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News articles about "Sample"

Nuke test radiation can fight poachers who kill elephants, rhinos, hippos

Radiation, Radiation, Radiation
University of Utah researchers developed a new weapon to fight poachers who kill elephants hippos rhinos and other wildlife By measuring radioactive carbon 14 deposited in tusks and teeth by open air nuclear bomb tests ... - 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

Cattle grazing and clean water are compatible on public lands, study finds

Public
Cattle grazing and clean water can coexist on national forest lands according to research by the University of California Davis The study published in the journal PLOS ONE is the most comprehensive examination of water ... - Read More

Predators affect the carbon cycle, study shows

A new study shows that the predator prey relationship can affect the flow of carbon through an ecosystem This previously unmeasured influence on the environment may offer a new way of looking at biodiversity management ... - Read More

Artificial bone: Designing synthetic materials and quickly turning the design into reality with 3-D printing

Materials, materials
Researchers working to design new materials that are durable lightweight and environmentally sustainable are increasingly looking to natural composites such as bone for inspiration Bone is strong and tough because its two constituent materials soft ... - Read More

Detecting homemade explosives, not toothpaste

Polymer, Polymer
Sandia National Laboratories researchers want airports border checkpoints and others to detect homemade explosives made with hydrogen peroxide without nabbing people whose toothpaste happens to contain peroxide That's part of the challenge faced in developing ... - Read More

Autonomous energy-scavenging micro devices will test water quality, monitor bridges, more

Water, Water, Water
Out in the wilds or anywhere off the grid sophisticated instruments small enough to fit in a shirt pocket will one day scavenge power from sunlight body heat or other sources to monitor water quality ... - Read More

Luminous bacterial proteins detect chemicals in water

Water, Proteins, Water, Proteins, Chemicals, chemicals, proteins, chemicals, Water
While residual medications don't belong in the water trace metals from industrial process waters handled by the recycling industry are in contrast valuable resources Scientists at the Helmholtz Zentrum Dresden Rossendorf HZDR have developed a ... - Read More

New quantum dot technique combines best of optical and electron microscopy

Microscopy
It's not reruns of The Jetsons but researchers working at the National Institute of Standards and Technology NIST have developed a new microscopy technique that uses a process similar to how an old tube television ... - Read More

2-D electronics take a step forward: Semiconducting films for atom-thick circuits

Films
Scientists at Rice University and Oak Ridge National Laboratory ORNL have advanced on the goal of two dimensional electronics with a method to control the growth of uniform atomic layers of molybdenum disulfide MDS MDS ... - Read More

Catching individual molecules in a million with optical antennas inside nano-boxes

molecules, Nano
A single cell in our body is composed of thousands of millions of different biomolecules that work together in an extremely well coordinated way Likewise many biological and biochemical reactions occur only if molecules are ... - Read More

Detection of apple juices and cereals which exceed permitted levels of mycotoxins

Researchers from the University of Granada Spain have analysed the presence of patulin a type of toxin produced by fungi in several commercial apple juices The results show that more than 50% of the samples ... - Read More

NASA to study how pollution, storms and climate mix

NASA
NASA aircraft will take to the skies over the southern United States this summer to investigate how air pollution and natural emissions which are pushed high into the atmosphere by large storms affect atmospheric composition ... - Read More

Specifically sized gold nanoparticle spheres increase the sensitivity of a light-based chemical detector

A sensor that relies on reflected light to analyze biomedical and chemical samples now has greater sensitivity thanks to a carpet of gold nanoparticles Xia Yu of the A*STAR Singapore Institute of Manufacturing Technology along ... - Read More

Second life for possible spintronic materials: Manganese, gallium nitride merged in uniform layer

Materials, materials
Ten years ago scientists were convinced that a combination of manganese and gallium nitride could be a key material to create spintronics the next generation of electronic devices that operate on properties found at the ... - Read More

Resistivity switch is window to role of magnetism in iron-based superconductors

Properties
Physicists at the U S Department of Energy's Ames Laboratory have discovered surprising changes in electrical resistivity in iron based superconductors The findings reported in Nature Communications offer further evidence that magnetism and superconductivity are ... - Read More

Ancient trapped water explains Earth's first ice age

Ice
Tiny bubbles of water found in quartz grains in Australia may hold the key to understanding what caused Earth's first ice age say scientists The Anglo French study published in the journal Nature analysed the ... - Read More

Ancient trapped water explains Earth’s first ice age

Ice
Tiny bubbles of water found in quartz grains in Australia may hold the key to understanding what caused Earth's first ice age say scientists The Anglo French study published in the journal Nature analysed the ... - Read More

Giant planets offer help in faster research on material surfaces

Planets
New fast and accurate algorithm from the Institute of Physical Chemistry of the Polish Academy of Sciences in Warsaw based on the mathematical formalism used to model processes accompanying interaction of light with gas planet ... - Read More

Roman seawater concrete holds the secret to cutting carbon emissions

Emissions
The chemical secrets of a concrete Roman breakwater that has spent the last 2 000 years submerged in the Mediterranean Sea have been uncovered by an international team of researchers led by Paulo Monteiro of ... - Read More
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