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Archive for the 'Nanoscale Bulk Technologies' Category

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.

Tunable Assembly of Nanoparticles for (Photovoltaic) Devices

Posted by Stephanie C on August 13th, 2014

Photovoltaics are an interesting case where atomic precision is not necessary to achieve potentially dramatic global impacts. Even an “ok efficiency” device that is easy to manufacture with reduced environmental hazard could have significant beneficial effects on energy resources and on device fabrication processes (which could, in turn, contribute to developments toward APM). The struggle [...]

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.

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 [...]

Novel properties for nanotechnology rebar-graphene reinforced with carbon nanotubes

Posted by Jim Lewis on June 9th, 2014

Carbon-containing functional groups decorating carbon nanotubes decompose upon heating on copper foil to form a nanotube-reinforced graphene with novel properties that mimic those of expensive indium-tin-oxide.

Nanotechnology to provide efficient, inexpensive water desalination

Posted by Jim Lewis on May 12th, 2014

Two different nanotechnology-based approaches to use graphene as the basis for purification and desalination of water look promising.

Nanotechnology to provide better solar cells, optical devices

Posted by Jim Lewis on May 9th, 2014

A novel method to control the configuration of atoms in semiconductors grown on graphene will make possible a vast array of new optical devices, including better solar cells.

To fight inflammation nanoparticles turn 'naughty' neutrophils into 'nice' neutrophils

Posted by Jim Lewis on May 1st, 2014

By targeting the protein that attaches a type of immune cell called neutrophils to blood vessel walls where they cause serious tissues damage, the neutrophils are released and returned to the circulation to resume their normal functions.

Novel nanoparticle efficiently silences gene expression in liver cells

Posted by Jim Lewis on April 29th, 2014

RNA interference provides potential cures for various diseases by silencing the expression of specific genes in specific organs, but delivering the RNA molecules to the right place is very difficult. A novel nanoparticle provides unprecedented efficiency in silencing target genes in liver cells.

Physicists suppress 'stiction' force that bedevils microscale machinery

Posted by Jim Lewis on April 19th, 2014

A possible top-down path to atomically precise manufacturing that passes through microscale machinery might be rendered easier because of recent progress in suppressing the Casimir force, which contributes to the ‘stiction’ problem often encountered with microelectromechanical systems.

US government report highlights flaws in US nanotechnology effort

Posted by Jim Lewis on April 1st, 2014

The concern of the US GAO for a gap in nanomanufacturing is well-placed, but it is only half of the problem with the limited US vision of the impact of nanotechnology on the future world economy.

Programmable nanoprocessors integrated into a nanowire nanocomputer

Posted by Jim Lewis on March 30th, 2014

Pioneering a design and fabrication strategy to address individual nanoscale electronic devices to enable large-scale assembly into integrated computer circuits, a MITRE-Harvard team has assembled a functional nanoelectronic control computer.

Notes on 2014 Foresight nanotechnology conference

Posted by Jim Lewis on March 7th, 2014

A “sense of energy, momentum, and collegiality throughout the weekend” united attendees hearing about the integration of nano-engineered devices and materials into more complex systems, and the integration of nanoscale technologies into diverse applications.

In mice, nanoparticle reduces inflammation in atherosclerotic plaques

Posted by Jim Lewis on March 5th, 2014

A reconstituted high-density lipoprotein nanoparticle reduces inflammation in advanced atherosclerotic plaques in mice. Will it work in humans to prevent repeat heart attacks and stroke?

Advanced technologies by design

Posted by Stephanie C on December 16th, 2013

Design and prediction are integral to Atomically Precise Manufacturing and its development. This is in part because fully functional APM can be readily explored computationally today, to levels of precision that cannot be experimentally developed today. In such a context, design is not just a resource but an approach. With rapidly expanding computational power, examples [...]

Nanotrain uses molecular motors and DNA nanotechnology controls

Posted by Jim Lewis on December 2nd, 2013

Using DNA nanotechnology to control and organize molecular motors and the molecular tracks that they run on, a novel nanotrain transports molecular cargos tens of micrometers.

Upcoming Book Explores Nanomedical Device and Systems Design

Posted by Jim Lewis on November 21st, 2013

A new book by Frank Boehm explores the challenges, possibilities, and visions of nanomedical device and systems design.

Graphene nanoribbon senses passage of individual bases of DNA

Posted by Jim Lewis on November 19th, 2013

A nanoribbon transistor no thicker than the distance between adjacent DNA bases provides high resolution sensing of DNA passage through nanopores, perhaps leading eventually to rapid DNA sequencing.

Nanoparticle therapy for incurable brain cancer effective in mice

Posted by Jim Lewis on November 15th, 2013

Gold nanoparticles densely coated with RNA molecules intended to silence a gene essential for an incurable brain cancer proved effective in mice engrafted with human glioblastoma multiforme tumor.