Biosensor for measuring stress in cells

Cancer, nervous system disorders such as Parkinson?s disease, cardiovascular disorders and old age have one thing in common: Both in afflicted tissue and in aging cells, scientists have observed oxidative changes in important biomolecules. These are caused by reactive oxygen molecules, including the notorious ?free radicals? that are formed as a by-product of cellular respiration and attack cellular proteins, nucleic and fatty acids.

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