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Welcome and thanks for visiting!

The application of micro and nano-analytical techniques to any sample is paramount.

 

Recently colleagues and I have employed novel nanoscale techniques to better understand the cause of Alzheimer's disease. This ongoing research is being performed at Washington University, MIT, and Harvard.

My personal research interests have previously been focused on isotopic and elemental studies of stardust grains. Specifically, I have worked to determine, for the first time, the cosmic ray exposure ages of individual grains by measuring Li, He, and Ne isotopic ratios in presolar SiC grains. These are literally the oldest objects in the Solar System!

Along with colleagues, I have also been involved in the software development of an automated measurement system for the NanoSIMS ion microprobe that is being used to search for ultra-rare stardust grains.

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