Sulfur Current Events | Page 2

Sulfur Current Events, Sulfur News Articles.
Sort By: Most Viewed | Most Recent
Page 2 of 24 | 928 Results
All-solid-state lithium-sulfur batteries with high capacity and long life
Toyohashi University of Technology researchers have made an active sulfur material and carbon nanofiber (CNF) composite using a low-cost and straightforward liquid phase process. All-solid-state lithium-sulfur batteries using a sulfur-CNF composite material obtained by liquid phase process show a higher discharge capacity and better cycle stability than those of lithium-ion secondary batteries. Thus, this all-solid-state lithium-sulfur batteries enable leading to applications in large scale batteries such as electric vehicles in the future. (2020-03-05)

Origins of sulfur in rocks tells early oxygen story
Sedimentary rocks created more than 2.4 billion years ago sometimes have an unusual sulfur isotope composition thought to be caused by the action of ultra violet light on volcanically produced sulfur dioxide in an oxygen poor atmosphere. Now a team of geochemists can show an alternative origin for this isotopic composition that may point to an early, oxygen-rich atmosphere. (2009-04-16)

Nickel ferrite promotes capacity and cycle stability of lithium-sulfur battery
Recently, Xue-Ping Gao and co-workers from Nankai University reported that nickel ferrite nanofibers via electrospinning technology are developed as novel polar host of sulfur, thus leading to high volumetric capacity and good cycle stability of the sulfur-based composite with the high tap density, due to the strong adsorption ability towards soluble polysulfides by heavy nickel ferrite. (2018-06-12)

Looking for the next leap in rechargeable batteries
USC researchers may have just found a solution for one of the biggest stumbling blocks to the next wave of rechargeable batteries -- small enough for cellphones and powerful enough for cars. (2017-02-17)

How plants in the cabbage family look inward when sulfur is scarce
Studying genetically modified model plants from the cabbage family, researchers at Kyushu University found that disrupting the production of two enzymes in thale cress plants growing in sulfur-deficient environments further stunts growth by reducing their ability to breakdown sulfur-containing glucosinolates. This new insight could one day help shed light on designing strategies for improving the content of health-beneficial glucosinolates in related crops and promoting effective sulfur utilization in modern agriculture. (2020-02-12)

Better batteries from waste sulfur
A new chemical process can transform waste sulfur into a lightweight plastic that may improve batteries for electric cars, reports a University of Arizona-led team. The team has successfully used the new plastic to make lithium-sulfur batteries. The team's discovery could provide a new use for the sulfur left over when oil and natural gas are refined into cleaner-burning fuels. Other potential applications for the new plastic include optical uses. (2013-04-14)

Scripps Florida scientists determine how antibiotic gains cancer-killing sulfur atoms
In a discovery with implications for future drug design, scientists from the Florida campus of The Scripps Research Institute have shown an unprecedented mechanism for how a natural antibiotic with antitumor properties incorporates sulfur into its molecular structure, an essential ingredient of its antitumor activity. (2015-08-10)

Heavily-used pesticide linked to breathing problems in farmworkers' children
New study finds that elemental sulfur is linked to reduced lung function, more asthma-related symptoms and higher asthma medication use in children living about a half-mile or less from farms that use the pesticide. (2017-08-16)

Earth now and 2.5 billion years ago: New study of air helps understanding both
An international collaboration of USTC and UCSD revealed surprising information about both the origins of life on Earth and modern sources of air pollution in China from sulfur isotope. (2018-08-08)

UMD finding may hold key to Gaia hypothesis
Is Earth really a sort of giant living organism as the Gaia hypothesis predicts? (2012-05-15)

New isomer separation method a boon for research on protein oxidation
Oxidation of the sulfur atom in methionine is an important biomolecular reaction that can have a wide range of biological consequences depending on the context and the protein involved. Chemists at UC Santa Cruz have reported a new method for separation of methionine sulfoxide diastereomers that opens up new opportunities for studying their roles in biological processes. (2020-04-09)

Fe-TAML(R) activators developed at Carnegie Mellon remove recalcitrant sulfur from automotive fuels
More than 85 percent of recalcitrant sulfur compounds in refined automotive fuels can be easily removed using a powerful, environmentally friendly catalyst called a Fe-TAML® activator developed by Carnegie Mellon University scientists. This research will be presented by researchers from Carnegie Mellon University in New York City on Wednesday, Sept. 10, at the 226th annual meeting of the American Chemical Society. (2003-09-10)

