Feature Channels: Chemistry

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Released: 3-Jul-2017 3:05 PM EDT
Sir Fraser Stoddart Selected as 2017 ‘Great Immigrant’
Northwestern University

Nobel laureate Sir Fraser Stoddart has been named one of 38 “Great Immigrants” for 2017 by the Carnegie Corporation of New York, which celebrates contributions of naturalized U.S. citizens annually on July 4.

30-Jun-2017 12:05 PM EDT
New Studies of Ancient Concrete Could Teach Us to Do as the Romans Did
Lawrence Berkeley National Laboratory

A new look inside 2,000-year-old Roman concrete has provided new clues to the evolving chemistry and mineral cements that allow ancient harbor structures to withstand the test of time.

29-Jun-2017 8:55 AM EDT
New Study Links Antibiotic Resistance to Common Household Disinfectant Triclosan
University of Birmingham

Scientists from the University of Birmingham and Norwich Research Park have discovered a link between a major mechanism of antibiotic resistance and resistance to the disinfectant triclosan which is commonly found in domestic products.

Released: 29-Jun-2017 5:05 PM EDT
Gonzaga University Abuzz This Summer with Faculty-Led Undergraduate Science Research
Gonzaga University

SPOKANE, Wash. – Although school is out for summer for most Gonzaga University students, the science labs are teeming with undergraduates’ research. Sixty-four science students are working alongside 25 faculty mentors in the lab and field conducting innovative research on topics ranging from waterfowl ecology to methane production and consumption in anaerobic environments.

Released: 29-Jun-2017 10:30 AM EDT
Bright Thinking Leads to Breakthrough in Nuclear Threat Detection Science
Sandia National Laboratories

Taking inspiration from an unusual source, a Sandia National Laboratories team has dramatically improved the science of scintillators — objects that detect nuclear threats. According to the team, using organic glass scintillators could soon make it even harder to smuggle nuclear materials through America’s ports and borders.

Released: 29-Jun-2017 8:05 AM EDT
Banned Chemicals Pass Through Umbilical Cord From Mother to Baby, Research Finds
Indiana University

Trace amounts of flame retardants, banned in the U.S. for more than a decade, are still being passed through umbilical cord blood from mothers to their babies, according to new Indiana University research.

Released: 28-Jun-2017 9:05 PM EDT
Tiny “Tornado” Boosts Performance of Electrospray Ionization Mass Spectrometry
Georgia Institute of Technology

Adding the equivalent of a miniature tornado to the interface between electrospray ionization (ESI) and a mass spectrometer (MS) has allowed researchers to improve the sensitivity and detection capability of the widely-used ESI-MS analytical technique.

Released: 28-Jun-2017 6:05 PM EDT
What’s On Your Skin? Archaea, That’s What
Lawrence Berkeley National Laboratory

It turns out your skin is crawling with single-celled microorganisms – ¬and they’re not just bacteria. A study by the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) and the Medical University of Graz has found that the skin microbiome also contains archaea, a type of extreme-loving microbe, and that the amount of it varies with age.

Released: 28-Jun-2017 2:05 PM EDT
Bacteria-Coated Nanofiber Electrodes Clean Pollutants in Wastewater
Cornell University

Cornell University materials scientists and bioelectrochemical engineers may have created an innovative, cost-competitive electrode material for cleaning pollutants in wastewater.

Released: 28-Jun-2017 9:00 AM EDT
Sandia Creates Better ‘Fingerprints’ to Detect Elusive, Valuable Chemical Compounds
Sandia National Laboratories

Imagine being able to see the entire Statue of Liberty and a small ant on its nose simultaneously. The drastic difference in size between the two objects would seem to render this task impossible. On a molecular level, this is exactly what a team led by Sandia National Laboratories chemists David Osborn and Carl Hayden accomplished with a special, custom-made instrument that has enhanced the power of a method called photoelectron photoion coincidence, or PEPICO, spectroscopy. This enhanced method could yield new insights into chemical reactions in the troposphere (the lowest layer of the Earth’s atmosphere) and in low-temperature combustion.

Released: 27-Jun-2017 4:55 PM EDT
Researchers Define Structure of Key Enzyme Implicated in Cancer, Neurological Disease
Stony Brook University

A Stony Brook University-led team of researchers has determined the structure of a key enzyme involved with cell growth regulation in cancer and neurodegenerative diseases, including Alzheimer’s disease.

Released: 27-Jun-2017 4:05 PM EDT
'On Your Mark, Get Set' Neutrons Run Enzyme’s Reactivity for Better Biofuel Production
Oak Ridge National Laboratory

Producing biofuels like ethanol from plant materials requires various enzymes to break down the cellulosic fibers. Researchers from ORNL and NC State used neutrons to identify the specifics of an enzyme-catalyzed reaction that could significantly reduce the total amount of enzymes used, improving production processes and lowering costs.

