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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 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. |
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. |
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 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 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. |
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 |
Scientific American June 2005 JR Minkel |
RNA to the Rescue The spectacular discovery that a species of plant can summon up genes its parents have lost highlights biologists' increasing recognition of RNA as a more versatile and important molecule in its own right. |
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 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 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. |
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 March 15, 2010 James Urquhart |
All aboard the DNA nanotube Cargo-carrying DNA nanotubes that can rapidly release their load on demand have been made for the first time by Canadian researchers. |
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 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 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. |
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 September 23, 2009 Simon Hadlington |
Direct route to RNA sequences Scientists in the US appear to have cracked a major problem in molecular biology: how to sequence single molecules of RNA directly. |
Technology Research News October 22, 2003 |
Embedded rotors mix fluids Researchers have found that it is possible to change the way fluid flows through arrays of tiny rotary motors embedded in a membrane. Minuscule motor arrays could eventually be used to sort, mix and transport molecules for medicine, biology and bioengineering applications. |
Chemistry World October 4, 2006 Bea Perks |
Good Year for RNA Roger Kornberg, professor of structural biology at Stanford University, has been awarded the 2006 Nobel prize in chemistry for his work on the molecular basis of transcription. |
Chemistry World February 25, 2010 Lewis Brindley |
Nanomachinery Lights up A light-activated switch to turn nanomachines on and off has been developed by Japanese researchers. |
Chemistry World August 26, 2014 Andy Extance |
No-frills coats set a trend for designer viruses Dutch scientists have built a simple model of viruses' protective coats in an attempt to create viral mimics that could fight diseases, as opposed to causing them. |
IEEE Spectrum March 2011 Lucks & Arkin |
Synthetic Biology's Hunt for the Genetic Transistor How genetic circuits will unlock the true potential of bioengineering |
Chemistry World November 27, 2007 James Mitchell Crow |
A Flare for Gene Silencing US scientists have developed nanoparticle probes coated with DNA that release fluorescent 'flares' when they silence genes inside cells. |
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. |
Technology Research News September 22, 2004 |
Virus Forms Nano Template Living matter self-assembles into complex organisms that can contain billions of cells, and researchers have tapped biological molecules like DNA and viruses to self-assemble technologically useful structures and materials. |
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 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. |
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. |
CIO June 1, 2003 Bob Violino |
Powerful DNA Portable computer vendors like to boast about their small and lightweight devices. But their best efforts are nothing compared with programmable molecular computing machines composed of an enzyme and DNA molecules. |
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. |
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. |
Technology Research News February 26, 2003 |
DNA forms nano piston DNA is a molecule of many talents. In addition to its biological role of carrying the blueprint to life, it has performed computations and self-assembled into various shapes in the laboratory. Some of those shapes are movable, which paves the way for molecular machines. |
Chemistry World July 17, 2012 Simon Perks |
Synthetic nanozymes silence hepatitis C Researchers at the University of Florida, US, have discovered that an artificial nanoparticle complex, known as a nanozyme, can help to treat viral infections by 'shutting off' their genetic material. |
Chemistry World November 2006 Bea Perks |
Call That Chemistry? This year's Nobel prize in chemistry was a tour de force for crystallography, underscoring the vital role chemistry plays across the sciences. |
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 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 May 21, 2012 Simon Hadlington |
Rewritable DNA for digital data storage A rewritable memory storage module can form the basis of a digital memory system, scientists suggest, with the cell being able to 'record' transient changes in its internal chemistry. |
HHMI Bulletin February 2012 Sarah C.P. Williams |
The Twists and Turns of Immunity Fred Alt has built a career making sense of the immune system -- specifically, the diverse antibodies that fight off invading molecules, from viruses to cancer cells to pollen. |
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 August 5, 2011 David Bradley |
Filming the roundabout production of cells' chemical fuel Japanese researchers have used a high-speed atomic force microscopy to shoot a movie of the tiny rotating enzyme that produces the chemical fuel for cells. |
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 February 1, 2008 Lewis Brindley |
Genetic Code Read Directly From RNA Scientists have directly read the genetic code from a single strand of RNA for the first time, using a combination of powerful microscopes and laser spectroscopy techniques. |
HHMI Bulletin Winter 2013 Megan Scudellari |
Tunneling Out A research team including HHMI investigator Melissa Moore at the University of Massachusetts Medical School has discovered an alternative passageway used by RNA -- protein complexes to exit the nucleus. |
Chemistry World January 20, 2011 Hayley Birch |
Programmable RNA promising for bio-compatible therapies Programmable nanostructures based on ribonucleic acid could be used as vessels for shipping therapeutic molecules into cells, according to US scientists. |
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 March 23, 2005 |
Nanowires track molecular activity Researchers from Harvard University have found a way to use transistors made from silicon nanowires to gain information about how small molecules bind to proteins. |
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. |
Managed Care November 2003 Thomas Morrow |
Making Sense of Antisense and Interference Treatments that interfere with protein synthesis at the cellular level will soon be debated in medical policy committee meetings. |