Fools' gold found to regulate oxygen
The sulfur-based chemistry of iron pyrite seems to play a major role in atmospheric oxygen concentrations. (2012-07-23)

Iraq war service: A risk factor for bronchiolitis?
A large group of soldiers returning from Iraq have been diagnosed with bronchiolitis, a disease affecting the small airways of the lung, according to Vanderbilt University Medical Center physicians who will present their findings at the American Thoracic Society's 2008 International Conference in Toronto on Wednesday, May 21. (2008-05-21)

Agriculture replaces fossil fuels as largest human source of sulfur to the environment
Historically, coal-fired power plants were the largest source of reactive sulfur, a component of acid rain, to the biosphere. A new study shows that fertilizer and pesticide applications to croplands are now the most important source of sulfur to the environment. (2020-08-10)

Sulfur amino acid restriction could amount to new dietary approach to health
The longevity and health improvements seen in animals on sulfur amino acid-restricted diets could translate to people, according to Penn State College of Medicine researchers who recently conducted a review of published studies. More research is needed to confirm the benefits in people, the scientists said. (2018-04-03)

Renewable resource: To produce vital lipoic acid, sulfur is used, then replenished
New research shows how a protein is consumed, then reconstituted, during the production of a compound required for converting energy from food into a form that can be used by our cells. The results could help scientists to understand why humans with a fatal condition -- defects in an iron-sulfur carrier gene -- have deficiencies in this lipoic acid compound. (2017-10-19)

Notre Dame research could improve sustainability and cost effectiveness of wastewater treatment
University of Notre Dame researcher Robert Nerenberg is pursuing a promising new line of research that has the capability of significantly decreasing chemical costs and carbon footprint of wastewater treatment. (2012-11-16)

Sulfur in every pore
Lithium-sulfur batteries may be the power storage devices of the future. Newly developed porous nanoparticles containing sulfur deliver optimized battery performance. (2012-04-10)

What's behind smelly wine
Aging often improves the flavor of wine, but sometimes the beverage emerges from storage with an unpleasant smell. One of the prime culprits is hydrogen sulfide, which can give the affected wine an aroma of sewage or rotten eggs. In a report in ACS' >Journal of Agricultural and Food Chemistry, researchers have now identified some potential sources of this stinky compound. (2018-12-12)

Strong odor challenge of mercaptans
Pd/NHC Catalytic system, developed in the Ananikov laboratory, targeted on alternative technology of chemical utilization of organic sulfur species from crude oil. (2015-11-13)

MIT, Harvard offer solution to Mars enigma
Planetary scientists have puzzled for years over an apparent contradiction on Mars. Abundant evidence points to an early warm, wet climate on the red planet, but there's no sign of the widespread carbonate rocks, such as limestone, that should have formed in such a climate. (2007-12-21)

Next-generation batteries take major step toward commercial viability
A group of researchers in the Cockrell School of Engineering at The University of Texas at Austin has found a way to stabilize one of the most challenging parts of lithium-sulfur batteries, bringing the technology closer to becoming commercially viable. (2020-04-28)

Life in Earth's primordial sea was starved for sulfate
The findings paint a new portrait of our planet's early biosphere and primitive marine life. Organisms require sulfur as a nutrient, and it plays a central role in regulating atmospheric chemistry and global climate. (2014-11-06)

Sulfur signature changes thoughts on atmospheric oxygen
Ancient sediments that once resided on a lake bed and the ocean floor show sulfur isotope ratios unlike those found in other samples from the same time, calling into question accepted ideas about when the Earth's atmosphere began to contain oxygen, according to researchers from the U.S., Canada and Japan. (2006-08-23)

Understanding the impact of defects on the properties of moS2
Highly desired in the petrochemical industry, but generally unwanted in electronics manufacture, defects in MoS2 influence the properties and utility of this material. Analysis of atomically thin MoS2 reveals how defects behave and relate to MoS2's anomalies. (2017-12-21)

Illinois chemists spray their way to better catalysts
Using a technique called ultrasonic spray pyrolysis, researchers at the University of Illinois at Urbana-Champaign have created an improved catalyst for removing smelly sulfur-containing compounds from gasoline and other fossil fuels. The improved catalyst is a form of molybdenum disulfide, most commonly recognized as the black lubricant used to grease automobiles and machinery. (2005-07-11)

