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News articles about "Nanoscale"

Breakthrough for solar cell efficiency

cell, cell
Did you know that crystals form the basis for the penetrating icy blue glare of car headlights and could be fundamental to the future in solar energy technology Crystals are at the heart of diodes ... - Read More

New device stores electricity on silicon chips

Silicon
Solar cells that produce electricity 24 7 not just when the sun is shining Mobile phones with built in power cells that recharge in seconds and work for weeks between charges These are just two ... - Read More

Crystal Mysteries Spiral Deeper

crystals with one screw dislocation seemed to form stacked hexagonal “islands” while those with two proximal screw dislocations produced a six sided spiral staircase A re examination of these micrographs by Molecular Design Institute scientist ... - Read More

Water glides freely across 'nanodrapes' made from the world's thinnest material

Material, Material
Engineering researchers at Rensselaer Polytechnic Institute have developed a new drape made from graphene the thinnest material known to science which can enhance the water resistant properties of materials with rough surfaces These nanodrapes are ... - Read More

New model should expedite development of temperature-stable nano-alloys

Alloys, Nano
Researchers from North Carolina State University have developed a new theoretical model that will speed the development of new nanomaterial alloys that retain their advantageous properties at elevated temperatures Nanoscale materials are made up of ... - Read More

Nanocrystal catalyst transforms impure hydrogen into electricity

Catalyst
The quest to harness hydrogen as the clean burning fuel of the future demands the perfect catalysts nanoscale machines that enhance chemical reactions Scientists must tweak atomic structures to achieve an optimum balance of reactivity ... - Read More

Study Could Help Improve Nuclear Waste Repositories

developed experiments with different clays focusing on their structural characteristics Past studies of iodide retention in clay concentrated on bentonite Wang’s team instead studied several different clays five with the same type of layered structure ... - Read More

Programmable glue made of DNA directs tiny gel bricks to self-assemble

Gel
A team of researchers at the Wyss Institute for Biologically Inspired Engineering at Harvard University has found a way to self assemble complex structures out of bricks smaller than a grain of salt The self ... - Read More

Butterfly wings inspire new technologies: From fabrics and cosmetics to sensors

Cosmetics
A new study has revealed that the stunning iridescent wings of the tropical blue Morpho butterfly could expand the range of innovative technologies Scientific lessons learnt from these butterflies have already inspired designs of new ... - Read More

Electronic Shrink Wrap for the Heart and Other Topics at the American Chemical Society Meeting

Electronic sutures that monitor surgical incisions for healing and infection Electronic films that cling to the heart like shrink wrap monitoring and regulating the heartbeat and alerting the patient and cardiologist when medical attention is ... - Read More

First Uses of New Solar Energy Technology: Killing Germs on Medical, Dental Instruments

go into a container of water Sunlight focused into the water quickly heats the nanoparticles which scientists are terming “nanoheaters ” A layer of steam forms on the nanoheaters and buoys them up to the ... - Read More

DNA 'cages' may aid drug delivery

Drug delivery
Nanoscale cages made from strands of DNA can encapsulate small molecule drugs and release them in response to a specific stimulus McGill University researchers report in a new study The research published online Sept 1 ... - Read More

Engineers make golden breakthrough to improve electronic devices

Engineering
A Kansas State University chemical engineer has discovered that a new member of the ultrathin materials family has great potential to improve electronic and thermal devices Vikas Berry William H Honstead professor of chemical engineering ... - Read More

Size matters as nanocrystals go through phases

Phases, nanocrystals
Understanding what happens to a material as it undergoes phase transformations changes from a solid to a liquid to a gas or a plasma is of fundamental scientific interest and critical for optimizing commercial applications ... - Read More

Nanoparticles: Polymer knots with silicon hearts

Protein based drugs show promising activity against many hard to treat targets Getting these biomolecules past the body's numerous defenses however requires innovative technology such as drug delivering nanoparticles Polylactic acid PLA is a potential ... - Read More

New sensor is almost as sensitive as a dog's nose

Light, Light
Scientists at ETH Zurich and the Lawrence Livermore National Laboratory LLNL in California have developed an innovative sensor for surface enhanced Raman spectroscopy SERS Thanks to its unique surface properties at nanoscale the method can ... - Read More

RNA double helix structure identified using synchrotron light

Light, Structure, Structure, Light
When Francis Crick and James Watson discovered the double helical structure of deoxyribonucleic acid DNA in 1953 their findings began a genetic revolution to map study and sequence the building blocks of living organisms DNA ... - Read More

Molecular switch changes liquid crystal colors

Dartmouth researchers have developed a molecular switch that changes a liquid crystal's readout color based on a chemical input This new development may open the way for using liquid crystals in detecting harmful gases pathogens ... - Read More

Nanosensors could aid drug manufacturing

Nanosensors
MIT chemical engineers have discovered that arrays of billions of nanoscale sensors have unique properties that could help pharmaceutical companies produce drugs especially those based on antibodies more safely and efficiently Using these sensors the ... - Read More

Computer simulations indicate calcium carbonate has a dense liquid phase

Phase, Calcium
Computer simulations conducted at the U S Department of Energy's Lawrence Berkeley National Laboratory Berkeley Lab could help scientists make sense of a recently observed and puzzling wrinkle in one of nature's most important chemical ... - Read More
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