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HPLC Columns

October 15, 2014 2:03 pm | Product Releases | Comments

The CAPCELL PAK from JM Science is a high-performance liquid chromatography (HPLC) column integrating the excellent separation performance of silica-based, polymer-coated packing material. CAPCELL PAK essentially provides columns of reversed phase partition mode, normal phase partition mode, and ion exchange mode.

Smart Device App for Source Measure Unit Instruments

October 15, 2014 1:47 pm | Product Releases | Comments

Keithley Instruments has developed a free app for Android-based smartphones and tablets that interacts with a Keithley Series 2600B SourceMeter SMU instrument via its front panel USB interface. The app, called IVy, offers benchtop Series 2600B instrument users a fast, easy-to-use touchscreen tool for characterizing 2- and 3-terminal devices.

Cheap catalyst gets expensive accessory

October 15, 2014 12:06 pm | News | Comments

Iron catalysts remove oxygen inexpensively, but are susceptible to rust or oxidation in biofuel production. Precious metals that resist corrosion are even less efficient at removing oxygen. But adding just a touch of palladium to the iron produces a catalyst that quickly removes oxygen atoms, easily releases the desired products, and doesn't rust, according to scientists at Pacific Northwest National Laboratory and Washington State Univ.

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Spacecraft to attempt comet landing next month

October 15, 2014 11:56 am | News | Comments

The European Space Agency has confirmed the time and place it will attempt to land the first spacecraft on a comet. The unmanned probe Rosetta will release a 100-kg (220-lb) lander on Nov. 12 in a maneuver that will take about seven hours.

Scientists create new protein-based material with some nerve

October 15, 2014 9:24 am | by Sarah Yang, UC Berkeley | News | Comments

Univ. of California, Berkeley scientists have taken proteins from nerve cells and used them to create a “smart” material that is extremely sensitive to its environment. This marriage of materials science and biology could give birth to a flexible, sensitive coating that is easy and cheap to manufacture in large quantities.

Can it be real? Augmented reality melds work, play

October 15, 2014 9:12 am | by Salim Essaid, Associated Press Writer | News | Comments

Mark Skwarek has raised over $30,000 on the group fundraising site Kickstarter to launch Semblance Augmented Reality (AR). His company aims to liberate video games from the TV and turn them into physical experiences, such as battling militants in New York’s Central Park. He's poised to release Semblance AR's first app for iOS and Android phones.

Effects of high-risk Parkinson’s mutation are reversible

October 15, 2014 9:01 am | by Amy Pullan, Media Relations Office, University of Sheffield | News | Comments

Researchers from the Univ. of Sheffield have found vital new evidence on how to target and reverse the effects caused by one of the most common genetic causes of Parkinson’s. Mutations in a gene called LRRK2 carry a well-established risk for Parkinson’s disease, however the basis for this link is unclear.  

Electric vehicle technology packs more punch in smaller package

October 15, 2014 8:46 am | by Ron Walli, Oak Ridge National Laboratory Communications | News | Comments

Using 3-D printing and novel semiconductors, researchers at Oak Ridge National Laboratory have created a power inverter that could make electric vehicles lighter, more powerful and more efficient. At the core of this development is wide bandgap material made of silicon carbide with qualities superior to standard semiconductor materials.

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Serendipitous holography reveals hidden cracks in shocked targets

October 15, 2014 8:35 am | by Breanna Bishop, Lawrence Livermore National Laboratory | News | Comments

In a recent article published in the Review of Scientific Instruments, a research team led by scientists at Lawrence Livermore National Laboratory describe a technique for 3-D image processing of a high-speed photograph of a target, "freezing" its motion and revealing hidden secrets. This technique is particularly applicable in targets that are "shocked."

Scientists map key moment in assembly of DNA-splitting molecular machine

October 15, 2014 8:22 am | News | Comments

The proteins that drive DNA replication are some of the most complex machines on Earth and the process involves hundreds of atomic-scale moving parts that rapidly interact and transform. Now, scientists have pinpointed crucial steps in the beginning of the replication process, including surprising structural details about the enzyme that "unzips" and splits the DNA double helix so the two halves can serve as templates for DNA duplication.

Innovations being commercialized to improve radiation detection, adhesives and sealants

October 15, 2014 8:17 am | Videos | Comments

Officials at a Chicago-based startup, Sagamore-Adams Laboratories LLC, say innovations discovered in Purdue University's School of Nuclear Engineering are being commercialized to address challenges in improving radiation detection and making sealants and adhesives safer. They have developed technology that could lead to radiation sensors that cost less and provide better information than traditional sensors.

MAVEN’s first look at Mars holds surprises

October 15, 2014 8:06 am | by Jim Scott, CU-Boulder Media Relations | News | Comments

NASA’s MAVEN spacecraft has provided scientists their first look at a storm of energetic solar particles at Mars and produced unprecedented ultraviolet images of the tenuous oxygen, hydrogen and carbon coronas surrounding the Red Planet. In addition, the new observations allowed scientists to make a comprehensive map of highly variable ozone in the Martian atmosphere underlying the coronas.

