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Chemistry World January 3, 2013 Laura Howes |
Hunted becomes the hunter in DNA ecosystem Scientists in Japan have modelled a biological ecosystem containing a predator and a prey using nothing more than short pieces of DNA. The 'striking' similarity between the molecular system and biological ecosystems suggests a new use for these biochemical oscillators. |
Technology Research News June 29, 2005 |
Self-assembly: the natural way to make things In biology, there are a few different ways DNA molecules can be replicated and combined. |
Chemistry World November 13, 2015 Cathy Sorbara |
Hitching a ride on DNA In the congested intracellular environment, scientists in the Netherlands and the US have found a way for molecules to maneuver through the crowds and arrive at their destination faster. |
Chemistry World February 28, 2010 Jon Cartwright |
Reactions on DNA origami watched with AFM Chemists in Denmark have for the first time imaged chemical reactions on a DNA origami scaffold so that they can precisely attach single molecules, involving atomic force microscopy. |
Chemistry World June 18, 2009 Lewis Brindley |
Chemical speed-dating even faster Researchers in the US have adapted a DNA amplification technique to develop a simpler way to rapidly screen chemical reactions. |
Chemistry World June 1, 2012 Philip Ball |
Turing patterns During his tragically short life that began 100 years ago, Alan Turing wrote only one paper about chemistry. Turing showed how chemical reactions can create patterns. |
Technology Research News April 6, 2005 Kimberly Patch |
Programmed DNA Forms Fractal A researcher has showed that it is possible to coax short strands of artificial DNA to spontaneously assemble into a Sierpinski triangle. The ability is a step toward embedding programming instructions in chemical processes. |
PC World February 1, 2002 Kuriko Miyake |
Olympus Unveils DNA Computer Rather than relying on a microprocessor, computer runs on reactions between fragments of DNA... |
Chemistry World January 2012 |
DNA motors on With the relentless rise of DNA nanotechnology's popularity, Emma Davies explores the role chemistry has played in its success |
Chemistry World February 25, 2014 Philip Ball |
Computational chemicals In a highly prescient book, Jean-Marie Lehn remarked that the increasing complexity of synthetic chemical systems should one day extend to 'chemical "learning" systems that ... can be trained. |
Technology Research News December 29, 2004 |
DNA Makes and Breaks Particle Clumps Nanotechnology is all about manipulating materials on the molecular scale. Many teams of researchers are using artificial strands of DNA to do so. |
Reactive Reports Issue 54 David Bradley |
Hula-Hoop DNA Amplification Periodic nanostructures made of gold nanoparticles and long DNA strands with repeated sequences have been prepared by using a technique known as "rolling circle amplification" or the "hula-hoop" technique. |
Chemistry World October 24, 2012 |
Less is more for DNA reactions A technique allowing the use of small amounts of DNA for efficient DNA-directed chemistry has been developed by scientists in Germany. |
Chemistry World November 16, 2006 Simon Hadlington |
Gene-Reading Enzyme Catapulted by Scrunch Power Two teams of researchers have solved a conundrum that has baffled molecular biologists for 20 years -- how the enzyme responsible for `reading' genes can release itself from the portion of DNA to which it initially binds extremely tightly. |
Chemistry World January 2007 Philip Ball |
Opinion: The Crucible How did the leopard get its spots? Recent research supports an idea first suggested by legendary code-breaker and British mathematician Alan Turing. |
Technology Research News August 10, 2005 |
DNA process stamps patterns DNA's ability to connect matching strands is at the heart of a stamp that promises to bring mass production to the nanoscale. |
Technology Research News August 22, 2005 |
DNA Technologies The versatile DNA molecule has proven to be a powerful technological building block. Researchers have developed ways of combining DNA molecules that allow them to carry out computations in test tubes and create two-dimensional patterns and three-dimensional structures at the nanoscale. |
Technology Research News July 28, 2004 |
Chemistry yields DNA fossils The technique could be used to make nanoscale containers, wires, patterns, and chemical catalysts. |
Technology Research News April 23, 2003 Kimberly Patch |
DNA motor keeps cranking Researchers have been making DNA perform all sorts of shape-changing tricks in recent years, but the need to add pieces of DNA at every step has made it a bit of a stretch to call these molecules motors. A method that keeps the process humming changes things. |
Chemistry World February 2012 |
Column: The crucible To understand the chemical choreography of the cell, we must acknowledge the bustling biomolecular ballroom in which it takes place, says Philip Ball |
Technology Research News July 2, 2003 Kimberly Patch |
DNA makes nano barcode Sheets of DNA that form a barcode pattern could make reading answers generated from DNA computing a lot easier. The method may also make it possible to construct electronics components molecule-by-molecule. |
Chemistry World November 21, 2011 David Bradley |
Zombie reaction returns from the dead An oscillating reaction that apparently stops after 10 hours, but is then resurrected spontaneously several hours later, has been discovered by a group of chemistry students at the Mito Dai-ni senior high school in Ibaraki, Japan. |
Chemistry World October 10, 2010 Andy Extance |
DNA strides into organic synthesis US scientists have used a DNA walker to synthesise an organic molecule in a series of steps, without intervention, for the first time. |
Chemistry World April 19, 2012 Andy Extance |
Polymers perform non-DNA evolution Scientists have found that six polymer alternatives to DNA can pass on genetic information, and have evolved one type to specifically bind target molecules. |
HHMI Bulletin Spring 2013 Sarah C.P. Williams |
Sounding the Alarm Details on how cells detect and respond to foreign DNA may provide clues to autoimmune diseases. |
