Roland Piquepaille writes "Scientists at the National Institute of Standards and Technology (NIST) have created magnetic "tweezers" that let them manipulate individual biomolecules. This article from NIST Tech Beat, Controlling Biomolecules With Magnetic 'Tweezers', says it will help them to study "folding patterns and other biochemical details important in medical, forensic and other research areas." This overview contains more details and references about this research work. It also includes a diagram showing the concept of a magnetic trap for single-magnetic-bead manipulation in a microfluidic cell."
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