People Innovation Excellence

Nanosponges Soak Up Antibiotic-resistant Bacteria and Toxins

Researchers at the University of California, San Diego, have developed a nanoparticle that mimics a human blood cell so that it can circulate through our bloodstream soaking up bacterial infections and toxins. These so-called ‘nanosponges’ are expected to be particularly effective in treating bacterial infections that have developed an immunity to antibiotic treatments—and also for treating venoms from snake bites.

The nanosponges are made up of a biocompatible polymer core and covered by an outer layer of red blood cell membrane. With a diameter of 85 nanometers, the nanosponges are 3000 times smaller than a human blood cell, so in a single infusion of nanosponges into the blood stream they would easily outnumber the red blood cells, and thus intercept most of the attacking toxins before they damaged the actual blood cells. [Read More]


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