Sentences with phrase «rat hearts»
The phrase "rat hearts" refers to the hearts of rats, which are small mammals. It could symbolize the idea of studying or examining these organs for scientific or medical purposes. Full definition
To mimic the energy starvation of heart muscle during a heart attack, the researchers created a «heart attack in a dish» by covering a thin layer of rat heart cells with glass to cut off the supply of oxygen and nutrients.
sciencedaily.com
Researchers report in tomorrow's issue of Science that they've created thin films that are hybrids of rat heart muscle cells grown on a prepatterned plastic support.
Now father's and daughter's obsessions have combined in an unlikely creation: a nickel - sized artificial stingray whose swimming is guided by light and powered by rat heart muscle cells.
These CMs form myofibril - aligned, multi-layered and 3D - organized Cardiac Tissue - Like Constructs (CTLCs), which show robust drug response and may be readily used for repair of injured rat hearts with myocardial infarctions.
When used to repair injured rat hearts, the CTLCs showed excellent operability leading to favorable heart function recovery.
(Cardiomyocytes derived from human embryonic stem cells in pro-survival factors enhance function of infarcted rat hearts Nature Biotechnology)
Plus: spying on employees, avoiding car wrecks, artificially grown rat hearts, send in the clones and more...
Microscopic image of a piece of rat heart tissue in which the proteins involved in contraction are stained in white, the cell membranes in yellow and nuclei in blue.
They then printed a patterned layer of a protein called fibronectin to which rat heart cells then attached.
An artificial jellyfish that propels itself using rat heart muscle could aid cardiac drug discovery
Researchers at the University of Minnesota first used this technique in 2008 to build a disembodied rat heart that was able to pump blood while hooked up to a machine.
Part of the issue was settled when Cecilia Riquelme, a postdoc in Leinwand's lab, drew blood from recently fed pythons and applied it to a dish of living rat heart cells.
Since that landmark trial, Rubinsky and researchers at the Sheba Medical Center in Tel Hashomer, Israel, have applied similar freezing techniques to frozen rat hearts.
A fix for broken rat hearts Scientists this week successfully implanted human embryonic stem cells into rats that suffered heart attacks, coming a heartbeat closer to realizing the full potential of such therapy.
These cells contract and expand — just as they would inside an actual rat heart to make it beat — causing the underlying hydrogel to shrink and stretch too.
In one series, excised rat heart muscle tissue was mounted onto a device that directly measured the force of contraction at the same time as intracellular calcium concentration.
To test this, the team flushed rat hearts with trehalose solution before packing them in silica gel to remove the water from their cells.
After cultured rat heart cells were infected with the Coxsackie B virus, the amount of normal dystrophin declined within 3 days.
Starvation and Diabetes Reduce the Amount of Pyruvate Dehydrogenase Phosphatase in Rat Heart and Kidney
Cardiomyocytes derived from human embryonic stem cells in pro-survival factors enhance function of infarcted rat heart.
Now a duo of Johns Hopkins researchers working with rat heart cells have shown that such post-heart attack arrhythmias are likely triggered by something akin to a power grid failure inside the injured cardiac cells.
Rat heart cells growing on a thin plastic sheet create devices that can grip, walk, and even swim.
«We found both the spatial arrangement of the rat heart cells and the electrical stimulation frequency affect propulsion,» says Parker.
Fahy says the technique had some success on rat livers and rat hearts.
She and her team created it by dissolving all the cellular material in a rat heart, leaving behind only the extracellular matrix, a heart - shaped protein scaffolding.
Such cells usually die when injected into damaged hearts, but researchers from Geron Corp. were able to make the rat hearts survive and pump away, getting the blood flowing again.
Formation of Human Myocardium in the Rat Heart from Human Embryonic Stem Cells.
Alternate - day fasting protects the rat heart against age - induced inflammation and fibrosis by inhibiting oxidative damage and NF - kB activation.
ZAPPP!!!! the rats heart stops instantly, but still has enough muscle life to run away before it has chance to leave any scent.