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Esther Conwell, Pioneering Professor of Chemistry, Dead at 92

herself a National Medal of Science winner “Dr Esther Conwell has had an extraordinarily productive career as a scientist and has greatly influenced electronic device design and performance…” wrote Dresselhaus in her letter of nomination ... - Read More

Groundwater patches play important role in forest health, water quality

Even during summer dry spells some isolated patches of soil in forested watersheds remain waterlogged These patches act as hot spots of microbial activity that remove nitrogen from groundwater and return it to the atmosphere ... - Read More

X-ray vision of photosynthesis: New technique facilitates analysis of biomolecules in a near-natural state

Photosynthesis is one of the most important processes in nature The complex method by which all green plants harvest sunlight and thereby produce the oxygen in our air is still not fully understood Researchers have ... - Read More

Live images from the nano-cosmos: Scientists watch layers of football molecules grow

Using DESY's ultrabright X ray source PETRA III researchers have observed in real time how football shaped carbon molecules arrange themselves into ultra smooth layers Together with theoretical simulations the investigation reveals the fundamentals of ... - Read More

High-speed 'label-free' imaging could reveal dangerous plaques

Researchers are close to commercializing a new type of medical imaging technology that could diagnose cardiovascular disease by measuring ultrasound signals from molecules exposed to a fast pulsing laser The system takes precise three dimensional ... - Read More

Chemists gain edge in next-gen energy: Flexible film can catalyze production of hydrogen

Rice University scientists who want to gain an edge in energy production and storage report they have found it in molybdenum disulfide The Rice lab of chemist James Tour has turned molybdenum disulfide's two dimensional ... - Read More

The geometry of RNA and its 3D structure

To understand the function of an RNA molecule similar to the better known DNA and vital for cell metabolism we need to know its three dimensional structure Unfortunately establishing the shape of an RNA strand ... - Read More

Scientists' new analysis of plant proteins advances our understanding of photosynthesis

A world without plants would be a world without oxygen uninhabitable for us and for many creatures We know plants release oxygen by absorbing carbon dioxide and breaking down water using sunlight through the process ... - Read More

Co-opting bacterial immune system to turn off specific genes

Researchers from North Carolina State University have developed a technique that co opts an immune system already present in bacteria and archaea to turn off specific genes or sets of genes creating a powerful tool ... - Read More

Nanosafety Research: The Quest for the Gold Standard

Released 30 Oct 2014 4 00 AM EDTSource Newsroom Empa Swiss Federal Laboratories for Materials Science and Technology more news from this source Contact Information Available for logged in reporters only Citations Angewandte ChemieOct 31 ... - Read More

Cooling to almost absolute zero with magnetic molecules

An international team of scientists have become the first ever researchers to successfully reach temperatures below minus 272.15 degrees Celsius only just above absolute zero using magnetic molecules The physicists and chemists are presenting their ... - Read More

Scientists disprove theory that reconstructed boron surface is metallic

Scientific inquiry is a hit and miss proposition subject to constant checking and rechecking Recently a new class of materials was discovered called topological insulators nonmetallic materials with a metallic surface capable of conducting electrons ... - Read More

Special microscope captures defects in nanotubes

University of Oregon chemists have devised a way to see the internal structures of electronic waves trapped in carbon nanotubes by external electrostatic charges Carbon nanotubes have been touted as exceptional materials with unique properties ... - Read More

New study charts the fate of chemicals affecting health, environment

Looking forward in science often requires looking back evaluating trends to extrapolate future outcomes A classic case is Moore's Law which predicts that the density of components on an integrated circuit will double every 24 ... - Read More

Structure of an iron-transport protein revealed

Iron is the most abundant trace element in humans As a cofactor of certain proteins it plays an essential role in oxygen transport and metabolism Due to the major importance of iron in a wide ... - Read More

Crystallography: Towards controlled dislocations

Crystallographic defects or irregularities known as dislocations are often found within crystalline materials Two main types of dislocation exist edge and screw type However dislocations found in real materials tend to be a mix of ... - Read More

Dispelling a misconception about Mg-ion batteries

Lithium Li ion batteries serve us well powering our laptops tablets cell phones and a host of other gadgets and devices However for future automotive applications we will need rechargeable batteries with significant increases in ... - Read More

A unique approach to monitoring groundwater supplies near Ohio fracking sites

A University of Cincinnati research project is taking a groundbreaking approach to monitoring groundwater resources near fracking sites in Ohio Claire Botner a UC graduate student in geology will outline the project at The Geological ... - Read More

Beyond LEDs: Brighter, new energy-saving flat panel lights based on carbon nanotubes

Even as the 2014 Nobel Prize in Physics has enshrined light emitting diodes LEDs as the single most significant and disruptive energy efficient lighting solution of today scientists around the world continue unabated to search ... - Read More

Unique catalysts for hydrogen fuel cells synthesized in ordinary kitchen microwave oven

Swedish and Chinese researchers show how a unique nano alloy composed of palladium nano islands embedded in tungsten nanoparticles creates a new type of catalysts for highly efficient oxygen reduction the most important reaction in ... - Read More
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