Engineers make nanoscale 'muscles' powered by DNA

The base pairs found in DNA are key to its ability to store protein-coding information, but they also give the molecule useful structural properties. Getting two complementary strands of DNA to zip up into a double helix ...

Performing cellular surgery with a laser-powered nanoblade

To study certain aspects of cells, researchers need the ability to take the innards out, manipulate them, and put them back. Options for this kind of work are limited, but researchers reporting May 10 in Cell Metabolism describe ...

Viscous nanopores collapse according to universal law

Viscous nanopores, tiny holes punctured in fluid membranes, collapse according to a universal law, a Purdue University study shows. The finding could improve the design of nanopores for fast, inexpensive DNA analysis and ...

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