Sentences with phrase «of microbubble»

«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.

«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.»

Not exact matches

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.

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.

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.

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.

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.

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

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

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.

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.

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.

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.

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.

One hose at the bottom of the tub pulls water into the machine, where it is charged and bubbled, and another hose delivers microbubbles to the pet.

However, more recent research modelling the impacts of using microbubbles to address global warming found that the technique would not affect ocean primary productivity, a measure of the activity of primary producers.

In theory, this would involve using a fleet of sea vessels to churn up millions of tiny microbubbles on the ocean surface.

On top of this, creating enough microbubbles at the ocean's surface to have an overall cooling effect on the planet could require large amounts of energy, according to research co-authored by Evans.

(Brennen, 1995) In gas - free water, the pressure due to interfacial curvature rapidly drives micron - sized bubbles into solution, but in air - saturated water (22 mg l - 1 at STP), but in the presence of film - forming impurities, either present naturally or intentionally added, microbubbles may last for tens to hundreds of seconds.

31), including pressure - driven continuous gas - phase flow through dry or water - saturated fractures and density - driven buoyancy of gas microbubbles in aquifers and water - filled fractures (31).