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Production of 'mint-scent'
In the industry, many tons of alcohol are used annually, as a starting point for the synthesis of many substances. Alcohol first has to be oxidised, after which aromas such as mint or cinnamon, or substances needed for the production of nylon are produced. Until now heavy metals such as chrome-oxide were used in the oxidation process. Ten Brink:... view more... (2000-03-03)
Doctors may be giving the wrong dosage of adrenaline in an emergency because of labelling
A new study by Cambridge University reveals that doctors treating life-threatening emergencies such as allergy attacks may give the wrong dosage of adrenaline (epinephrine) because of confusing labelling. view more (2008-01-02)
Designer gradients speed surface science experiments
Researchers from the National Institute of Standards and Technology (NIST) have demonstrated an elegantly simple technique for synthesizing a wide variety of complex surfaces that vary in a controlled fashion across a test strip. view more (2006-06-09)
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)
Hopkins Children's study: Folic acid may help treat allergies, asthma
Folic acid, or vitamin B9, essential for red blood cell health and long known to reduce the risk of spinal birth defects, may also suppress allergic reactions and lessen the severity of allergy and asthma symptoms. view more (2009-04-30)
Growing markets bring potential for rubber and oilseed crops
Changing and growing markets have renewed interest and research on guayule and lesquerella, two native Big Bend plants that might be grown in other parts of Texas, a Texas AgriLife Research scientist said. view more (2008-02-04)
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)
MIT-led teams unravel heparin death mystery
An international team of researchers led by MIT has explained how contaminated batches of the blood-thinner heparin were able to slip past traditional safety screens and kill dozens of patients recently in the United States and Germany. view more (2008-04-24)
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)
Electric Nudge toward Self-organization
In search of materials with nonlinear optical properties Window panes and eyeglass lenses that get darker as it gets brighter are especially great in the summer. Their secret lies in optical properties that change as the light intensity changes - nonlinear optical properties. Such materials are also of interest as optoelectronic components. One... view more... (2002-03-07)
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)
Studies show children can complete treatment for peanut allergies and achieve long-term tolerance
A carefully administered daily dose of peanuts has been so successful as a therapy for peanut allergies that a select group of children is now off treatment and eating peanuts daily, report doctors at Duke University Medical Center and Arkansas Children's Hospital. view more (2009-03-16)
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)
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)
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)
UT Southwestern tests new asthma medicine targeting vulnerable inner-city children
UT Southwestern Medical Center is one of a handful of top research institutions evaluating a promising new medication researchers hope can reduce the severity and frequency of asthma attacks in inner-city children, a population known to have a high prevalence of severe asthma. view more (2006-10-19)
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)
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)
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