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Archive for the 'Reviews' Category

Molecular arm grabs, transports, releases molecular cargo

Posted by Jim Lewis on January 12th, 2016

A molecular robotic arm synthesized from small synthetic organic molecules uses cyclic changes in pH and other reaction conditions to grab and release a cargo molecule, and swing the cargo back and forth between the two ends of the molecular platform.

Review of artificial molecular machines and their controlled motions

Posted by Jim Lewis on September 18th, 2015

An extensive review of artificial molecular machines, their large-amplitude motions, and the changes these motions produce, emphasizes small molecules and the central role of chemistry in their design and operation.

Addressable molecular machines arranged in a porous crystal

Posted by Jim Lewis on September 10th, 2015

Simple molecular switches based upon bistable mechanically interlocked molecules can be incorporated within pre-assembled metal organic frameworks and addressed electrochemically.

Overview of molecular machines documents recent progress

Posted by Jim Lewis on September 4th, 2015

A review of molecular parts that act as switches, motors, and ratchets illuminates similarities between artificial and biological molecular machines and argues that useful applications are coming.

Science and technology roadmaps for nanotechnology

Posted by Jim Lewis on May 3rd, 2015

A European Science and Technology Roadmap for Graphene, Related Two-Dimensional Crystals, and Hybrid Systems hints at the opportunities to be harvested from, and the need for, the development of atomically precise manufacturing (APM).

Designing mechanical functions into DNA nanotechnology

Posted by Jim Lewis on March 3rd, 2015

An overview of three decades of progress in DNA nanotechnology emphasizes bringing programmed motion to DNA nanostructures, including efforts to incorporate design principles from macroscopic mechanical engineering.

A bird's-eye view of half a century of nanotechnology

Posted by Jim Lewis on May 7th, 2014

Reviewing Eric Drexler’s Radical Abundance, Phil Bowermaster provides an informed and insightful overview of the controversies that greeted the proposal for a nanotechnology aimed at developing a practical technology for atomically precise manufacturing. Along the way he shows how Drexler’s outlook evolved from 1986 to 2013.

Open Access journals for nanotechnology and other topics

Posted by Jim Lewis on December 19th, 2013

A collection of open access journals on a variety of topics provides a very useful entry point to the rapidly growing collection of scientific, technical, and scholarly research that is not hidden behind pay walls.

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.

Reviews of DNA nanotechnology-atomically precise microscale objects

Posted by Jim Lewis on July 9th, 2013

Two open access reviews portray the widening approach of DNA nanotechnology toward more complex atomically precise systems.

Review of molecular machines for nanotechnology

Posted by Jim Lewis on October 5th, 2012

A brief article reviews several types of molecular machines that chemists have built to mimic biology and provide movement for future types of nanotechnology.

Arrays of artificial molecular machines could lead to atomically precise nanotechnology

Posted by Jim Lewis on December 29th, 2011

A tutorial review available after free registration presents a theory-based exploration of the difficulty in moving from simple molecular switches to arrays of artificial molecular machines capable to doing substantial, useful external work.

Tutorial review of the promise of artificial molecular machines

Posted by Jim Lewis on December 11th, 2011

A tutorial review addresses the distinction between the many simple artificial molecular devices that are currently available and truly effective artificial molecular machines that would mimic the ubiquitous molecular machines present in living systems.

Molecular information theory points to robust molecular communications

Posted by Jim Lewis on August 4th, 2011

Those interested in issues of communication at the nanoscale will be interested to learn that the first volume of the new journal Nano Communication Networks, from Elsevier, edited by Ian Akyildiz, is available free of charge. The volume comprises four issues dated March through December of 2010. Just to pick one article out of dozens [...]

New book on molecular machines

Posted by Jim Lewis on June 20th, 2011

A new book collects the papers and discussions from the 2007 Solvay Conference “From Noncovalent Assemblies to Molecular Machines”.

Advance could speed RNA nanotechnology

Posted by Jim Lewis on January 20th, 2011

RNA nanostructures chemically modified to be resistant to degradation retain 3D structure and biological activity.

Update and summary of potential applications of medical nanorobotics

Posted by Jim Lewis on January 10th, 2011

Robert A. Freitas Jr. has made available his chapter on nanorobotics from the book The Future of Aging.

How graphene could complement or replace silicon in electronic applications

Posted by Jim Lewis on November 22nd, 2010

A review article presents the amazing features of graphene and discusses how it might complement or replace silicon for the fabrication of electronic devices.

Toward molecular level data storage with nanotechnology

Posted by Jim Lewis on November 18th, 2008

British scientists are investigating telescoping carbon nanotubes as a nanotech replacement for current computer memory technologies.

New nanotechnology journal is open access through 2008 and 2009

Posted by Jim Lewis on September 24th, 2008

A new nanotechnology journal titled Nano Research published by Tsinghua/Springer is now available at The journal is published monthly, and will be open-access in 2008 and 2009. The Editors-in-Chief are Hongjie Dai, Stanford University, USA, and Qikun Xue, Tsinghua University, Beijing, China. A glance at the Editorial Board reveals many researchers frequently cited in [...]