Similar Articles |
|
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 |
Technology Research News November 3, 2004 Kimberly Patch |
DNA in nanotubes sorts molecules Researchers have made a synthetic membrane that recognizes certain biochemical molecules and allows them to pass through. The method could be used to make biological sensors like those needed for genetics research, and to sort biological molecules, |
Technology Research News January 29, 2003 Kimberly Patch |
Tiny hole guides atoms against tide Researchers in Poland have made a synthetic device that uses an electrical field and an extremely small, conical pore in a thin film of material to coax potassium ions through the artificial membrane against their electrochemical potential. |
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. |
Chemistry World August 12, 2011 Manisha Lalloo |
Unraveling cell membranes to understand drugs Researchers in Sweden have found a way to create flattened cell membranes, known as supported lipid bilayers, out of real cell structures. |
Chemistry World September 7, 2008 Simon Hadlington |
Coupled proteins to reveal drug hits Researchers in France have successfully attached an 'electrical switch' to a key class of membrane proteins targeted by many drugs. |
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. |
Chemistry World April 30, 2009 Nina Notman |
Long live lipid membranes Scientists in the US have massively extended the lifetime of lipid membranes, with potential implications for the pharmaceutical industry |
Scientific American July 3, 2006 Jeneen Interlandi |
An Immune Portal Protein may be a key to autoimmune disorders |
Chemistry World February 3, 2010 Lewis Brindley |
DNA origami goes large US researchers have found a way to scale up DNA origami into larger structures by using 'tiles' instead of 'staples' to pin them in place. |
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. |
Chemistry World July 4, 2008 Emma Davies |
Creating a Second Genetic Code Japanese researchers have made artificial DNA that acts like the real thing, even forming right-handed duplexes with complementary artificial strands. |
Chemistry World November 29, 2012 David Bradley |
Lego-like DNA bricks are child's play DNA building blocks have been pieced together to form a multitude of Lego-like bricks by researchers at Harvard University and Massachusetts Institute of Technology in the US. |
Chemistry World March 9, 2011 Simon Hadlington |
Chemical mystery of antifungal compound solved US researchers have applied synthetic organic chemistry to crack a mystery that has baffled scientists for more than 50 years: how the powerful, naturally occurring antifungal compound amphotericin B interacts with sterols in cell membranes. |
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. |
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 4, 2008 Richard Van Noorden |
DNA Cages Change Size on Demand Scientists have designed dynamic DNA cages which expand or contract on demand -- and could be used to deliver drugs, or be the moving parts of nanomachines. |
Chemistry World November 25, 2013 Carla Pegoraro |
Steering cells towards biocomputers Bacterial toxins that undergo unique cell interactions have been used to perform logic functions by researchers in Germany. This innovation will help push the limits of synthetic biology. |
Technology Research News April 7, 2004 |
DNA folds into paired pyramids Researchers from the Scripps Research Institute have formed strings of DNA that spontaneously fold into a wireframe octahedron, taking a step forward in the quest to use DNA to make nanoscale templates. |
Chemistry World May 7, 2014 Emma Stoye |
Bacterium survives unnatural DNA transplant The first organism that can grow and replicate with an unnatural base pair in its DNA -- giving the cell six nucleotides instead of the usual four -- has been created by scientists in the US. |
Chemistry World June 27, 2010 Simon Hadlington |
Nanoparticles allow remote control of cells In an experiment reminiscent of the mind-control rays that featured prominently in B-movies from the 1950s, scientists in the US have used a magnetic field to alter the behavior of an animal. |
HHMI Bulletin Feb 2012 Paul Muhlrad |
Changing Channels Appetite and other deep-seated desires could be modified by altering brain ion channels, according to research at Janelia Farm. |
Chemistry World April 25, 2006 Jon Evans |
DNA Sequencing Reaches the Space Age The smallest ever DNA sequencer, only 10cm in diameter, comprises a complex network of microscopic pumps, valves, heaters and electrophoresis channels, many of which were initially developed for use in a device to detect life on Mars. |
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 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 March 1, 2011 Catherine Bacon |
Unravelling chromosomes Danish scientists have used a micro device to isolate centimetre-long portions of human DNA to help study the genetic make-up of diseased cells. |
Chemistry World October 3, 2010 Manisha Lalloo |
DNA origami with a twist Researchers in the US have designed and synthesised a nanoscale Mobius strip out of DNA origami. |
Chemistry World June 13, 2007 Richard Van Noorden |