Value-added sulfur scrubbing
Power plants that burn fossil fuels remain the main source of electricity generation across the globe. Modern power plants have scrubbers to remove sulfur compounds from their flue gases, which has helped reduce the problem of acid rain. Now, researchers in India have devised a way to convert the waste material produced by the scrubbing process into value-added products. They describe details in the International Journal of Environment and Pollution. (2010-10-21)

Lowering The Temperature On The SOx NOx Rox Box
Penn State researchers have bench and pilot tested a low temperature nitrogen oxide reduction catalyst with an eye to eventual use in small production boiler systems. (1997-08-28)

Study finds declining sulfur levels
A University of Illinois study drawing from over 20 years of data shows that sulfur levels in Midwest watersheds and rivers have steadily declined, so much so that farmers may need to consider applying sulfur in the not too distant future. (2016-05-09)

Scientists identify missing source of atmospheric carbonyl sulfide
Researchers at Tokyo Institute of Technology (Tokyo Tech) report that anthropogenic sources of carbonyl sulfide (OCS), not just oceanic sources, account for much of the missing source of OCS in the atmosphere. Their findings provide better context for estimates of global photosynthesis (taking up CO2) using OCS dynamics. (2020-08-06)

UGA chemistry discovery could have major medical implications
The study of an oxygen-sensing bacterial regulatory protein by chemistry researchers at the University of Georgia has provided molecular insight into the oxygen sensing mechanism, which could ultimately lead to a better understanding of the aging process and new treatments for human diseases such cancer, Parkinson's and Alzheimer's. (2012-09-10)

NCAR Team Tags 'Imported' Pollutants Over The Pacific Northwest
From 50% to 60% of sulfate-aerosol pollution over the Pacific Northwest is coming from industrialized Asia, according to a model developed by a team of researchers at the National Center for Atmospheric Research. In contrast, sulfates in Europe are coming primarily from European sources. (1998-12-04)

Agriculture replaces fossil fuels as largest human source of sulfur in the environment
New research identifies fertilizer and pesticide applications to croplands as the largest source of sulfur in the environment -- up to 10 times higher than the peak sulfur load seen in the second half of the 20th century, during the days of acid rain. (2020-08-10)

New analyses of Martian chemical maps suggest water bound to sulfates in soil
A research team led by LSU geology and geophysics assistant professor Suniti Karunatillake reveals a spatial association between the presence of sulfur and hydrogen found in martian soil. (2015-01-02)

Volcano breath: Measuring sulfur dioxide from space
In a new study published in Scientific Reports this week, a team led by researchers from Michigan Technological University created the first, truly global inventory for volcanic sulfur dioxide emissions, using data from the Dutch-Finnish Ozone Monitoring Instrument on NASA's Earth Observing System Aura satellite launched in 2004. The data set will help refine climate and atmospheric chemistry models and provide more insight into human and environmental health risks. (2017-03-09)

Polysulfide donors strongly suppress inflammatory responses
Researchers from Japan have developed a new polysulfide donor that can artificially increase reactive sulfur species (chemically reactive molecules containing sulfur) in cells and tissues. Since this donor has an extremely high anti-inflammatory effect, it is believed to be an excellent candidate for a new anti-inflammatory therapy. (2019-04-03)

Researchers develop a new way to study key biological processes
A team of scientists at The University of East Anglia (UEA) has developed a novel way to obtain previously inaccessible insight into the functions of a group of essential proteins. They have have developed a new method to study these delicate iron-sulfur clusters based on mass spectrometry -- an advanced technique that can identify proteins by measuring their mass with great accuracy. (2017-04-04)

Using high energy density material in electrode design enhances lithium sulfur batteries
To develop higher capacity batteries, researchers have looked to lithium sulfur batteries because of sulfur's high theoretical capacity and energy density. But there are still several problems to solve before they can be put into practical applications. The biggest is the shuttling effect that occurs during cycling. To solve this problem and improve lithium sulfur battery performance, the researchers created a sandwich-structured electrode using a novel material that traps polysulfides and increases the reaction kinetics. (2019-09-30)

QMUL Ph.D. student stumbles upon a new way for producing oldest chemical compounds
A chemistry Ph.D. student from Queen Mary University of London has found a simple way for the first time of producing two chemical compounds that were first discovered in late 19th century, entirely by accident. The discovery could have implications for fighting disease and growing crops, where the sulfur containing compounds called sultones and sultines, play a significant role. (2015-10-27)

Page 2 of 24 | 928 Results
   First   Previous   Next      Last is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to