Luminous cells from jellyfish could diagnose cancers deep within human body

Scientists have developed a process that uses the luminous cells from jellyfish to diagnose cancer tumors deep within the human body. The researchers have used an altered form of the green fluorescent protein (GFP) so that it shows up as red or blue, rather than its original green. Color is important in disease diagnosis, as most colors in the spectrum are rapidly absorbed, and tumors deep within the body become invisible.

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