Sentences with phrase «pacemaker cells in»
The study, which was published in the British Journal of Pharmacology, investigated the fallopian tubes of mice and discovered that caffeine stops the actions of specialized pacemaker cells in the wall of the tubes.
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Longino argues that the commonsense value of «simplicity» in scientific reasoning sometimes stands for a preference for — or an ability only to imagine — linear hierarchical theories, such as the theory that slime mold aggregates because of special pacemaker cells that rule the other cells in the mold.
A heart - on - a-chip being developed in the lab of Gordana Vunjak - Novakovic, professor of biomedical engineering at Columbia University, incorporates electrodes that act like mini pacemakers to «shock» the cells into beating, just as they would in a real heart.
Almost all of the cells in our body contain a circadian clock and are mainly controlled by a central circadian pacemaker, located in the hypothalamus of the brain.
In the new research, when a spheroid of induced pacemaker cells was surrounded by a layer of cardiac muscle cells, the IPM cells were able to drive the previously quiescent nearby cells at around 145 beats per minute.
Cho and colleagues from Cedars - Sinai recently published a paper in Stem Cell Reports describing how the gene SHOX2 can nudge embryonic stem cells into becoming cardiac pacemaker cells.
Most well - maintained pacemakers and defibrillators are unaffected by cell phone usage, although during adjustments in a physician's office or hospital, it's routine to have cellphones off.
The electrical impulse begins in a region of specialized «pacemaker» cells within the right atrium known as the sinus node (aka sinoatrial or SA node).
But the findings of the Swiss research team, recently published in the journal Annals of Biomedical Engineering, suggest that it is indeed possible to power pacemakers and other low - power medical implants with solar energy, and could be done with cells measuring as small as 3.6 square centimeters.
According to the research results, the small monocrystalline solar cells (22 % efficiency) used in the study were able to generate «much more» than the typical 5 to 10 microwatts that typical cardiac pacemakers use, as even the lowest power output measured by the devices was an average of 12 microwatts.
As solar cells only generate electricity when exposed to sunlight, a battery (or «accumulator» as the research paper calls it) would still be required for round - the - clock operation of a medical implant, but because regular charging would happen via ambient sunlight, the battery for a solar - powered pacemaker could be much smaller than current options, which also means that the pacemaker itself could be much smaller in size.
In the near future, catching some sun might do more than get you a tan and some vitamin D. Researchers at the University of Bern in Switzerland have shown that solar cells placed under the skin can generate enough energy year - round to power a typical pacemakeIn the near future, catching some sun might do more than get you a tan and some vitamin D. Researchers at the University of Bern in Switzerland have shown that solar cells placed under the skin can generate enough energy year - round to power a typical pacemakein Switzerland have shown that solar cells placed under the skin can generate enough energy year - round to power a typical pacemaker.