Human Cells As Charged As Lightning Bolts

University of Michigan researchers led by chemistry professor Raoul Kopelman encapsulated voltage-sensitive dyes in polymer spheres just 30 nanometers in diameter. Testing these nanoparticles in the internal fluid of brain-cancer cells, Kopelman found electric fields as strong as 15 million volts per meter, up to five times stronger than the field found in a lightning bolt. However, this discovery goes beyond being incredibly interesting; the finding will likely change the way researchers look at disease.

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