Portable cocaine sensor developed at UC Santa Barbara
...f chemistry and biochemistry. "Cocaine is just the tip of the iceberg." Currently detecting cocaine (and other illegal and legal drugs) in bodily fluids must be done by a laboratory with large and expensive equipment. The process takes from hours to days to get a result. The potential medical implication...Computer scientist sorts out confusable drug names
...d. PPC looked at the problem and then, based on a tip from a professor at the University of Maryland, turned to Dr. Greg Kondrak, a professor in the University of Alberta Department of Computing Science. "During my PhD research, I wrote a program called ALINE for identifying similar-sounding words in t...Study finds incidence of hypertension reduced with early intervention
...r diet and exercise habits. "I think this is the tip of the iceberg in the further study of new treatment protocols for pre-hypertension" Dr. Nesbitt said. "We've typically waited until people have hypertension before we treated them, and it's really hard to stave off the disease's progression when you...Cystic fibrosis research could benefit from multi-functional sensing tool
...gy adds recessed micro- and nano-electrodes to the tip of an atomic force microscope (AFM), creating a single tool that can simultaneously monitor topography along with electrochemical activity at the cell surface. Researchers will present information on the research on March 26 at the American Chemica...Magnetically guided catheter zaps atrial fibrillation
...y the radio frequency pulse is emitted by from the tip of a catheter threaded through blood vessels into ...device tested in this trial uses a very soft, limp tip that has a magnet on the end. Rather than manually pointing the catheter tip, the operator of this d...Heart Rhythm Society to host first ever live remote ablation demonstration
... a magnetic field that remotely moves the catheter tip into position. Clinical research has shown that computer directed magnets can provide more precise catheter control and may carry less risk of complications from surgery. HEART RHYTHM 2006 takes place May 17-20 at the Boston Convention and Exhibit...New GI technologies improve internal organ visualization
... practice of using an ultrasound transducer at the tip of an endoscope to visualize and offer therapeutic intervention to the gastrointestinal tract and its surrounding structures, which includes nearby vasculature and organs. The researchers tested the feasibility of EUS to perform angiography in thre...Five surprising facts about starvation that could change the international agenda
... says Webb. "Wasting in emergencies represents the tip of the iceberg," write the authors. "Ironically, the international community has become much more adept at saving the lives of wasted children in the context of catastrophes than in the context of typical development," state the authors. The authors...The greater the number of bars in a neighborhood, the higher the rates of assault
...ties. After all, violent assaults may only be the tip of the iceberg. Responsible leadership needs to factor in the potential social costs as well as the economic benefits associated with the approval of an additional alcohol outlet." Gruenewald agrees. "Local city and county planning and zoning boar...Story tips from the Department of Energy's Oak Ridge National Laboratory, July 2006
...the electrically conductive liquid interferes with tip biasing and surface vibration detection and dampens the probe's cantilever. In work recently described in Physical Review Letters, the ORNL team overcame the problem by using high-frequency biases to probe the sample surface, which reduces both the d...Digital surgery with touch feedback could improve medical training
...ysics. The localized points migrate along with the tip of the virtual instrument, much like a roving swarm of bees. This method enables the program to rapidly perform hundreds of thousands of calculations for real-time touch feedback, making it superior to other approaches, according to the researcher...New biomedical device uses nanotechnology to monitor hip implant healing, may reduce wait times
...s after surgery--it is so tiny it can fit onto the tip of a pen. "This microsensor not only reduces post-operation recovery time, it will also help reduce the wait time for patients needing artificial joint implants," says Dr. Walied Moussa, a professor in the Department of Mechanical Engineering. Dur...T-ray breakthrough could make detecting disease far easier
..." "In this way, the T-rays can be focused to the tip of the wire and guided into confined spaces or used to detect small objects, with important implications for disease detection or finding explosive that are hidden."...Precautionary approach suggested to protect pregnant women and children against industrial chemicals
...neurodevelopment should therefore be viewed as the tip of a very large iceberg. Dr Grandjean concludes: "The vulnerability of the human nervous system and its special susceptibility during early development suggest that protection of the developing brain should be a paramount goal of public health prote...Mayo Clinic research reveals 'broken heart syndrome' recurs in 1 of 10 patients
... ABS, when patients' hearts respond to stress, the tip of the heart's main pumping chamber stretches, balloons out and weakens. The syndrome has been diagnosed mainly in postmenopausal women, though the reason for this gender skew is not yet known. About the Two Mayo StudiesIn the Mayo heart-blood flo...No benefit to mechanically opening arteries days after a heart attack
...essels by inflating a tiny balloon tethered to the tip of a catheter. Tiny wire tubes called stents were inserted then into the artery to keep the vessel open. The vast majority of the patients who were treated with the balloon procedure had stents implanted at the same time. "It is critical th...Optical technique provides improved 'virtual biopsies' of internal surfaces
...roptic catheter probe, a constantly rotating laser tip emits a light beam with an ever-changing wavelength. Measuring how each wavelength is reflected back, as the probe moves through the structure to be imaged, allows rapid acquisition of the data required to create the detailed microscopic images. ......have gone some way to illuminating things like the tip of my tongue sensation when you cant think of a particular word. We just wanted to get to the same sort of understanding for dj vu." OConnors thesis, due to be completed next year, examines the experimental induction of dj vu through hypnosis. "We n...Einstein's tea leaves inspire new blood separation technique
...ount of blood enters a fluid chamber, and a needle tip is placed close to the surface of the blood at an ... applied to the needle, generating ions around its tip that repel the oppositely charged ions close to it. This creates an airflow known as "ionic wind" th...New amfAR research grants aim to advance understanding and prevention of rectal HIV transmission
...rus and the cells in the rectum and colon that can tip the scale towards the establishment of infection. Understanding the extent to which anal intercourse spreads HIV infection will become increasingly important as researchers race to devise microbicides, which may be effective only when used vaginal...