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Biologists Construct Self-assembling Tiles of DNA
from the Los Angeles Times (Registration Required)
Harvard biologists have brought new meaning to the term "fine print" by devising microscopic tiles made of DNA that self-assemble into letters, Chinese characters, emoticons and other shapes.
More than mere doodling, their advance, detailed this week in the journal Nature, could make it easier and cheaper to build tiny DNA devices capable of delivering drugs or aiding the study of biochemistry, scientists said.
"This technique will accelerate the research field of DNA nanotechnology," said Ebbe Sloth Andersen, a researcher at Aarhus University in Denmark who collaborated on an editorial that accompanied the report.
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PODCAST & VIDEO: 3D Printing Replacement Body Parts
Regenerative medicine, a fledgling field with the aim of regrowing parts from a person’s own cells, is being amplified with 3D-printing technology, which can now use organic materials to create scaffolds that cells need to grow into their final forms. Richard Wysk, a professor of industrial and systems engineering at North Carolina State University, discusses the latest successes with this research, and the timeline for creating more complicated structures.
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