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Episode 156             Episode 158
Episode 157

DNA nanotechnology
Mon, 2017-Oct-09 01:10 UTC
Length - 2:54

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Welcome to featured Wiki of the Day where we read the summary of the featured Wikipedia article every day.

The featured article for Monday, 09 October 2017 is DNA nanotechnology.

DNA nanotechnology is the design and manufacture of artificial nucleic acid structures for technological uses. In this field, nucleic acids are used as non-biological engineering materials for nanotechnology rather than as the carriers of genetic information in living cells. Researchers in the field have created static structures such as two- and three-dimensional crystal lattices, nanotubes, polyhedra, and arbitrary shapes, and functional devices such as molecular machines and DNA computers. The field is beginning to be used as a tool to solve basic science problems in structural biology and biophysics, including applications in X-ray crystallography and nuclear magnetic resonance spectroscopy of proteins to determine structures. Potential applications in molecular scale electronics and nanomedicine are also being investigated.

The conceptual foundation for DNA nanotechnology was first laid out by Nadrian Seeman in the early 1980s, and the field began to attract widespread interest in the mid-2000s. This use of nucleic acids is enabled by their strict base pairing rules, which cause only portions of strands with complementary base sequences to bind together to form strong, rigid double helix structures. This allows for the rational design of base sequences that will selectively assemble to form complex target structures with precisely controlled nanoscale features. Several assembly methods are used to make these structures, including tile-based structures that assemble from smaller structures, folding structures using the DNA origami method, and dynamically reconfigurable structures using strand displacement methods. While the field's name specifically references DNA, the same principles have been used with other types of nucleic acids as well, leading to the occasional use of the alternative name nucleic acid nanotechnology.

This recording reflects the Wikipedia text as of 01:10 UTC on Monday, 09 October 2017.

For the full current version of the article, go to http://en.wikipedia.org/wiki/DNA_nanotechnology.

This podcast is produced by Abulsme Productions based on Wikipedia content and is released under a Creative Commons Attribution-ShareAlike License.

Abulsme Productions also produces Curmudgeon's Corner, a current events podcast where the hosts discuss whatever is hot in the news each week. Check it out in your podcast player of choice.

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