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Kristian’s research

In this blog we learn about a researcher’s work in the machine shop. The researcher in question is Kristian who‘s a fourth year PhD student in Prof. Brian Pogue’s lab. Prof. Brian Pogue’s a leading biomedical teacher and researcher and you can learn more about his work through the following links:

http://engineering.dartmouth.edu/people/faculty/brian-pogue/

http://graduate.dartmouth.edu/about/newdean.html

It was while I was on a leisurely jaunt through the machine shop looking at the work students were doing that I came across Kristian who was busy machining his device and racing against time to get it done before the shop closed. Well, research at Thayer not only involves routine lab work but also the occasional trips to the machine shop to build your own machines. But how do novice machinists start building so quickly? It is due to the hands on guidance from the instructors, the TAs and the design fellow.

Since what Kristian is doing is very novel and hasn’t been published yet I won’t be going into the technical details much, but suffice to say it is pretty interesting.

Kristian’s projects are in the field of biomedical technologies and the project he is working on falls under a larger project titled “Fluorescence guided neurosurgery”, a project in which he explores the use of fluorescence to help surgeons and medical practitioners differentiate between diseased tissues and healthy ones. For example tell apart cancerous tissues from the healthy ones during surgeries.

The photos below show the device which Kristian machined in the machine shop, he then anodized it to give it a better finish since it’s going to be used not only in the lab but in medical hospitals as well. The device consists of place holders for LED lights which are arranged in a circle and in the center is placed a camera which captures images extremely fast. This allows the researcher to have his/her sample inspected through fluorescence which is excited in the samples by the LED lights. What’s interesting about the LED place holders is that they have been machined to be adjustable, thus making the device extremely flexible- a proof of machining sophistication.

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Well that was about Kristian’s work, yes it’s a little short on the details of what Kristian’s doing, but we sure will get you more on this once the work is published in one of the journals. Meanwhile feel free to go through the links given for Prof. Brian Pogue’s lab and his ongoing projects. Further do visit our Facebook page for more photos on this project and other interesting stuff going on at the machine shop.

-Pavan R. Yerram

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