Indoor air purifiers that produce even small amounts of ozone may be risky for health
...ing offices, bathrooms, bedrooms and cars. Placed inside a room, the air purifier was turned on, and the ozone concentration buildup was tracked until a steady level of ozone was reached. In many cases, indoor ozone levels far exceeded outdoor safety guidelines, which in California are 90 parts per billion...Human Factors research highlights ways to improve patient safety
...relies heavily on imaging devices that display the inside of the body. Despite its benefits to patients, MIS presents challenges to surgeons because of reduced field of view and degraded depth perception. The results of DeLucia and colleagues suggest ways that surgeons can navigate better during MIS. Somet...Desensitization protocol overcomes allergy to clopidogrel
...ng medication critical to preventing new blockages inside coronary stents, according to a study being presented at the Society for Cardiovascular Angiography and Interventions (SCAI) 29th Annual Scientific Sessions in Chicago, May 1013. (Time of Presentation: Thursday, May 11, 10:39 a.m. Central Time) "Alle...Sick of being pregnant? Inducing labor carries risks, Saint Louis University research finds
... with risk factors, one of them being an infection inside the uterus. Women who are tired of being pregnant and looking at induction for elective reasons need to closely consider that an elective induction may have more risk than spontaneous labor," she said. "So, enjoy the pregnancy. You won't be getting l...Damage from oxygen may be one cause of Parkinson's disease
...ansport chain, which produces an electrical charge inside mitochondria. Mitochondria then use this electrical charge to make energy. Using the brain cells from deceased Parkinson's patients who donated to the UVa brain bank, Dr. Jim Bennett, a UVa neurologist, and colleagues, isolated complex I from the mi...Flick of whiskers helps tease out brain's 'shadow' signaling system
... their activity by measuring the amount of calcium inside the cells. By listening in the right way, her team has made a series of discoveries that have brought the once-obscure astrocyte and its signaling capability into prominence. In the latest work, graduate student Xiaohai Wang, M.D., led a team that fo...Surgical plugs in ear's bone stops strange form of severe dizziness
...rs, are unable to read or sleep due to loud noises inside their head, and some become convinced they are men...where patients hear their own voices reverberating inside their head. For some patients, even a conversational level of loudness can produce symptoms strong ...MIT 'seeing machine' offers hope to blind
...ed the virtual environment - which represented the inside of an MIT building - via a joystick that allowed them to move forward, backward and sideways. All of the participants reported that the machine "may have the potential to assist their mobility in unfamiliar environments," according to the Optometry a...Carbon-based quantum dots could mean 'greener,' safer technology in medicine and biology
...ecular band-aid," enabling light emission from the inside of the polymer casing, they say. Scientists believe that metal-based quantum dots emit light by a somewhat different mechanism. The two-sided polymer coating allows researchers to attach antibodies or other labeling materials to the carbon dot, says ...Virtual colon screenings examined
... to a computer, creating a detailed picture of the inside of the colon, so that a doctor can search for polyps or other abnormalities that may need to be removed. A Prospective Evaluation and Classification of Extra-Colonic Abnormalities Identified with Computed Tomographic Colonography Screening in Asymp...WPI team receives $1.8 million to study atherosclerotic plaque progression and rupture
... picture of the physical and biological conditions inside arteries that promote the initial formation of a plaque, and then favor its continued growth. The work will also reveal, in unprecedented detail, the factors that cause plaques to rupture, leading directly to heart attacks and stroke. Plaques are dep...Age-related structural change may contribute to fracture risk
...ngs suggest that minerals are slowly lost from the inside of the bone, while at the same time there is increased deposition of mineral in the cortical or outer envelope of the bone that increases the circumference but not the thickness. To arrive at their conclusions, the researchers tested 251 pre-menopau...Early results find activity in drug that turns on tumor 'death' receptors
... breast. The drug is designed to activate pathways inside tumor cells that lead to destruction of these cell...the cell (unlike p53, which activates suicide from inside the cell.) Drugs aimed at treating autoimmune disease have been developed that block specific death ...JCI table of contents, June 8, 2006
...ertrophy Nucleosomes package DNA into chromosomes inside the cell nucleus and help control gene expression....hreonine kinases control where HDACs are localized inside the cell, but whether certain Class IIa HDACs respond selectively to specific kinases had not been p...New x-ray delivery method could improve radiation therapy
...nterlace" the beams within a well-defined "target" inside the subject to increase their killing potential there, while retaining the technique's hallmark feature of sparing healthy tissue outside that target. First, they exposed the spinal cords and brains of healthy rats to thicker (0.27 to 0.68 millimeter...Stopping medication too soon after receiving a drug-eluting stent raises risk of death
...l problem of stent thrombosis (blood clots forming inside the stent), which can be associated with devastating consequences. Antiplatelet agents, including thienopyridines, reduce the likelihood of stent thrombosis. According to Spertus, no previous studies have defined the frequency and consequences of p...Risk of ventilator-associated pneumonia cut significantly
...n in the form of a paste was applied every 6 hours inside the mouth at the cheeks (or the buccal cavity). Oropharyngeal swabs were taken daily to determine the level of gram-positive and gram-negative microorganisms. Of the 385 patients in the study cohort, 52 were diagnosed with ventilator-associated pneum...Preparation may help patients cope with nausea
... no effect whatsoever. Participants sat on a stool inside a drum marked with vertical stripes viewing the drum's rotation induced the illusion of self-motion. The drum was rotated at a constant speed for 16 minutes, unless participants asked that it be stopped early. While the drum was rotating, an interco...DNA repair in mammal embryos is a matter of timing
...f embryo development, when many cells are dividing inside the growing body. In contrast, the pathway called non-homologous end joining (NHEJ) becomes an important repair mechanism midway through development, when cells begin to assume their final form and take on specific roles. HR and NHEJ repair a type of......us that would stimulate the immune system, but the inside genes of a harmless variety of virus that could not cause disease. The St. Jude team was the first to use reverse genetics to make a vaccine against H5N1 that moved out of the laboratory and into clinical trials: http://www.stjude.org/media/0,2561,4...