Mass spectrometry determines the molecular weight of ionized molecules, from small metabolites to large biological compounds like proteins. New refinements to this technique also allow measurement of the three-dimensional structure of the ions using a method called ion mobility spectrometry. We have new instrumentation that combines laser desorption ionization and/or electrospray ionization with ion mobility and time-of-flight mass spectrometry to provide even more thorough measurements of the actual structures of the ions. This instrumentation is being used to monitor met
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SULI 1: Precious metals and metal alloys are important heterogeneous catalysts for renewable energy and materials. However, both of them have their limitations. Precious metals have low natural abundance and are expensive. Metal alloys have unstable surfaces due to surface segregation under reaction conditions, which renders the identification of active sites and the understanding of reaction mechanisms difficult. My research group will address these limitations by developing new intermetallic NP catalysts.
We seek motivated undergraduates in our lab to address an outstanding and cross-cutting challenge of condensed matter/chemical/biological physics: how to achieve quantum control of magnetism and reveal highly non-equilibrium, â€œthermodynamically hiddenâ€ orders during femtosecond timescales? One example is a new paradigm discovered by our group called quantum femtosecond magnetismâ€”fs magnetic and electronic phase transitions driven by quantum spin flucations and laser-excited inter-atomic coherences (T. Li, et al., Nature, 496, 69, 2013).
"We develop high surface nanostructured materials, functionalized with multiple organic and inorganic groups to make smart multitasking nanoparticles. We employ these nanomaterials to various fields such as catalysis, CO2 capture and conversion, environmental remediation as well as biomedical research and biotechnology.
The student will use the fragment molecular orbital (FMO) method to study heterogeneous catalysis on metal oxide surfaces.
Program mentor: Mark Gordon, Ames Laboratory Associate and Distinguished Professor, Iowa State University
The U.S. Department of Energyâ€™s (DOE) Ames Laboratory has announced that it will acquire a Dynamic Nuclear Polarization-NMR spectrometer, a giant step forward in the laboratoryâ€™s world-class solid state NMR capabilities. The Ames Laboratoryâ€™s instrument will be the first of its kind to be focused on materials and materials chemistry in the United States.
|Calling all crafters to join in a lunchtime Ames Lab craft social! Join your fellow Ames Lab colleagues every second Wednesday of the month in G51 TASF (vending area) to knit, crochet, cross stitch, make jewelry or work on whatever craft project you have going.|
|Work is progressing on the Critical Materials Institute office space on the first floor of Wilhelm Hall. Drywall has been installed and workmen have been painting this week. Installation of the suspended ceiling is scheduled to begin soon with cabinetry and fixtures to follow.|
|Ames Laboratory employees should always be on guard against possible cyber-attacks and practice good computer security measures but on Aug. 12-15 a little extra vigilance would be advisable. A team of DOE cyber security experts will be on site checking network security as part of the Safeguards and Security review.|