Genetic disease offers clues to SIDS, sleep apnea
Imagine raising a child who stops breathing when falling asleep – and has to be reminded to visit the bathroom after drinking a Big Gulp. That’s the dilemma faced by parents of children born with congenital central hypoventilation syndrome (CCHS). Afflicting about 250 children in the United States, the genetic disease wreaks havoc in areas of the brain that control involuntary actions such as breathing, fluid regulation and heart function.
Now an MRI study by UCLA scientists reveals that these children’s brains display stroke-like damage in regions that regulate the cardiovascular system, body temperature and urination. Published July 11 in the Journal of Comparative Neurology, the research holds important clues for unraveling the mysteries of sudden infant death syndrome (SIDS), sleep apnea and numerous other conditions.
Elaine Schmidt | EurekAlert!
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DNA molecules that follow specific instructions could offer more precise molecular control of synthetic chemical systems, a discovery that opens the door for engineers to create molecular machines with new and complex behaviors.
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MPQ scientists achieve long storage times for photonic quantum bits which break the lower bound for direct teleportation in a global quantum network.
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Tiny pores at a cell's entryway act as miniature bouncers, letting in some electrically charged atoms--ions--but blocking others. Operating as exquisitely sensitive filters, these "ion channels" play a critical role in biological functions such as muscle contraction and the firing of brain cells.
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The miniaturization of the current technology of storage media is hindered by fundamental limits of quantum mechanics. A new approach consists in using so-called spin-crossover molecules as the smallest possible storage unit. Similar to normal hard drives, these special molecules can save information via their magnetic state. A research team from Kiel University has now managed to successfully place a new class of spin-crossover molecules onto a surface and to improve the molecule’s storage capacity. The storage density of conventional hard drives could therefore theoretically be increased by more than one hundred fold. The study has been published in the scientific journal Nano Letters.
Over the past few years, the building blocks of storage media have gotten ever smaller. But further miniaturization of the current technology is hindered by...
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