shuttle

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shut·tle

(shŭt'ĕl),
A going back and forth regularly; used in respect to certain transport processes across a biomembrane.

shuttle

Space medicine
Any of the five—Columbia, Challenger, Discovery, Atlantis and Endeavour—reusable spacecraft that carried personnel and equipment into orbit, providing platform of the cutting-edge research critical in constructing the largest structure in space, the International Space Station. The first mission was launched in April 1981; the last space shuttle mission, STS-135, ended in July 2011.

shuttle

(shŭt′l)
To transport an object back and forth; in cell biology or biochemistry, to carry a molecule repeatedly across a cell membrane.

shuttle

the transport of electrons or organic groups across biological membranes.

shuttle system
means of transfer of reducing equivalents as NADH and H+ from the cytosol to mitochondria. The two main systems are: α-glycerophosphate shuttle and malate-aspartate shuttle.
References in periodicals archive ?
The beauty of the Forest Shuttle system is that it consists of just one slim belted track with a choice of 3 interchangeable motors for light, medium and really heavy loads.
My wife and I visited Zion in September and used the shuttle system to travel around the park.
SP600 Batch Printer with Shuttle System has a print table motorized in 4 axes (x, y, c and theta), permitting automatic alignment of substrate to stencil.
While a shuttle system installed in 2000 has removed cars from the canyon--and an ensuing uptick in wildlife sightings by visitors demonstrates the shuttle's relative unobtrusiveness--Beschta thinks the park needs to make more changes to prevent further ecological damage.
A shuttle system of nine flatbed trucks was used to move the equipment that had sustained the most damage.
5 second tool-to-tool changes, 1890-ipm rapid traverses, and a 2-pallet, rotary shuttle system with a quick 7.
Since the resident parking will be located farther from the dorms, the university expects to spend $600,000 a year for an expanded shuttle system to move students to and from their cars, dorms, and classes.
He said: "The nearest water supply was a couple of miles away down a forest track so we had to set up a shuttle system of engines and the firefighters had to use beaters to tackle the blaze.
For events scheduled in the mountains, spectators will drive to park-and-ride lots located within eight kilometers (five miles) of the venues, and a transit shuttle system will transport them to competition sites.
The center itself makes Park City's free shuttle system a bit more user-friendly for visitors who'd rather not drive the town's icy roads.
The rocket boosters were considered to be among the more reliable components of the space shuttle system.
The combined technologies of Dharmacon and amaxa enable us to broaden the application of siRNA so that it can be introduced into difficult cell lines, and with the 96-well Shuttle system researchers can also accomplish this in high throughput," said William S.

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