Comparing two strains of Salmonella – one that causes disease in humans and the other in reptiles – researchers discovered a covert way that the human-affecting bacteria essentially tricks the immune system into not attacking.
Researchers have developed a new class of molecular layer deposition chemistry that paves the way for a new photoactivated molecular layer deposition technique. They report that their new method will expand the tool kit for forming covalently bound organic multilayers at surfaces. These emerging deposition techniques have enabled engineers to produce organic thin films with improved conformality. Richard Closser, Stanford University, will present the findings at the AVS 65th International Symposium and Exhibition, Oct. 21-26, 2018.
As the phones get slimmer, the optics crisper and the processors faster, have you ever wondered what is happening behind the scenes that make these remarkable achievements possible? During the AVS 65th International Symposium and Exhibition, Oct. 21-26, Svetlana Radovanov will discuss the research and development that ultimately are used to create the particle accelerators driving these technological advances.
A team of Tufts University-led researchers has developed three-dimensional (3D) human tissue culture models for the central nervous system that mimic structural and functional features of the brain and demonstrate neural activity sustained over a period of many months.
Precise positioning of oxygens could help engineer faster, more efficient energy-relevant chemical transformations.
Researchers have developed a new test that could diagnose chronic kidney disease early in patients with type 2 diabetes. This novel method, published today in AACC’s Clinical Chemistry journal, could improve quality of life for diabetic patients by potentially catching chronic kidney disease in time to stop its progression to full-blown kidney failure.
New research from Duke and Yale universities shows flavorings are transforming more than marketing. The chemical additives react to e-liquid, or e-juice, creating new compounds that could trigger irritation and inflammation when inhaled.
A growing body of research indicates bisphenol A (BPA) levels in food containers present a public health risk. Despite this evidence, the U.S. Food and Drug Administration (FDA) continues to assert that BPA is safe for use in food packaging, based on an initial report conducted as part of the Consortium Linking Academic and Regulatory Insights on BPA Toxicity (CLARITY-BPA).
The U.S. Department of Energy is supporting development of a system for producing biobased chemicals that's based on the idea of "bioprivileged molecules." Researchers at the Center for Biorenewable Chemicals based at Iowa State University say such molecules have new and valuable properties.
To forge nanodiamonds, which have potential applications in medicine, optoelectronics and quantum computing, researchers expose organic explosive molecules to powerful detonations in a controlled environment. These explosive forces, however, make it difficult to study the nanodiamond formation process. To overcome this hurdle, researchers recently developed a procedure and a computer model that can simulate the highly variable conditions of explosions on phenomenally short time scales. They report their work in The Journal of Chemical Physics.
LIVERMORE, Calif. — Sandia National Laboratories researcher Jacqueline Chen has been elected as a fellow of the American Physical Society.This honor is afforded each year to no more than 0.5 percent of the members of the society.Chen was honored “for fundamental insights into turbulence-chemistry interactions revealed through massively parallel direct numerical simulations.
Nail polishes with ‘n-free’ labels are not necessarily free of toxic compounds
Researchers have developed designer molecules that may one day be able to seek out and trap deadly nerve agents and other toxic compounds in the environment – and possibly in humans.
Newly uncovered newspaper articles shed light on Mendel’s motivations.
The prestigious award will support the Cravatt laboratory with $7.8 million over seven years.
Optical frequency combs can enable ultrafast processes in physics, biology, and chemistry, as well as improve communication and navigation, medical testing, and security. Columbia Engineers have built a Kerr frequency comb generator that, for the first time, integrates the laser with the microresonator, significantly shrinking the system’s size and power requirements. They no longer need to connect separate devices using fiber--they can now integrate it all on compact and energy efficient photonic chips.
Experiments at Berkeley Lab helped scientists zero in on a low-temperature chemical mechanism that may help to explain the complex molecular compounds that make up the nitrogen-rich haze layer surrounding Titan, Saturn’s largest moon.
Argonne recently held a ribbon-cutting ceremony for the expanded Cell Analysis, Modeling and Prototyping (CAMP) facility.
The Household & Commercial Products Association (HCPA) is pleased to announce that the Environmental Protection Agency (EPA) Acting Administrator, Andrew Wheeler, signed the finalized Toxic Substances Control Act (TSCA) User Fees Rule into law at EPA headquarters.
Lab-on-a-chip devices harness electrical signals to measure glucose, tell apart blood type and detect viruses or cancer. But biological samples need hafnium oxide for protection from the electric fields.
AACC, a global scientific and medical professional organization dedicated to better health through laboratory medicine, is pleased to announce that David G. Grenache, PhD, DABCC, MT(ASCP), FAACC, has been elected to serve on the AACC Board of Directors as president-elect starting in January 2019. Following this, he will serve successive terms as the association’s president from August 2020-July 2021 and as past president from August 2021-July 2022. In addition, the AACC membership elected a new treasurer and two new directors to the association’s Board. They will take office at the start of 2019 along with the incoming president of AACC Academy, who will also serve on the Board.
Fuel cells have long been viewed as a promising power source. But most fuel cells are too expensive, inefficient, or both. In a new approach, inspired by biology, a University of Wisconsin–Madison team has designed a fuel cell using cheaper materials and an organic compound that shuttles electrons and protons.
American Chemical Society’s president comments on award of 2018 Nobel Prize in Chemistry
Carbon-rich pollution converted to a jet fuel will power a commercial flight for the first time today. The Virgin Atlantic Airlines’ flight from Orlando to London using a Boeing 747 will usher in a new era for low-carbon aviation that has been years in the making. Through a combination of chemistry, biotechnology, engineering and catalysis, the Pacific Northwest National Laboratory and its industrial partner LanzaTech have shown the world that carbon can be recycled and used for commercial flight.
