Tag: "expensive" at biology news

A changing climate for protected areas

...etting them created in the short term will be less expensive than waiting until the impacts of climate change become more significant. The new study measures the continued effectiveness of protected areas as the global climate changes, unlike previous studies that modeled species range shifts without conside...

New chemistry approach promises less expensive drugs

...mists may have found a way to sidestep many of the expensive and hazardous barriers that stand in the way of drug development. The new approach allows scientists to synthesize molecules without employing toxic catalysts, and it also does not generate alternate versions of drug molecules that can damage the ...

ACS News Service Weekly PressPac -- March 28, 2007

...ogen production. CO "poisons," or inactivates, the expensive platinum catalysts that convert hydrogen into electricity, reducing efficiency over time and requiring replacement. "Were trying to find a catalyst that achieves two things produces hydrogen while removing a large amount of CO," Rodriguez explaine...

ACS News Service Weekly PressPac -- March 21, 2007

...e) fuel cells, for instance, making the devices an expensive alternative energy source with sharply limited uses. Platinum catalysts also are easily poisoned or inactivated. The new cell consists of enzyme-coated electrodes placed inside a container of ordinary air with 3 percent added hydrogen. That is just...

Removing a hydrogen fuel-cell roadblock

...tretch. Not only does the material have to be less expensive and readily available, it has to allow hydrogen to pass through it and be ductile enough to be drawn into long, thin tubes. It also has to resist oxidation, because oxygen and water vapor are commonly present in impure hydrogen. And finally, hydrogen...

'Dipstick' test could reduce risk of food poisoning by rapidly detecting spoilage

...used to identify foodborne pathogens often require expensive equipment, are time consuming (ranging from hours to days) and involve complicated analyses carried out by trained professionals. The researchers are working to improve the speed, sensitivity and accuracy of the new test. But Lavigne notes that n...

Engineers develop process to recycle unused paint by blending it into common plastics

...nt-blended PMMA might be able to compete with more expensive plastics that combine strength and flexibility, such as for laptop computer housings that need to withstand bumps and falls. Nosker also noted that plastics made with recycled paints could be used to make paint containers, eliminating metal cans an...

Ultrasound could help couples undergoing IVF

...unt is just as good a test for ovarian response as expensive and time consuming endocrine tests," says Kwee, who adds that the count appears to be "the only test able to reliably predict low and high responders."...

Lifting Chinese tiger trade ban a death sentence for wild tigers say WWF and TRAFFIC

...ble. Raising tigers in captivity is 250 times more expensive than poaching wild tigers so there's plenty of incentive to poach and smuggle the last remaining wild populations to extinction." Undercover surveys by TRAFFIC included in the report found little tiger bone currently available in China. Less than 3...

Press conferences at the year's largest physics meeting

...in past years extracting the resource has been too expensive to make it feasible. Rising oil costs may soon change that. Douglas Schmitt (University of Alberta) will report on new seismic imaging methods to track the flow of heavy oils, such as those in Colorado's shale and Canada's abundant oil sands, when th...

MIT particles pave way for new bedside diagnostics

...curate, if not more so, than the results from more expensive systems, he said. The particles offer a new way to do "multiplexed detection"-testing a single sample for multiple targets. In the laboratory, a common (but expensive) multiplexing technique involves a planar microarray-a flat surface with many spo...

Solar energy conversion offers a solution to help mitigate global warming

...ed atomic layer deposition techniques that replace expensive silicon with inexpensive titanium dioxide and chem...h developments lie in the development of new, less expensive materials for solar cells, including organics, thin films, dyes and shuttle ions, and in understandi...

UN, industry, others partner to create world standards for e-scrap recycling, harvesting components

...ium's price has increased six-fold, making it more expensive than silver. Though known mine reserves are limited, indium recycling is so far taking place in only a few plants in Belgium, Japan and the U.S. Japan recovers roughly half its indium needs through recycling. The market value of other important ...

Largest physics meeting of the year, in Denver

...in past years extracting the resource has been too expensive to make it feasible. Rising oil costs may soon change that. In session A2, Douglas Schmitt (University of Alberta) will repor!t on new seismic imaging methods to track the flow of heavy oils, such as those in Colorado's shale and Canada's abundant oi...

Super-fermenting fungus genome sequenced

...cellulosic ethanol, these forms of biomass require expensive and energy-intensive pretreatment with chemicals and/or heat to loosen up this complex. Enzymes are then employed to break down complex carbohydrate into sugars, such as glucose and xylose, which can then be fermented to produce ethanol. Additional...

Computer-designed molecule to clean up fluorocarbons?

...nt of a living organism; they can be difficult and expensive to adapt to an industrial process. Instead, the research team applied basic quantum mechanical theory of electron structures in molecules, together with the example of a known molecule that binds to and extracts chlorine ions, to calculate the make-u...

The secret of Dutch tapwater unveiled in new textbook

...h the use of bottled water and in-house filters is expensive and not environmentally-friendly, people often choose this practice because of the mediocre quality of the tap water and the taste of chlorine. The Dutch government and drinking water authorities have always made public health their first priority....

The cost of keeping eggs fresh for mother cockroaches

...ized . Why don't females take better care of their expensive eggs? After all, if the females don't use their eggs they have fewer offspring, whereas males make more sperm then they will use anyway. This evolutionary conundrum there should be selection for females to keep their eggs fresh until they are used ...

Treatment extends survival in mouse model of spinal muscular atrophy

...drugs influence the disease process. While TSA is expensive to produce and it is not approved for clinical use, similar drugs being developed to treat cancer and other diseases may be useful for treating SMA, Dr. Sumner says....

Public agrees global warming exists, but divided over seriousness of problem

...combat global warming ultimately may be a lot more expensive for society than tackling it now, he said. Survey results will be released May 12 in New Scientist. Finally, Stanford's Woods Institute for the Environment is funding a survey to be released this summer that will look at which effects of global war...

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