mechanical property that has rarely been studied. Here, we report(More)
To realize a nanogap-based single-molecule label-free detection device for surface-enhanced Raman scattering measurements, a new approach utilizing DNA origami (DO) as a sacrificial nano-structure is proposed. In this approach, gold nanoparticles (AuNPs) are precisely self-assembled to form a dimer structure on opposite faces of a rectangular DO structure.(More)
DNA origami methods enable the fabrication of various nanostructures and nanodevices, but their effective use depends on an understanding of their structural and mechanical properties and the effects of basic structural features. Frequency-modulation atomic force microscopy is introduced to directly characterize, in aqueous solution, the crossover regions(More)
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