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Archive for the 'Nano' Category

Using DNA nanotechnology to cast arbitrarily shaped nanoparticles

Posted by Jim Lewis on November 11th, 2014

Metal or other inorganic nanoparticles of 20 to 30-nm scale can be cast in arbitrary 3D shapes and configurations dictated by stiff, atomically precise molds constructed using scaffold DNA origami.

Grant program to support nanotechnology and other infrastructure

Posted by Jim Lewis on October 25th, 2014

The US National Science Foundation announced a new grant program to develop and apply next-generation networking to advance nanotechnology and other emerging technologies to meet important national needs.

Light-driven molecular flapping emits white light

Posted by Jim Lewis on October 10th, 2014

A phosphorescent molecule is made to flap like a butterfly when absorbed light shortens the distance between two platinum atoms.

Foresight Directed/Programmable Matter for Energy Workshop

Posted by Jim Lewis on October 10th, 2014

A small, interactive group of invited experts gathered in Palo Alto recently to discuss prospects for revolutionary advances in energy storage, transmission, and generation through nanotechnology.

Tailoring the shapes of organic molecules by assembly-line synthesis

Posted by Jim Lewis on October 3rd, 2014

To emulate the process by which nature assembles complex organic molecules by passing subunits through a series of enzyme domains, UK chemists developed a procedure to elongate a boronic ester by using a reagent that inserts into carbon-boron bonds with precise control of molecular configuration.

Nanomanufacturing grants available from US National Science Foundation

Posted by Jim Lewis on September 27th, 2014

The US NSF has announced a program to support fundamental research leading to complex nanosystems.

DNA nanotechnology and the atoms to micrometer nanofabrication gap

Posted by Jim Lewis on September 26th, 2014

A new DARPA program seeks to bridge the gap from atoms to macroscale product manufacture in two steps, the first of which is from atoms to micrometer-scale feedstocks. DNA origami may be part of the solution.

Scaffolded DNA origami improvements advance DNA nanotechnology

Posted by Jim Lewis on September 25th, 2014

A 10-fold larger breadboard and 350-fold lower DNA synthesis costs make DNA origami a more useful stepping-stone toward atomically precise manufacturing.

Novel multifunctional nanoparticle for diagnosis and therapy

Posted by Jim Lewis on September 14th, 2014

A nanoparticle that self-assembles from porphyrin, cholic acid, amino acids, and polyethylene glycol is a promising vehicle for delivering both imaging agents and cancer drugs to tumors.

Proof of principle for nanoscale assembly line

Posted by Jim Lewis on September 2nd, 2014

Swiss researchers have used biomolecular shuttles to capture molecular building blocks from solution and transport them across fluid flow boundaries to be further manipulated in a subsequent chamber.

DARPA announces new program on nanoscale assembly and integration

Posted by Jim Lewis on September 1st, 2014

Register by Sept. 5 to attend a Proposers Day webinar on either Sept. 9 or 11 to learn the technical objectives of DARPA’s new “Atoms to product: Aiming to make nanoscale benefits life-sized” program.

What kind of nanomachines will advanced nanotechnology use?

Posted by Jim Lewis on August 31st, 2014

An interview with UK nanotechnologist Richard Jones argues that the surest and most efficient path to advanced nanomachine function will incorporate or mimic biomolecular nanomachinery rather than scaled down rigid conventional machinery.

Seeing and touching a single synthetic molecular machine

Posted by Jim Lewis on August 24th, 2014

Attaching a 200-nm-diameter magnetic bead to a 1-nm diameter synthetic molecular machine allowed optical visualization of the motion of the machine and manipulation with a magnetic tweezers.

Nanotechnology-based next generation memory nears mass production

Posted by Jim Lewis on August 10th, 2014

Rice University’s breakthrough nanoporous silicon oxide technology for resistive random-access memory (RRAM) appears poised for commercialization.

Emergence of nanobiotechnology points to importance of deep collaboration

Posted by Jim Lewis on August 8th, 2014

Study shows more than 500 firms involved in nanobiotechnology, which is expected to soon triple in size. Research points to the importance of broad networks and deep collaborations.

Biotech lab in the cloud lowers entry barrier to nanotech research

Posted by Jim Lewis on August 5th, 2014

With biotech fundamental to several paths to advanced nanotechnology, a way to do biotech experiments in the cloud offers small groups the chance to quickly test their ideas.

Building biological molecular machines as an open source path to advanced nanotechnology

Posted by Jim Lewis on July 24th, 2014

B.R.AI.N.S., Berkeley BioLabs, and Foresight Institute to build an open source biological parts repository and design and distribute a line of “How-to Build Biological Machines” educational kits.

The NNI Debate of 2014

Posted by Stephanie C on July 11th, 2014

Just when it seemed like debate over the National Nanotechnology Initiative was a thing of the past (see Foresight’s disappointment in 2008 here), disagreements regarding re-authorization and budget cuts are prompting politicians and researchers to take a detailed look at what the program supports and what it is achieving. Witnesses to the House Research Subcommittee [...]

The atomically precise manufacture of quantum dots

Posted by Jim Lewis on July 5th, 2014

Using an STM to precisely position indium adatoms on an indium arsenide surface, nanotechnologists have created a series of atomically precise quantum dots, and joined them with atomic precision to make quantum dot molecules, opening new avenues to construct practical quantum devices for computing and other applications.

Lipid coat protects DNA nanorobot from immune attack

Posted by Jim Lewis on July 5th, 2014

Enveloped DNA nanostructures were developed to escape attacks from nucleases and the immune system, opening a path to ever more sophisticated DNA nanomedical devices.