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Archive for February, 2008

New microscope provides an important quality control tool for nanotechnology

Posted by Jim Lewis on February 29th, 2008

A new type of electron microscope allows nanotech researchers to look at the nanostructures they produce and identify individual atoms and how they are bonded to other atoms.

Many companies trying to treat cancer using nanotechnology

Posted by Jim Lewis on February 28th, 2008

In “Nanotech Puts Cancer In The Cross Hairs” at Forbes.com, Josh Wolfe describes the approaches of a number of companies developing nanotechnology-based treatments for cancer. Although only a snapshot of an area of intense activity, this overview highlights a number of the important issues. Unfortunately, when it comes to treating cancer, modern medicine is still [...]

LA Times features nanotechnology debate

Posted by Christine Peterson on February 27th, 2008

All this week, NanoBusiness Vice President Aatish Salvi debates nanotechnology with the Center for Technology Assessment’s George Kimbrell over at the LA Times online. An excerpt from the former: Realizing the benefits of nanotechnology will take time. That should come as no surprise. Nanotech is trying to solve some of the hardest and most meaningful [...]

Measuring the force to push a single atom deepens understanding of nanotechnology

Posted by Jim Lewis on February 27th, 2008

By combining the features of a scanning tunneling microscope (STM) and an atomic force microscope (AFM)–two of the most useful nanotech tools–in a single instrument, IBM scientists have measured the forces necessary to move single cobalt atoms and single carbon monoxide molecules across metal surfaces.

Building chips with DNA nanotechnology

Posted by Jim Lewis on February 26th, 2008

Researchers at IBM are developing DNA nanotechnology to assemble nanoelectronic components into arrays in a bid to replace current lithographic methods of making computer chips.

Nanotechnology may provide a way to deliver drugs to cartilage to treat osteoarthritis

Posted by Jim Lewis on February 25th, 2008

A properly sized nanoparticle linked to a peptide that binds specifically to cartilage proved an effective drug delivery method when injected into the knees of mice.

Fundamental advance in understanding RNA folding may advance use of RNA building blocks for nanotechnology

Posted by Jim Lewis on February 22nd, 2008

Stanford University scientists have achieved new, detailed understanding of how a polymer folds into a unique three-dimensional structure by using an “optical trap” to precisely unfold a functional RNA molecule.

Proteins covalently attached to carbon nanotube tips provide new tool for nanotechnology

Posted by Jim Lewis on February 21st, 2008

Japanese scientists have succeeded in chemically attaching proteins specifically to the tips of multiwalled carbon nanotubes, avoiding contaminating attachments to the sides of the nanotubes.

Scanning probe tip arrays for denser, faster, cheaper memories through nanotechnology

Posted by Jim Lewis on February 20th, 2008

Among the most useful tools for nanotechnology are various scanning probe tips for surface modification.

Top-down nanotechnology reaches downward

Posted by Christine Peterson on February 19th, 2008

An interview by Nanotechnology.com of the director of the Center for Nanoscale Chemical-Electrical-Mechanical Manufacturing Systems got our attention. I’d give you a URL for this interview but it doesn’t seem to be on the web, only in email. An excerpt: The molecular gate toolbit: This is a toolbit that uses efficient electrokinetic transport in long [...]

Nanotechnology in clothing harvests energy from the wearer’s movements

Posted by Jim Lewis on February 19th, 2008

Fibers made from zinc oxide nanowires can generate electrical current from low frequency mechanical motion, like body movements.

European Commission adopts Code of Conduct for Responsible Nanotechnology

Posted by Jim Lewis on February 18th, 2008

After several months of public consultation, the European Commission has announced a Code of Conduct for Responsible Nanosciences and Nanotechnologies Research.

Nanomanufacturing conference: get your Foresight discount

Posted by Christine Peterson on February 15th, 2008

SME has let us know that Foresight members get a discount to their upcoming Nanomanufacturing conference in the Boston area on April 22-23, which features three sessions of special interest: Understanding Nanotechnology, workshop led by Tihamer Toth-Fejel of General Dynamics, to cover topics including: brief history of nanotechnology, taxonomies and roadmaps, near-term passive structures, medium-term [...]

A nanotechnology based upon writing in 3D produces long fibers and complex structures

Posted by Jim Lewis on February 15th, 2008

As a step toward advanced nanotechnology, general methods for producing complex nanoscale structures in three dimensions are useful stepping stones from current nanotech to atomically precise functional nanosystems.

Nanotechnology: Quantum drums might aid in designing nano-electronic circuits or quantum computing

Posted by Jim Lewis on February 13th, 2008

In a virtuoso demonstration of nanotechnology, researchers used a scanning tunneling microscope (STM) to build walls of carbon monoxide molecules to confine electrons on a copper surface so that they resonate like a drum.

Faster structure determinations to benefit nanotechnology

Posted by Jim Lewis on February 13th, 2008

Two stories report new tools that should accelerate nanotech development by providing scientists with faster determination of molecular structures.

U.S. seen as more open to nanotechnology than Europe

Posted by Christine Peterson on February 12th, 2008

Reason magazine, which generally takes positions in favor of technology and free enterprise, has a cover story on nanotechnology (full text not posted yet, check link later) which speculates that the U.S. may be more open to nanotech than Europe: In the U.S., despite our flirtation with paranoia about biotech and our routine panics over [...]

Nanotechnology produces an analog radio made from carbon nanotubes

Posted by Jim Lewis on February 12th, 2008

This nanotech electronic device is not nanoscale, but all of the transistors are made from parallel arrays of thousands of nanotubes to demonstrate the potential of single-walled carbon nanotubes in advanced electronics.

Maximizing benefits, minimizing downsides of nanotechnology

Posted by Christine Peterson on February 11th, 2008

Longtime Nanodot readers and Foresight members know that our goal here at Foresight is to maximize the benefits and minimize the downsides of nanotechnology. Our friends over at the Wilson Center’s Project on Emerging Nanotechnologies share that goal, as shown in their mission statement: The Project is dedicated to helping ensure that as nanotechnologies advance, [...]

Precisely controlled electron beam provides top-down approach to molecular nanotechnology

Posted by Jim Lewis on February 11th, 2008

French nanotech researchers have used theory to increase the precision of carving with electron beams enough to remove individual atoms from single walled carbon and boron nitride nanotubes.