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• Scotch tape finds new use as grasping 'smart material'

  Scotch tape, a versatile household staple and a mainstay of holiday gift-wrapping, may have a new scientific application as a shape-changing "smart material." Researchers used a laser to form slender half-centimeter-long fingers out of the tape. When exposed to water, the four wispy fingers morph in more

• 'Nano machine shop' shapes nanowires, ultrathin films

  A new "nano machine shop" that shapes nanowires and ultrathin films could represent a future manufacturing method for tiny structures with potentially revolutionary properties. The structures might be "tuned" for applications ranging from high-speed electronics to solar cells and also may have great more

• $13-million NSF center to explore new ways to manipulate light at the nanoscale

  A new $13-million National Science Foundation center based at the University of Michigan will develop high-tech materials that manipulate light in new ways. The research could enable advances such as invisibility cloaks, nanoscale lasers, high-efficiency lighting, and quantum computers. The Center f more

Publications Purdue University

• Data quality in tissue analysis using desorption electrospray ionization

  Abstract   There has been a recent surge in applications of mass spectrometry (MS) to tissue analysis, particularly lipid-based tissue imaging using ambient ionization techniques. This recent growth highlights the need to examine the effects of sample handling, storage conditions, and experiment more

• Trace detection of inorganic oxidants using desorption electrospray ionization (DESI) mass spectrometry

  Abstract   Desorption electrospray ionization (DESI), an established ambient ionization method in mass spectrometry (MS) for the analysis of organic compounds, is applied here to trace detection of inorganic salts, including inorganic oxidants. In-situ surface analysis of targeted compounds, inc more

• Atomic Friction Modulation on the Reconstructed Au(111) Surface

  Abstract   Friction between a nanoscale tip and a reconstructed Au(111) surface is investigated both by atomic force microscopy (AFM) and molecular statics calculations. Lateral force AFM images exhibit atomic lattice stick–slip behavior with a superstructure corresponding to the herringbone rec more

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