Earth’s magnetic field could flip within a human lifetime

October 15, 2014 7:56 am | by Robert Sanders, Univ. of California, Berkeley Media Relations | News | Comments

It’s not as bizarre as it sounds. Earth’s magnetic field has flipped many times throughout the planet’s history. Its dipole magnetic field, like that of a bar magnet, remains about the same intensity for thousands to millions of years, but for incompletely known reasons it occasionally weakens and, presumably over a few thousand years, reverses direction.

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Is copper prostate cancer’s Kryptonite?

October 15, 2014 7:41 am | by Duke Medicine News and Communications | News | Comments

Like discriminating thieves, prostate cancer tumors scavenge and hoard copper that is an essential element in the body. But such avarice may be a fatal weakness. Researchers at Duke Medicine have found a way to kill prostate cancer cells by delivering a trove of copper along with a drug that selectively destroys the diseased cells brimming with the mineral, leaving non-cancer cells healthy.

Rock-dwelling microbes remove methane from deep sea

October 14, 2014 1:26 pm | by Ker Than, Caltech | News | Comments

Methane-breathing microbes that inhabit rocky mounds on the seafloor could be preventing large volumes of the potent greenhouse gas from entering the oceans and reaching the atmosphere, according to a new study. The rock-dwelling microbes represent a previously unrecognized biological sink for methane and as a result could reshape scientists' understanding of where this greenhouse gas is being consumed in subseafloor habitats.

Discovery of cellular snooze button advances cancer and biofuel research

October 14, 2014 12:53 pm | by Michigan State Univ. Media Communications | News | Comments

The discovery of a cellular snooze button has allowed a team of Michigan State Univ. scientists to potentially improve biofuel production and offer insight on the early stages of cancer. The discovery finds the protein CHT7 is a likely repressor of cellular quiescence, or resting state. This cellular switch, which influences algae’s growth and oil production, also wields control of cellular growth—and tumor growth—in humans.

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

October 14, 2014 12:09 pm | by Ingrid Söderbergh, Umea Univ. | News | Comments

Swedish and Chinese researchers have recently shown 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 hydrogen fuel cells. Their results are published in the scientific journal Nature Communications.

With their mark on Earth, humans may name era, too

October 14, 2014 11:57 am | by Seth Borenstein, AP Science Writer | News | Comments

Though most non-experts don't realize it, science calls the past 12,000 years the Holocene, Greek for "entirely recent." But the way humans and their industries are altering the planet, especially its climate, has caused an increasing number of scientists to use the word Anthropocene to better describe when and where we are.

Unstoppable magnetoresistance

October 14, 2014 9:20 am | by Tien Nguyen, Brookhaven National Laboratory | News | Comments

Mazhar Ali, a fifth-year graduate student in the laboratory of Bob Cava, the Russell Wellman Moore Professor of Chemistry at Princeton Univ., has spent his academic career discovering new superconductors, materials coveted for their ability to let electrons flow without resistance. While testing his latest candidate, the semimetal tungsten ditelluride (WTe2), he noticed a peculiar result.

Revving up fluorescence for superfast LEDs

October 14, 2014 9:17 am | News | Comments

Duke Univ. researchers have made fluorescent molecules emit photons of light 1,000 times faster than normal, setting a speed record and making an important step toward realizing superfast light emitting diodes (LEDs) and quantum cryptography. This finding could help make LED technology, which earned a Nobel Prize this year, suitable for use as a light source in light-based telecommunications.

Rediscovering Venus to find faraway Earths

October 14, 2014 9:12 am | News | Comments

Astronomers Chih-Hao Li and David Phillips of the Harvard-Smithsonian Center for Astrophysics want to rediscover Venus. They plan to “find” the second planet again using a powerful new optical device installed on the Italian National Telescope that will measure Venus' precise gravitational pull on the sun. If they succeed, their first-of-its-kind demonstration will be later used for finding Earth-like exoplanets orbiting distant stars.

First observations of atoms moving inside bulk material

October 14, 2014 8:23 am | by Christopher R. Samoray, Oak Ridge National Laboratory | Videos | Comments

Researchers at Oak Ridge National Laboratory have obtained the first direct observations of atomic diffusion inside a bulk material. The research, which could be used to give unprecedented insight into the lifespan and properties of new materials, is published in Physical Review Letters.

ALS progression linked to increased protein instability

October 14, 2014 8:14 am | by Jon Weiner, Lawrence Berkeley National Laboratory | News | Comments

A new study by scientists from The Scripps Research Institute, Lawrence Berkeley National Laboratory and other institutions suggests a cause of amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig’s disease. The team's work supports a common theme whereby loss of protein stability leads to disease.

Force-sensing microrobots to probe cells

October 14, 2014 7:56 am | by Emil Venere, Purdue Univ. | News | Comments

Inexpensive microrobots capable of probing and manipulating individual cells and tissue for biological research and medical applications are closer to reality with the design of a system that senses the minute forces exerted by a robot's tiny probe. Microrobots small enough to interact with cells already exist. However, there is no easy, inexpensive way to measure the small forces applied to cells by the robots, until now.

Obama reviews foreign, domestic response to Ebola

October 13, 2014 6:38 pm | by Jim Kuhnhenn - Associated Press - Associated Press | News | Comments

President Barack Obama urged his top national security and public health officials on Monday to incorporate lessons from the most recent Texas Ebola infection into the U.S.'s response plans to the deadly virus. He also called on the international community to deliver assistance more quickly to the countries of West Africa that are struggling against the disease.

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