Team:UC Davis

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UC Davis iGEM 2014

OliView: An Enzyme Based Electrochemical Biosensor Developed for Olive Oil Quality Control

In a report conducted by the UC Davis Olive Oil Center, it was found that more than 65% of the extra virgin olive oil on shelves around the US is defective due to poor handling or deliberate adulteration with extraneous, non-beneficial oils. The most prevalent and identifying defect in olive oil is rancidity, indicating the absence of expected health benefits such as antioxidants and polyunsaturated fats. This summer, we engineered a biosensor capable of quickly and cheaply evaluating rancidity defects in the chemical profile of olive oil, providing both consumers and retailers with a means of ensuring product quality.

Protein Engineering

Learn about how we engineered substrate specificity of Aldehyde Dehydrogenases and how we characterized specificity profiles.

Electrochemistry

Take a look at how we developed a robust, coupleable electrochemical system to enable detection of various aldehydes in solution.

Signal Processing

Take a look at the potentiostat and corresponding software we developed to acquire and process our data.

Results

Here's the criteria that we met for this year's team.