News Column

Studies from Northwestern University Yield New Information about Physics

June 10, 2014

By a News Reporter-Staff News Editor at Physics Week -- New research on Physics is the subject of a report. According to news reporting from Evanston, Illinois, by VerticalNews journalists, research stated, "Dip-pen nanolithography (DPN) is a useful method for directly printing materials on surfaces with sub-50 nm resolution."

The news correspondents obtained a quote from the research from Northwestern University, "Because it involves the physical transport of materials from a scanning probe tip to a surface and the subsequent chemical interaction of that material with the surface, there are many factors to consider when attempting to understand DPN. In this review, we overview the physical and chemical processes that are known to play a role in DPN."

According to the news reporters, the research concluded: "Through a detailed review of the literature, we classify inks into three general categories based on their transport properties, and highlight the myriad ways that DPN can be used to perform chemistry at the tip of a scanning probe."

For more information on this research see: Material transport in dip-pen nanolithography. Frontiers of Physics, 2014;9(3):385-397. Frontiers of Physics can be contacted at: Higher Education Press, Shatanhou St 55, Beijing 100009, Peoples R China. (Springer -; Frontiers of Physics -

Our news journalists report that additional information may be obtained by contacting K.A. Brown, Northwestern University, Dept. of Mat Sci & Engn, Evanston, IL 60208, United States. Additional authors for this research include D.J. Eichelsdoerfer, X. Liao, S. He and C.A. Mirkin.

Keywords for this news article include: Physics, Evanston, Illinois, United States, North and Central America

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Source: Physics Week

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