Summer Undergraduate Research Presentation

This summer, my student Hannah worked on one of my research projects with the goal of developing a flow-through analysis of total antioxidant capacity. Measuring antioxidant content is difficult because the term “antioxidant” can mean any variety of compounds in a substance, and therefore different approaches to analyzing antioxidant capacity can yield very different results.

Our hope is to design a system that can perform multiple analyses on the same sample. To do so, we need to be able to perform each analysis in a small volume. That’s where Hannah’s project comes in. After learning how to perform one of the assays “the normal way”, she worked on performing the analysis using the OMIS millifluidic system coupled to a spectrometer. Much of her summer was spent dealing with background stability and learning how to program using the Wolfram Language, but she did end up with a system that could measure ascorbic acid in small volumes.

Here’s Hannah, working on her project (and in the cleanest part of my lab, mind you). Brockport students involved in summer research are encouraged to present their work at a fall poster session. You can download Hannah’s poster below (not quite sure what WordPress is doing, but hopefully it works).

Hannah was a very hard worker in my lab, collecting data AND keeping her space tidy; I have no idea how that is possible, but nice work Hannah!

FeAtHEr-Cm meets Star Wars

I have this little Star Wars lunch box, and just noticed that it is big enough to fit the Adafruit Feather along with my potentiostat featherwing. What does that mean? I have the most awesome Faraday cage!

Mini metal Star Wars lunch box hanging out with the bob173 potentiostat.
And voila! A Faraday cage… if I’m willing to drill holes in the case.

FeAtHEr-Cm in action – 1

We are several weeks into the semester, and my Instrumental Approach to Chemical Analysis students are knee deep in learning about instrument design and preparing their own potentiostats. None of my students had soldered before, and Jarrod gave me permission to share his performance with the world (so long as I mentioned that he’s wearing his Department of ENVIRONMENTAL science shirt to show off his true colors).

And here’s his completed bob173-gamma potentiostat.

Cold cat

So it’s been about 90 degrees in Brockport, and we have had to resort to closing up the house and turning on the AC. I don’t like setting the thermostat too low, and keep it between 74 and 76; however this is apparently too cold for Gimli:

I think he is just being dramatic.

Elemental diagrams

This tweet came through my feed today:

Twitter user @MeijaJuris noted that this image is a bit out of date, given that nihonium (element 113, Nh) shares its abbreviation with New Hampshire. I wanted to see how to use Mathematica to update the diagram.

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