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Archive for April, 2012

Will piezoelectric graphene provide options for nanoscale manipulation?

Posted by Jim Lewis on April 25th, 2012

Calculations using density functional theory have demonstrated that graphene can be made piezoelectric by adsorbing atoms or molecules on one surface, or by adsorbing different atoms or molecules on each surface.

Gold nanostars shuttled to cancer cell nucleus to release drug

Posted by Jim Lewis on April 24th, 2012

Gold nanostars targeted to a protein over-expressed in most cancer cells are shuttled by that protein directly to the cancer cell nucleus where illumination with a laser light releases a drug that deforms the nucleus and kills the cell.

Mounting graphene on boron nitride improves its electronic properties

Posted by Jim Lewis on April 21st, 2012

Creating a superlattice by placing graphene on boron nitride may allow control of electron motion in graphene and make graphene electronics practical.

Nanoparticles reduce tumors in clinical trial

Posted by Jim Lewis on April 17th, 2012

Clinical trials in patients with advanced or metastatic tumors using targeted nanoparticles to deliver a standard chemotherapeutic drug showed tumor shrinkage, even in the case of cancers for which that drug is not normally effective.

The Nanocentury: Bringing Digital Control to the Physical World

Posted by Jim Lewis on April 16th, 2012

Christine Peterson will speak at Stanford University on August 8 on “The Nanocentury: Bringing Digital Control to the Physical World”.

Fast nanoscale 3D-printing (link to video)

Posted by Jim Lewis on April 12th, 2012

A new two-photon polymerization process enables fast printing of arbitrarily complex three dimensional objects with 100-nanometer resolution.

Nano for younger kids

Posted by Jim Lewis on April 6th, 2012

Nanotechnology outreach and education in Latin America, a buckyball toy, and a Swiss nanotechnology education kit featuring a Lego + laser model of an atomic force microscope

Webcast with Peter H. Diamandis on Abundance

Posted by Jim Lewis on April 6th, 2012

Foresight Advisor Peter H. Diamandis will make the case that the world is getting better at an accelerating rate in a webcast presented on April 11 by Singularity University. Registration required to participate.

Adding to the toolbox for making complex molecular machines

Posted by Jim Lewis on April 4th, 2012

A set of rationally engineered transcriptional regulators for yeast will make it easier to build complex molecular machine systems in yeast, some of which may become useful additions to pathway technologies for atomically precise manufacturing and productive nanosystems.

Nanotechnology-based sensor does rapid reads of single DNA molecule

Posted by Jim Lewis on April 1st, 2012

A combination of a molecular motor protein and a nanopore protein has been harnessed for rapidly sequencing single DNA molecules.