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Dual enzymatic activity of RECQ1 explained by different quaternary structures
The transient opening of the DNA double helix is a fundamental step in several DNA metabolic processes. This reaction is driven by proteins called helicases, which make use of ATP as fuel to unwind the DNA duplex. view more (2007-01-16)
Scientists penetrate fossil magma chamber beneath intact ocean crust - achieving scientific 'first'
Approximately 800 km west of Costa Rica an international team of scientists aboard the research drilling ship JOIDES Resolution has¡-for the first time-recovered black rocks known as gabbros from intact ocean crust. view more (2006-04-21)
CAT scan reveals inner workings of volcano island
On the ground and in the water, an international team of researchers has been collecting imaging data on the Soufriere Hills Volcano in Montserrat to understand the internal structure of the volcano and how and when it erupts. view more (2008-12-19)
Beetles could prove a hit with the aircraft industry
A species of beetle, that squirts its predators with a high-pressure spray of boiling liquid, could provide the key to significant improvements in aircraft engine design. The bombardier beetle's unique natural combustion technique is being studied to see if it can be copied for use in the aircraft industry. Scientists studying the bombardier... view more... (2003-12-08)
Chemistry by the thimbleful
The trend toward miniaturization has also taken a hold in chemistry because in miniaturized reactors, the risk of explosions is nearly none and the reaction can be better controlled. At the Analytica trade fair scientists show how to improve chemical engineering and production. -------------- The dinosaurs of the chemical industry are not facing... view more... (2002-04-16)
Controlling for size may also prevent cancer
Scientists at Johns Hopkins recently discovered that a chemical chain reaction that controls organ size in animals ranging from insects to humans could mean the difference between normal growth and cancer. view more (2007-09-21)
Researchers discover RNA repair system in bacteria
In new papers appearing this month in Science and the Proceedings of the National Academy of Sciences, University of Illinois biochemistry professor Raven H. Huang and his colleagues describe the first RNA repair system to be discovered in bacteria. view more (2009-10-13)
Nightshades: 'overflowing' with Phytophthora resistant genes?
The potato and other related varieties of the Solanum species contain scores or perhaps even hundreds of genes that can give the plant a degree of resistance to 'potato blight', a disease caused by Phytophthora infestans. This is one of the conclusions that came to light in Vivianne Vleeshouwers' thesis, with which she recently earned her doctoral... view more... (2001-02-01)
UW-Madison stellerator a step forward in plasma research
A project by University of Wisconsin-Madison researchers has come one step closer to making fusion energy possible. view more (2007-03-12)
Catch the wave
MIT researchers are working with Portuguese colleagues to design a pilot-scale device that will capture significantly more of the energy in ocean waves than existing systems, and use it to power an electricity-generating turbine. view more (2008-12-17)
Extreme makeover chemistry style
In revisiting a chemical reaction that's been in the literature for several decades and adding a new wrinkle of their own, researchers with Berkeley Lab and the University of California (UC) Berkeley have discovered a mild and relatively inexpensive procedure for removing oxygen from biomass. view more (2009-06-17)
Diamonds key to a sparkling listening experience
Music lovers could be in for the ultimate listening experience, thanks to a new range of speakers containing parts made of diamond, writes Marina Murphy in the Chemistry & Industry magazine. The unique properties of diamond make the speakers less susceptible to distortion and thus provide a clearer sound, say their manufacturers Bowers &... view more... (2005-02-18)
Chemical industry helped by small invisible tube
Chemists at Utrecht University have developed a catalyst for fine chemistry. Tiny tubes of graphite are the carrier for this catalyst. PhD student Tijmen Ros successfully tested the catalyst with a standard reaction. Fellow researchers are now making the catalyst suitable for the production of cinnamon alcohol, an aromatic substance and... view more... (2002-01-24)
Enzyme and vitamin define the yin and yang of asthma
The allergen breathed in by a person with asthma triggers a proteinase or enzyme called MMP7 that activates a cascade of events to prompt an allergic reaction. view more (2009-03-30)
RNA enzyme structure offers a glimpse into the origins of life
Researchers at the University of California, Santa Cruz, have determined the three-dimensional structure of an RNA enzyme, or "ribozyme," that carries out a fundamental reaction required to make new RNA molecules. view more (2007-03-16)
New technique measures chemical composition of tiny details
The method which the Eindhoven have developed is based on the radiation emitted by an object when it is irradiated by a beam of electrons. The measurable phenomenon occurs because the electrons in the beam collide with electrons in the atoms making up the object so that they enter an excited state. When the electrons return to the free state, with... view more... (2000-01-18)
Circuit board materials may like it hot (or not)
Electrical circuits may act differently in Arizona than they do in Alaska—potentially affecting the performance of computers and other electronics. A new technique identifies and quantifies an important cause of this temperature sensitivity. view more (2006-06-09)
New Research Turns Sewage Farms into Power Plants
Researchers at the University of Warwick's Warwick Process Technology Group have devised a process that turns wet waste from sewage farms and paper mills into a source of power. University of Warwick researcher Dr Ashok Bhattacharya and his team are part of a Europe wide consortium that have cracked the problem of how to extract very pure levels... view more... (2002-04-29)
Cataract scheme 'expensive over-reaction' say doctors
The independent sector treatment centre (ISTC) scheme for NHS cataract services was an expensive over-reaction to the need to increase rates of cataract surgery, say senior doctors in this week's BMJ. view more (2007-02-06)
'Smart' materials get smarter with ability to better control shape and size
A dynamic way to alter the shape and size of microscopic three-dimensional structures built out of proteins has been developed by biological chemist Jason Shear and his former graduate student Bryan Kaehr at The University of Texas at Austin. view more (2008-07-07)
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