منابع مشابه
Sticking Points
Nowadays a blood test usually requires a doctor’s visit, a needle poke in the arm, and a day-long wait for results to come back from a lab. So when Silicon Valley start-up Theranos promised a device that could perform more than a hundred of the most commonly ordered blood tests from just a fingerstick, doctors, patients, and investors were quick to get behind the company. Valued at $9 billion i...
متن کاملSticking together.
R signals at the neuromuscular junction and at synapses between neurons are carried by small molecules, called neurotransmitters, that are released from the presynaptic terminal and bind to ligand-gated ion channels in the postsynaptic membrane. When transmitter binds, a small pore opens through which ions flow, resulting in a transient depolarization or hyperpolarization of the membrane and tr...
متن کاملSticking in there
The ecological significance of the Lord Howe Island Group, an imposing and beautiful cluster of volcanic islands about 500 kilometres off the coast of New South Wales, is undisputed. First discovered by Europeans in the early nineteenth century, the islands have been actively studied by naturalists ever since and there is therefore a great deal of historical information about the flora and faun...
متن کاملSticking to PIP2
Tucker, and Edwin Chapman (University of Wisconsin, Madison, WI) find that PIP 2 is a plasma membrane dock for synaptotagmin-1 (syt), a transmembrane protein localized in secretory vesicle membranes, when calcium is absent. This dock may ensure speedy and directed fusion in response to calcium influx. The syt dock has two calcium-binding domains in its cytoplasmic region, called C 2 A and C 2 B...
متن کاملSmart Photo Sticking
Smart photo sticking is a novel strategy to automatically arrange a collection of photos in a pleasant collage. The proposed approach improves previous solutions both considering a self-adaptive image cropping algorithm, exploiting visual and semantic information, and introducing an optimization process based on a genetic algorithm. Preliminary results confirm the effectiveness of the proposed ...
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ژورنال
عنوان ژورنال: Nature Reviews Microbiology
سال: 2007
ISSN: 1740-1526,1740-1534
DOI: 10.1038/nrmicro1785