Researchers found that their biocompatible dots, when modified with a common polymer, effectively mimic the body’s own superoxide dismutase, one of many natural enzymes that keep oxidative stress in check.

But because the rapid production of reactive oxygen species (ROS) that race to heal an injury can overwhelm natural antioxidants, the team has been working for years to see if a quick injection of reactive nanomaterials can limit the collateral damage these free radicals can cause to healthy cells.

Free Press Journal (This article also appeared in the April 29 print edition.)

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