Tag: "tiny" at medical news

T-ray breakthrough could make detecting disease far easier

...e would not guide T-rays very well, if a series of tiny grooves was cut into the wire, it would do so much...hat would allow unprecedented accuracy in studying tiny objects and sensing chemicals using T-rays" said Dr Stefan Maier, of the University of Bath's Depart...

Chemists make tiny molecular rings with big potential

...iversity chemists have devised a new way to create tiny molecular rings that could one day function as drug delivery devices or antibiotics. The rings are made from polymers -- large molecules that are made up of many smaller molecules -- and the chemical reaction that creates them is similar to others ...

Bone research that grows on you

...dical engineering student Wayne Shaw has developed tiny biodegradable spheres made from polymers that can be loaded with calcium phosphate compounds known bone growth facilitators and placed on bone defects. "As the microspheres degrade the calcium phosphate compounds are absorbed and encourage the bo...

New biomedical device uses nanotechnology to monitor hip implant healing, may reduce wait times

...g the bone healing process 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 Mech...

Asthma linked to soot from diesel trucks in Bronx

... all of the children the daily average exposure to tiny particulate matter smaller than 2.5 microns (PM2.5...y days. Only about 10 percent of the total mass of tiny particles was diesel soot, but it was this portion that was most closely related to children's adver...

Mayo Clinic study could lead to safer pesticides

...lish grain aphid (Sitobion avenae). Although these tiny green insects are 1/16th of an inch long, they are heavyweights in the farm industry. In 2005, the Department of Agriculture reported that $100 million in crops were lost in six states to these pests. In a new study in the October issue of Bioorgan...

German researchers develop first non-invasive test to measure skin aging

...factor. The team was also able to obtain images of tiny swaths -- one-fifth of a millimeter wide -- of the proteins' fibrous matrices, showing the physical appearance of the dermis, the white lower-layer of skin that gets exposed in deep abrasions. Large variations appeared from patient to patient, and ...

Optics tests for early Alzheimer's diagnosis make significant advances

...t enters the lens and ricochets or "scatters" from tiny particles too small for the eye to see. The "quasi-elastic" light scattering test can detect small clumps of beta-amyloid particles in the lens. The beta-amyloid proteins collect as aggregates in the lens as small as tens to hundreds of nanometers in...

University of Virginia health system wins $5.5 million grant to help detect atherosclerosis

...lerosis are currently being tested in animals. The tiny contrast agents are smaller than a typical blood cell and look like miniscule bubbles, seen only under a microscope, with octopus-like arms that help them stick to the artery lining. They are modeled on the body's own leukocytes, white blood cells th...

Spinal cord stimulators tested as treatment for patients with migraine headaches

...cord to treat chronic pain by precisely delivering tiny electrical signals to the spinal cord that mask the perception of pain. Spinal cord stimulation is prescribed for patients with chronic pain in the limbs, trunk and back. Migraine sufferers are monitored and complete a month-long pain diary as the ...

Cardiologist's 'living chip' changes science of disease monitoring

...ed until much later. But what if in the future a tiny device, one the size of a nickel or significantly smaller, could be implanted in the patient to monitor and detect abnormalities, and could then relay data to physicians, or provide therapy on the spot, in real time? It may sound like science ficti...

New treatments for epilepsy may benefit patients at University of Virginia

...ricans of all ages have epilepsy. Think of it as a tiny electrical storm in the brain. Many people suffer from seizures affecting their quality of life or have side effects from epilepsy medications. However, patients with some types of the disease don't respond to surgery or may be at high risk for compl...

Electric jolt triggers release of biomolecules, nanoparticles

...y to release biomolecules and nanoparticles from a tiny gold launch pad. The technique could someday be used to dispense small amounts of medicine on command from a chip implanted in the body. The method also may be useful in chemical reactions that require the controlled release of extremely small quanti...

Mayo researchers discover HIV dependence on a human protein

...ent archive of the virus's genetic program, like a tiny file burned onto a computer hard drive. While patients are kept healthy when those copies are "suppressed" with multiple daily antiviral medicines, they are never cured. Stopping the medicines even briefly lets HIV repopulate the body with many milli...

Study uncovers mechanism of drug resistance in form of lung cancer

...monstrates that even a minute mutation, present in tiny quantities, is sufficient to cause drug resistance in some cancers. The findings will be published in the journal's October print edition. "The implication of our study is that perhaps many more patients than previously thought have this as their m...

New cell-based targets for treating autoimmune inflammatory diseases

...arked by a crescent formation in the glomerulus a tiny ball comprised of capillary blood vessels integral...s are related to BLOC-1, which controls lysosomes, tiny organelles that contain digestive enzymes critical to maintaining healthy cell function. ...

Sister, can you spare a million?

... cells lining coronary arteries and another in the tiny vessels branching within the heart itself combine to deprive the heart muscle of oxygen. These functional rather than structural abnormalities, while not seen on coronary angiography, result in abnormal resistance that limits blood flow to the heart...

Polymers show promise for lab-on-a-chip technology

...oscale researchers is to create a lab-on-a-chip a tiny system that could be used, for example, to analyze blood samples and biopsies much faster, cheaper and more comprehensively than current methods. In the past, most microscale research and development funds have targeted silicon, the fundamental mate...

New device may improve vision and mobility for people with tunnel vision

...cience -- shows that this device, which combines a tiny camera, pocket-sized computer and transparent comp...is like searching for a key in a dark room using a tiny flashlight. Luo is a senior research associate at Schepens Eye Research Institute and an instructor ...

Nanowire arrays can detect signals along individual neurons

...nd inter-neuron communication. By contrast, the tiny nanowire transistors developed by Lieber and colleagues gently touch a neuronal projection to form a hybrid synapse, making them noninvasive, and are thousands of times smaller than the electronics now used to measure brain activity. Lieber's group...

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