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News articles about "chemical"

Study Finds Tungsten in Aquifer Groundwater Controlled by pH, Oxygen

Released 9 30 2013 2 00 PM EDTSource Newsroom Kansas State University more news from this source Saugata Datta785 532 2241sdatta@k state edu Oct 1 2013 MANHATTAN Kan Two Kansas geologists are helping shed new ... - Read More

Zinc, Proteins, and an Essential Cellular Balancing Act

a single celled fungus Yeast can adapt to both shortages and excesses of zinc says MacDiarmid an associate scientist Zinc is an essential nutrient but if there's too much it's toxic The issue for the ... - Read More

Breathing underwater: Evidence of microscopic life in oceanic crust

Crust
Although long thought to be devoid of life the bottom of the deep ocean is now known to harbor entire ecosystems teeming with microbes Scientists have recently documented that oxygen is disappearing from seawater circulating ... - Read More

First step to reduce plant need for nitrogen fertilizer uncovered

Nitrogen fertilizer costs U S farmers approximately $8 billion each year and excess fertilizer can find its way into rivers and streams damaging the delicate water systems Now a discovery by a team of University ... - Read More

Wagon-wheel pasta shape for better LED lights

Light, Light
One problem in developing more efficient organic LED light bulbs and displays for TVs and phones is that much of the light is polarized in one direction and thus trapped within the light emitting diode ... - Read More

Novel technology to produce gasoline by a metabolically-engineered microorganism

Microorganism, Gasoline
Scientists succeeded in producing 580 mg of gasoline per litre of cultured broth by converting in vivo generated fatty acid For many decades we have been relying on fossil resources to produce liquid fuels such ... - Read More

Laser treatments yield smoother metal surfaces

Yield
Ever since the Bronze Age metals have been cast in different shapes for different applications Smooth surfaces that are resistant to corrosion are crucial for many of the present day uses of cast metals ranging ... - Read More

Hope for halting incurable citrus disease

Bacteria, bacteria
The devastating disease Huonglongbing or citrus greening looms darkly over the United States threatening to wipe out the nation's citrus industry whose fresh fruit alone was valued at more than $3.4 billion in 2012. Recently ... - Read More

Investigating mercury pollution in Indonesia

Professor Takanobu Inoue of Toyohashi Tech's Department of Architecture and Civil Engineering has been conducting field surveys of mercury poisoning in Indonesia for over a decade His findings have serious implications and the situation is ... - Read More

Earth's history to be rewritten: Oxygen appeared 700 million years earlier than previously thought

Until now science has believed that oxygen in Earth's atmosphere has been around for roughly 2.3 billion years or roughly half way back along our planet's 4.6 billion year timeline However new research results provide ... - Read More

Steroids may persist longer in the environment than expected

Environment
Assessing the risk posed to aquatic organisms by the discharge of certain steroids and pharmaceutical products into waterways is often based on a belief that as the compounds degrade the ecological risks naturally decline But ... - Read More

New multifunctional topological insulator material with combined superconductivity

Most materials show one function for example a material can be a metal a semiconductor or an insulator Metals such as copper are used as conducting wires with only low resistance and energy loss Superconductors ... - Read More

Methane Out, Carbon Dioxide In?

A University of Virginia engineering professor has proposed a novel approach for keeping waste carbon dioxide out of the atmosphere Andres Clarens an assistant professor of civil and environmental engineering at U Va ’s School ... - Read More

Chemical synthesis: A simple technique for highly functionalized compounds

Synthesis, Compounds
Researchers at Kanazawa University have demonstrated a technique that allows direct functionalization of alkenes without the need for metallic reagents photolysis or extreme reaction conditions The addition of functional groups to certain unsaturated hydrocarbons known ... - Read More

Common cosmetic and sunblock ingredient, titanium dioxide, may have potential health risks

ACS
Using a particular type of titanium dioxide a common ingredient in cosmetics food products toothpaste and sunscreen could reduce the potential health risks associated with the widely used compound The report on the substance produced ... - Read More

First steps towards achieving better and cheaper biodiesel

Glycerol
Is there any connection between wine and biodiesel The answer is yes however surprising it may seem Acetals are chemical compounds found in many wines like port for example which give it a unique sweet ... - Read More

New model should expedite development of temperature-stable nano-alloys

Alloys, Nano
Researchers from North Carolina State University have developed a new theoretical model that will speed the development of new nanomaterial alloys that retain their advantageous properties at elevated temperatures Nanoscale materials are made up of ... - Read More

Nanocrystal catalyst transforms impure hydrogen into electricity

Catalyst
The quest to harness hydrogen as the clean burning fuel of the future demands the perfect catalysts nanoscale machines that enhance chemical reactions Scientists must tweak atomic structures to achieve an optimum balance of reactivity ... - Read More

Non-precious metal catalysts outperforming Pt-based one

Catalysts
Researchers from Ulsan National Institute of Science and Technology UNIST Korea Institute of Energy Research KIER and Brookhaven National Laboratory have discovered a new family of non precious metal catalysts These catalysts exhibit better performance ... - Read More

New adsorbent is more effective and environmentally friendly for treating wastewater

A novel new adsorbent for removing emerging contaminants from wastewater that is more effective reusable and environmentally friendly has been developed by researchers in Temple University's Water and Environmental Technology WET Center The researchers used ... - Read More
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