Do you see other uses of this kind of biosensor

There is a whole list of applications. One other area of interest is to detect, in newborns, the potential of jaundice before its onset. The new mother and baby would leave the hospital and a biosensor patch would be placed on the child's arm. If any signs of jaundice would appear when the child is at home, the patch, which monitors a biomolecule called bilirubin, would signal an alert. In this way, you would catch the jaundice earlier and then proceed with medical care. The patch would perform the sensing without pain, unlike current methods that involve inserting a heel stick to draw blood from the newborn's heel.

What advice would you give young people who would like a career in biomedical research developing biosensors and other microdevices for diagnostics?

In high school, there is not much overlapping of subjects between the various science disciplines. However, at the college level, and in the real world, there is a lot of interaction and collaboration that takes place between people who have various backgrounds in physics, chemistry, biology, mathematics, and engineering. You do not need to be an expert in everything. You can have your own expertise in one subject but always consult others in different fields to see what else can be done.

You can watch a short film of Prof. Paranjape and the GAEL lab where the biosensor device is produced. The film is called, Monitoring Blood Glucose Without Pain or Blood. The Web site is: http://college.georgetown. edu/research/molecules/14887.html

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