News tagged with chemical systems

Deterring signals: Tobacco plants advertise their defensive readiness to attacking leafhoppers

Following herbivory, plants produce jasmonic acid, a hormone which activates several plant defense reactions. Scientists found that leafhoppers can evaluate whether tobacco plants are ready for defense when attacked. If jasmonate-signaling ...

Biology / Biotechnology

created May 23, 2012 | popularity 5 / 5 (1) | comments 0

Dip chip technology tests toxicity on the go

From man-made toxic chemicals such as industrial by-products to poisons that occur naturally, a water or food supply can be easily contaminated. And for every level of toxic material ingested, there is some level of bodily ...

Chemistry / Analytical Chemistry

created May 14, 2012 | popularity 5 / 5 (2) | comments 0

Magnetic nanochain detonates chemo barrage inside tumors

Medicine-toting nanochains slip into tumors and explode a chemotherapy drug into hard-to-reach cores of cancer, engineers and scientists at Case Western Reserve University report.

Nanotechnology / Bio & Medicine

created Apr 18, 2012 | popularity 5 / 5 (8) | comments 0 | with audio podcast

Licorice root found to contain anti-diabetic substance

It provides the raw material for liquorice candy, calms the stomach and alleviates diseases of the airways: liquorice root. Chosen as the "Medicinal plant 2012", the root has been treasured in traditional healing since ancient ...

Chemistry / Biochemistry

created Apr 17, 2012 | popularity 5 / 5 (2) | comments 0

Using cell phones to detect harmful airborne substances

The lab of a University of California, Riverside Bourns College of Engineering professor was named on Tuesday, April 3 after Innovation Economy Corporation, a Riverside company that plans to commercialize ...

Nanotechnology / Bio & Medicine

created Apr 04, 2012 | popularity 1 / 5 (1) | comments 0

New metal alloy electrode designed for plus-sized ions

(PhysOrg.com) -- Storing energy from wind farms and releasing that electricity on demand requires high-capacity, low-cost batteries; sodium-ion batteries could be part of the answer now, thanks to fundamental ...

Chemistry / Materials Science

created Apr 04, 2012 | popularity 5 / 5 (3) | comments 2 | with audio podcast

A planetary system from the early Universe

A group of European astronomers has discovered an ancient planetary system that is likely to be a survivor from one of the earliest cosmic eras, 13 billion years ago. The system consists of the star HIP 11952 ...

Space & Earth / Astronomy

created Mar 27, 2012 | popularity 4.5 / 5 (13) | comments 13 | with audio podcast

Researchers present a shiny new tool for imaging biomolecules

At the heart of the immune system that protects our bodies from disease and foreign invaders is a vast and complex communications network involving millions of cells, sending and receiving chemical signals ...

Nanotechnology / Nanophysics

created Mar 23, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Cebit 2012: The wireless bicycle brake, a prototype on an exciting mission

A German computer scientist has developed a reliable wireless bicycle brake.

Technology / Engineering

created Feb 24, 2012 | popularity 2.3 / 5 (3) | comments 8

Earth siblings can be different: Chemical clues on the formation of planetary systems

An international team of researchers, with the participation of IAC astronomers, has discovered that the chemical structure of Earth-like planets can be very different from the bulk composition of the Earth. ...

Space & Earth / Astronomy

created Feb 23, 2012 | popularity not rated yet | comments 0

A secret hidden in Australia's ocean eddies

Deep-diving ocean "gliders" have revealed the journey of Bass Strait water from the Tasman Sea to the Indian Ocean.

Space & Earth / Earth Sciences

created Feb 22, 2012 | popularity 4.5 / 5 (2) | comments 0

Honeycomb structure responsible for bacteria's extraordinary sense

(PhysOrg.com) -- Cornell researchers have peered into the complex molecular network of receptors that give one-celled organisms like bacteria the ability to sense their environment and respond to chemical ...

Biology / Cell & Microbiology

created Feb 20, 2012 | popularity 4.8 / 5 (11) | comments 4 | with audio podcast

Man-made photosynthesis to revolutionize food and energy production

Improving natural photosynthesis to make new fuels and boost crop production is the focus of new research presented at the American Association for the Advancement of Science (AAAS) Annual Meeting today. It could see us one ...

Chemistry / Materials Science

created Feb 17, 2012 | popularity 4.6 / 5 (9) | comments 0 | with audio podcast

Decoding the molecular machine behind E. coli and cholera

Scientists from Queen Mary, University of London have discovered the workings behind some of the bacteria that kill hundreds of thousands every year, possibly paving the way for new antibiotics that could treat infections ...

Biology / Cell & Microbiology

created Feb 09, 2012 | popularity not rated yet | comments 0 | with audio podcast

UT biosolar breakthrough promises cheap, easy green electricity

Barry D. Bruce, professor of biochemistry, cellular and molecular biology, at the University of Tennessee, Knoxville, is turning the term "power plant" on its head. The biochemist and a team of researchers have developed ...

Technology / Energy & Green Tech

created Feb 02, 2012 | popularity 4.9 / 5 (8) | comments 8 | with audio podcast