Light-absorbing brown carbon aerosols, emitted by wildfires, remain longer in the atmosphere than expected, which could have implications for climate predictions.
Notorious asphyxiator carbon monoxide has few true admirers, but it’s favored by University of California, Irvine scientists who use it to study other molecules.
Gary Patti, the Michael and Tana Powell Associate Professor of Chemistry in Arts & Sciences at Washington University in St. Louis, has been awarded $4.8 million in two separate National Institutes of Health (NIH) grants focused on improving the accessibility of metabolomics — the study of the biochemical reactions that underlie metabolism.
Splitting up and getting back together is always hard to do, but for proteins, it's almost impossible. However, a computer-guided algorithm may help scientists find just the right spot to split a protein and then reassemble it to functionality.
Dr. Stuart Chalk, a University of North Florida chemistry professor, has been awarded a grant from the National Science Foundation to test and improve upon his data science framework, SciData, which will help make the integration of scientific data more efficient for researchers.
Argonne’s sequential infiltration synthesis technique could advance computer chip manufacturing as well as other industries.
The U.S. Department of Energy’s Ames Laboratory is launching a four-year, $3.2 million project to develop software that will bring the power of exascale computers to the computational study and design of catalytic materials.
A chemistry professor at the University of Arkansas at Little Rock has received $188,863 from the National Science Foundation to study experimental methods of developing organic optoelectronic materials. Dr. Noureen Siraj, assistant professor of analytical and physical chemistry, will work with the Center of Organic Photonics and Electronics at the Georgia Institute of Technology to characterize new materials developed at UA Little Rock that possess Förster Resonance Energy Transfer (FRET) characteristics. FRET is a radiation-free energy transfer process between chemical compounds.
A special November issue of Health Physics journal presents 13 original research papers, reviews, and commentaries related to women’s contributions to and experiences in radiation protection and safety. Health Physics, the official journal of the Health Physics Society (HPS) is published in the Lippincott portfolio by Wolters Kluwer.
UD engineers will be looking at using how a group of bacteria, usually associated with causing stomach troubles, could be used to create sources of sustainable energy.
In a new study published in the Journal of Biological Chemistry, researchers at Imperial College London and the Francis Crick Institute report some of the details of how Salmonella shuts down an immune pathway after infection.
Scientists at the University of Wisconsin–Madison and Great Lakes Bioenergy Research Center (GLBRC) with partners at the Center for Bioenergy Innovation (CBI) have shown that a recently-discovered variety of the substance, catechyl lignin (C-lignin), has attributes that could make it well-suited as the starting point for a range of bioproducts.
Researchers at Rutgers Robert Wood Johnson Medical School have identified an important step in the process that allows our bodies to fight viruses.
A tumor-specific vaccine combined with an immune checkpoint inhibitor shrank tumors in one third of patients with incurable cancer related to the human papilloma virus (HPV) in a phase II clinical trial led by investigators at The University of Texas MD Anderson Cancer Center and reported in JAMA Oncology.
In an evaluation of the safety and abuse research on the drug in hallucinogenic mushrooms, Johns Hopkins researchers suggest that if it clears phase III clinical trials, psilocybin should be re-categorized from a schedule I drug—one with no known medical potential—to a schedule IV drug such as prescription sleep aids, but with tighter control.
A unique combination of imaging tools and atomic-level simulations has allowed a team led by the Department of Energy’s Oak Ridge National Laboratory to solve a longstanding debate about the properties of a promising material that can harvest energy from light.
A newly developed drug can prevent the most common type of pancreatic cancer from growing and spreading in laboratory mice, according to a study led by Cedars-Sinai. The study also demonstrated in mice that the drug, Metavert, may prevent patients from developing a resistance to currently used pancreatic cancer chemotherapies.
Research from the Monell Center extends the scope and significance of personal odors as a source of information about an individual’s health. A new paper reveals that the bodily odors of otherwise healthy animals sharing an environment with sick animals become like the odors of the sick animals.
Savanna Dautle, an intern from Rowan University in Glassboro, New Jersey, spent her summer working with assistant chemist David Bross at the U.S. Department of Energy’s (DOE) Argonne National Laboratory.
New 3D maps of water distribution during cellular membrane fusion could lead to new treatments for diseases associated with cell fusion. Using neutron diffraction at Oak Ridge National Laboratory, scientists made the first direct observations of water in lipid bilayers modeling cell membrane fusion.
Imagine your liver being just a big puddle. Some organelles in your cells are exactly that including prominent ones like the nucleolus. Now a synthetic organelle engineered in a lab at Georgia Tech shows how such puddle organs can carry out complex life-sustaining reaction chains.
The Penn State Department of Chemical Engineering’s cutting-edge work in the nascent field of artificial water channels was the subject of a recent Faraday Discussions conference held by the Royal Society of Chemistry and a breakthrough paper in the journal Nature Communications.
“We used our data-driven tools to derive significant insight into how the process works that allows us to design the correct additives to get the desired outcomes,” Sigman said. The results allow chemists to control which stereochemical product comes out of the reaction, simply by selecting the right ligand. It’s more than just a laboratory convenience, though. The study also reveals much more about how this important chemical process works.
Lei Cheng, an assistant chemist in the Materials Science division at the U.S. Department of Energy’s (DOE) Argonne National Laboratory, has received a Midwest Energy News 40 Under 40 Award.
$20 million will fund four academic centers to launch the National Career Development Consortium for Excellence in Glycosciences Training
Chemists at Oak Ridge National Laboratory have demonstrated a practical, energy-efficient method of capturing carbon dioxide directly from air. If deployed at large scale and coupled to geologic storage, the technique may bolster the portfolio of responses to global climate change.
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