Optical technique studies brain activity without surgery on skull
...r-infrared laser diodes is carried through optical fibers to a persons head. The light penetrates the skull where it assesses the brains oxygen level and blood volume. The scattered light is then collected by optical fibers, sent to detectors and analyzed by a computer. By examining how much of the light ...Wolfgang Glasser receives ACS award for wood chemistry, bio-based composites research
...l and forest products, including waste paper, into fibers and chemicals. Fibers are useful sources for struc...tates. Lignin, the natural glue that provides wood fibers with their strength and that is removed during papermaking, has become a two-billion pound (one mill...UCSF begins clinical trials for new bionic ear for profoundly deaf adults
... using electrical currents to excite hearing nerve fibers and send the sound information from the outside device to the cochlear implant, then on to the brain. The new speech processing strategies can be used only with the Clarion CII Bionic Ear manufactured by Advanced Bionics Corporation, Valencia, Calif......ombines rapidly cured vinyl ester resin and carbon fibers precoated with a water dispersable sizing solution...hers developed fiber reinforced materials with the fibers coated and treated to avoid premature curing, ensure rapid cure, and allow the thermosetting matrix...Transplanted human neural stem cells improve memory in rats
...e new environment, but that the rats' own neuronal fibers had grown dramatically in areas associated with spatial memory. Sugaya theorizes that the transplanted stem cells may have replaced or augmented the function of old or damaged neural cells in the rats' brains. Alternatively, or in addition, he said,...Polymer research could lead to better protective clothing
...sporin first aid cream to make polyester films and fibers that were exposed to the E.coli bacteria. Laboratory tests found the treated films and fibers prevented the growth of the bacteria. The researchers are also investigating ways of laminating f......onsible for inhibiting the growth of injured nerve fibers in the brain and spinal cord by the protein, Nogo. The finding could lead to the reversal of functional deficits in brain and spinal cord injuries caused by trauma and stroke, or brought about by degenerative diseases, such as multiple sclerosis. "We...Getting older and feeling weaker?
..." he says. Muscles are composed of two types of fibers "fatigue-able" and fatigue-resistant. The fatigue-able fibers provide maximum strength or force, and we experience a selective loss of these fibers as we age. So,......ffect the growth of the myelin sheath of the nerve fibers in the brain. The myelin sheath is the fatty covering surrounding the nerve cells that acts as an insulator. The disease is caused by a genetic flaw in which an enzyme fails to be produced. Symptoms of Canavan disease, which appear in early infancy a......n on day 1 had an increase in the density of nerve fibers on the left side of the dorsal horn, the layered s...ection on postnatal day 14. The patterns of nerve fibers in this group looked like those of normal rats. The researchers surmise that the critical time poin......an injury affects nerves and nerve axons, the thin fibers that conduct impulses toward and away from nerve cells. "If a nerve is compressed, one gets numbness," Dr. Bove says. "If an inflamed nerve is compressed, one often feels pain." According to Dr. Bove, 40 percent of people with back pain also report......pair of the myelin sheath. Myelin surrounds nerve fibers and acts as "insulation," allowing them to function properly. Previously, it was thought that damage to myelin was permanent and repair to the nervous system was not possible. In humans, damage to the myelin sheath can be caused by traumatic injury ...OHSU researchers discover new synapses in brain
...ulates nerve fibers. This insulation allows nerve fibers to transmit signals at high speed, like the signal...uscles. The breakdown of myelin around these nerve fibers is believed to be the cause of multiple sclerosis. Scientists at OHSU, in collaboration with collea...New evidence suggests reconsidering causes and treatments for schizophrenia
...he cholinergic system comprises the nerve cells or fibers that employ acetylcholine as their neurotransmitter. Cholinergic nerve connections, or synapses, are of two major types, utilizing muscarinic receptors and nicotinic receptors. More than 90 percent of the cholinergic receptors are muscarinic. Inve......curs in the myelin sheath that insulates the nerve fibers of the brain and spinal cord, resulting in patches of scar tissue, or "sclerosis." When demyelination occurs, nerve impulses are slowed or halted which can cause symptoms ranging from numbness in the limbs to complete paralysis. NOVANTRONE acts in p...Eastman gives Clemson University $38 million fiber technology
...orbent than anything currently on the market. CSM fibers are unique because their surfaces are engineered t... contain deep channels. By comparison, most other fibers -- both man-made and natural -- have essentially smooth surfaces. It's those deep channels that giv...... deeper layer of the skin and produce the collagen fibers that give strength to the repair. Inaddition honey stimulates the growth of epithelial cells that form the new skin cover over a healedwound. Honey thus prevents scarring and keloid formation, and removes the need for skin grafting evenwith quite l...Pathway may provide target for treating chronic pain
...e chemicalmessenger serotonin is released by nerve fibers descending from the brain. In these experiments, Zhuo, Sheng and colleagues manufactured a proteinfragment, called a peptide, to compete with GRIP at AMPA receptors in neurons.When that synthetic peptide bound to the receptors, the latter were unable...New light on the role of microbial pathogens in atherosclerosis
...theroma plaque(proportions of lipids, macrophages, fibers and muscle cells), because this isan important fac...ee from thevessel wall. The proportion of collagen fibers - a factor protecting againstrupture - was four times lower in IL-10-deficient mice than in normal m...Use it or lose it applies to nervous system, scientists find
... amuscle protein that receives messages from nerve fibers skulks away if ignored.This may explain why withdr...y afterapplying fluorescent bungarotoxin to muscle fibers in a mouse's neck. Theylocated the same synapses hours and then days later to see how much fluoresce...