Why Cold is Such a Pain We'd all like to avoid the sting of winter air and the agony of moving frozen fingers. Scientists have discovered why extreme cold hurts, and created hardy mice who can freeze painlessly to blocks of ice. |
Technology Research News June 16, 2004 |
Genes Automate DNA Machines Researchers have taken a step toward automating nanomachines with a method that allows instructions for a DNA-based machine to be contained in a gene, or another stretch of DNA. |
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 August 6, 2009 Hayley Birch |
Nanoscale tools from DNA origami US scientists have demonstrated a nanoconstruction approach that allows the creation of self-assembling DNA 'origami' folded in an array of different shapes, from bent rods to toothed gears. This opens new possibilities for engineering nanoscale tools and devices. |
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. |
Chemistry World September 21, 2010 Hayley Birch |
Self-pumping membrane mimics cell machinery US researchers have imitated the transport functions of biological membranes by incorporating tiny pumps into synthetic membranes. They say their 'self-pumping' mimics could be used in compartment-less fuel cells. |
Chemistry World February 20, 2011 Jon Cartwright |
Insect antennae inspire responsive nanopores Researchers in the US have created nanopores that can capture, concentrate and shift molecules in predictable ways. |
Technology Research News September 24, 2003 |
Glow shows individual DNA Researchers have made a type of artificial DNA of that glows when it combines with a specific sequence of natural DNA. In principle, the method could be used to develop DNA chips that directly sense individual DNA molecules. |
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 |
Chemistry World April 14, 2011 Laura Howes |
DNA origami yields tiny flask A US group of researchers has made a round bottomed flask from folded up DNA with an internal capacity of just 24000nm 3, which would be enough to hold 800,000 molecules of water. |
Technology Research News December 3, 2003 Kimberly Patch |
DNA assembles nanotube transistor Scientists have caused a transistor to self-assemble from a test tube concoction of DNA, proteins, antibodies, carbon nanotubes and minuscule specks of silver and gold. The feat shows that it is possible to assemble the smallest of machines and electronic devices by harnessing DNA's properties. |
Chemistry World October 9, 2014 James Urquhart |
Designer nanoparticles cast in DNA molds German researchers have developed a DNA origami approach to produce custom-made inorganic nanoparticles with programmable, pre-designed shapes. |
Chemistry World February 22, 2009 Phillip Broadwith |
Reading DNA Base by Base A technique to electrically detect individual DNA bases cut from a single strand of DNA has been developed by researchers in the UK. |
Chemistry World April 19, 2011 Simon Hadlington |
Cell factories package drugs for delivery Scientists in Australia and Germany have used living cells as 'factories' to encapsulate particles such as drugs in biological membranes. |
Technology Research News September 24, 2003 |
Artificial DNA stacks metal atoms In recent years, researchers have replaced some of DNA's natural bases with those that attach to metal atoms in order to coax DNA to organize metal ions into tiny structures. Researchers in Japan have tapped the method to form stacks of single metal ions. |
Technology Research News May 5, 2004 Kimberly Patch |
DNA Bot Targets Cancer Researchers from Israel have constructed a molecular-size computer that is programmed to find signs of cancer cells, and when they are present, dispense DNA molecules designed to eradicate those cells. |
Chemistry World October 31, 2008 Manisha Lalloo |
DNA-rewinding protein discovered US scientists have found an enzyme that rewinds sections of DNA whose strands have mistakenly come apart. |
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'. |
Technology Research News February 11, 2004 |
Scientists brew tree-shaped DNA Researchers from Cornell University have synthesized a new type of DNA that can be used as a nanotechnology building block. |
Chemistry World August 23, 2011 Josh Howgego |
Expanded genetic alphabet could spell out new genes Chemists have created an artificial genetic code capable of evolving to produce new genes. The code consists of six bases, rather than the standard four, and could form the basis of randomly mutating synthetic life. |
Technology Research News January 12, 2005 |
RNA Tiles Form Nanopatterns Researchers have developed a method of coaxing artificial RNA molecules to self-assemble into specific shapes, much like a jigsaw puzzle automatically assembling. The structures could eventually be used as templates for nanochips, nanocircuits and nanocrystals |
Chemistry World August 4, 2009 Nina Notman |
Cell-sized vesicle assembly line A production line for uniform lipid-coated microspheres has been created by Japanese scientists. One day these could be used in drug delivery or artificial cells. |
Chemistry World February 17, 2012 Jon Cartwright |
DNA Nanorobots Seek and Destroy Disease Researchers have created a DNA-based nanorobot that can work its way through cell cultures, delivering cargo only at specific targets. |