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Cheap hydrogen fuel from the sun, without rare metals

September 30, 2014 1:27 pm | by Emmanuel Barraud, EPFL | Videos | Comments

Michael Grätzel’s laboratory in Switzerland is producing hydrogen fuel from sunlight and water. By combining a pair of solar cells made with a mineral called perovskite and low cost electrodes, scientists have obtained a 12.3% conversion efficiency from solar energy to hydrogen, a record using earth-abundant materials as opposed to rare metals.

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Adding natural uncertainty improves mathematical models

September 30, 2014 1:11 pm | News | Comments

Mathematicians from Brown Univ. have introduced a new element of uncertainty into an equation used to describe the behavior of fluid flows. Ironically, allowing uncertainty into a mathematical equation that models fluid flows makes the equation much more capable of correctly reflecting the natural world, including the formation, strength, and position of air masses and fronts in the atmosphere.

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New discovery approach accelerates identification of potential cancer treatments

September 30, 2014 9:50 am | by Laura Williams, Univ. of Michigan | News | Comments

Researchers at the Univ. of Michigan have described a new approach to discovering potential cancer treatments that requires a fraction of the time needed for more traditional methods. They used the platform to identify a novel antibody that is undergoing further investigation as a potential treatment for breast, ovarian and other cancers.

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California drought linked to climate change

September 30, 2014 9:42 am | by Ker Than, Stanford Univ. | Videos | Comments

The atmospheric conditions associated with the unprecedented drought currently afflicting California are "very likely" linked to human-caused climate change, according to Stanford Univ. scientists. The team used a combination of computer simulations and statistical techniques to show that a persistent region of high atmospheric pressure hovering over the Pacific Ocean was likely to form from modern greenhouse gas concentrations.

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Glaciers in the Grand Canyon of Mars?

September 30, 2014 8:56 am | News | Comments

For decades, planetary geologists have speculated that glaciers might once have crept through Valles Marineris, the 2000-mile-long chasm that constitutes the Grand Canyon of Mars. A research team has now identified what could be the first mineralogical evidence of past glaciers within the Valles Marineris: a layer of mixed sulfate minerals halfway up three-mile-high cliffs in the canyon system.

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Research suggests new strategies for fighting TB

September 30, 2014 8:22 am | by Kevin Stacey, Brown Univ. | News | Comments

Over the past few years, a class of compounds called ADEPs (cyclic acyldepsipeptides) has emerged as a promising new weapon in the fight against drug-resistant bacteria. The compounds work by attaching themselves to a cellular enzyme called ClpP, which bacterial cells use to rid themselves of harmful proteins. With an ADEP attached, ClpP can’t function properly, and the bacterial cell dies.

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Wildlife populations plummet for 3,000 species

September 30, 2014 8:19 am | by John Heilprin, Associated Press | News | Comments

About 3,000 species of wildlife around the world have seen their numbers plummet far worse than previously thought, according to a new study by one of the world's biggest environmental groups. The Switzerland-based WWF says improved methods of measuring populations of fish, birds, mammals, amphibians and reptiles explain the huge difference from the 28% decline between 1970 and 2008 that the group reported in 2012.

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At the interface of math and science

September 30, 2014 8:09 am | by Julie Cohen, UC Santa Barbara | News | Comments

Univ. of California, Santa Barbara’s Paul Atzberger, a professor in the Department of Mathematics and in mechanical engineering, often works in areas where mathematics plays an ever more important role in the discovery and development of new ideas. Most recently he has developed new mathematical approaches to gain insights into how proteins move around within lipid bilayer membranes.

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Automated sorting through metagenomes

September 30, 2014 8:05 am | by Lynn Yarris, Lawrence Berkeley National Laboratory | News | Comments

Microbes have an amazing ability to feed on plant biomass and convert it into other chemical products. Tapping into this talent has the potential to revolutionize energy, medicine, environmental remediation and many other fields. The success of this effort hinges in part on metagenomics, the emerging technology that enables researchers to read all the individual genomes of a sample microbial community at once.

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Researchers develop transparent nanoscintillators for radiation detection

September 30, 2014 7:56 am | by Traci Peterson, Univ. of Texas at Arlington | News | Comments

A Univ. of Texas at Arlington research team says recently identified radiation detection properties of a light-emitting nanostructure built in their lab could open doors for homeland security and medical advances. In a paper to be published in Optics Letters, the team describes a new method to fabricate transparent nanoscintillators by heating nanoparticles composed of lanthanum, yttrium and oxygen until a transparent ceramic is formed.

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Fat molecules influence form, function of key photosynthesis protein

September 30, 2014 7:48 am | by Elizabeth K. Gardner, Purdue Univ. | News | Comments

A mysterious space within a protein critical to photosynthesis is filled with fat molecules that influence both the protein’s architecture and electrical properties, according to two recent studies. Researchers studied the atomic structure of, and electrical interactions within, the cytochrome bf complex, a protein complex central to the transport of electrons within membranes of a plant cell, a critical step in photosynthesis.

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High-speed drug screen

September 30, 2014 7:37 am | by Anne Trafton, MIT News Office | News | Comments

Massachusetts Institute of Technology engineers have devised a way to rapidly test hundreds of different drug-delivery vehicles in living animals, making it easier to discover promising new ways to deliver a class of drugs called biologics, which includes antibodies, peptides, RNA and DNA, to human patients.

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2nd Annual Pharma Data Analytics Conference

September 29, 2014 3:10 pm | Events

The 2nd Annual Pharma Data Analytics Conference will enable senior-level analytics professionals to improve the bottom line of their business through utilizing the potential of big data. Driven by single-track case study presentations from Pfizer, Celgene, Novartis, Merck and many others, this program will explore recent trends in the pharmaceutical environment, including the influence of analytics in the commercial space, data visualization tools and techniques and methodologies for forecasting across multiple business units.

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Surface Enhanced Raman Spectroscopy Substrate

September 29, 2014 1:33 pm | Product Releases | Comments

Ocean Optics has introduced a new substrate for surface enhanced Raman spectroscopy (SERS) applications. Using precisely controlled gold nanoparticles, Ocean Optics SERS substrates amplify very weak Raman signals by many orders of magnitude. The result is fast, repeatable SERS measurements for the identification and quantification of SERS-active analytes.

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Portable Indoor Air Quality Monitor

September 29, 2014 1:14 pm | Product Releases | Comments

The new AQ Expert from E Instruments International provides monitoring and real-time data logging for indoor air quality testing in a variety of settings, including laboratories and cleanrooms. The AQ Expert includes up to 11 parameters and detects a wide variety of gases and atmospheric characteristics.

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