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Tag: "microscopic" at medical news

The Hospital Superbugs

...hospital superbugs . It infiltrates hospitals as microscopic spores. Its defences are so strong it can resist most antibiotics. And it kills three times as many people every year as MRSA. A research group led by Professor Nigel Minton in the Centre for Healthcare Associated Infections (CHAI), with Dr Peter ...

Prions Capacity can Be Aggrevated by Solid Particles

...m to have a special affinity for latching onto the microscopic particles. "We expected the binding of the montmorillonite to be the highest among the minerals we examined. However, we were surprised by the strength of the binding," notes Joel Pedersen, a UW-Madison professor of soil science who helped direct t...

Now, 'virtual' Mouse Brains Available on the Net

...ity has created high resolution, three-dimentional microscopic images of tiny mouse brains, which unveil every layer of the organ. The researchers could materialise this task by extending the capabilities of conventional magnetic resonance imaging. "These images can be more than 100,000 times higher resol...

Scientists Revealed the Key Molecule That Controls Pain

...hers at The University of Manchester have examined microscopic amoeboid organisms commonly called slime moulds in a bid to gain greater insight into these pain molecules, known as P2X receptors. In humans, P2X receptors look identical to one another and so scientists have had difficulty understanding how they f...

Human Pain-controlling Molecule's Structure Identified

...f Manchester. Researchers examined slime moulds, microscopic amoeboid organisms to closely study the 'P2X receptors'. Researchers found that the human P2X and the slime mould equivalent was 10 percent similar and suggest on the basis of evolutionary theory that these similar parts of the molecule probably r...

Boffins Find Evidence for Novel Brain Cell Communication

.... The current study provides the first electron microscopic evidence for gap junctions on the axons of excitatory nerve cells in the mammalian brain. Gap junctions at this site, on axons, would be expected to act as short circuits for nerve signals and to produce cross-talk. However the new data raise the ...

Research in the Origin of Microtubules

...s -- is the source of a particular subset of these microscopic fibers. Scientists have long thought that microtubules, part of the microscopic scaffolding that the cell uses to move things around in order to hold its shape and divide, originat...

Brains White Matter: More Talkative Than Once Thought

...d causes electrical signals in the OPCs. A further microscopic hunt revealed that pools of glutamate were present in the nerve fibers wherever they touched OPCs. All of the nerve cells in the white matter that released glutamate within reach of OPCs, moreover, had something in common: no myelin insulation. Nor...

Sylvester Stallone Admits He Tried to Smuggle Banned Growth Hormone to Australia

...p inside the brain just behind the eyes. It is a microscopic protein substance that is secreted in short pulses during the first hours of sleep and after exercise. It is made throughout a person's lifetime, but is more plentiful during youth. It stimulates growth in children and plays an important role in ...

Memory Loss Linked to Cognitive Disorders

...a second one that labels synapses. Newly developed microscopic methods were used to visualize and measure synapses that had both antibodies attached. Researchers found with the images that the size and shape of synapses were changed by LTP. It was shown how LTP deficiencies accompany the memory loss seen dur...

Veterans Exposed to Agent Orange Increased Risk of Prostate Cancer Recurrence

...ave disease recurrence, Dr. Terris points out that microscopic cancer cells can migrate out of the area before surgery, becoming detectable later when they start pushing PSA levels back up. In fact, following any type of prostate cancer treatment, men routinely get PSA levels checked for the rest of their live...

Gel Made of Patients Own Platelets may Speed Up Wound Healing

... of the skin (such as cellular characteristics and microscopic signs of healing) at the treated wound sites looked similar to the skin at the control wounds. However, when the count of platelets in the gel was more than six times the count of platelets in the individuals blood vessels, new tissue appeared three ...

Scientists Develop Toothpaste That Rebuilds Tooth Enamel

... The liquid calcium rebuilds the tooth by plugging microscopic gaps in the enamel. The repair stops dental nerves from becoming exposed thereby preventing pain, reported online edition of Daily Mail. Dentist Graham Barnby, who tested the new product at his clinics in south England, said, "This is a unique prod...

Death from Exposure to WTC Dust Confirmed

...t two years after Sept. 11. Sarcoidosis produces microscopic lumps called granulomas on vital organs and is often associated with exposure to environmental hazards. Experts say that even brief exposure to dust could aggravate the pre-existing sarcoidosis, but not otherwise. 'Sarcoidosis in general is usual...

Scientist Observes real Time Generation of Neurones in Mammals

...pment of neural dendrites in vivo by using special microscopic imaging techniques, combined with virus gene technology. The dendrites are the string-like extensions of the neurone that spread out to reach other neurones, and serve as the points of communication between them. The model employed in the resea...

High Pretreatment PSA Velocity Predicts Worse Outcome

...oped various algorithms, using such factors as the microscopic features of the tumor (i.e., Gleason score), size, spread of the disease, and location of disease, to determine prognosis. However, recent trends suggest that these factors are not effective and that better indicators are needed. Calculating PSA velo...

Scientists Identify the Most Significant Single Predictor of Aggressive Prostate Cancer

...e with recent studies suggesting that factors like microscopic features of the tumour (Gleason score), and size, spread and location of the disease are not very effective to determine prognosis. Dr. Anthony DAmico of Bostons Brigham and Womens Hospital and colleagues characterised PSA velocity significant in p...

Optometrists Support AMO's Voluntary Contact Lens Solution Recall

...fection." According to the AOA, Acanthamoeba are microscopic amoeba commonly found in the environment, which rarely cause infections. When infection does occur, however, it can be extremely serious and can threaten a person's vision. Recently, there have been reports of increasing incidences of Acanthamoeba ke...

Cell Genesys Reports Additional Data From Phase 2 Clinical Trial of GVAX Immunotherapy for Pancreatic Cancer

...ged to be at high risk for recurrent cancer due to microscopic evidence of residual pancreatic tumor following surgery and two patients had metastatic tumor in regional lymph nodes. In addition, the three patients with prolonged disease-free survival -- but not the five who progressed and died -- showed evidence...

Laser-based System for Non-invasive Diagnosis of Skin Cancers on the Anvil

...rget molecules like hemoglobin and melanin and get microscopic resolution images the equivalent of what a doctor would see if he or she were able to slice down to that particular point," said the researcher. The distributions of hemoglobin, a component of red blood cells, and melanin, a skin pigment, serve as ...

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