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IEEE Spectrum October 2007 Neil Savage |
Nanowire Silicon Solar Cell for Powering Small Circuits A new type of solar cell made from a nanometer-scale wire might one day provide an on-chip power source for nanoelectronic devices or run microscopic robots, say scientists. |
Chemistry World October 17, 2007 Lewis Brindley |
Shining a New Light on Nanowires Scientists have created tiny solar power cells using silicon nanowires 200 times thinner than a human hair. The cells could provide renewable energy for both nano- and large-scale applications. |
Chemistry World April 20, 2012 Jennifer Newton |
Nanocrystal probes mimic viruses to gain entry into cells Colloidal polymer vectors loaded with nanocrystal probes enter cells in the same way as a virus and can be used to track cells for therapies such as those based on stem cells |
Chemistry World July 30, 2007 Lewis Brindley |
AFM Tip Feels Nano-Surfaces Scientists in the US have developed an artificial fingertip that boosts the resolution of atomic force microscopy, a technique that opens a window onto the nanoscale world. |
Technology Research News August 25, 2004 |
Hybrid Nanowire Makes Transistor One challenge in making minuscule electronic devices from nanoscale components is wiring the components together. Researchers have found a way to transform sections of semiconducting silicon nanowires into metallic, or conducting, nickel silicide. |
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 August 24, 2006 Michael Gross |
Biotronics Branches Out Harvard researchers have developed nanowire transistors that interface with individual neurons and, even better, with the individual neuronal extensions that reach out to contact other cells. |
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. |
Chemistry World May 15, 2013 Andrea McGhee |
Selective sulfane sulfur detection Scientists in the US have made two fluorescent probes that can distinguish persulfides and polysulfides from hydrogen sulfide. This work paves the way for developing non-destructive probes for sulfane sulfurs that can be used in living cells and even in vivo. |
Chemistry World December 13, 2010 James Urquhart |
Nanotube probe for cellular studies A new way of peering inside biological cells using carbon nanotubes as tiny multifunctional endoscopes has been developed by US researchers. |
IEEE Spectrum May 2009 Prachi Patel |
Laser Probes for Brain Experiments Laser-activated probes stimulate brain cells better, say scientists |
Chemistry World December 12, 2013 Jeanne Therese Andres |
Kiss-and-run drug delivery Carriers that release hydrophobic substances at cell membranes but do not enter the cells themselves could be the foundation for a new way to deliver drugs into cells, according to a team of scientists in Germany. |
Chemistry World August 22, 2008 Hayley Birch |
Drug uptake rule challenged A study by UK scientists apparently contradicts a 100-year-old rule thought to govern the rate at which molecules cross biological membranes. |
Chemistry World June 7, 2011 Fiona McKenzie |
Probing cells' power generators UK scientists have developed a probe to monitor bicarbonate concentrations in mitochondria - components in living cells that generate chemical energy. |
Chemistry World October 9, 2011 Simon Hadlington |
New probe throws light on cellular lipids Scientists in the US have developed a new sensor that can track and measure lipids in living 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 September 30, 2014 Andy Extance |
Tiny tips reveal cells' chemical secrets US researchers have broken into individual living cells with inexpensive probes that can suck their contents directly into a mass spectrometer. |
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 July 27, 2015 Tim Wogan |
Repellent nanocraters could shape tissue engineering Patterning surfaces with nanoscale craters can interfere with cells' ability to stick to surfaces, researchers in the US have shown. |
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 July 2, 2007 Michael Gross |
Transistor tuned to ion channel As living cells can detect many compounds with high sensitivity via receptors on their membranes, researchers are keen to exploit them in electronic biosensors. Researchers in Germany now report the feasibility of just such a receptor-cell-transistor biosensor. |
Chemistry World May 10, 2013 Michael Parkin |
Super Glue for cells Scientists in Canada have made a super-strong cell membrane adhesive and used it to stick red blood cells together. The polymer, based on the phospholipid head group phosphatidyl choline, could be used to secure cells in particular positions for tissue engineering and wound closure. |
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 May 4, 2005 Eric Smalley |
Chip Gauges Cell Reactions Researchers have devised a way to test within minutes the reactions of cells to all types of stimuli. The researchers' system is very sensitive, relatively inexpensive, uses little power, and is portable. |
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 May 5, 2010 Phillip Broadwith |
