By blending optical and atomic force microscope technologies, Iowa State University and Ames Laboratory researchers have found a way to complete 3-D measurements of single biological molecules with unprecedented accuracy and precision. Existing technologies allow researchers to measure single molecules on the x and y axes of a 2-D plane. The new technology allows researchers to make height measurements (the z axis) down to the nanometer â€“ just a billionth of a meter â€“ without custom optics or special surfaces for the samples.
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Scientists at the U.S. Department of Energyâ€™s Ames Laboratory are using specialized techniques to help unravel the mysteries of a new type superconductor. The group was part of an international collaboration that found that magnetism may be helping or even responsible for superconductivity in iron-based superconductors. The results were published in the June 22 issue of Science.
Mufit Akinc, an Ames Laboratory associate and a faculty member at Iowa State University since 1981, has been named interim dean of the College of Engineering effective July 30. He succeeds Jonathan Wickert, who will assume the role of senior vice president and provost at Iowa State on the same date.
Akinc is a professor of materials science and engineering and has led the collegeâ€™s international engagement initiative since 2010. He also holds a courtesy appointment in chemical and biological engineering.
Iowa State Universityâ€™s College of Engineering has named Kristen Constant chair of its materials science and engineering program. Her appointment will begin July 1, 2012. She was identified through an internal search to replace Richard LeSar, chair since 2006, who is stepping down to devote more time to his research activities.
Constant joined the Iowa State faculty in 1992 and was promoted to full professor in 2011. She is also an associate scientist at the Department of Energyâ€™s Ames Laboratory.
Scientists at the U.S. Department of Energyâ€™s Ames Laboratory have designed a method to evaluate different conductors for use in metamaterial structures, which are engineered to exhibit properties not possible in natural materials. The work was reported this month in Nature Photonics.