Tag: "miniature" at medical news

Chemical Society's Highest Award Goes To Ronald Breslow

...t laboriously use molds and othermicroorganisms as miniature factories, and then harvest the corticosteroids. "Our molecule mimics the function, but not the structure, of enzymeproteins," said Breslow. Where proteins are difficult to make and sensitive toheat or other reactions, the chemist's "artifici...

Montana Anti-Cancer Discovery Sublicensed To Major Drug Manufacturer

... sampled yewtrees around the world for more of the miniature taxol factories. MSU alsoapplied for a patent on the technology, which was awarded initially in 1994 andexpanded last year. In addition, Cytoclonal Pharmaceutics licensed a gene from WashingtonState University that controls taxol production ...

Magnetic Hearing Aid Could Open New "Window" For Hearing Impaired

...del. The unique device would capture sounds with a miniature microphone implanted inthe ear. After passing through a small processing unit and an electromagneticcoil, both also implanted, amplified vibrations would be sent to the inner earvia a tiny magnet attached to the inner ear's round window, a thin memb...

Microwaves May Provide Early Detection Of Breast Cancer

...r will be a small flat panel containingan array of miniature antennas placed on the surface of the breast. "We canfocus the microwave signal within the breast, and the entire breast can beelectronically scanned under software control to create a three-dimensionalmicrowave image," Bridges said. A laboratory pr...

Now Is Time To Design Brain-Saving Drugs Specifically For Children, UCSF Neurologist Says

...idence that a youngchild's nervous system is not a miniature version of an adult's. From beforebirth throughout the first decade of life, the brain continues to develop andchange, as some neurons grow and make connections and others are pared away.When children's brains are damaged by a disease or an acciden...

Far Few Drugs Are Tested On Children

...recommendedadult dose. But children are not simply miniature adults-they react to chemicalsquite differently. For a start, the way the kidney excretes substances changesin the first few years after birth, with different mechanisms maturing atdifferent times. Because of this, the proportion of a drug that stays...

Using spatial illusion to learn how the brain processes sound

...s played the samesounds for anesthesized cats with miniature probes surgically implanted in theirauditory cortex. Created at the U-M Center for Neural Communication Technology,these neural probes are the size of a grain of pepper and sensitive enough torecord signals from a single nerve cell. Using the micro...

Heart disease begins at a young age

...ies of recently-transplanted hearts. By placing a miniature ultrasound device on a tube and guiding it to the heart via an artery in the transplant patient's leg, the researchers were able to use sound waves to image the heart arteries. The study examined the heart arteries of 181 heart transplant recipients ...

Self-assembled nano-capsules resemble bacterial cell walls

...the body. The nano-capsules also could be used as miniature templates in novel, inorganic nanofabrication techniques. While the structures have no real analog in nature, this type of spontaneous organization is reminiscent of multi-layered bacterial cell walls, Wong said. The protein-membrane interactions in...

License agreement signed to commercialize intelligent hearing aid

...ligent hearing aid prototype consists of a pair of miniature microphones, a processor, an amplifier and two earpieces. At the heart of the system is what is called a Binaurally based Intelligent Auditory Processor, which filters the sounds and transmits only the desired voice to the amplifier. The processor ...

Science, engineering and technology newstips

...ing chips that can perform chemical reactions on a miniature scale. Tien's laboratory has developed a miniature motor that can be built on a chip and used to move a mirror less than 1/100 of an inch, or 1/5 of a ...

Ultrasonic microprobe may rapidly detect, identify cancer

...cer, without the need of a scalpel. By inserting a miniature probe into a tumor and using pulses of sound waves...of the project coming together. They have created miniature probes that work at up to 70 MHz, they have devised functional image-formation techniques, and they ...

Contrast agents enhance optical coherence tomography

...gents, Boppart and his students are also designing miniature probes and a more compact OCT device. Their goal is to assemble a portable unit that could be placed on a cart and wheeled into a hospital for use on patients....

New technology tested at Stanford offers unique view inside small intestines

...the Stanford School of Medicine, recently used the miniature camera on his second medical center patient. The first two patients are part of a multi-center clinical trial of the device-called the M2A capsule-in people who need regular transfusions due to bleeding. In a separate trial, Stanford researchers wil...

New software helps design multi-task, jaw-like, surgical mini-tools

... of tiny stainless steel jaws that can function as miniature scissors, with blades the size of rice grains, at the end of a long insertion rod. The jaws can also function as graspers when the surgeon flips a switch on the instrument handle. Using other switches on the handle, the surgeon can also rotate the ...

Drill and suction procedure holds promise for clogged arteries

...the first channel fragments the blood clot while a miniature vacuum system in the second channel sucks up the clot pieces. Thrombectomy with the X-sizer before angioplasty and/or the placement of a stent improves blood flow in the large vessels of the heart, as well as circulation in the tiny microvessels, say...

Students invent voice-activated grasping tool for disabled man

...ice is hard-wired to a control box that contains a miniature computer and two programs that turn the voice commands into signals that tell the motors how to operate the bending and grasping motions. The unit is powered by a rechargeable 12-volt lead-acid battery commonly used for remote-control model boats and...

Futuristic system brings vision to blind

...000. Patients use special sunglasses fitted with a miniature television camera and a microcomputer and stimulator. The gear attaches by cable to a tiny fire hydrant-like device implanted in the back of the skull that connects to electrodes on the surface of the visual part of the brain. Patients don't have "no...

New advance in fuel cell technology may help power medical implants

...sign that must be considered in the development of miniature fuel cells. Instead, the new fuel cells exploit the fact that fluids do not mix under certain conditions. "We take advantage of how fuels flow in small channels," said Palmore, "in that they don't mix, which means we can keep fuels separated without ...

Household falls may produce more severe brain injuries in infants than previously thought

...tional motions and impacts. "Children are not just miniature adults," Margulies said. "Learning more about pediatric brain injuries will help us develop protective devices -- helmets, playground surfaces, car seats -- that better meet their specific needs."...

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