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Bacteria May Exploit Methane, Protect Environment

September 1, 2015 | by Newcastle Univ. | News | Comments

New insight into methanotrophs, bacteria that can oxidize methane, may help us develop an array of biotechnological applications that exploit methane and protect our environment from this potent greenhouse gas.

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Lab Daily

Cellular Contamination Pathway for Plutonium, Other Heavy Elements, Identified

September 3, 2015 12:02 pm | by Lawrence Berkeley National Laboratory | News | Comments

​Scientists at Lawrence Berkeley National Laboratory (Berkeley Lab) have reported a major advance in understanding the biological chemistry of radioactive metals, opening up new avenues of research into strategies for remedial action in the event of possible human exposure to nuclear contaminants.

New Approach to ID Toxic Compounds in Everyday Materials

September 3, 2015 11:58 am | by NSF | News | Comments

For decades, a particular class of toxic chemicals was added to everything from clothing to carpeting to fire-fighting foams to make them stain- or water-resistant or nonstick--until scientists discovered the compounds were toxic. But how can we be sure that the raw materials those companies obtain, like the fabric for a shirt, aren't already tainted with them?

X-rays Reveal Fossil Secrets

September 3, 2015 11:51 am | by University of Bristol | News | Comments

A sophisticated imaging technique has allowed scientists to virtually peer inside a 10-million-year-old sea urchin, uncovering a treasure trove of hidden fossils. The international team of researchers from the United Kingdom, Spain and Germany, including Dr Imran Rahman from the University of Bristol, studied the exceptional specimen with the aid of state-of-the-art X-ray computed tomography (CT).


Comet Impacts Kickstarted Chemical Evolution in the Solar System

September 1, 2015 9:00 am | by European Association for Geochemistry | News | Comments

Comet impact on Earth are synonymous with great extinctions, but now research shows that early comet impact would have become a driving force to cause substantial synthesis of peptides– the first building blocks of life. This may have implications for the genesis of life on other worlds.

Viagra, Other Ingredients Hide in Dietary Supplements

August 20, 2015 9:00 am | by ACS | News | Comments

To lose weight, boost energy or soothe nerves, many consumers turn to dietary supplements. But some of these products contain undeclared substances. To protect consumers from taking something without their knowledge, scientists have developed a technique to determine what secret ingredients could be lurking in these supplements.

Method Sheds Light on the Reactions Powering Fuel Cells

August 20, 2015 9:00 am | by UCLA | News | Comments

Researchers have developed a dramatically advanced tool for analyzing how chemicals called nanocatalysts convert chemical reactions into electricity. Current spectroscopy methods require large laboratory machines to measure chemical reactions, but a new technique uses a nanoelectronic chip to do the same thing while the reactions are taking place— which previously was very difficult— with better accuracy.

Platform May Detect UTIs Faster

August 20, 2015 9:00 am | by American Institute of Physics | News | Comments

Urinary tract infections (UTIs) can quickly move from being a merely miserable experience to a life-threatening condition. Untreated cases may trigger sepsis a major killer that accounts for about half of the hospital deaths in the U.S. by some estimates. A team has described creating a lab-on-a-disc platform that combines microfluidics and Raman microscopy to spot UTIs quickly.

Oceanographers Solve Mystery of Beach Explosion

August 20, 2015 9:00 am | by Univ. of Rhode Island | News | Comments

When an explosion beneath the sand at Salty Brine State Beach in Narragansett, Rhode Island, injured a visiting vacationer, state and local police and the bomb squad found no evidence of what may have caused the blast. State officials then turned to scientists. It didn’t take long before they solved the mystery.


‘Graffiti’ Tells Tale of 500 Years of Climate Change

August 20, 2015 9:00 am | by Univ. of Cambridge | News | Comments

Unique inscriptions found in a cave in China, combined with chemical analysis of cave formations, show how droughts affected the local population over the past five centuries, and underline the importance of implementing strategies to deal with climate change in the coming years.

