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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 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. |
Chemistry World August 2, 2011 Kate McAlpine |
Hacking into chemical cell phone calls US researchers have made a nanodevice that can eavesdrop on a cell's mutterings, and they say it could be adapted to listen in on conversations between cells. |
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. |
Chemistry World November 13, 2012 Rachel Cooper |
Detecting cancer cells and parasites Scientists in Denmark have designed a new sensor to detect cells that over-express folate receptors, including cancer cells. The sensor consists of an electrochemical platform composed of graphene and peptide nanotubes with folic acid. |
Chemistry World January 3, 2012 Simon Hadlington |
One-pot synthesis creates anticancer candidates Researchers in Germany have developed a simple, rapid and high-yielding cascade synthesis of a collection of polycyclic compounds that resemble indole alkaloid natural products and which interfere with cell division. |
Chemistry World March 21, 2012 Elinor Richards |
Sensor that smells like a dog Scientists in Korea have developed a biosensor for assessing food quality that mimics the way receptors in a canine nose respond to smells. |
Chemistry World August 12, 2010 Phillip Broadwith |
Nanowire-tapping cells Nanoscale electronic probes that can enter cells without damaging them have been made by US scientists. |
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. |
Chemistry World October 10, 2012 Elinor Hughes |
Batteries not included Enzyme-based biofuel cells have been plugged into lobsters and they generated enough power to run a digital watch. |
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. |
HHMI Bulletin May 2010 Sarah C.P. Williams |
Young Again Niche cells can reverse the aging of stem cells. |
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 |
Chemistry World July 21, 2011 Elinor Richards |
Cell Control to Change Cell Function US scientists can now control the reactions occurring inside cells. |
Chemistry World October 23, 2011 David Bradley |
Clicking Together Cultural Niches Researchers in the US have made three-dimensional hydrogels that are not only compatible with living cells but can be tuned to create specialist growing environments - culture niches - for studying cell function. |
Scientific American October 17, 2005 Charles Q. Choi |
Transistor Flow Control At the heart of modern electronics are transistors, which act like valves to direct the flow of electrons. Now researchers have created the first transistors that electrically control molecules instead. |
HHMI Bulletin May 2010 Sarah C.P. Williams |
Lab-Grown Liver New cell culture system solves problem of growing liver cells. |
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 November 1, 2013 Megan Tyler |
High-throughput chip for drug screening in 3D A simple micro-array chip developed by scientists in China could sharpen the search for new drugs by enabling the high-throughput screening of drug candidates against cells cultured in three dimensions. |
Chemistry World September 17, 2012 Jennifer Newton |
Seeing cells under stress An analytical platform that imposes controlled mechanical strain onto live cells while monitoring changes in cell morphology and molecular signalling has been developed by scientists in Germany. |
Technology Research News October 22, 2003 |
Nanowires boost plastic circuits The move is on to develop flexible, cheap, plastic electronics, but so far organic circuits have fallen far short of silicon chip performance. Researchers from the Hahn-Meitner Institute in Germany have moved the field forward with a new way to make flexible transistors. |
Chemistry World February 11, 2013 Helen Potter |
A new system for cancer detection Cancer cells have been found to differ from normal cells in several ways, including the make up of their cell membranes. Cancer-cell membranes have been found to contain more anionic lipids than normal cells, leading to an overall negatively charged cell surface. |
Technology Research News December 17, 2003 |
Organic transistors get small Researchers from Cornell University have shown that it is possible to fabricate useful organic thin film transistors that have a channel length as small as 30 nanometers. The smaller the channel, the faster the transistor. Previously, organic TFT channel lengths were limited to about 100 nm. |
Chemistry World August 19, 2009 Phillip Broadwith |
Antioxidants could promote cancer Some tumor cells can actually use antioxidants to protect themselves from natural cellular defense mechanisms, enabling them to survive and proliferate. |
Technology Research News February 23, 2005 |
Tiny transistors sniff chemicals Researchers from the University of Texas at Austin have found that the chemical sensing abilities of infinitesimally small transistors made from thin films of the organic crystal pentacene are quite different from those of larger transistors made from the same materials. |
Chemistry World October 31, 2012 Ian Le Guillou |
A cell for a cell If you ever need to isolate a single bacterial cell, why not build it a prison cell? This is the approach that colleagues from Sandia National Laboratories, US, have taken. Using multi-photon lithography, they can construct four walls and a roof around a single cell in just over a minute. |
IEEE Spectrum July 2007 Suhas Sreedhar |
Plastic Solar Cells Get a Boost by Doubling Up Scientists in Korea and California have invented a new way of boosting the efficiency of cheap plastic solar cells, making them more competitive with traditional silicon solar cells. The key is to make the solar cells in pairs. |
IEEE Spectrum November 2011 Ahmed & Schuegraf |
Transistor Wars Rival architectures face off in a bid to keep Moore's Law alive. In May, Intel announced the most dramatic change to the architecture of the transistor since the device was invented. |
HHMI Bulletin Aug 2011 Jennifer Michalowski |
Memory Cells at the Ready Special neurons give rodents a leg up when facing unfamiliar territory. |
PC Magazine April 4, 2008 Frank Washburn |
Charging Into the Future Researchers are upgrading lithium ion and green-alternative batteries for increasingly power-hungry mobile devices. |
BusinessWeek September 23, 2010 Rob Waters |
Stem Cells That Save Big Pharma a Bundle Drugmakers hope to save big by using stem cells to test drugs for dangerous side effects long before costly human trials are needed. |
Chemistry World July 31, 2012 Fiona McKenzie |
Sorting the good from the bad US scientists have found a way to separate cancerous cells from healthy cells by taking advantage of their adhesion properties. Separating cancer cells for analysis is a critical step for determining the recommended course of treatment for patients. |
Bio-IT World March 8, 2005 Robert M. Frederickson |
Trekking Toward a Tricorder Portable medical devices like those out of a Star Trek episode are more reality than science fiction. |
Chemistry World April 2010 |
Column: The crucible We are getting better at manipulating cells to grow into the tissues we need. Chemical factors are key, says Philip Ball |
IEEE Spectrum August 2006 Schoenbach et al. |
Zap Extreme voltage could be a surprisingly delicate tool in the fight against cancer. The list of effects that scientists have achieved using nanoseconds-long pulses is growing rapidly, though their actual use as a medical treatment is still years away. |
Chemistry World August 15, 2007 John Bonner |
Chemists Claim Biological Alchemy South Korean chemists say they have turned muscle cells from the sole of a human foot into something akin to stem cells, using a simple molecule called neurodazine. |
Chemistry World July 3, 2012 Simon Perks |
Ultrafast transistors created in a vacuum Scientists at the University of Pittsburgh, US, have come up with a new type of transistor that uses a vacuum to conduct electrons a hundred times faster than the conventional solid-state version. |
HHMI Bulletin Aug 2011 Richard Saltus |
T-Cell Booster Kits A bioengineer remodels cell surfaces to prod the immune system. |
Technology Research News March 23, 2005 |
Layers promise cheap circuits The challenge is making organic transistors that work well electronically. |
Chemistry World September 9, 2015 James Urquhart |
Purple bacteria signal zinc deficiency US researchers who have developed a zinc biosensor that functions as a bacterial 'litmus test', eliminating the need for expensive equipment. |