INEEL uses extremophile bacteria to ease bleaching's environmental cost
...hardy enzyme that can be put to work breaking down hydrogen peroxide in industrial wastewater, producing only ... and other industries have experimented with using hydrogen peroxide instead of toxic chlorine bleach to whiten and disinfect products. Hydrogen peroxide can ri...Cars, not crops, should be chief targets in reducing greenhouse gases
...ght-weight materials could precede a transition to hydrogen vehicles, which now require fossil fuels or other sources of energy to generate the hydrogen. Coupled with changes in the way that agricultural lands are managed, doubling the fuel efficiency of our nation's vehicles seems a logical first step in bal...Antibiotic-resistant bacteria increased after clindamycin use for common vaginal infection
...neficial bacteria, particularly those that produce hydrogen peroxide, with more toxic bacteria. Among the infection's more prominent symptoms is a milky, foul-smelling discharge. "Symptoms of discharge are one of the most common reasons women visit a gynecologist," said Sharon Hillier, Ph.D., professor in the...BU chemist to map DNA's surface, uncovering details that will show how structure abets function
...xyl radical. These radicals can spot a particular hydrogen atom in a deoxyribose, a component part of DNA, and can cleave the DNA molecule at that point. The pattern of these cleavages provides a picture of the surface of DNA that is accessible to the probe. By applying this probe to the ENCODE-selected g...Six reporters reach the 'Pinnacle of Excellence'
...rs (M.E.R.), and an account of Iceland's ambitious hydrogen energy plan, are among the entries named to win th...itious plan to wean off imported oil and switch to hydrogen to fuel its cars, trucks, buses and fishing fleet, and took home the radio prize with "The Promise o...Purdue researchers align nanotubes to improve artificial joints
...ometers. One nanometer is roughly the length of 10 hydrogen atoms strung together. A human hair is more than 1,000 times wider than the nanotubes used in the study. In one method, researchers mixed the nanotubes in a polymer, or plastic, and passed an electric current through the mixture. Because nanotubes ha...New study by UGA researcher shows that Salmonella uses hydrogen as an energy source
...and often deadly bacterial pathogen use molecular hydrogen to grow and become virulent. The discovery represe...This new work expands our knowledge that molecular hydrogen is very important in the process of diseases caused by these organisms." Such enteric pathogens a...Scientists discover key egg enzyme for blocking sperm entry after fertilization
...atory burst characterized by massive production of hydrogen peroxide near the surface of the egg. Although thi...d cells and is specifically involved in generating hydrogen peroxide at fertilization. The enzyme, named urchin dual oxidase 1 (Udx1), works with other cellular...Free radicals and fertilization: Study reveals egg protection secret
...esearchers have discovered an enzyme that produces hydrogen peroxide in the fertilized eggs of sea urchins. Th...known for more than 30 years that, in sea urchins, hydrogen peroxide is a key player in this process. Until now, they did not know how that potentially toxic su...Idaho lab, Utah company achieve major milestone in hydrogen research
... efforts to help the nation advance toward a clean hydrogen economy. Laboratory teams have announced they've achieved a major advancement in the production of hydrogen from water using high-temperature electrolysis. Instead of conventional electrolysis, which uses onl...JCI table of contents, December 15 2004
...l proximal tubule cells in the kidney that release hydrogen ions from the cell. In an accompanying commentary, Steven Gluck from the University of California San Francisco discusses the broader role of Pyk2 in acid-base balance in bone and other tissues beyond the kidney. TITLE: Pyk2 activation is integral t...Chromosome 16 publication fulfills DOE's human genome commitment
...logical solutions to such challenges as economical hydrogen production, carbon sequestration, and environmental clean-up," Domenici said. Three Chromosomes Completed JGI is the first of the five primary Human Genome Project sequencing sites, known as the "G5," to publish scientific articles describing each ...Shedding feathers early may enhance sex appeal, new songbird study shows
...uth of their breeding grounds. By measuring stable hydrogen isotopes in the newly grown feathers when birds returned the following spring to breed at the Queen's University Biology Station north of Kingston, the researchers were able to determine the approximate region where molting had occurred. And when the...Scientists decipher genome of bacterium that helps clean up major groundwater pollutants
...zed for respiratory reductive dechlorination using hydrogen as the electron donor. By comparing the genomic sequence of D. ethenogenes with that of other Dehalococcoides spp. and related organisms that have different capabilities and spectra for dehalogenation, scientists should be able to deepen the understa...Systems microbiology has great scientific promise in health and environment
...s to the development of commercial-scale microbial hydrogen generation." The report is based on the findings of a colloquium convened by the Academy in Portland, Oregon, in June 2004. A group of distinguished scientists gathered to examine the power of applying a systems approach to microbiology, which focus...Sardines may prevent toxic gas eruptions off the California and African coasts
...nts of methane and poisonous "rotten egg" smelling hydrogen sulfide gas. As methane is 21 times more effective than carbon dioxide at trapping heat in the atmosphere, the resulting climate change may intensify this upwelling process and the possibility of even larger and more plentiful eruptions. One...Yellowstone microbes fueled by hydrogen, according to U. of Colorado study
...springs of Yellowstone National Park use primarily hydrogen for fuel, a discovery University of Colorado at Bo...g in thermal features. "It was a surprise to find hydrogen was the main energy source for microbes in the hot springs," Pace said. "This project is also inter...Chemists create 'Superbowl' molecule; May lead to better health
...ball is designed to hold either a single atom or a hydrogen molecule, a superbowl molecule can hold large molecules of up to a hundred atoms, particularly those of medicinal value, Sherburn says. "I'm sure that we will be able to encapsulate compounds such as [the anticancer drug] taxol in the near future," ...JCI Table of Contents, March 1, 2005
...ll production. Heavy water is made using a form of hydrogen that has twice its normal mass, making the water molecule "heavier" than normal. The special hydrogen serves as a tag that enables researchers to track the utilization of water in the body. The hydroge......ll production. Heavy water is made using a form of hydrogen that has twice its normal mass, making the water molecule "heavier" than normal. The special hydrogen serves as a tag that enables researchers to track the utilization of water in the body. The hydroge...