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News articles about "Nanoparticles"

Tetrapod nanocrystals light the way to stronger polymers

nanocrystals
Fluorescent tetrapod nanocrystals could light the way to the future design of stronger polymer nanocomposites A team of researchers with the U S Department of Energy DOE 's Lawrence Berkeley National Laboratory Berkeley Lab has ... - Read More

Laser-controlled molecular switch turns blood clotting on, off on command

Molecular, Laser, Laser, molecular
Researchers have designed tiny light controlled gold particles that can release DNA controls to switch blood clotting off and on The results are reported July 24 in the open access journal PLOS ONE by Kimberly ... - Read More

Quantum of sonics: Bonded, not stirred

Researchers at McGill University have discovered a new way to join materials together using ultrasound Ultrasound sound so high it cannot be heard is normally used to smash particles apart in water In a recent ... - Read More

Researchers put squeeze on cells to deliver

cells, cells
Imagine being able to redirect powerful immune cells to fight cancer How about reprogramming a diabetic's skin cell into a cell that could manufacture the insulin their pancreas no longer produces Could we dial down ... - Read More

Off-grid sterilization with 'solar steam'

Heat
Rice University nanotechnology researchers have unveiled a solar powered sterilization system that could be a boon for more than 2.5 billion people who lack adequate sanitation The solar steam sterilization system uses nanomaterials to convert ... - Read More

Two-in-one solution for low cost polymer LEDs and solar cells

Solution, Polymer
Considerable improvement in device performance of polymer based optoelectronic devices is reported today by researchers from Ulsan National Institute of Science and Technology UNIST South Korea The new plasmonic material can be applied to both ... - Read More

Climate friendly fuel cells for hydrogen cars have come one step closer

Fuel, Fuel cells
Climate friendly fuel cells for hydrogen cars have come one step closer Researchers at the Department of Chemistry University of Copenhagen have shown how to build fuel cells that produce as much electricity as current ... - Read More

Purple sunlight eaters: Microorganisms found in salt flats could offer new path to green hydrogen fuel

Salt, Fuel, Green, Microorganisms
A protein found in the membranes of ancient microorganisms that live in desert salt flats could offer a new way of using sunlight to generate environmentally friendly hydrogen fuel according to a new study by ... - Read More

A heart of gold: Gold nanofibers in engineered heart tissue can enhance electrical signalling

cells, cells
Heart tissue sustains irreparable damage in the wake of a heart attack Because cells in the heart cannot multiply and the cardiac muscle contains few stem cells the tissue is unable to repair itself it ... - Read More

Finding the keys to boiling heat transfer

A team of MIT researchers has succeeded in carrying out the first systematic investigation of the factors that control boiling heat transfer from a surface to a liquid This process is crucial to the efficiency ... - Read More

Nanoparticles with protein 'passports' evade immune system, deliver more medication to tumors

System, Immune system, medication, tumors
Scientists have found a way to sneak nanoparticles carrying tumor fighting drugs past cells of the immune system which would normally engulf the particles preventing them from reaching their target The technique takes advantage of ... - Read More

Physicists offer novel insight into experimental cancer treatment

Cancer treatment, cancer, treatment
Physicists from the University of York have carried out new research into how the heating effect of an experimental cancer treatment works Magnetic hyperthermia is viewed as an attractive approach for the treatment of certain ... - Read More

Individual atoms imaged in a living catalytic reaction

Reaction, Reaction
Groundbreaking new electron microscopy technology developed at the York JEOL Nanocentre at the University of York is allowing researchers to observe and analyse single atoms small clusters and nanoparticles in dynamic in situ experiments for ... - Read More

Novel nanoparticle delivers powerful RNA interference drugs

Silencing genes that have malfunctioned is an important approach for treating diseases such as cancer and heart disease One effective approach is to deliver drugs made from small molecules of ribonucleic acid or RNA which ... - Read More

Antifreeze, cheap materials may lead to low-cost solar energy

Solar energy
A process combining some comparatively cheap materials and the same antifreeze that keeps an automobile radiator from freezing in cold weather may be the key to making solar cells that cost less and avoid toxic ... - Read More

Smart anticancer 'nanofiber mesh'

Anticancer drugs
A MANA research team has developed a new nanofiber mesh which is capable of simultaneously realizing thermotherapy hyperthermia and chemotherapy treatment with anticancer drugs of tumors They succeeded in efficiently inducing natural death apoptosis of ... - Read More

Polymer coatings a key step toward oral delivery of protein-based drugs

Oral, Polymer
For protein based drugs such as insulin to be taken orally rather than injected bioengineers need to find a way to shuttle them safely through the stomach to the small intestine where they can be ... - Read More

New iron catalyst promises green future for hydrogenation

Hydrogenation, Catalyst, Green
A new iron nanoparticle catalyst developed by researchers in Japan and Canada promises to drastically improve the efficiency of hydrogenation a key chemical process used in a wide array of industrial applications Cleaner safer and ... - Read More

Tiny nanocubes help scientists tell left from right

Chiral
In chemical reactions left and right can make a big difference A left handed molecule of a particular chemical composition could be an effective drug while its mirror image right handed counterpart could be completely ... - Read More

Making hydrogenation greener: Using iron as catalyst for widely used chemical process, replacing heavy metals

Researchers from McGill University RIKEN The Institute of Physical and Chemical Research Wako Japan and the Institute for Molecular Science Okazaki Japan have discovered a way to make the widely used chemical process of hydrogenation ... - Read More
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