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Brighter, Smaller Probes to Uncover the Secret Lives of Proteins

Berkeley Lab scientists create nanoparticle probes that may lead to a better understanding of diseases

Imagine tracking a deer through a forest by clipping a radio transmitter to its ear and monitoring the deer’s location remotely. Now imagine that transmitter is the size of a house, and you understand the problem researchers may encounter when they try to use nanoparticles to track proteins in live cells.

Understanding how a protein moves around a cell helps researchers understand the protein’s function and the cellular mechanisms for making and processing proteins. This information also helps researchers study disease, which at a cellular level may mean that a protein is malfunctioning, stops being made, or is sent to the wrong part of the cell. But nanoparticle probes that are too big can disrupt a protein’s normal activities. (more…)

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