Tag: "hydrogen" at biology news

Hydrogen Initiative report from American Physical Society panel released

...drogen Initiative envisions the competitive use of hydrogen fuel and a hydrogen-fueled car by the year 2020. T...gasoline. And, no material exists to construct a hydrogen fuel tank that meets the consumer benchmarks. A new material must be discovered. These are very lar...

Microbial fuel cell cleans, generates electricity from domestic wastewater

... electrode of a fuel cell, where they combine with hydrogen ions (protons) and oxygen to form water. Logan notes that in MFCs currently under investigation in other laboratories, various kinds of bacteria are typically added to the system. However, in the Penn State approach, no special bacteria are added...

Fuel-cell microbes' double duty: treat water, make energy

...into the electrical circuit and positively charged hydrogen ions into the solution. Those ions reduce the solu...gen demand,a key goal of wastewater treatment. The hydrogen ions also pass through aproton-exchange membrane to reach the cathode. Meanwhile, ahollow tube withi...

Life in the universe takes orders from space

...st century that there are large amounts of carbon, hydrogen and nitrogen - the so-called biogenic elements - in the cosmos. And that it is reasonable to assume that these elements might have undergone some amount of chemical evolution before life even began. According to Pizzarello, who studies meteorites fro...

Powerful machines are coming in small packages

...ical toxins, as well as tiny chemical reactors for hydrogen fuel processing or environmental cleanup. In a nutshell, small is powerful. These devices send large amounts of liquid or gas through thousands of microchannels that stand roughly as tall as a human hair. In each channel, heat transfer or chemical r...

Structure solved by Scripps scientists shows one way that body controls gene expression

...r, the TIS11d protein binds to the mRNA by forming hydrogen bonds with the Watson-Crick edges of the mRNA. "It was remarkable to see how these tiny structures [work]," says Wright. The research article "Recognition of the mRNA AU-rich element by the zinc finger domain of TIS11d" i...

New reactor puts hydrogen from renewable fuels within reach

.../ ST. PAUL--The first reactor capable of producing hydrogen from a renewable fuel source--ethanol--efficiently...ersity of Minnesota engineers. When coupled with a hydrogen fuel cell, the unit--small enough to hold in your hand--could generate one kilowatt of power, almost...

Story tips from the Department of Energys Oak Ridge National Laboratory, February 2004

...odels help explain why the white dwarf gathers the hydrogen from its companion instead of blowing off the material as it arrives. White-dwarf supernovae interest researchers because they are believed to be the stellar factories of the heavy elements such as iron, nickel and cobalt. They also have been used as...

Seeing how plants split water could provide key to our future energy needs

...th's abundant supply of water as a cheap source of hydrogen is a step closer thanks to researchers from Imperi...hly energy efficient way to form cheap supplies of hydrogen fuel may be possible in the future. Reporting online in the journal Science today Imperial researc...

UF study suggests life on Earth sprang from borax minerals

...With only one carbon atom, one oxygen atom and two hydrogen atoms, there is a lot of formaldehyde to work with in the cosmos." Benner and his team showed that formaldehyde, with other interstellar compounds, could form ribose and other sugars when treated in the presence of base materials such as lime, a mat...

Purdue research suggests 'nanotubes' could make better brain probes

...-billionth of a meter, or roughly the length of 10 hydrogen atoms strung together. The nanotubes were about 100 nanometers wide, or roughly 1,000 times as thin as a human hair. The research is funded by the National Science Foundation. Webster also plans to test the effectiveness of silicon that contain...

Structure of a Nobel-prize winning molecule: Aquaporin

...normally facilitate the random flow of protons (or hydrogen ions), which would be lethal to the cell. This central amino acid pair, they say, restricts the behavior of water molecules in the center of the channel in such a way that prevents "proton jumping" yet keeps the water flowing. With two structural mod...

Tools from the Human Genome Project reveal a versatile microbe

...ndustrial waste and as a biocatalyst for producing hydrogen as a bio-fuel. The research, conduct...om an agriculture point of view, the production of hydrogen has been viewed as a bad thing, because the bacteria waste a great deal of energy producing hydrogen...

Purdue researchers create templates on retinal tissues

...-billionth of a meter, or roughly the length of 10 hydrogen atoms strung together. Macular degeneration is an incurable eye disease that is the leading cause of blindness for people 55 and older in the United States, affecting more than 10 million Americans. Retinal pigment epithelial cells deliver...

Unraveling a protein, researchers uncover mechanics of anti-cancer agent

...versity of Washington. FN-III-1's amino acids form hydrogen bonds among themselves and are organized to create the strong-weak-sheet protein structure. Nuclear magnetic resonance unveiled the amino-acid arrangement that makes up the protein structure....

Nanotech instruments allow first direct observations of RNA 'proofreading'

...resolution of three angstroms - the width of three hydrogen atoms - in our measurements of the progress of this enzyme along DNA. In so doing, we've been able to visualize a backtracking motion of just five bases that accompanies RNAP error-correction or proofreading.'' Both studies were conducted using two-...

Advance in developing biological strategies to produce hydrogen and sequester carbon dioxide

...apture carbon dioxide from the atmosphere, produce hydrogen and clean the environment. Joined by J. Craig Venter, Ph.D., head of the Institute for Biological Energy Alternatives (IBEA), Abraham announced that the IBEA has succeeded in stitching together a genome of a phage, or a virus of bacteria. An article ...

Work begins on powering a sustainable future for the UK

... Hydrogen technology Exploring the options for hydrogen as the clean fuel of the future. EPSRC is working closely with other agencies, such as the Carbon Trust and DTI, to ensure that the work supported through SUPERGEN meets the wider objectives for a sustainable future for the UK. More information on...

Enzyme revealed that is key to fungus's ability to breach immune system

...icrobes using a combination of oxidants, including hydrogen peroxide, nitric oxide and related molecules. "Th...nown about how pathogens defend themselves against hydrogen peroxide produced by the macrophages, this study is the first biologically relevant test of what mic...

Isotopes from feathers reveal bird migration

...in elevation also cause precipitation cycles. The hydrogen isotope signature of animals is essentially the isotope signature found in the water and food they eat. Furthermore, the isotope signature found at the bottom of the food chains can be passed up to the top of food chains. The result is that isotopic...

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(Date:4/18/2014)... made a brain-related discovery that could revolutionize doctors, ... discovery opens up the possibility that environmental and/or ... brain activity that the researchers have identified as ... of Neuroscience has just published a paper ... professor of psychology and his doctoral student John ...
(Date:4/17/2014)... The presence of chronic inflammation in benign prostate ... cancer, and this association was found even in ... to a study published in Cancer Epidemiology, ... American Association for Cancer Research. , An analysis ... of the placebo arm of the Prostate Cancer ...
(Date:4/17/2014)... Ill. One of the most popular vaccine brands ... And doctors may be overlooking some cost factors when ... a more expensive option, according to a new study ... vaccines to administer can be driven by numerous factors," ... and a professor of computer science and of mathematics ...
(Date:4/17/2014)... Two recent papers by a University of ... help scientists develop treatments or vaccines for Dengue ... and other disease-causing flaviviruses. , Jeffrey S. Kieft, ... at the School of Medicine and an early ... and colleagues recently published articles in the scholarly ...
(Date:4/17/2014)... 17, 2014U.S. military personnel who served in Iraq ... traumatic brain injury (TBI) were compared to military ... medical reasons. Differences in measures of overall disability, ... after injury are reported in an article in ... from Mary Ann Liebert, Inc., publishers. The article ...
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