Tag: "ultrasound" at biology news

Brightening prospects of using fluorescent nanotubes in medical applications

...ely mix it with special soap and give it a dose of ultrasound to break apart clumps of nanotubes and force them to dissolve. The result is a dark liquid that is routinely put into an ultracentrifuge that subjects them to forces a few thousand times that of gravity. Centrifuging separates out a number of gross i...

3-D ultrasound scanner provides in-depth view of the brain

...ol of Engineering have adapted a three-dimensional ultrasound scanner that might guide minimally invasive brain ...r Stephen Smith, reported the development of a 3-D ultrasound device designed for imaging the heart and other internal organs during endoscopic surgeries performe...

Focused ultrasound relieves fibroid symptoms in women

A noninvasive ultrasound procedure effectively shrinks uterine fibroids and...rnal Radiology. Magnetic resonance-guided, focused ultrasound surgery (MRgFUS) allows radiologists to precisely target fibroids without harming healthy surroundin...

Students invent protective pouch to enhance cell therapy

...atex tubing to represent a vein, the students used ultrasound imaging to confirm that fluid can flow smoothly through the mesh and can spread the microcapsules throughout pouch. They also demonstrated that the device causes no pressure drop in the model blood vessels and that the microcapsules can easily be inj...

Study offers clues to 'Broken Heart Syndrome'

...ing information on patients who have intravascular ultrasound during cardiac catheterization. This imaging test, in which a tiny ultrasound probe is threaded into the coronary arteries on the tip of a catheter, may show whether the patient ...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...phy (VA) is a non-invasive imaging technique using ultrasound to search for lesions in breast tissue. Generally...e breasts often seen in young women. Conventional ultrasound can spot lesions but cannot measure tissue stiffness, a leading indicator of malignancy. By contras...

3-D ultrasound identifies women at risk for impending preterm birth

...vely identify women at risk for preterm birth, 3-D ultrasound was used to measure the size of fetal adrenal glan...n families and society. The authors found that the ultrasound measurements could identify a preterm risk of delivery within five days of the measurement. "Our ...

Ultrasound upgrade produces images that work like 3-D movies

Parents-to-be might soon don 3-D glasses in the ultrasound lab to see their developing fetuses in the womb "i... that first developed real-time, three-dimensional ultrasound imaging says it has now modified the commercial version of the scanner to produce an even more reali...

A revolution in the monitoring of unborn babies

...e have on our horizon.? Currently hospital based ultrasound is used to record babies?heart rates during pregnancy. While this technique has proven benefits, it needs to be administered by trained professionals and it is not suitable for routine, continuous, long-term monitoring. Dr Barrie Hayes-Gill and Dr Jo...

Cryoablation -- A new treatment option for some kidney tumor patients

...observe and guide the insertion by combined use of ultrasound and CT. The needle, or cryoprobe, is filled with argon gas, which results in rapid freezing of the tissue to temperatures of -100° C; and the tissue is then thawed by replacing the argon with helium. The procedure consists of two freezing and thawi...

Backache beaten by good vibrations?

...in the first ever study to discover if therapeutic ultrasound can help their condition. Dr Christopher McCarthy...heir pain and either eight sessions of therapeutic ultrasound (TU) or eight sessions of sham TU. They will also be assessed for pain, disability and general healt...

Elasticity imaging identifies cancers and reduces breast biopsies

A new ultrasound technique allows radiologists to accurately distin...screening with magnetic resonance imaging (MRI) or ultrasound may be more effective for high-risk patients or women with dense breast tissue. MRI and ultrasound d...

3-D ultrasound scanner could guide robotic surgeries

...sity engineers have shown that a three-dimensional ultrasound scanner they developed can successfully guide a su...dge, that anyone has used the information in a 3-D ultrasound scan to actually guide a robot," said Stephen Smith, professor of biomedical engineering at Duke's P...

Combined treatment extends life expectancy for lung cancer patients

..." says senior author Damian Dupuy, MD, director of ultrasound at Rhode Island Hospital and professor of diagnostic imaging at Brown Medical School, both in Providence, RI. "By combining thermal ablation and radiation, you have a better chance of survival than with either treatment alone." With radiation alon...

New GI technologies improve internal organ visualization

As visualization technologies like ultrasound continue to improve in quality and safety, researc...rchers to study the possible benefit of endoscopic ultrasound to visualize the heart and help guide interventions. This study by researchers at Homerton Unive...

Bubbles go high-tech to fight tumors

...tists hit them with high intensity ultrasound. The ultrasound acts like a pin popping a water balloon. After the shell pops, the perfluorocarbon expands into a gas bubble that is approximately 125 times larger in volume than the droplet. "If a bubble remained spherical its diameter would be much larger than t...

Ultrasound may help regrow teeth

...m human dental tissue. Using low-intensity pulsed ultrasound (LIPUS), Dr. Tarak El-Bialy from the Faculty of Me...te for Nanotechnology. The wireless design of the ultrasound transducer means the miniscule device will be able to fit comfortably inside a patient's mouth while...

Intensive statin therapy may partially reverse plaque build-up in arteries

...on of atherosclerosis as measured by intravascular ultrasound (IVUS), a technique in which a tiny ultrasound probe is inserted into the coronary arteries to measure plaque. The study showed that regression occ...

Rare Chinese frogs communicate by means of ultrasonic sound

...such as bats, whales and dolphins do this, and use ultrasound for their sonar system and communication. Frogs we...eardrums and the ear, enabling the transmission of ultrasound to the ears." To test if the frogs actually communicated with their ultrasonic sounds, Feng and col...

Researchers develop portable 'vein finder' for faster, more accurate injections

... an inexpensive, handheld device that uses Doppler ultrasound technology to find veins quickly. "Depth and ang...t used to determine the vehicle's speed. Doppler ultrasound is similar, except that acoustical waves are transmitted. Compared to static skin and tissue, blood ...

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