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Scientists find stem cell switch
Scientists have discovered how plant stem cells in roots detect soil structure and whether it is favourable for growth.   view more (2007-07-27)

Argonne breakthrough may revolutionize ethylene production
A new environmentally friendly technology created by scientists at the U.S. Department of Energy's (DOE) Argonne National Laboratory may revolutionize the production of the world's most commonly produced organic compound, ethylene.   view more (2008-02-06)

USP announces revised glycerin monograph
The U.S. Pharmacopeial (USP) Convention today announced a revised Glycerin monograph in the United States Pharmacopeia (USP), an official compendium of the United States.   view more (2008-03-18)

Ethylene suggested for hydrogen storage
Ethylene, a ho-hum material that is the building block of the most common plastic, might have an exciting future in storing hydrogen, the hoped-for transportation fuel of the future.   view more (2006-12-11)

A new idea for how anti-aging products delay ripening of fruit and wilting of flowers
When plants encounter ethylene, a gas they also produce naturally as a hormone, the result is softening and ripening in the case of fruit, and wilting and fading in the case of flowers - all of which ethylene promotes.   view more (2008-05-05)

Thale cress goes on the defensive
Thale cress has a complicated defence technique against insects and microorganisms that use the plant as a source of food.   view more (2007-05-15)

Chemical engineers help develop ways to recycle waste plastic
Project supervisor Dr Don Glass explained: "Waste plastic, particularly packaging, is one of the curses of the industrial age. Ill-managed landfill sites are surrounded by large areas in which unsightly wind-blown polymer film is festooned on trees and fences." He added that current EU regulations... view more (2000-01-20)

Plants tag insect herbivores with an alarm
Rooted in place, plants can't run from herbivores—but they can fight back. Sensing attack, plants frequently generate toxins, emit volatile chemicals to attract the pest's natural enemies, or launch other defensive tactics.   view more (2007-05-10)

A plum assignment
Plums: they're sweet, juicy, and packed with beneficial antioxidants and dietary fiber. Although there are many varieties available to consumers, there are two main types of the small, purple fruit: Japanese plums and European plums.   view more (2008-09-30)

Use of hip protector does not reduce risk of hip fracture for nursing home residents
Use of an energy-absorbing hip protector did not provide a protective effect against hip fracture for nursing home residents, adding to increasing evidence that hip protectors, as currently designed, are not effective for preventing hip fractures.   view more (2007-07-25)

How DDT metabolite disrupts breast cancer cells
Research has shown that the main metabolite of the insecticide DDT could be associated with aggressive breast cancer tumours, but there has been no explanation for this observation to date. Now a report published in the open access journal Breast Cancer Research shows how DDT could act to disrupt... view more (2008-02-14)

Elevated CO2 in atmosphere weakens defenses of soybeans to herbivores
In research to be presented at the annual meeting of the American Society of Plant Biologists in Chicago (July 7-11, 2007), scientists will show that elevated CO2 may negatively impact the relationship between some plants and insects.   view more (2007-07-09)

Bio-inspired assembly of nanoparticle building blocks
Chemists at Rice University have discovered how to assemble gold and silver nanoparticle building blocks into larger structures based on a novel method that harkens back to one of nature's oldest known chemical innovations - the self-assembly of lipid membranes that surround every living cell.   view more (2006-11-28)

Economical and cleaner cars with lean-burn catalytic converter
Dutch researcher Karen Scholz has taken a careful look at the properties of a new type of catalytic converter found in cars.   view more (2007-07-13)

Could microbes solve Russia's chemical weapons conundrum?
One of nature's most versatile microorganisms - a bacterium called Pseudomonas putida - could help mop up the toxic by-products caused by the destruction of the chemical weapon mustard, write Russian researchers in Journal of Chemical Technology and Biotechnology this month.   view more (2005-03-04)

Carnegie Mellon scientists develop nanogels that enable controlled delivery of carbohydrate drugs
Carnegie Mellon University scientists have developed tiny, spherical nanogels that uniformly release encapsulated carbohydrate-based drugs.   view more (2007-08-21)

Researchers use nanoparticles to deliver treatment for brain, spinal cord injuries
Purdue University researchers have developed a method of using nanoparticles to deliver treatments to injured brain and spinal cord cells.    view more (2008-10-02)

New material brings hydrogen fuel, cheaper petrochemicals closer to reality
A rubbery material that can purify hydrogen efficiently in its most usable form for fuel cells and oil refining has been developed by a chemical engineering group at The University of Texas at Austin.   view more (2006-02-03)

USGS examines environmental impacts of aircraft de-icers
The U.S. Geological Survey (USGS) has been examining the relative toxicity to aquatic life from a variety of formulations used to remove or prevent dangerous ice buildup on aircraft.   view more (2007-01-11)

The lethal fourth state
The use of toxic chemicals to sterilise medical instruments may soon be a thing of the past, according to researchers at Old Dominion University in Norfolk, Virginia, and the University of California in San Diego. Their work, released on 30 April 2003 in New Journal of Physics, published jointly by... view more (2003-04-24)

Rice chemists create, grow nanotube seeds
Rice University chemists today revealed the first method for cutting carbon nanotubes into "seeds" and using those seeds to sprout new nanotubes.   view more (2006-11-20)

MIT particles pave way for new bedside diagnostics
MIT researchers have created an inexpensive method to screen for millions of different biomolecules (DNA, proteins, etc.) in a single sample-a technology that could make possible the development of low-cost clinical bedside diagnostics.   view more (2007-03-09)

Mayo Clinic case series illuminates connection between welding, brain damage
A Mayo Clinic case series analysis has pinpointed for the first time syndromes associated with toxic damage to the brain and nervous system from manganese fumes generated during welding.    view more (2005-06-09)

Just breathe: Ozone forecaster unveiled at University of Houston, available via Web
People with asthma or other respiratory problems can breathe a sigh of relief thanks to University of Houston professors who have recently unveiled a forecasting system that provides air quality data on ozone conditions.   view more (2006-08-22)
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