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News articles about "Concentration"

Today's Antarctic region once as hot as California, Florida

Parts of ancient Antarctica were as warm as today's California coast and polar regions of the southern Pacific Ocean registered 21st century Florida heat according to scientists using a new way to measure past temperatures ... - Read More

Surface modification of titanium dioxide for photocatalytic degradation of hazardous pollutants under ordinary visible light

UiTM researchers have developed a modified photocatalyst which is economical and effective at transforming organic pollutants into harmless end products Photocatalytic degradation is one of the highly effective applications in transforming organic pollutants to harmless ... - Read More

Bamboo-Loving Giant Pandas Also Have a Sweet Tooth

Released 3 21 2014 12 00 PM EDTEmbargo expired 3 26 2014 5 00 PM EDTSource Newsroom Monell Chemical Senses Center more news from this source Contact Information Available for logged in reporters only Citations ... - Read More

Seal teeth offer glimpse into the environmental past of Russia's Lake Baikal

March 21 marks World Water Day and a fitting time to consider one of the most unique mammals in Earth's waters The nerpa also known as the Baikal seal is the only seal that lives ... - Read More

Dust in the wind drove iron fertilization during ice age

Researchers from Princeton University and the Swiss Federal Institute of Technology in Zurich have confirmed that during the last ice age iron fertilization caused plankton to thrive in a region of the Southern Ocean The ... - Read More

Goldilocks principle: Earth's continued habitability due to geologic cycles that act as climate control

Researchers from USC and Nanjing University in China have documented evidence suggesting that part of the reason that Earth has become neither sweltering like Venus nor frigid like Mars lies with a built in atmospheric ... - Read More

Pocket diagnosis: App turns any smartphone into a portable medical diagnostic device

A recently developed mobile phone application could make monitoring conditions such as diabetes kidney disease and urinary tract infections much clearer and easier for both patients and doctors and could eventually be used to slow ... - Read More

Catching the Early Spread of Breast Cancer

the nano flare Recently he and Thaxton designed these particles which enter circulating healthy and unhealthy cells in blood samples but light up only inside breast cancer cells “Nano flares can detect just a few ... - Read More

Bright future for protein nanoprobes

The term a brighter future might be a cliché but in the case of ultra small probes for lighting up individual proteins it is now most appropriate Researchers at the U S Department of Energy ... - Read More

Reindeer grazing may counteract effects of climate warming on tundra carbon sink

Local reindeer grazing history is an important determinant in the response of an ecosystem's carbon sink to climate warming say researchers at the Arctic Centre of the University of Lapland Their study was published in ... - Read More

'Super bacteria' clean up after oil spills

Norwegian researchers in Trondheim have achieved surprising results by exploiting nature's own ability to clean up after oil spills Scientists know that marine bacteria can assist in cleaning up after oil spills What is surprising ... - Read More

Research tests which nano system works best in killing cancer cells

In current research related to improving cancer treatments one promising area of research is the effort to find ways to selectively pinpoint and target cancer cells while minimizing effects on healthy cells In that effort ... - Read More

Solution to planet-clogging plastics? Fully compostable bioplastic made from shrimp shells used to make objects

Researchers at Harvard's Wyss Institute have developed a method to carry out large scale manufacturing of everyday objects from cell phones to food containers and toys using a fully degradable bioplastic isolated from shrimp shells ... - Read More

Organic chemical origins in hydrothermal systems

Organic, organic, Organic
Serpentinite hosted hydrothermal systems have been suggested as likely sites for the formation of organic compounds in the abiotic conditions of early Earth that is in the absence of living organisms Such compounds were likely ... - Read More

Breakthrough technology enables gene silencing to heal wounds

Gene, Gene
A team of researchers led by an NIBIB grantee at Vanderbilt University has created a biodegradable scaffold that enables sustained local delivery of gene silencing factors called siRNA to promote tissue regeneration The team recently ... - Read More

Solar-power device would use heat to enhance efficiency

Heat
A new approach to harvesting solar energy developed by MIT researchers could improve efficiency by using sunlight to heat a high temperature material whose infrared radiation would then be collected by a conventional photovoltaic cell ... - Read More

Loss of biodiversity limits toxin degradation

You might not think of microbes when you consider biodiversity but it turns out that even a moderate loss of less than 5% of soil microbes may compromise some key ecosystem functions and could lead ... - Read More

Microscopic fountain pen adds new functionality to AFM microscopy

Microscopy
The Atomic Force Microscope AFM which uses a fine tipped probe to scan surfaces at the atomic scale will soon be augmented with a chemical sensor This involves the use of a hollow AFM cantilever ... - Read More

High levels of molecular chlorine found in arctic atmosphere

Atmosphere, Atmosphere, molecular, Molecular
Scientists studying the atmosphere above Barrow Alaska have discovered unprecedented levels of molecular chlorine in the air a new study reports Molecular chlorine from sea salt released by melting sea ice reacts with sunlight to ... - Read More

Tweaking MRI to track creatine may spot heart problems earlier, study suggests

MRI
A new MRI method to map creatine at higher resolutions in the heart may help clinicians and scientists find abnormalities and disorders earlier than traditional diagnostic methods researchers at the Perelman School of Medicine at ... - Read More
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