Hormone regulates fondness for food
...ding how brain systems interact with hormones that signal hunger and energy stores will provide us with a more complete picture of factors controlling eating behaviour and will hopefully take us beyond some of the prevailing and simplistic assumptions about why some people have difficulties in controlling h...Galileo to support global search and rescue
...However, there is a delay in relaying the distress signal because the satellites can only 'see' a part of th...otifying the emergency victims that their distress signal has been received and help is on its way. The Galileo In-Orbit Validation Programme, which will h...Miniature implanted devices could treat epilepsy, glaucoma
... workings of a "nanoamplifier" needed to boost the signal from the low-power device. "This device uses less than a microwatt," Irazoqui said. "It uses nanowatts." The Purdue researchers are planning to conduct animal trials by December and human trials within 18 months. The device is fully implantable a...Scientists train nano-'building blocks' to take on new shapes, as reported in Science
...an a human hair, with potential uses in radiology, signal communication and the delivery of therapeutic drugs in the human body. The discovery, a fundamental new tool for nanotechnology, is reported in the Aug. 3 issue of the prestigious journal 'Science.' Darrin Pochan, associate professor of materials...ESA's Earth Explorer gravity satellite on show
... and volcanic zones." Because the gravitational signal is stronger closer to the Earth, GOCE has been designed to fly in a particularly low orbit - at an altitude of just 250 km. However, the remaining atmosphere at low altitudes creates a demanding environment for the satellite and presented a challenge...... has an added analyzer circuit that checks the ECG signal for signs of imminent cardiac failure. If errant s...erts the patient and transmits a sample of the ECG signal to the nearest medical care centre, via the SMS text service, together with patient details. The d...Speeding up CT scans with cellphone technology, ultrasound warning signal for breast cancer
... discovery that ultrasound might provide a warning signal for breast cancer; a multiplexing technique, simil...f combining multiple signals to form one composite signal for transmission. For the multiplexing CT scanner, multiple x-ray sources fire simultaneously to cap...Cancer on the agenda of the Portuguese EU Council Presidency
...nvinced that it is time to send a strong political signal for a broad alliance and concerted actions for the benefit of patients in Europe and worldwide and considers this event a tangible means for the Portuguese Presidency in this direction, said Prof. Mellstedt. The Portuguese representatives, ESMO, the ...Reduced greenhouse gas emissions required to avoid dangerous increases in heat stress
...i said. "This is the first time this amplification signal over coastal areas could be seen and quantified. Coastal regions are particularly vulnerable because they will likely be affected by other important climate change related stresses, such as a rising sea level." Diffenbaugh said without the high res...Children's brain responses predict impact of sleep loss on attention
...ted to suggest that neutral based risk factors can signal the cognitive resilience of individuals in handling subsequent sleep loss," said Millis. Experts recommend that children in pre-school sleep between 11-13 hours a night, and school-aged children between 10-11 hours of sleep a night. Your child ...Brightening prospects of using fluorescent nanotubes in medical applications
... or colors. This makes it easier to pick out their signal against background noise. Furthermore, they produce light in a part of the spectrum the near infrared where skin and other tissue is transparent that allows the nanotube light to stand out. Nanotubes are made entirely from graphitic carbon, whi...How to lose weight and not go hungry: HU researcher develops drug that mimics feeling of 'fullness'
...curs on a substantial level, the brain sends out a signal that one feels full. The young Hebrew university researchers developed a novel method for synthesizing a peptide (a peptide is a compound linking two or more amino acids) which can serve as an analog to the naturally occurring aMSH hormone. They ...Study outlines how stroke, head injury can increase risk of Alzheimer's disease
...osomes, a process that is disrupted if a molecular signal on the enzyme is altered. That signal binds to GGA proteins, which are required for the transport of several types of enzymes into lysosom...New biodegradable magnesium stents for coronary arteries
... and for a long time. Whether bioabsorbable stents signal the threshold of a new era for percutaneous coronary intervention is yet to unfold."...Doctors, engineers develop new wireless system to detect esophageal reflux
...er than a dime, tests for electrical impulses that signal acidic or nonacidic liquids moving through the esophagus. It then transmits data to a wireless sensor worn around the neck. The device, presented May 23 at the Digestive Disease Week conference in Washington D.C., is still in the test phase. But r...Medical, high-energy physicists collaborate to improve PET scans
...f new time-of-flight data permits determination of signal locations in a direction at a right angle to the detector face as well. "If time-of-flight measurements can be assessed with an accuracy less than 30 picoseconds, better resolution in both directions can be achieved, essentially eliminating the need ...Alternative hormone treatment could help fight against breast cancer
...s within the pituitary gland and thereby block the signal for ovarian production of oestrogen, which is known to stimulate the growth of breast cancer. Professor Jack Cuzick, Cancer Research UK Centre for Epidemiology, Mathematics and Statistics, Wolfson Institute of Preventive Medicine, Queen Mary's Scho...JCI table of contents: May 10, 2007
... shows that cardiomyocytes and cardiac fibroblasts signal to each other in times of cardiac stress. TITLE: IL-33 and ST2 comprise a critical biomechanically induced and cardioprotective signaling system AUTHOR CONTACT: Richard Lee Brigham and Womens Hospital, Harvard Medical School, Boston, Massachuse...New therapeutic targets for neurodegenerative diseases
...vene in the process from the moment of the lethal signal to the point where the cells collapse. In this type of experimental work a series of molecules involved in the death process are identified, the aim being to come up with pharmaceutical medicines that will improve treatment. Apart from working wit...Scientists equip bacteria with custom chemo-navigational system
...with an ability to localize to a specific chemical signal would open new frontiers in environmental cleanup, drug delivery and synthetic biology," says Dr. Gallivan. The researchers equipped E. coli with a "riboswitch," a segment of RNA that changes shape when bound to certain small target molecules, whic...