Chemistry World December 5, 2012 Phillip Broadwith |
Chemical reactions in hot water Chinese and Japanese chemists have highlighted hot water's ability to promote unexpected reactions without any other reagents or catalysts. The work should expand our understanding of how to harness the physicochemical properties of water to potentially replace more complex reagents and catalysts. |
Chemistry World May 12, 2010 Mike Brown |
Molecular robots on nano-assembly lines Teams of automated programmable molecular robots working together on nanoscale assembly lines is one step closer, say scientists in the US. |
Technology Research News June 15, 2005 Kimberly Patch |
DNA Machine Links Molecules Researchers have fashioned a nanomechanical device from DNA that can be programmed to align a series of molecules and fuse them together. The technique could potentially be used to put together designer polymers, encrypt information, and carry out computations. |
Chemistry World November 29, 2010 James Mitchell Crow |
DNA readers ratchet closer Rapid, cheap DNA sequencing has just edged a step closer, thanks to a new technique to control the motion of single DNA strands as they pass through a protein nanopore 'reader'. |
Chemistry World May 15, 2006 Jon Evans |
Selective DNA Crystals A molecular biologist has developed a molecular sieve using a DNA crystal with nanoscale channels. |
Chemistry World August 2008 |
Column: The crucible If DNA polymerisation is reversible, why don't we end up with some static equilibrium? |
Chemistry World January 30, 2011 Mike Brown |
Electrons charge down DNA molecular wire US researchers have shown for the first time that a 34nm long DNA strand can be used as a molecular wire to conduct electricity. |
Chemistry World June 23, 2015 Philip Ball |
Ultra-bright x-rays film molecular reaction A team working at the Stanford Linear Collider in California claims to have made 'the first molecular movie' using ultra-fast x-ray scattering from molecules as they undergo a chemical reaction. |
Chemistry World March 14, 2012 James Urquhart |
Catalysis at the flick of a switch German researchers have created a molecular nanoswitch that can be reversibly and repeatedly turned on and off to control a chemical reaction. |
Technology Research News August 13, 2003 |
Molecule makes ring rotor Researchers from the University of Edinburgh in Scotland have interlocked large, ring-shaped molecules to make a molecular rotor that moves in only one direction. The molecule could eventually be used as a nanoscale motor or winch. |
Chemistry World January 30, 2008 Jonathan Edwards |
DNA Helps Nanoparticles Crystallize Two papers in Nature have each shown a simple way to build designer crystals from nanoparticles, using DNA as 'glue'. Both methods show promise as a cheap way of mass-producing complex materials like photonic crystals. |
Chemistry World May 6, 2009 Phillip Broadwith |
Nano-boxes from DNA origami Danish researchers have made a nano-sized box out of DNA that can be locked or opened in response to 'keys' made from short strands of DNA. |
Technology Research News November 3, 2004 Smalley & Patch |
DNA Machines Take a Walk Researchers working to form nanoscale machines and materials are increasingly tapping into nature's building blocks. |
Chemistry World April 16, 2014 Jennifer Newton |
DNA cube programmed for an exclusive reveal Scientists in Canada have made DNA cubes that are programmed to unzip and reveal molecules locked inside them in response to a carefully chosen trigger. |
Technology Research News March 24, 2004 |
DNA has nano building in hand Researchers from Ludwig Maximilians University in Germany have built a simple molecular machine from DNA that can bind to and release single molecules of a specific type of protein. |
Chemistry World January 31, 2008 Michael Gross |
A DNA Crane for Molecular Building Sites Researchers in Germany have developed a DNA-based crane that can pick up molecules from a depot and deposit them precisely at a target site. |
HHMI Bulletin February 2012 Sarah C. P. Williams |
Force Factor In the context of cells, forces are required to move molecules. Quantifying these forces gives scientists a way to compare and contrast different molecular motors. |
Chemistry World September 15, 2014 Victoria Richards |
A chemical time capsule Inspired by tree rings, scientists have designed a sensing device that records chemical information over time as spatial patterns. |
Chemistry World March 4, 2015 Thadchajini Retneswaran |
Computational chemists unpick adenine -- thymine bias A chemical model has been created to investigate the evolution of guanine -- cytosine coding regions and found that certain spontaneous mutations are more likely to arise at specific regions of DNA. |
Chemistry World April 18, 2010 Simon Hadlington |
First DNA rotaxane Rotaxanes are dumbbell-shaped molecules encircled by a molecular hoop that can move unhindered along the axle, trapped by the bulky stoppers at either end. These could be useful components in molecular machines. |
Chemistry World January 12, 2015 Emma Stoye |
DNA origami makes moving machines Carlos Castro's group at Ohio State University, US has engineered DNA 'machines' that can open and close like hinges, as well as perform more complicated movements in three dimensions |
HHMI Bulletin Feb 2011 |
DNA Curtains How proteins behave in such a crash test gives scientists data about their structural integrity, how they attach to DNA, and how they behave in a cell. |
Technology Research News October 22, 2003 Kimberly Patch |
DNA forms nano waffles A method for stitching together strands of DNA yields microscopic waffled sheets and ribbons. The nanostructures make handy building materials that could help bridge the huge technological chasm between the realm of molecules and the merely microscopic. |
Chemistry World October 13, 2015 Simon Hadlington |
DNA movement through motor proteins measured Researchers have adapted a method for DNA sequencing to measure directly and with exquisite sensitivity the movement of a single molecule of DNA as it is drawn through specialized motor proteins. |
Chemistry World January 2010 Philip Ball |
Welcome to the machine Molecular machines have promised so much but are they more whimsical than technical? |