Nanoholes promise solar power Silicon solar cells with arrays of nano-sized holes could outperform their nanowire-based rivals, say Chinese chemists. |
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. |
Scientific American September 19, 2005 Charles Q. Choi |
Chatting Up Cells Stem cells can transform into whatever cell the body tells them to. Unfortunately, scientists have yet to master that particular gift of gab. But investigators may soon crack the language with tiny "chat rooms" for stem cells. |
Chemistry World May 29, 2007 James Mitchell Crow |
Nanocomposites From Bubbles An efficient new way to add nanowires or nanotubes into polymer films. |
Chemistry World October 11, 2007 Jonathan Edwards |
'Tuneable' Polymer Can Separate Anything An international team of scientists have made a polymer with pores which can be fine-tuned to speedily separate different small molecules -- with applications ranging from carbon capture to fuel cells. |
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. |
Chemistry World January 9, 2008 Lewis Brindley |
A Silicon Surprise Two teams of US scientists have demonstrated silicon-based 'thermoelectric' materials that could convert waste heat back into electricity. |
Chemistry World July 21, 2015 Ida Emilie Steinmark |
Expert wiki to expose low-quality chemical probes After numerous examples of chemical probes ruining otherwise good research, the new project is looking to address the circulation of inferior probes, misuse of them and misleading studies. |
Chemistry World January 26, 2011 Anna Watson |
Channelling deeper to target breast cancer US scientists have developed a model of the breast ductal system that could be used to discover abnormal cells or deliver drugs at locations further along the ducts than other techniques. The model fits on a slide, enabling on-chip experiments. |
Chemistry World January 20, 2011 Erica Wise |
Protective shells for cells A highly permeable shell made for living cells could substantially extend their lifetime in bioengineering applications, including aiding bone repair, say US scientists. |
Technology Research News March 26, 2003 |
Plastic coating makes chips biofriendly Electronics usually don't mix well with biological material. Sandia National Laboratories researchers have overcome the incompatibility with a microscopic laser designed to quickly measure and identify microorganisms and cell types without inhibiting biological processes. |
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 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. |
Chemistry World March 8, 2011 Jennifer Newton |
Measuring cells' oxygen levels with PEBBLEs Scientists in Germany have developed a strategy to visualise oxygen concentrations in cells to better understand its role in biological reactions such as metabolism. |
Chemistry World September 27, 2011 Maria Burke |
Patching up Patients with a Heart of Gold Researchers have used gold nanowires to boost the propagation of electrical signals in cardiac patches, significantly increasing their therapeutic value. |
Chemistry World July 7, 2011 Hayley Birch |
Could Life Have Emerged Inside Inorganic Shells? The basic components of cells can operate within the bounds of inorganic membranes made from nanoparticles, a new study shows. |
Chemistry World June 8, 2015 James Urquhart |
Injectable electronics unfold to monitor brain activity Flexible electronics have been created that unfold once injected into a biological tissue such as the brain. |
Technology Research News December 1, 2004 Kimberly Patch |
Solar Cell Doubles as Battery Scientists have designed a single, compact device that can both convert solar energy to electricity and store the electricity. |
Chemistry World October 26, 2011 Kate McAlpine |
Dismissing gatekeepers for enhanced nerve control US researchers have invented a better way to stimulate or block nerve impulses by coating an electrode with a membrane that can control the local concentration of ions. |
PC Magazine October 10, 2007 Gary Berline |
Excel Tip: Cell Navigation Jump easily from one cell to a non-neighboring cell. |
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. |
Chemistry World March 20, 2009 Jon Cartwright |
Medical Probes Get Easy to Spot Scientists in the US have created nano-scale medical probes that are visible via both magnetic resonance imaging (MRI) and optical microscopy. |
Military & Aerospace Electronics May 2005 Ben Ames |
Nanotechnology delivers military power The Army is looking for a 21st century battlesuit, one that stops bullets, detects chemical and biological agents, monitors a wounded soldier's vital signs, administers basic first aid, and communicates with headquarters. Nanotechnology could provide the answer. |
Chemistry World August 10, 2015 Kira Welter |
Peptide glue may have held first protocell components together Electrostatic interactions induced by short, positively charged, hydrophobic peptides are all it takes to attach RNA to vesicle membranes. |
IEEE Spectrum June 2012 Dave Levitan |
The Solar Efficiency Gap Companies continue to push solar-cell efficiency records toward theoretical limits. Are actual production-line solar panels keeping up? |