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News articles about "Nanometers"

Nanotech-enabled moisturizer speeds healing of diabetic skin wounds

A new high tech but simple ointment applied to the skin may one day help diabetic patients heal stubborn and painful ulcers on their feet Northwestern University researchers report Scientist and dermatologist Amy S Paller ... - Read More

Silver nanoclusters inside synthetic DNA to create a programmed, tunable fluorescent array

The silver used by Beth Gwinn's research group at UC Santa Barbara has value far beyond its worth as a commodity even though it's used in very small amounts The group works with the precious ... - Read More

Scientists develop first liquid nanolaser

Northwestern University scientists have developed the first liquid nanoscale laser And it's tunable in real time meaning you can quickly and simply produce different colors a unique and useful feature The laser technology could lead ... - Read More

Widest possible photosynthesis, absorbing any color of sunlight, from oranges through near-infrared

In 2005 scientists studying tiny sac like creatures called sea squirts found bacteria containing two types of chlorophyll a and b in cavities inside the squirts' tissues These two pigments were soaking up most of ... - Read More

Pick a Color, Any Color

the violets indigos blues green yellows and oranges All that filtered through the squirts was deep red light So the scientists were surprised to discover a film of photosynthesizing microbes on the underside of the ... - Read More

Precocious GEM: Shape-shifting sensor can report conditions from deep in the body

Scientists working at the National Institute of Standards and Technology NIST and the National Institutes of Health NIH have devised and demonstrated a new shape shifting probe about one hundredth as wide as a human ... - Read More

Nanoscale worms provide new route to nano-necklace structures

Researchers have developed a novel technique for crafting nanometer scale necklaces based on tiny star like structures threaded onto a polymeric backbone The technique could provide a new way to produce hybrid organic inorganic shish ... - Read More

Light-emitting diode tech: Solving molybdenum disulfide's 'thin' problem

The promising new material molybdenum disulfide MoS2 has an inherent issue that's steeped in irony The material's greatest asset its monolayer thickness is also its biggest challenge Monolayer MoS2's ultra thin structure is strong lightweight ... - Read More

Chemists make new silicon-based nanomaterials

Chemists from Brown University have found a way to make new 2 D graphene like semiconducting nanomaterials using an old standby of the semiconductor world silicon In a paper published in the journal Nanoletters the ... - Read More

Desalination with nanoporous graphene membrane

Less than 1 percent of Earth's water is drinkable Removing salt and other minerals from our biggest available source of water seawater may help satisfy a growing global population thirsty for fresh water for drinking ... - Read More

Carbon nanotube fibers make superior links to brain

Carbon nanotube fibers invented at Rice University may provide the best way to communicate directly with the brain The fibers have proven superior to metal electrodes for deep brain stimulation and to read signals from ... - Read More

Fine-tuning quantum dots from coal

Graphene quantum dots made from coal introduced in 2013 by the Rice University lab of chemist James Tour can be engineered for specific semiconducting properties in either of two single step processes In a new ... - Read More

Shaken, not stirred, is best for cancer imaging

James Bond liked his martini to be 'shaken not stirred' and now A*STAR researchers have found that shaking rather than stirring also produces better nanoparticles for bioimaging with important implications for spying on cancer Fluorescent ... - Read More

A new method for making perovskite solar cells

Research led by a Brown University Ph D student has revealed a new way to make light absorbing perovskite films for use in solar cells The new method involves a room temperature solvent bath to ... - Read More

Predicting prostate cancer: Nanotechnology shows promise for more accurate prostate cancer screening and prognosis

A Northwestern University led study in the emerging field of nanocytology could one day help men make better decisions about whether or not to undergo aggressive prostate cancer treatments Technology developed by Northwestern University researchers ... - Read More

Optogenetics without the genetics

Light can be used to activate normal non genetically modified neurons through the use of targeted gold nanoparticles report scientists from the University of Chicago and the University of Illinois at Chicago The new technique ... - Read More

Magnetic nanoparticles could allow brain stimulation without wires

Researchers at MIT have developed a method to stimulate brain tissue using external magnetic fields and injected magnetic nanoparticles a technique allowing direct stimulation of neurons which could be an effective treatment for a variety ... - Read More

Discovery demystifies origin of life phenomenon

The origin of life is still a mystery with many unsolved puzzles How were molecules created How did they assemble into large structures Among the conundrums the homochirality phenomenon upon which amino acids and sugars ... - Read More

Atmosphere above Africa: Clouds and aerosol measurements

From Saharan dust storms to icy clouds to smoke on the opposite side of the continent the first image from NASA's newest cloud and aerosol measuring instrument provides a profile of the atmosphere above Africa ... - Read More

Ultrathin polymer insulators key to low-power soft electronics

A group of researchers at the Korea Advanced Institute of Science and Technology KAIST developed a high performance ultrathin polymeric insulator for field effect transistors FETs The researchers used vaporized monomers to form polymeric films ... - Read More
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