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When a good nanoparticle goes bad
Researchers at Cornell University recently made a major breakthrough when they invented a method to test and demonstrate a long-held hypothesis that some very, very small metal particles work much better than others in various chemical processes such as converting chemical energy to electricity in fuel cells or reducing automobile pollution. view more (2008-11-11)
Super small nanoelectrodes can probe microscale environments
Investigating the composition and behavior of microscale environments, including those within living cells, could become easier and more precise with nanoelectrodes being developed at the University of Illinois. view more (2007-03-12)
MU scientists go green with gold, distribute environmentally friendly nanoparticles
Gold nanoparticles are everywhere. They are used in cancer treatments, automobile sensors, cell phones, blood sugar monitors and hydrogen gas production. view more (2008-09-29)
Hankering for molecular electronics? Grab the new NIST sandwich
The sandwich recipe recently concocted by scientists working at the National Institute of Standards and Technology (NIST) may prove tasty for computer chip designers, who have long had an appetite for molecule-sized electronic components - but no clear way to satisfy it until now. view more (2009-08-27)
New JILA apparatus measures fast nanoscale motions
A new nanoscale apparatus developed at JILA—a tiny gold beam whose 40 million vibrations per second are measured by hopping electrons—offers the potential for a 500-fold increase in the speed of scanning tunneling microscopes (STM), perhaps paving the way for scientists to watch atoms vibrate in high definition in real time. view more (2007-03-19)
New data hint at oncoming cocaine epidemic
Like some drug déjà vu, cocaine use is once again on the rise among students and the rich and famous, a trend University of Florida researchers say likely signals a recurring epidemic of abuse. view more (2006-10-18)
New blood tests aid detection of latent tuberculosis
Thanks to the availability of two new blood tests called T-SPOT.TB and QuantiFERON-TB Gold, physicians around the world can better detect latent tuberculosis (TB) infection. view more (2006-10-02)
ANALYTICA 2004: Biochip Helps Avoid Allergic Reactions
Within the EU project "CD-CHEF" the Institut für Mikrotechnik Mainz GmbH (IMM) is involved in the development of a biosensor for the detection of gluten in food. As a disposable chip the biosensor permits the standardised extraction and analysis of food samples. At Analytica, the experts from Mainz present a first functional model which... view more... (2004-05-10)
Giving platinum catalysts a golden boost for fuel cells
Platinum might outweigh gold in the jewelry market, but as part of an ongoing effort to produce efficient and affordable fuel cells, scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory are studying how gold atoms might enhance the value of the pricier metal. view more (2007-03-28)
Synthetic HDL: A new weapon to fight cholesterol problems
Buttery Christmas cookies, eggnog, juicy beef roast, rich gravy and creamy New York-style cheesecake. Happy holiday food unfortunately can send blood cholesterol levels sky high. view more (2009-01-12)
Growing whiskers that won`t need shaving
As manufacturers try to incorporate more and more functions into electronic gadgets like mobile phones and laptop computers, and at the same time decrease their size, the need for smaller electronic circuit components increases. At the 26th International Conference on the Physics of Semiconductors in Edinburgh on Thursday 1 August, Prof Lars... view more... (2002-07-23)
Finding by Rice University chemists could aid development of new nanodevices
Rice University chemists have discovered that tiny building blocks known as gold nanorods spontaneously assemble themselves into ring-like superstructures. view more (2007-03-12)
Bio-inspired assembly of nanoparticle building blocks
Chemists at Rice University have discovered how to assemble gold and silver nanoparticle building blocks into larger structures based on a novel method that harkens back to one of nature's oldest known chemical innovations - the self-assembly of lipid membranes that surround every living cell. view more (2006-11-28)
Targeted nanospheres find, penetrate, then fuel burning of melanoma
Hollow gold nanospheres equipped with a targeting peptide find melanoma cells, penetrate them deeply, and then cook the tumor when bathed with near-infrared light, a research team led by scientists at The University of Texas M. D. Anderson Cancer Center reported in the Feb. 1 issue of Clinical Cancer Research. view more (2009-02-02)
Newly discovered reactions from an old drug may lead to new antibiotics
A mineral found at health food stores could be the key to developing a new line of antibiotics for bacteria that commonly cause diarrhea, tooth decay and, in some severe cases, death. view more (2009-06-02)
One nano-step closer to weighing a single atom
By studying gold nanoparticles with highly uniform sizes and shapes, scientists now understand how they lose energy, a key step towards producing nanoscale detectors for weighing any single atom. view more (2009-07-28)
Novel technique changes lymph node biopsy, reduces radiation exposure in breast cancer patients
Information obtained from a new application of photoacoustic tomography (PAT) is worth its weight in gold to breast cancer patients. view more (2009-01-14)
Scientists peel away the mystery behind gold's catalytic prowess
Few materials have exercised as much of a hold on the human imagination, or on human history, as has gold. view more (2008-09-05)
NIST demos industrial-grade nanowire device fabrication
In the growing catalog of nanoscale technologies, nanowires-tiny rows of conductor or semiconductor atoms-have attracted a great deal of interest for their potential to build unique atomic-scale electronics. view more (2007-10-29)
Researchers demonstrate use of gold nanoparticles for cancer detection
Binding gold nanoparticles to a specific antibody for cancer cells could make cancer detection much easier, say medical researchers from the University of California, San Francisco and Georgia Institute of Technology. view more (2005-06-03)
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