Scientists from the University of Illinois have developed photonic crystal biosensors that would contribute a great deal to drug development, by detecting DNA-protein interactions. The physical setup of the biosensors include a low RI (refractive index) polymer grating that has an outer film coating of high RI Titanium Oxide. Above the film sits a standard microplate with 384 wells. Essentially, each well will have a biosensor at its base and will act like a test tube where DNA-protein reactions are studied.
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