Sentences with phrase «x-ray-visible microbubbles»

For example, superparamagnetic particles and chemotherapeutics drugs can be incorporated in the polymeric shelled microbubbles.

Companies kill deadly bacteria and strip out heavy metals in water using new technologies that range from ultraviolet (UV) light to microbubbles

Echography with microbubbles uses the fact that the bubbles will vibrate in the blood at the same frequency as the sound produced by the echoscanner, as well as at twice that frequency; the so - called second harmonic.

McDannold and his colleagues have been working for years on using focused ultrasound and microbubbles to disrupt the blood - brain barrier and deliver drugs to the brain.

«Blasting dental plaque with microbubbles.»

Serving as the acoustic indicator of drug delivery dosage, the microbubble emission signal y (t) is used to find the expected controller output u (f) which is fed back to help control ultrasound transducer transmission.

The shipping industry is already experimenting with microbubbles, applied to the underside of ship hulls, to reduce friction and improve fuel efficiency.

If this type of therapy proves safe in humans, a syringe full of oxygen microbubbles could help avert brain damage and death for the victims of cardiac arrest, asthma attacks, strokes, and injuries to the lungs, airway, or face.

Microbubbles can help temporarily open the blood - brain barrier without incision or radiation, but if these bubbles destabilize and collapse, they can damage the critical vasculature in the brain.

By placing sensors on the outside of the brain that act like secondary microphones, the research team could listen to ultrasound echoes bouncing off the microbubbles to determine how stable the bubbles were.

In addition, the microbubbles and the ultrasound used in the experiments are very similar to those routinely used for diagnostics in humans.

Just 1 / 100th the size of a human hair, microbubbles sneak into very small canals within the complex clot and their oscillation from ultrasound causes a breakup of the clot from the inside as well.

The treatment consists of injected microbubbles which are detected by diagnostic ultrasound when they reach the heart.

This was followed by ultrasound / microbubbles alone, which was the next best treatment compared with low or high dose tPA alone.

The clinical trial differs from the pig trial in that it is testing whether ultrasound / microbubbles alone administered to heart attack patients both before and after balloon angioplasty and stenting results in better patient outcomes compared with balloon angioplasty and stenting alone.

Porter points out that tPA was not included in the clinical trial because a good result was seen with ultrasound / microbubbles alone in the pig study.

Recanalization rates improved from 36 % for half dose tPA alone to 83 % with the addition of ultrasound / microbubbles.

The ultrasound penetrates through the chest tissue to hit and activate the intravenously infused microbubbles at the site of the blockage.

The clinical trial will help to determine if the early microbubble intervention results in overall better outcomes for patients.

This is compared with 50 % recanalization for ultrasound / microbubbles alone or full - dose tPA alone.

Over all, the combination of ultrasound / microbubbles and a low dose of tPA resulted in the most significant preservation of healthy heart tissue and the smallest infarct size.

«The combination of microbubbles chipping away outside and inside the clot is like poking holes in the clot and turning it into Swiss cheese allowing blood to reach the heart muscle,» says Porter.

An ultrasound - stimulated microbubble burrows through a fibrin clot (green) allowing penetration of the surrounding fluid into the clot (yellow).

(b) An optical image showing a mid-L4 stage C. elegans trapped by multiple oscillating microbubbles.

By binding to the protein SFRP2, the microbubble contrast agent greatly improves the resolution and tumor - detecting ability of scans produced by ultrasound.

Magnets, which can draw and attract the microbubbles, are already in use in diagnostic machines such the Magnetic Resonance Imaging (MRI).

The careful choice of the pig model as well as use of readily available microbubbles and ultrasound was instrumental in studies moving to clinical trials.

«Using the theory of microbubbles and how their surface vibrates under ultrasound, we were able to come up with our solution that addresses these three challenges.»

Ultrasound is then used to vibrate the microbubbles, providing the energy to direct the drug particles into a targeted area.

NTU's microbubbles were successfully tested in mice and the study has been published by the Nature Publishing Group in Asia Materials, the top journal for materials sciences in the Asia - Pacific region.

The acoustic waves actuate air microbubbles trapped within sidewall microcavities.

Using a pre-clinical model, the researchers delivered the microbubble contrast agent via intravenous injection and tracked it using ultrasound.

At left, a control without the targeted microbubbles.

Proposals include floating grains or microbubbles that would reduce the absorption of the Sun's rays.

Transient permeabilization of cell membranes by ultrasound - exposed microbubbles is related to formation of hydrogen peroxide.

Ultrasound and microbubble - induced intra-and intercellular bioeffects in primary endothelial cells.

Low - intensity ultrasound - exposed microbubbles provoke local hyperpolarization of the cell membrane via activation of BKCa channels.

Injecting breast cancer with oxygen - filled microbubbles makes tumors three - times more sensitive to radiation therapy and improves survival in animal models of the disease.

Increased local delivery of antagomir therapeutics to the rodent myocardium using ultrasound and microbubbles.

Akadeum's groundbreaking microbubble technology — which allows for fast, easy removal of target cells from biological...

I had been interviewed for a BBC documentary on my work to use microbubbles to improve cancer treatment, and that's when I got a call from my collaborator Ray Averre of Avrox Technologies to ask if it would be possible to make a sports drink using tiny bubbles of oxygen.

Ann Arbor - based biotech company, Akadeum Life Sciences, has demonstrated its groundbreaking microbubble technology in...

Danielle Benoit (right), associate professor of biomedical engineering, and Lisa A. DeLouise, associate professor of dermatology, use «microbubbles» to regenerate salivary gland cells.

Lapotko D, Lukianova E, Оraevsky A. Selective laser nano - thermolysis of human leukemia cells with microbubbles generated around clusters of gold nanoparticles.

You can send it to us via our Facebook page or through the contact form... Continue reading Research Roundup: First cloned monkeys born this week, using microbubbles and ultrasound to cure diseases and more!

There are two ultrasound techniques that can help identify vulnerable plaques, but both depend on the use of contrast agents called «microbubbles.»

When microbubbles are injected into an artery, they follow the flow of the blood.

Doggy spas have evolved beyond the typical microbubbles and mud spas, and now include hot springs and oxygen - capsule treatments.

Thereafter, Fido is pampered with a warm, soothing massage using an antioxidant - rich mud and a CO2 microbubble bath that deep - cleanses skin to remove dead skin cells, excess sebum and bacteria.

Petopia's microbubble baths are unique to the region.