This is a magnified image of liquid crystals confined to spherical tactoids. Credit: Georgia Tech
A material used for coloring food items ranging from corn chips to ice creams could potentially have uses far beyond food dyes. The Georgia Institute of Technology researchers described how a class of water soluble liquid crystals, called lyotropic chromonic liquid crystals, exhibited unexpected characteristics that could be harnessed for use in sensors and other potential applications. “We were seeking to understand the aggregation and phase behavior of these plank-like molecules as a function of temperature and concentration,” said Karthik Nayani, a former Georgia Tech student who worked on the problem...
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