All About Chemistry... 2011 and beyond

News articles about "biological"

Nanoshuttle wear and tear: It’s the mileage, not the age

As nanomachine design rapidly advances researchers are moving from wondering if the nanomachine works to how long it will work This is an especially important question as there are so many potential applications for instance ... - Read More

Scientists search for new ways to deal with U. S. uranium ore processing legacy

Researchers at the Department of Energy's SLAC National Accelerator Laboratory are trying to find out why uranium persists in groundwater at former uranium ore processing sites despite remediation of contaminated surface materials two decades ago ... - Read More

Scientists set quantum speed limit

University of California Berkeley scientists have proved a fundamental relationship between energy and time that sets a quantum speed limit on processes ranging from quantum computing and tunneling to optical switching The energy time uncertainty ... - Read More

A contractile gel that stores light energy

Living systems have the ability to produce collective molecular motions that have an effect at the macroscale such as a muscle that contracts via the concerted action of protein motors In order to reproduce this ... - Read More

Shining a light on quantum dots measurement

Due to their nanoscale dimensions and sensitivity to light quantum dots are being used for a number of bioimaging applications including in vivo imaging of tumor cells detection of biomolecules and measurement of pH changes ... - Read More

Team enlarges brain samples, making them easier to image

Beginning with the invention of the first microscope in the late 1500s scientists have been trying to peer into preserved cells and tissues with ever greater magnification The latest generation of so called super resolution ... - Read More

Atmospheric rivers, cloud-creating aerosol particles, and california reservoirs

In the midst of the California rainy season scientists are embarking on a field campaign designed to improve the understanding of the natural and human caused phenomena that determine when and how the state gets ... - Read More

Nanoparticles for clean drinking water

One way of removing harmful nitrate from drinking water is to catalyse its conversion to nitrogen This process suffers from the drawback that it often produces ammonia By using palladium nanoparticles as a catalyst and ... - Read More

Chemical analysis of ancient rocks reveals earliest record yet of Earth's atmosphere: Isotopic memory of atmospheric persistence

Chemical analysis of some of the world's oldest rocks by an international team led by McGill University researchers has provided the earliest record yet of Earth's atmosphere The results show that the air 4 billion ... - Read More

New sulfate-breathing species discovered beneath ocean crust: Third of Earth's biomass in largely uncharted environment

Two miles below the surface of the ocean researchers have discovered new microbes that breathe sulfate The microbes which have yet to be classified and named exist in massive undersea aquifers networks of channels in ... - Read More

New planetary dashboard shows 'great acceleration' in human activity since 1950

Human activity predominantly the global economic system is now the prime driver of change in the Earth System the sum of our planet's interacting physical chemical biological and human processes according to a set of ... - Read More

Gold nanoparticles show promise for early detection of heart attacks

NYU Polytechnic School of Engineering professors have been collaborating with researchers from Peking University on a new test strip that is demonstrating great potential for the early detection of certain heart attacks Kurt H Becker ... - Read More

Cone Snail Venom Holds Promise for Medical Treatments for Cancer and Addiction

Released 13 Jan 2015 6 00 PM ESTSource Newsroom Florida Atlantic University more news from this source Contact Information Available for logged in reporters only Citations Journal of Biological ChemistryJan 15 2015 While considered a ... - Read More

Chemical Dial Controls Attraction Between Water-Repelling Molecules

adding here or replacing there “Another implication of our research ” Gellman says “is that those changes can have profound effects that have not previously been understood ” Permalink to this article Comment Share ... - Read More

Chemists show proof of concept for new method of accelerating drug discovery research

Chemists have made a significant advancement to directly functionalize C H bonds in natural products by selectively installing new carbon carbon bonds into highly complex alkaloids and nitrogen containing drug molecules C H functionalization is ... - Read More

New catalyst process uses light, not metal, for rapid polymerization

A team of chemistry and materials science experts from University of California Santa Barbara and The Dow Chemical Company has created a novel way to overcome one of the major hurdles preventing the widespread use ... - Read More

They see flow signals: Researchers identify nature of 'sixth sense' in fish

A team of scientists has identified how a sixth sense in fish allows them to detect flows of water which helps resolve a long standing mystery about how these aquatic creatures respond to their environment ... - Read More

Solar cell polymers with multiplied electrical output

One challenge in improving the efficiency of solar cells is that some of the absorbed light energy is lost as heat So scientists have been looking to design materials that can convert more of that ... - Read More

From the lab to your digital device, quantum dots have made quantum leaps

Outside his career as a noted nanochemist Lawrence Berkeley National Laboratory Berkeley Lab director Paul Alivisatos is an avid photographer To show off his photos his preferred device is a Kindle Fire HDX tablet because ... - Read More

Iron toxicity for cyanobacteria delayed oxygen accumulation in early Earth's atmosphere

Three billion years ago Earth's atmosphere contained less than 0.0001 percent oxygen Today's atmosphere has around 20 percent oxygen and that is due to the work of tiny microorganisms in Earth's primeval oceans Cyanobacteria which ... - Read More
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