Tag: "tiny" at medical news

Moores UCSD Cancer Center launches human trial for prostate cancer vaccine

... to what we received. And because the cell, like a tiny manufacturing plant within the body, generates elements of the vaccine, these are supplied continuously for some time."...

Blood test could detect heart attack early

..., says Stanton. The technology, which can identify tiny blood proteins by their unique electrochemical fingerprint, is generally only available in research settings. That may change in the near future, as the technology becomes more affordable and more practical for use in clinical settings, such as emerg...

Myosin molecule walks like a person, experiment shows

...e Science Express Web site, on June 5. Myosin is a tiny molecular motor that converts chemical energy into mechanical motion. While there are more than a dozen types of myosin (including myosin II the main protein responsible for muscle contractions), Selvin and his collaborators studied myosin V. "This...

UT Southwestern researchers, Nobel Prize winners share 2003 Albany Medical Center Prize

...ity lipoprotein receptors on the surface of cells, tiny but complex molecules that recognize, bind to and admit LDL cholesterol into cells. A deficiency in LDL receptors leads to a buildup of LDL in blood, causing heart attacks at a young age. Their groundbreaking research led to effective new drugs to tr...

Minimally invasive esophagectomy results in improved survival and shorter hospital stays

...through very small incisions and a laparoscope, or tiny camera. Patients who are candidates for MIE undergo extensive preoperative evaluation involving laparoscopic staging, endoscopic ultrasound and CT scans to assess the extent of the disease. "Our study demonstrates that minimally invasive esophagecto...

Rice uses buckyballs to reinvent 'antibiotic of last resort'

... variant of vancomycin that contains buckyballs -- tiny cage-shaped molecules of pure carbon -- could become the world's first targeted antibiotic, creating a new line of defense against bioweapons like anthrax. Vancomycin, which entered clinical service 40 years ago, is the antibiotic of last resort, giv...

Emory scientists present alternative for surgical biventricular resynchronization

...ecause it allows us to overcome that problem using tiny incisions." He explains that one incision only 1/2 inch long and two to three pencil-sized holes are made in the chest wall under anesthesia. Then a special camera and small grasping tool are inserted to allow visualization and connection of the lea...

New biological sensors for detecting blood glucose developed by Hebrew University, U.S. Scientists

... of this type are likely to serve in the future as tiny devices not only to sense glucose levels for diabetic patients, but also as implanted biofuel cells that would enable production of electrical energy from blood sugar to operate heart pacemakers, insulin pumps or prosthetic components....

Contact lenses that dispense prescription drugs

...e been able to make soft contact lenses containing tiny embedded particles that slowly release drugs direc...ound a way to encapsulate a drug in nanoparticles tiny particles much smaller than the eye can see which can then be mixed into the contact lens matrix du...

Aircraft technology helps diagnose artificial hip, knee problems

... the ball, socket and bone rub against each other, tiny debris is produced and settles between the bone an...es a process called bio-ferrography to capture the tiny particles of polyethylene, metal, bone and cement using a very strong magnet. Since most of the wea...

New method of delivering chemotherapy using ultrasound works in BYU lab

...combines two, key innovations: packaging a drug in tiny molecules of water-soluble plastic so that the dru...ed collection of molecules that spontaneously form tiny plastic spheres when introduced into water. In previous work, Pitt and Rapoport found that an anti-c...

Rush begins use of magnetic guided navigation system

...magnetic navigation technology to accurately place tiny electrodes, stimulators or recording devices into the brain to modify the brain's electrical signals in order to modify behavior, alter the natural history of certain diseases or to deliver therapeutic agents to specific areas of the brain. Currentl...

New first-aid method could prevent brain damage in patients exposed to carbon monoxide

...en fires When carbon monoxide is inhaled--even in tiny concentrations--it combines with the hemoglobin in the red blood cells to prevent the delivery of oxygen to the body This results in few symptoms until the poisoning is advanced Those suffering from carbon monoxide poisoning may initially complain ...

Tissue-engineered cells transmit electrical signals in animal hearts

... an electrical signal that begins in the atrium, a tiny area of the heart's upper-right chamber. The signal then moves to the other chambers. Damage to the electrical pathway between the atrium and ventricles (the lower chambers) can result in complete heart block, a potentially fatal condition that can...

Engineering researchers are designing the ultimate fabrics, for casual or military wear

...here are visual sensors that can project images to tiny displays clipped to eye glasses. An e-textile shirt for a blind user might include tiny vibrating motors that would provide cues about approaching objects. In addition to weaving fabrics ...

New technique lets doctors examine milk ducts for breast problems

... is caused by benign changes such as the growth of tiny polyps, known as papillomas, in the ducts. Doctors traditionally treat the condition by surgically removing the ductal system that is releasing the fluid, but it often is difficult to locate the abnormal tissue within the breast. For example, ductog...

Story tips from DOE's Oak Ridge National Laboratory Nov 2002

...ael Smith] HEALTH Organ lifesaver . . . Using a tiny wireless sensor developed at ORNL, doctors will know in minutes instead of hours if an organ is getting adequate blood flow after transplant or reconstructive surgery. Conventional methods for assessing circulation involve invasive procedures or time...

'Control valve' within heart cells could protect body during heart attacks

... to continuously pump is provided by mitochondria, tiny powerhouses packed inside the cell that produce AT...o record the electrical activity of the channel in tiny patches of mitochondrial membrane. When the scorpion-derived poison charybdotoxin, a potassium chan...

Swallowing a tiny imaging capsule aids in diagnosis of obscure gastrointestinal bleeding

...wireless capsule endoscopy, the patient swallows a tiny imaging capsule that incorporates a light source, video camera, battery, antenna, and radio transmitter. Images of the intestinal tract are transmitted twice each second by radio frequency to an array of sensors worn around the patient's abdomen and...

A quick-change artist: Tiny protein folds faster than any other

...or protein folding apparently goes to an unusually tiny specimen that traces its origins to Gila monster s...ger proteins. Roitberg's team's simulation of tiny Trp-cage required 16 computers and three weeks of computing time another indication of the protein'...

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