Released: 27-Jun-2017 8:05 AM EDT
Breaking the Rules to Make Electricity from Waste Heat
Department of Energy, Office of Science

More atomic bonds is the key for performance in a newly discovered family of cage-structured compounds.

Released: 26-Jun-2017 6:30 PM EDT
Night Shift Work Associated with Diminished Ability to Repair DNA Damage
Fred Hutchinson Cancer Center

A Fred Hutchinson Cancer Research Center study, led by epidemiologist Dr. Parveen Bhatti, found that night shift work is associated with reduced ability to repair DNA lesions. Over time, DNA damage that is not repaired will cause mutations that can lead to cancer.

Released: 26-Jun-2017 11:00 AM EDT
Pulling the Tablecloth Out From Under Essential Metabolism
Washington University in St. Louis

Most organisms share the biosynthetic pathways for making crucial nutrients because it is is dangerous to tinker with them. But now a collaborative team of scientists has caught plants in the process of altering where and how cells make an essential amino acid.

Released: 26-Jun-2017 11:00 AM EDT
Detecting Diluteness
Washington University in St. Louis

Engineers at Washington University in St. Louis and Princeton University developed a new way to dive into the cell's tiniest and most important components. What they found inside membraneless organelles surprised them, and could lead to better understanding of fatal diseases including cancer, Huntington's and ALS.

22-Jun-2017 11:00 AM EDT
Peanut Family Secret for Making Chemical Building Blocks Revealed
University of Wisconsin–Madison

The peanut and its kin have not one, but two ways to make the amino acid tyrosine, one of the 20 required to make all of its proteins, and an essential human nutrient. That might seem small, but why this plant family has a unique way to make such an important chemical building block is a mystery that has captured the attention of Hiroshi Maeda, a professor of botany at the University of Wisconsin–Madison.

Released: 26-Jun-2017 9:05 AM EDT
New Class of Porous Materials Better Separates Carbon Dioxide from Other Gases
Department of Energy, Office of Science

Enhanced stability in the presence of water could help reduce smokestack emissions of greenhouse gases.

19-Jun-2017 9:05 PM EDT
Genes Are Not Fixed, Experience and Exposure Can Change Them
Research Society on Alcoholism

Epigenetics refers to how certain life circumstances can cause genes to be silenced or expressed, become dormant or active, over time. New research shows that adolescent binge drinking can lead to epigenetic reprogramming that predisposes an individual to later psychiatric disorders such as anxiety. These data will be shared at the 40th annual scientific meeting of the Research Society on Alcoholism (RSA) in Denver June 24-28.

   
Released: 23-Jun-2017 7:05 AM EDT
Does the Emperor Have Clothes?
Harvard Medical School

Decades after the discovery of anti-obesity hormone, scant evidence that leptin keeps lean people lean, scientists caution

19-Jun-2017 9:05 AM EDT
New Efficient, Low-Temperature Catalyst for Converting Water and CO to Hydrogen Gas and CO2
Brookhaven National Laboratory

Scientists have developed a new low-temperature catalyst for producing high-purity hydrogen gas while simultaneously using up carbon monoxide (CO). The discovery could improve the performance of fuel cells that run on hydrogen fuel but can be poisoned by CO.

Released: 22-Jun-2017 12:05 PM EDT
UK Chemistry Researchers Develop Catalyst that Mimics the Z-Scheme of Photosynthesis
University of Kentucky

Published in Applied Catalysis B: Environmental, the study demonstrates a process with great potential for developing technologies for reducing CO2 levels.

Released: 22-Jun-2017 11:45 AM EDT
Healthcare Providers Could Prevent Opioid-Related Deaths by Testing for Certain Genes
Association for Diagnostic and Laboratory Medicine (ADLM (formerly AACC))

A review published today in AACC’s Clinical Chemistry journal has identified 10 genes that show promise in predicting how patients will respond to opioid pain medications. Using these genetic markers, healthcare providers could potentially tailor opioid therapy better to curb the skyrocketing rate of deaths from these drugs.

Released: 22-Jun-2017 11:05 AM EDT
Merelaniite Named Mineral of the Year
Michigan Technological University

Named for the region in Tanzania where it comes from, the International Mineralogical Association has declared merelaniite Mineral of the Year for 2016. An international team of mineral enthusiasts and scientists unraveled the mysterious layers that make up merelaniite's unique structure.

Released: 22-Jun-2017 9:00 AM EDT
Angelman Biomarkers and Outcome Measures Alliance and Roche Begin Patient-Centered Qualitative Research to Inform Potential Outcome Measures for Angelman Syndrome Clinical Trials
The Angelman Biomarkers and Outcome Measures Alliance (A-BOM)

A collaborative group of parent-driven organizations seeking a cure for Angelman syndrome has teamed up with F. Hoffmann-La Roche Ltd, (Roche), one of the world’s largest pharmaceutical and diagnostics companies, in the first phase of a study that will support the design of human clinical trials and treatment development for the disorder.

