In the Dionne lab at Stanford, a laser causes nanoparticles suspended in cyclohexane to emit light. The nanoparticles change color depending on the pressure around them and give real-time information about the forces they undergo. Credit: Alice Lay
Millimeter-long worms digesting a nanoparticle-laced meal of their favorite bacteria could eventually lead to a new way to see cellular forces at play within our own bodies, including processes like wound healing and cancer growth. The key is that these particular nanoparticles glow when struck by a near-infrared laser and change color depending on the pressure around them. So, they can give off real-time information about the forces they’re undergoing while they’re still inside the worm.
“Altered cellular-level forces underlie many disorders, i...
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