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Chemistry World September 17, 2012 Ian Le Guillou |
Raising the curtain on single-stranded DNA Scientists have created microfluidic devices containing single-stranded DNA 'curtains' for the first time, allowing scientists to study its interactions with proteins in real time. |
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. |
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. |
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 October 19, 2009 Simon Hadlington |
DNA stretching mystery solved A detailed understanding of the elastic properties of DNA can give scientists key insights into interactions of DNA and the proteins that carry out these manipulations. |
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. |
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 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 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 11, 2008 John Bonner |
DNA Nanoparticles Detect Gene Expression US scientists have made nanoparticles from DNA that they say could be used to identify the genes being expressed in a single cell. |
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 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 February 27, 2006 Michael Gross |
A DNA Switch for RNA Folding Researchers have equipped a large RNA domain with a DNA switch, which they say can fold or unfold the RNA molecule at will. |
Chemistry World August 2007 Philip Ball |
Opinion: The Crucible The twist on DNA |
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. |
Industrial Physicist |
Biomimetic Nanotechnology Although biomimetic nanotechnology is in its infancy, with no applications yet reaching commercialization, the barriers in some cases lie mainly in scaling up production processes to industrial levels. |
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. |
Technology Research News August 25, 2004 |
DNA Copier Uses Little Power Today's laboratory DNA detectors require a lot of energy. Researchers have devised a method that copies the way DNA is replicated biologically in order to avoid the energy-intensive heating and cooling process. |
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. |
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. |
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 February 18, 2008 John Bonner |
Flicking the Acetyl Switch A strain of Escherichia coli that can produce proteins containing an acetylated version of the amino acid lysine could help to reveal how acetylation changes the function of hundreds of proteins inside cells. |
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 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. |
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 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 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. |
Bio-IT World October 9, 2002 Salvatore Salamone |
Calculating with DNA Scientists have demonstrated that DNA computers can solve complex problems, but the verdict is out on whether they will ever become practical. |
HHMI Bulletin Spring 2013 Nicole Kresge |
A Structural Toolbox Natalie Strynadka wants to design a better antibiotic. Her strategy: learn about the molecules bacteria use to invade cells. Her tool: structural biology. |
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. |
Technology Research News October 6, 2004 |
Chip spots DNA electrochemically A microelectrochemical method of reading DNA chips could be used in portable detectors. It could be use practically in two to five years, according to the researchers. |
HHMI Bulletin February 2011 Sarah C.P. Williams |
Enforcing Order Changing the spatial arrangement of molecules in a cell can alter their functions. |
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 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 27, 2006 |
`Sticky Trees' Glue Molecules to Proteins Researchers have developed a chemical glue that binds molecules to proteins without compromising protein function. The method could be used to modify a wide range of proteins for a variety of purposes, such as in the development of new protein-based therapies. |
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 May 2008 Philip Ball i |
Pulling our strings There is much more to DNA than that elegant double helix. The author explores the twists and tangles of chromatin. |
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 June 26, 2008 Bea Perks |
Liquid Crystals Stand up for DNA Detection Liquid crystals that realign in response to DNA can reveal subtle sequence alterations, even a single base mutation, report US scientists. |
Chemistry World July 4, 2010 Hayley Birch |
DNA sticks at flick of switch A new technique that sticks individual DNA molecules to a gold surface works at the flick of an electrochemical switch. |
Chemistry World August 26, 2008 |
Photonic crystal drug detective A new high-throughput screening system based on photonic crystals could quickly and cheaply detect molecules that disrupt binding between proteins and DNA. |
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 November 13, 2014 Katrina Kramer |
Persuading proteins to form porous polyhedra Researchers in the US have designed a hollow cube out of naturally occurring proteins, something that was previously only possible with DNA. |
Technology Research News December 15, 2004 |
DNA Makes Nanotube Transistors Researchers have harnessed the self-assembly abilities of DNA to construct field-effect transistors from carbon nanotubes. |
Bio-IT World April 15, 2003 Robert M. Frederickson |
Protein Chemistry Surfaces Protein chips seek to do for protein expression profiling what DNA chips did for RNA expression. |
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 |
Molecule does two-step Duke University researchers have found a way to make a molecule react only when it has been hit by two photons of ultraviolet light, making the molecule a controllable switch. The molecule could eventually be used in optical storage devices and in biochips. |
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 October 17, 2011 Hayley Birch |
Quickly sorting cells using DNA A new magnetic cell sorting technique uses principles borrowed from DNA nanodevices. The approach could help scientists rapidly separate different types of cells from complex mixtures. |