19-Jun-2017 8:05 PM EDT
R&D Gives Magnetic Boost to Next-Gen X-ray Laser Projects
Lawrence Berkeley National Laboratory

Teams of researchers working in a multi-lab collaboration have designed, built, and tested two magnetic devices called superconducting undulators. The effort could lead to a next generation of more powerful, versatile, compact, and durable X-ray lasers.

14-Jun-2017 1:05 PM EDT
Illuminating a Better Way to Calculate Excitation Energy
American Institute of Physics (AIP)

In a new study appearing this week in The Journal of Chemical Physics, researchers demonstrate a new method to calculate excitation energies. They used a new approach based on density functional methods, which use an atom-by-atom approach to calculate electronic interactions. By analyzing a benchmark set of small molecules and oligomers, their functional produced more accurate estimates of excitation energy compared to other commonly used density functionals, while requiring less computing power.

19-Jun-2017 3:00 PM EDT
Differences in Sea Spray Particle Chemistry Linked to Formation Processes of Drops by Bubbles in Breaking Waves
University of California San Diego

A team of researchers led by the University of California San Diego has identified for the first time what drives the observed differences in the chemical make-up of sea spray particles ejected from the ocean by breaking waves.

13-Jun-2017 9:05 PM EDT
To Connect Biology with Electronics, Be Rigid, Yet Flexible
University of Washington

Scientists have measured a thin film made of a single type of conjugated polymer — a conducting plastic — as it interacted with ions and electrons. They show how there are rigid and non-rigid regions of the film, and that these regions could accommodate electrons or ions — but not both equally.

Released: 16-Jun-2017 2:05 PM EDT
Research Finds Common Household Chemicals Lead to Birth Defects in Mice
Virginia Tech

A new study at the Edward Via College of Osteopathic Medicine (VCOM) and the Virginia-Maryland College of Veterinary Medicine at Virginia Tech has found a connection between common household chemicals and birth defects.

Released: 15-Jun-2017 1:00 PM EDT
Clinical Chemistry Impact Factor Rises to 8, the Highest in the History of the Journal
Association for Diagnostic and Laboratory Medicine (ADLM (formerly AACC))

AACC, a global scientific and medical professional organization dedicated to better health through laboratory medicine, is pleased to announce that the impact factor of its journal, Clinical Chemistry, has risen to 8.008 in the 2016 Thomson Reuters Journal Citation Reports. This impact factor places Clinical Chemistry in the top 2.6% of 12,062 ranked academic journals and speaks to the significant influence of the science it publishes on laboratory medicine and patient care.

Released: 15-Jun-2017 11:05 AM EDT
Synthetic Development of Low-Dimensional Nanomaterials Could Revolutionize Future Technologies
Ames National Laboratory

Javier Vela, scientist at the U.S. Department of Energy’s Ames Laboratory, believes improvements in computer processors, TV displays and solar cells will come from scientific advancements in the synthesis of low-dimensional nanomaterials.

Released: 14-Jun-2017 1:45 PM EDT
Experimental Drug Co-Developed by Moffitt Cancer Center Researcher Shows Promise
Moffitt Cancer Center

The investigation found that the drug, geranylgeranyltransferase inhibitor GGTI-2418 suppresses a new defective PTEN cancer pathway discovered by Pagano’s group.

Released: 13-Jun-2017 6:05 PM EDT
Shape and Size of DNA Lesions Caused by Toxic Agents Affects Repair of DNA
University of California San Diego

A team led by New York University researchers has identified and described how a major player in the repair process, called nucleotide excision repair or NER, works to recognize certain lesions for subsequent removal by the NER machinery.

Released: 13-Jun-2017 2:05 PM EDT
E. Coli Bacteria's Defense Secret Revealed
Cornell University

By tagging a cell’s proteins with fluorescent beacons, Cornell University researchers have found out how E. coli bacteria defend themselves against antibiotics and other poisons. Probably not good news for the bacteria.

Released: 13-Jun-2017 1:05 PM EDT
Small Scale, Big Improvements
University of Delaware

Chemical reactions that make improvements in water purification and batteries possible occur at scales too small to see. A team including a UD researcher has developed a way to produce real-time observations documenting the reactions that happen between liquids and solids.

Released: 13-Jun-2017 12:05 PM EDT
Researchers Show How a Cancer Gene Protects Genome Organization
University of North Carolina Health Care System

UNC School of Medicine researchers have cracked a long-standing mystery about an important enzyme called Set2 found in virtually all organisms other than bacteria. The basic science finding may have implications for understanding cancer development and how to halt it.