Chemical Blueprint May Be Solution to Stone Theft

August 4, 2015 9:00 am | by Loughborough Univ. | News | Comments

Rural parts of Britain have been experiencing a surge in stone thefts recently, including paving slabs and garden ornaments. Scientists hope their early trials of a new chemical blueprint technique could assist a crackdown on stone theft.

Oxygen Creates Detailed Architectures in Uranium Dioxide

August 4, 2015 9:00 am | by Pacific Northwest National Laboratory | News | Comments

Corrosion follows a different path when it comes to uranium dioxide, the primary component of the rods that power nuclear reactors, according to a new study. In uranium dioxide, the oxygen atoms— key corrosion creators— do not diffuse randomly through the material.

Method May Date Moon Rocks During Spaceflight

August 4, 2015 9:00 am | by Wiley | News | Comments

Many of the techniques used to date rocks on Earth are not practical in spaceflight. So, researchers are developing instruments and methods for measuring the ages of rocks encountered during space missions to the Moon or other planets.

Busted: Roundup Doesn’t Gather in Breast Milk

August 4, 2015 9:00 am | by Washington State Univ. | News | Comments

Scientists have found that glyphosate, the main ingredient in the herbicide Roundup, does not accumulate in mother’s breast milk. The EPA is using the study as part of an ongoing review of glyphosate regulations prompted by public concern over a controversial report on the chemical released by the advocacy group, Moms Across America, last year.

Quantum-dot Spectrometer Enables Portable Light Analysis

July 23, 2015 9:00 am | by MIT, Anne Trafton | News | Comments

Instruments that measure the properties of light, known as spectrometers, are widely used in physical, chemical and biological research. These devices are usually too large to be portable, but scientists have shown they can create spectrometers small enough to fit inside a smartphone camera, using tiny semiconductor nanoparticles called quantum dots.

X-Rays, Electrons Map Catalytic Reactions in Real-time

July 23, 2015 9:00 am | by Brookhaven National Laboratory | News | Comments

A new technique reveals atomic-scale changes during catalytic reactions in real-time and under real operating conditions. A team of scientists used a newly developed reaction chamber to combine x-ray absorption spectroscopy and electron microscopy for an unprecedented portrait of a common chemical reaction.

Nanotubes Key to Understanding Diseases

July 23, 2015 9:00 am | by Univ. of Cincinnati | News | Comments

Cancer researchers are collaborating with material scientists to create and use nanotubes to capture and understand the regulation of proteins involved in a variety of diseases including certain cancers, cardiovascular diseases and obesity.

New Food Safety Method IDs Edible, Gutter Oils

July 23, 2015 9:00 am | by The Hong Kong Polytechnic Univ. | News | Comments

Authentication of edible oils has been a long-term issue in food safety, and became particularly important with the emergence and widespread use of gutter oils in recent years. Now, researchers have developed a new method for rapid authentication of edible oils and screening of gutter oils.

Research Unravels Atmospheric Mysteries

July 7, 2015 9:00 am | by Univ. of Colorado Boulder | News | Comments

It’s been difficult to explain patterns of toxic mercury in some parts of the world, such as why there’s so much of the toxin deposited into ecosystems from the air in the southeastern U.S., even upwind of usual sources. But, a new analysis shows that one key to understanding mercury’s strange behavior may be the unexpected reactivity of naturally occurring halogen compounds from the ocean.

Bacterial Fight Clubs Discover New Drugs

July 7, 2015 9:00 am | by Vanderbilt Univ. | News | Comments

Creating bacterial “fight clubs” is an effective way to find new drugs from natural sources. That is the conclusion of a team of chemists who have been exploring ways to get bacteria to produce biologically active chemicals that they normally hold in reserve.

Research Precisely Ages Planet-hosting Stars

July 7, 2015 9:00 am | by Aarhus Univ. | News | Comments

Research studying 33 stars found that even stars older than 11-billion-years have Earth-like planets. This constitutes the best characterized set of exoplanet host stars currently available.


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