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Visualization of DNA and Graphene Surface.

MH Michael T. Hwang
PL Preston B. Landon
JL Joon Lee
DC Duyoung Choi
AM Alexander H. Mo
GG Gennadi Glinsky
RL Ratnesh Lal
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Topographic images of DNA on graphene surface were acquired using a Multimode AFM equipped with a Nanoscope V controller (Bruker). Silicon cantilevers with a spring constant of 42 N/m (PPP-NCHR; Nanosensor) were used for imaging in air using tapping mode. Silicon nitride cantilevers with spring constants of 0.08 N/m (OMCL-TR400; Olympus) were used for imaging in fluid using peak force-tapping mode. The Nanoscope software was used for analyzing imaging data.

Copyright and License information:  ©2016-06-13
Freely available online through the PNAS open access option.

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