   
8-Jun-2017 10:05 AM EDT
Helium Droplets Offer New Precision to Single-Molecule Laser Measurement
American Institute of Physics (AIP)

Chemical reactions necessarily involve molecules coming together, and the way they interact can depend on how they are aligned relative to each other. By knowing and controlling the alignment of molecules, a great deal can be learned about how chemical reactions occur. This week in The Journal of Chemical Physics, scientists from Denmark and Austria report a new technique for aligning molecules using lasers and very cold droplets of helium.

8-Jun-2017 12:05 PM EDT
Shining Light on Low-Energy Electrons
American Institute of Physics (AIP)

The classic method for studying how electrons interact with matter is by analyzing their scattering through thin layers of a known substance. This happens by directing a stream of electrons at the layer and analyzing the subsequent deviations in the electrons’ trajectories. But researchers in Switzerland have devised a way to examine the movement of low-energy electrons that can adversely impact electronic systems and biological tissue. They discuss this in this week’s The Journal of Chemical Physics.

9-Jun-2017 3:00 PM EDT
Researchers Find a Surprise Just Beneath the Surface in Carbon Dioxide Experiment
Lawrence Berkeley National Laboratory

An X-ray technique, coupled with theoretical work, revealed how oxygen atoms embedded very near the surface of a copper sample had a more dramatic effect on the early stages of the reaction with carbon dioxide (CO2) than earlier theories could account for. This information could prove useful in designing new types of materials to further enhance reactions and make them more efficient in converting carbon dioxide into liquid fuels and other products.

8-Jun-2017 3:05 PM EDT
Uncovered: 1000 New Microbial Genomes
Lawrence Berkeley National Laboratory

Microbes play important roles in regulating Earth’s biogeochemical cycles and in Nature Biotechnology, U.S. Department of Energy Joint Genome Institute scientists report the release of 1,003 phylogenetically diverse bacterial and archaeal reference genomes—the single largest release to date.

Released: 9-Jun-2017 12:05 PM EDT
NSF Grant to Support Program Tackling ‘Heavy Metals’ in Chicago
University of Illinois Chicago

UIC receives NSF grant to develop high school programs to study urban 'heavy metals' pollution in Chicago.

Released: 9-Jun-2017 11:05 AM EDT
How to Reduce Shockwaves in Quantum Beam Experiments
Weizmann Institute of Science

Weizmann Institute of Science researchers used aeronautical engineering to devise a simple method of reducing shockwaves and brightening beams. The method was inspired by the similarity of the “skimmers” used in physics experiments to the air intake mechanisms on air and spacecraft.

Released: 9-Jun-2017 10:05 AM EDT
Chemicals Used to Combat Zika, Agricultural Pests Impact Motor Skills in Infants
University of Michigan

A chemical currently being used to ward off mosquitoes carrying the Zika virus and a commonly used insecticide that was threatened with a ban in the United States have been associated with reduced motor function in Chinese infants, a University of Michigan study found.

   
Released: 9-Jun-2017 1:00 AM EDT
University of Iowa Study Examines Link Between Obesity and Food Container Chemical Substitutes
University of Iowa

A new study from the University of Iowa shows that a pair of common chemicals that manufacturers use to make plastic food containers, water bottles, and other consumer products do not contribute to obesity to the extent of the chemical it’s replacing.

Released: 8-Jun-2017 4:05 PM EDT
The World’s Most Powerful X-Ray Laser Beam Creates ‘Molecular Black Hole’
Argonne National Laboratory

With the most highly focused power of the world’s most powerful X-ray laser, scientists from a number of institutions around the world – including Argonne National Laboratory – have conducted a new experiment that takes apart molecules electron by electron.

Released: 8-Jun-2017 3:05 PM EDT
Cynthia Jenks Named Director of Argonne’s Chemical Sciences and Engineering Division
Argonne National Laboratory

Argonne has named Cynthia Jenks the next director of the laboratory’s Chemical Sciences and Engineering Division. Jenks currently serves as the assistant director for scientific planning and the director of the Chemical and Biological Sciences Division at Ames Laboratory.

Released: 8-Jun-2017 12:20 PM EDT
Researching Radiosensitizers, a New Class of Drugs That Would Make Tumors More Vulnerable to Radiation Therapy
Southern Research

Two out of three cancer patients are treated with radiation, but the therapy often fails to wipe out the tumor or slow its growth. Southern Research is working to develop a new class of drugs that will help the radiation deliver a more powerful punch to the disease.

   
Released: 8-Jun-2017 12:05 PM EDT
Polymer Removes Highly Toxic Pollutant From Water
Northwestern University

A Northwestern University-led research team has discovered an inexpensive and renewable material that rapidly removes PFOA, a highly toxic pollutant, from water. The treatment effectively eliminates the micropollutant, which has plagued several U.S. communities' water supplies last year.



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