Optical technique identifies vulnerable plaques in cardiac patients
... a deposit of lipids (fats), a thin cap of fibrous material covering the lipid pool, and infiltration of the immune cells called macrophages. The OCT images showed that the heart attack and ACS patients had more lipid in their plaques and significantly thinner fibrous caps than did the stable angina patients....Targeting mutant B-Raf protein reduces melanoma development
...he signals, to the nucleus, which contains genetic material and controls many of the cell's activities. B-Raf is one member of the chain that relays signals playing an important role in cell signaling. The protein is usually only active when needed to relay signals. In contrast, mutant B-Raf is active all the...New technique shows promise for improved straightening of crooked nose
...ess resulting from previous rhinoplasty. The graft material provides increased strength against further trauma and provides more stability than previous techniques, according to the author. All 41 patients undergoing surgery with this technique, called extended spreader graft, had substantial improvement in ...New hand-held information system for emergency responders
...p first responders when they arrive at a hazardous material (Hazmat) incident, such as a chemical spill. WISER...forts to combat the growing incidence of hazardous material incidents in the United States. Based on statistics collected by the U.S. Coast Guard's National Res...Ethical discussion should come before research
...as cloning and parthenogenesis, which uses genetic material from a single parent. Some scientists argue that t...ssibility of creating embryos that combine genetic material from two species could open the door to unanticipated harmful consequences as easily as beneficial o...New fingerprint visualization method uses X-rays to reveal missing clues
...me fingerprints will not contain enough detectable material to be seen. In addition, MXRF fingerprint visualization cant detect every element. In general, the heavier the individual element, the more easily it is detectable by this method, Worley says. Lighter elements like carbon, nitrogen and oxygen cant be...'Artery clearing' system does not provide benefit for patients undergoing PCI
... deposit in an artery) and thrombotic (blood clot) material ("debris") during percutaneous coronary interventi...ches. Vessel occlusion or aspiration of embolizing material may not have been complete; also, the protection device is not able to impede the release of soluble...CK2 protein sustains colon cancer cells by sabotaging ability to commit suicide
...sh RNA). This technique uses a tiny bit of genetic material specifically designed to shut down a particular gene--in this case, the gene for the alpha proteins that make up part of CK2. Again, CK2 activity was lost, the cancer cells were sensitized to TRAIL, and the cells committed suicide. The researchers ...High-intensity ultrasound creates hollow nanospheres and nanocrystals
...hemical procedure could be easily applied to other material systems to create additional types of hollow, nanostructured particles, Suslick said. Sonochemistry arises from acoustic cavitation the formation, growth and implosion of small gas bubbles in a liquid blasted with sound. The collapse of these bubble...Scientists replicate hepatitis C virus in laboratory
... that it contained only nucleic acids, the genetic material of the virus, and did not have the HCV viral envelope, a protective shell of lipids and proteins that surrounds the viral RNA in fully-formed HCV. The naked HCV construct was then placed into human liver cells in a cell culture medium. The NIDDK sci...Violence in the media can lead to aggressive behaviour in young children
...on or chemicals around the home. Carelessness with material that contains extreme violent and sexual imagery m...ents and teachers can view age appropriate violent material with children and help them critically appraise what they see, in terms of its realism, justificatio...Prestigious 2004 AAAS Philip Hauge Abelson Prize honors Maxine Singer
...ser the day when the ability to manipulate genetic material can be used for improving the life of all humans." In 1973, Singer co-chaired a Gordon conference, where she focused on helping to address early concerns about potential risks of recombinant DNA technology. She was then an organizer of the famous 197...UCLA study: Nearly a third of drug ads in medical journals contain no references for medical claims
...ims; while the majority of references to published material were available, only a minority of company data-on-file documents were provided upon request; and the majority of original research cited in the ads was funded by or had authors affiliated with the product's manufacturer. In one of the largest studi......ims; while the majority of references to published material were available, only a minority of company data-on-file documents were provided upon request; and the majority of original research cited in the ads was funded by or had authors affiliated with the product's manufacturer. In one of the largest studie...Tiny superconductors withstand stronger magnetic fields
...as then coated with a thin film of superconducting material (molybdenum-germanium), chilled below its critical temperature, and its properties measured in the presence of a magnetic field. "Usually, when you apply a magnetic field to a superconductor, the field suppresses or even destroys the superconductivit...Risk and intimate relationships: Can hope triumph over experience in an age of 'messy' lives?
...d the erosion of the traditional family means more material and emotional issues that must be coped with - something that becomes more difficult still with the arrival of children. Professor Lewis said: "Peoples' lives have become much more messy - neither jobs nor marriages are for life. Nor are there any c...Disaster management: Better management of hospital resources and staff is the answer
...ouldallow for a better, more efficient exchange of material and human resourceswhenneeded. In all, the most pressing needs are education and training, and moredetailedplanning that acknowledges the specific disaster medical needs of hospitalsandICU's worldwide....Study sheds light on cross-species infection for BSE
...e has been uncertainty regarding the amount of BSE material that constitutes an oral infectious dose for humans. The study estimates that a person would have to eat at least 1.5kg of neural tissue from an infected animal that was just below the detection limit when tested negative at the slaughterhouse, to be...Reviparin effective in reducing risk of death after heart attack
...hat the current regimen of high-dose GIK is of any material benefit in reducing mortality in patients with STEMI."(JAMA. 2005;293:437-446. Available post-embargo at JAMA.com ) Editor's Note: This study had no external funding. Aventis Pharma donated human insulin in India. Aventis Pharma had no role in the......lowing a CTPA exam requires no additional contrast material and only three minutes to perform. In both the CTV and CTPA, a series of x-ray beams is directed through the body from different angles, creating cross-sectional views of the body thatare assembled by computer into a stack of pictures that can be rap...